./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label45_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b91b7d1d-5727-47ca-9f36-148c7608ac96/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b91b7d1d-5727-47ca-9f36-148c7608ac96/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b91b7d1d-5727-47ca-9f36-148c7608ac96/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b91b7d1d-5727-47ca-9f36-148c7608ac96/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label45_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b91b7d1d-5727-47ca-9f36-148c7608ac96/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b91b7d1d-5727-47ca-9f36-148c7608ac96/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 b47e6efaac96dd68fdf2e956514ab24129d0709d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 17:27:27,059 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 17:27:27,060 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 17:27:27,066 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 17:27:27,066 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 17:27:27,066 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 17:27:27,067 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 17:27:27,068 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 17:27:27,068 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 17:27:27,069 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 17:27:27,069 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 17:27:27,069 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 17:27:27,070 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 17:27:27,070 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 17:27:27,071 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 17:27:27,071 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 17:27:27,071 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 17:27:27,072 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 17:27:27,073 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 17:27:27,074 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 17:27:27,074 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 17:27:27,075 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 17:27:27,076 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 17:27:27,076 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 17:27:27,076 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 17:27:27,077 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 17:27:27,077 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 17:27:27,078 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 17:27:27,078 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 17:27:27,079 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 17:27:27,079 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 17:27:27,079 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 17:27:27,079 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 17:27:27,079 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 17:27:27,080 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 17:27:27,080 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 17:27:27,080 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b91b7d1d-5727-47ca-9f36-148c7608ac96/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 17:27:27,087 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 17:27:27,087 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 17:27:27,088 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 17:27:27,088 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 17:27:27,088 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 17:27:27,088 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 17:27:27,088 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 17:27:27,088 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 17:27:27,088 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 17:27:27,089 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 17:27:27,089 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 17:27:27,089 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 17:27:27,089 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 17:27:27,089 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 17:27:27,089 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 17:27:27,089 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 17:27:27,089 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 17:27:27,090 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 17:27:27,090 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 17:27:27,090 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 17:27:27,090 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 17:27:27,090 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 17:27:27,090 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 17:27:27,090 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 17:27:27,090 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 17:27:27,090 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 17:27:27,090 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 17:27:27,090 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 17:27:27,091 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 17:27:27,091 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 17:27:27,091 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 17:27:27,091 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 17:27:27,091 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 17:27:27,091 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 17:27:27,091 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 17:27:27,091 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 17:27:27,091 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_b91b7d1d-5727-47ca-9f36-148c7608ac96/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 -> b47e6efaac96dd68fdf2e956514ab24129d0709d [2018-12-08 17:27:27,108 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 17:27:27,115 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 17:27:27,117 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 17:27:27,118 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 17:27:27,118 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 17:27:27,118 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b91b7d1d-5727-47ca-9f36-148c7608ac96/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label45_true-unreach-call.c [2018-12-08 17:27:27,154 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b91b7d1d-5727-47ca-9f36-148c7608ac96/bin-2019/utaipan/data/09c5c5b9f/a3d6f265b20a45b393446efa8c8e513d/FLAG1acf65d82 [2018-12-08 17:27:27,584 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 17:27:27,584 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b91b7d1d-5727-47ca-9f36-148c7608ac96/sv-benchmarks/c/eca-rers2012/Problem16_label45_true-unreach-call.c [2018-12-08 17:27:27,593 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b91b7d1d-5727-47ca-9f36-148c7608ac96/bin-2019/utaipan/data/09c5c5b9f/a3d6f265b20a45b393446efa8c8e513d/FLAG1acf65d82 [2018-12-08 17:27:27,902 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b91b7d1d-5727-47ca-9f36-148c7608ac96/bin-2019/utaipan/data/09c5c5b9f/a3d6f265b20a45b393446efa8c8e513d [2018-12-08 17:27:27,908 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 17:27:27,911 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 17:27:27,913 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 17:27:27,913 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 17:27:27,920 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 17:27:27,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:27:27" (1/1) ... [2018-12-08 17:27:27,926 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70b0ea2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:27, skipping insertion in model container [2018-12-08 17:27:27,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:27:27" (1/1) ... [2018-12-08 17:27:27,945 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 17:27:27,995 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 17:27:28,294 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:27:28,297 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 17:27:28,488 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:27:28,497 INFO L195 MainTranslator]: Completed translation [2018-12-08 17:27:28,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:28 WrapperNode [2018-12-08 17:27:28,498 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 17:27:28,498 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 17:27:28,498 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 17:27:28,498 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 17:27:28,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:28" (1/1) ... [2018-12-08 17:27:28,518 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:28" (1/1) ... [2018-12-08 17:27:28,523 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 17:27:28,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 17:27:28,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 17:27:28,523 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 17:27:28,530 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:28" (1/1) ... [2018-12-08 17:27:28,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:28" (1/1) ... [2018-12-08 17:27:28,534 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:28" (1/1) ... [2018-12-08 17:27:28,535 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:28" (1/1) ... [2018-12-08 17:27:28,558 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:28" (1/1) ... [2018-12-08 17:27:28,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:28" (1/1) ... [2018-12-08 17:27:28,574 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:28" (1/1) ... [2018-12-08 17:27:28,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 17:27:28,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 17:27:28,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 17:27:28,582 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 17:27:28,582 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b91b7d1d-5727-47ca-9f36-148c7608ac96/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 [2018-12-08 17:27:28,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 17:27:28,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 17:27:28,615 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-12-08 17:27:28,615 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-12-08 17:27:28,615 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-08 17:27:28,615 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-08 17:27:28,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 17:27:28,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 17:27:28,616 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 17:27:28,616 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 17:27:29,935 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 17:27:29,935 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-08 17:27:29,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:27:29 BoogieIcfgContainer [2018-12-08 17:27:29,936 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 17:27:29,936 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 17:27:29,936 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 17:27:29,938 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 17:27:29,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 05:27:27" (1/3) ... [2018-12-08 17:27:29,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cac2855 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 05:27:29, skipping insertion in model container [2018-12-08 17:27:29,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:27:28" (2/3) ... [2018-12-08 17:27:29,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cac2855 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 05:27:29, skipping insertion in model container [2018-12-08 17:27:29,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:27:29" (3/3) ... [2018-12-08 17:27:29,940 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label45_true-unreach-call.c [2018-12-08 17:27:29,946 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 17:27:29,951 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 17:27:29,961 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 17:27:29,983 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 17:27:29,983 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 17:27:29,984 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 17:27:29,984 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 17:27:29,984 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 17:27:29,984 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 17:27:29,984 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 17:27:29,984 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 17:27:30,001 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2018-12-08 17:27:30,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-08 17:27:30,006 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:27:30,007 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:27:30,008 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:27:30,012 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:27:30,012 INFO L82 PathProgramCache]: Analyzing trace with hash -157468318, now seen corresponding path program 1 times [2018-12-08 17:27:30,013 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:27:30,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:27:30,043 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:27:30,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:27:30,043 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:27:30,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:27:30,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:27:30,196 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:27:30,197 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 17:27:30,197 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:27:30,200 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 17:27:30,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 17:27:30,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 17:27:30,210 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 4 states. [2018-12-08 17:27:31,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:27:31,856 INFO L93 Difference]: Finished difference Result 1509 states and 2834 transitions. [2018-12-08 17:27:31,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 17:27:31,858 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2018-12-08 17:27:31,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:27:31,875 INFO L225 Difference]: With dead ends: 1509 [2018-12-08 17:27:31,875 INFO L226 Difference]: Without dead ends: 1019 [2018-12-08 17:27:31,881 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 17:27:31,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1019 states. [2018-12-08 17:27:31,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1019 to 682. [2018-12-08 17:27:31,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2018-12-08 17:27:31,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 1148 transitions. [2018-12-08 17:27:31,938 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 1148 transitions. Word has length 59 [2018-12-08 17:27:31,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:27:31,938 INFO L480 AbstractCegarLoop]: Abstraction has 682 states and 1148 transitions. [2018-12-08 17:27:31,938 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 17:27:31,938 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 1148 transitions. [2018-12-08 17:27:31,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-08 17:27:31,941 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:27:31,941 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, 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] [2018-12-08 17:27:31,941 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:27:31,942 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:27:31,942 INFO L82 PathProgramCache]: Analyzing trace with hash -918606014, now seen corresponding path program 1 times [2018-12-08 17:27:31,942 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:27:31,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:27:31,942 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:27:31,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:27:31,943 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:27:31,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:27:32,053 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:27:32,054 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:27:32,054 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 17:27:32,054 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:27:32,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 17:27:32,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 17:27:32,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 17:27:32,056 INFO L87 Difference]: Start difference. First operand 682 states and 1148 transitions. Second operand 6 states. [2018-12-08 17:27:33,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:27:33,382 INFO L93 Difference]: Finished difference Result 2068 states and 3519 transitions. [2018-12-08 17:27:33,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 17:27:33,382 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 129 [2018-12-08 17:27:33,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:27:33,387 INFO L225 Difference]: With dead ends: 2068 [2018-12-08 17:27:33,387 INFO L226 Difference]: Without dead ends: 1392 [2018-12-08 17:27:33,389 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 [2018-12-08 17:27:33,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1392 states. [2018-12-08 17:27:33,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1392 to 1374. [2018-12-08 17:27:33,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1374 states. [2018-12-08 17:27:33,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1374 states to 1374 states and 2217 transitions. [2018-12-08 17:27:33,420 INFO L78 Accepts]: Start accepts. Automaton has 1374 states and 2217 transitions. Word has length 129 [2018-12-08 17:27:33,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:27:33,421 INFO L480 AbstractCegarLoop]: Abstraction has 1374 states and 2217 transitions. [2018-12-08 17:27:33,421 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 17:27:33,421 INFO L276 IsEmpty]: Start isEmpty. Operand 1374 states and 2217 transitions. [2018-12-08 17:27:33,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-08 17:27:33,422 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:27:33,422 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, 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] [2018-12-08 17:27:33,422 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:27:33,423 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:27:33,423 INFO L82 PathProgramCache]: Analyzing trace with hash 1859454899, now seen corresponding path program 1 times [2018-12-08 17:27:33,423 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:27:33,423 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:27:33,424 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:27:33,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:27:33,424 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:27:33,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:27:33,492 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:27:33,492 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:27:33,492 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 17:27:33,492 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:27:33,493 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 17:27:33,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 17:27:33,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 17:27:33,493 INFO L87 Difference]: Start difference. First operand 1374 states and 2217 transitions. Second operand 5 states. [2018-12-08 17:27:35,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:27:35,308 INFO L93 Difference]: Finished difference Result 3463 states and 5603 transitions. [2018-12-08 17:27:35,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 17:27:35,308 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 130 [2018-12-08 17:27:35,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:27:35,317 INFO L225 Difference]: With dead ends: 3463 [2018-12-08 17:27:35,317 INFO L226 Difference]: Without dead ends: 2095 [2018-12-08 17:27:35,319 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-08 17:27:35,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2095 states. [2018-12-08 17:27:35,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2095 to 2079. [2018-12-08 17:27:35,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2079 states. [2018-12-08 17:27:35,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2079 states to 2079 states and 2787 transitions. [2018-12-08 17:27:35,355 INFO L78 Accepts]: Start accepts. Automaton has 2079 states and 2787 transitions. Word has length 130 [2018-12-08 17:27:35,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:27:35,356 INFO L480 AbstractCegarLoop]: Abstraction has 2079 states and 2787 transitions. [2018-12-08 17:27:35,356 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 17:27:35,356 INFO L276 IsEmpty]: Start isEmpty. Operand 2079 states and 2787 transitions. [2018-12-08 17:27:35,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-12-08 17:27:35,358 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:27:35,358 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:27:35,358 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:27:35,358 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:27:35,359 INFO L82 PathProgramCache]: Analyzing trace with hash 824896939, now seen corresponding path program 1 times [2018-12-08 17:27:35,359 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:27:35,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:27:35,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:27:35,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:27:35,359 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:27:35,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:27:35,484 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:27:35,484 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:27:35,484 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 17:27:35,484 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:27:35,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 17:27:35,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 17:27:35,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 17:27:35,485 INFO L87 Difference]: Start difference. First operand 2079 states and 2787 transitions. Second operand 6 states. [2018-12-08 17:27:36,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:27:36,805 INFO L93 Difference]: Finished difference Result 6268 states and 8594 transitions. [2018-12-08 17:27:36,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 17:27:36,805 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 222 [2018-12-08 17:27:36,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:27:36,820 INFO L225 Difference]: With dead ends: 6268 [2018-12-08 17:27:36,821 INFO L226 Difference]: Without dead ends: 4195 [2018-12-08 17:27:36,825 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 [2018-12-08 17:27:36,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4195 states. [2018-12-08 17:27:36,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4195 to 4157. [2018-12-08 17:27:36,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4157 states. [2018-12-08 17:27:36,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4157 states to 4157 states and 5579 transitions. [2018-12-08 17:27:36,877 INFO L78 Accepts]: Start accepts. Automaton has 4157 states and 5579 transitions. Word has length 222 [2018-12-08 17:27:36,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:27:36,878 INFO L480 AbstractCegarLoop]: Abstraction has 4157 states and 5579 transitions. [2018-12-08 17:27:36,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 17:27:36,878 INFO L276 IsEmpty]: Start isEmpty. Operand 4157 states and 5579 transitions. [2018-12-08 17:27:36,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-12-08 17:27:36,880 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:27:36,881 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:27:36,881 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:27:36,881 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:27:36,881 INFO L82 PathProgramCache]: Analyzing trace with hash -761221741, now seen corresponding path program 1 times [2018-12-08 17:27:36,881 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:27:36,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:27:36,882 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:27:36,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:27:36,882 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:27:36,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:27:37,015 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:27:37,015 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:27:37,015 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 17:27:37,015 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:27:37,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 17:27:37,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 17:27:37,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 17:27:37,016 INFO L87 Difference]: Start difference. First operand 4157 states and 5579 transitions. Second operand 6 states. [2018-12-08 17:27:38,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:27:38,232 INFO L93 Difference]: Finished difference Result 10099 states and 13767 transitions. [2018-12-08 17:27:38,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 17:27:38,232 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 242 [2018-12-08 17:27:38,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:27:38,244 INFO L225 Difference]: With dead ends: 10099 [2018-12-08 17:27:38,244 INFO L226 Difference]: Without dead ends: 5948 [2018-12-08 17:27:38,248 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 [2018-12-08 17:27:38,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5948 states. [2018-12-08 17:27:38,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5948 to 5913. [2018-12-08 17:27:38,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5913 states. [2018-12-08 17:27:38,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5913 states to 5913 states and 7732 transitions. [2018-12-08 17:27:38,323 INFO L78 Accepts]: Start accepts. Automaton has 5913 states and 7732 transitions. Word has length 242 [2018-12-08 17:27:38,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:27:38,323 INFO L480 AbstractCegarLoop]: Abstraction has 5913 states and 7732 transitions. [2018-12-08 17:27:38,323 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 17:27:38,323 INFO L276 IsEmpty]: Start isEmpty. Operand 5913 states and 7732 transitions. [2018-12-08 17:27:38,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2018-12-08 17:27:38,328 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:27:38,328 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-08 17:27:38,328 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:27:38,328 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:27:38,329 INFO L82 PathProgramCache]: Analyzing trace with hash 154123587, now seen corresponding path program 1 times [2018-12-08 17:27:38,329 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:27:38,329 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:27:38,329 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:27:38,329 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:27:38,329 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:27:38,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:27:38,572 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 181 proven. 35 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2018-12-08 17:27:38,572 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:27:38,572 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 17:27:38,573 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 421 with the following transitions: [2018-12-08 17:27:38,574 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [559], [561], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1048], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-08 17:27:38,602 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 17:27:38,602 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 17:27:38,856 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 17:27:38,857 INFO L272 AbstractInterpreter]: Visited 169 different actions 169 times. Never merged. Never widened. Performed 1654 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1654 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-12-08 17:27:38,866 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:27:38,866 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 17:27:39,304 INFO L227 lantSequenceWeakener]: Weakened 408 states. On average, predicates are now at 77.75% of their original sizes. [2018-12-08 17:27:39,304 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 17:27:39,329 INFO L418 sIntCurrentIteration]: We unified 419 AI predicates to 419 [2018-12-08 17:27:39,329 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 17:27:39,329 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 17:27:39,330 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2018-12-08 17:27:39,330 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:27:39,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 17:27:39,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 17:27:39,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 17:27:39,331 INFO L87 Difference]: Start difference. First operand 5913 states and 7732 transitions. Second operand 6 states. [2018-12-08 17:28:37,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:28:37,164 INFO L93 Difference]: Finished difference Result 12158 states and 15830 transitions. [2018-12-08 17:28:37,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 17:28:37,165 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 420 [2018-12-08 17:28:37,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:28:37,174 INFO L225 Difference]: With dead ends: 12158 [2018-12-08 17:28:37,175 INFO L226 Difference]: Without dead ends: 6251 [2018-12-08 17:28:37,179 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 420 GetRequests, 415 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-08 17:28:37,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6251 states. [2018-12-08 17:28:37,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6251 to 6250. [2018-12-08 17:28:37,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6250 states. [2018-12-08 17:28:37,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6250 states to 6250 states and 8078 transitions. [2018-12-08 17:28:37,246 INFO L78 Accepts]: Start accepts. Automaton has 6250 states and 8078 transitions. Word has length 420 [2018-12-08 17:28:37,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:28:37,246 INFO L480 AbstractCegarLoop]: Abstraction has 6250 states and 8078 transitions. [2018-12-08 17:28:37,246 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 17:28:37,246 INFO L276 IsEmpty]: Start isEmpty. Operand 6250 states and 8078 transitions. [2018-12-08 17:28:37,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 512 [2018-12-08 17:28:37,253 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:28:37,253 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:28:37,253 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:28:37,253 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:28:37,254 INFO L82 PathProgramCache]: Analyzing trace with hash 321571626, now seen corresponding path program 1 times [2018-12-08 17:28:37,254 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:28:37,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:28:37,254 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:28:37,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:28:37,254 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:28:37,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:28:37,502 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 282 proven. 265 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-08 17:28:37,502 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:28:37,502 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 17:28:37,502 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 512 with the following transitions: [2018-12-08 17:28:37,503 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [559], [561], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1048], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-08 17:28:37,506 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 17:28:37,506 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 17:28:37,725 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 17:28:37,725 INFO L272 AbstractInterpreter]: Visited 173 different actions 506 times. Merged at 4 different actions 7 times. Never widened. Performed 5425 root evaluator evaluations with a maximum evaluation depth of 7. Performed 5425 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-08 17:28:37,737 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:28:37,737 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 17:28:38,064 INFO L227 lantSequenceWeakener]: Weakened 508 states. On average, predicates are now at 80.41% of their original sizes. [2018-12-08 17:28:38,064 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 17:28:38,132 INFO L418 sIntCurrentIteration]: We unified 510 AI predicates to 510 [2018-12-08 17:28:38,132 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 17:28:38,132 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 17:28:38,132 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-12-08 17:28:38,132 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:28:38,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 17:28:38,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 17:28:38,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 17:28:38,133 INFO L87 Difference]: Start difference. First operand 6250 states and 8078 transitions. Second operand 10 states. [2018-12-08 17:29:15,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:29:15,849 INFO L93 Difference]: Finished difference Result 14266 states and 18419 transitions. [2018-12-08 17:29:15,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-08 17:29:15,849 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 511 [2018-12-08 17:29:15,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:29:15,864 INFO L225 Difference]: With dead ends: 14266 [2018-12-08 17:29:15,865 INFO L226 Difference]: Without dead ends: 8359 [2018-12-08 17:29:15,870 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 520 GetRequests, 502 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-08 17:29:15,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8359 states. [2018-12-08 17:29:15,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8359 to 7987. [2018-12-08 17:29:15,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7987 states. [2018-12-08 17:29:15,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7987 states to 7987 states and 10031 transitions. [2018-12-08 17:29:15,971 INFO L78 Accepts]: Start accepts. Automaton has 7987 states and 10031 transitions. Word has length 511 [2018-12-08 17:29:15,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:29:15,971 INFO L480 AbstractCegarLoop]: Abstraction has 7987 states and 10031 transitions. [2018-12-08 17:29:15,972 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 17:29:15,972 INFO L276 IsEmpty]: Start isEmpty. Operand 7987 states and 10031 transitions. [2018-12-08 17:29:15,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 660 [2018-12-08 17:29:15,982 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:29:15,982 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:29:15,983 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:29:15,983 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:29:15,983 INFO L82 PathProgramCache]: Analyzing trace with hash 817731394, now seen corresponding path program 1 times [2018-12-08 17:29:15,983 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:29:15,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:29:15,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:29:15,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:29:15,984 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:29:16,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:29:16,309 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 637 proven. 29 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2018-12-08 17:29:16,309 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:29:16,309 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 17:29:16,309 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 660 with the following transitions: [2018-12-08 17:29:16,310 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [559], [561], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1048], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-08 17:29:16,313 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 17:29:16,313 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 17:29:16,610 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 17:29:16,610 INFO L272 AbstractInterpreter]: Visited 250 different actions 748 times. Merged at 8 different actions 20 times. Never widened. Performed 8441 root evaluator evaluations with a maximum evaluation depth of 18. Performed 8441 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 6 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-08 17:29:16,614 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:29:16,615 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 17:29:16,615 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:29:16,615 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b91b7d1d-5727-47ca-9f36-148c7608ac96/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 [2018-12-08 17:29:16,623 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:29:16,623 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 17:29:16,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:29:16,724 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:29:16,895 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 573 proven. 2 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2018-12-08 17:29:16,895 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 17:29:17,168 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 573 proven. 2 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2018-12-08 17:29:17,184 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 17:29:17,184 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2018-12-08 17:29:17,184 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 17:29:17,185 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 17:29:17,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 17:29:17,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-08 17:29:17,185 INFO L87 Difference]: Start difference. First operand 7987 states and 10031 transitions. Second operand 10 states. [2018-12-08 17:29:19,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:29:19,711 INFO L93 Difference]: Finished difference Result 18384 states and 22844 transitions. [2018-12-08 17:29:19,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-08 17:29:19,712 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 659 [2018-12-08 17:29:19,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:29:19,735 INFO L225 Difference]: With dead ends: 18384 [2018-12-08 17:29:19,735 INFO L226 Difference]: Without dead ends: 9625 [2018-12-08 17:29:19,744 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1348 GetRequests, 1325 SyntacticMatches, 5 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2018-12-08 17:29:19,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9625 states. [2018-12-08 17:29:19,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9625 to 7227. [2018-12-08 17:29:19,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7227 states. [2018-12-08 17:29:19,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7227 states to 7227 states and 7848 transitions. [2018-12-08 17:29:19,823 INFO L78 Accepts]: Start accepts. Automaton has 7227 states and 7848 transitions. Word has length 659 [2018-12-08 17:29:19,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:29:19,823 INFO L480 AbstractCegarLoop]: Abstraction has 7227 states and 7848 transitions. [2018-12-08 17:29:19,823 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 17:29:19,823 INFO L276 IsEmpty]: Start isEmpty. Operand 7227 states and 7848 transitions. [2018-12-08 17:29:19,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 686 [2018-12-08 17:29:19,835 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:29:19,835 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:29:19,835 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:29:19,835 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:29:19,835 INFO L82 PathProgramCache]: Analyzing trace with hash 408476754, now seen corresponding path program 1 times [2018-12-08 17:29:19,835 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:29:19,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:29:19,836 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:29:19,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:29:19,836 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:29:19,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:29:20,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1119 backedges. 507 proven. 141 refuted. 0 times theorem prover too weak. 471 trivial. 0 not checked. [2018-12-08 17:29:20,089 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:29:20,089 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 17:29:20,090 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 686 with the following transitions: [2018-12-08 17:29:20,090 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [559], [561], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [684], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-08 17:29:20,092 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 17:29:20,092 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 17:29:20,568 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 17:29:20,568 INFO L272 AbstractInterpreter]: Visited 251 different actions 1004 times. Merged at 9 different actions 32 times. Widened at 1 different actions 1 times. Performed 11792 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11792 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 8 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-08 17:29:20,570 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:29:20,570 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 17:29:20,570 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:29:20,570 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b91b7d1d-5727-47ca-9f36-148c7608ac96/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 [2018-12-08 17:29:20,576 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:29:20,576 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 17:29:20,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:29:20,671 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:29:20,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1119 backedges. 814 proven. 2 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2018-12-08 17:29:20,823 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 17:29:21,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1119 backedges. 507 proven. 141 refuted. 0 times theorem prover too weak. 471 trivial. 0 not checked. [2018-12-08 17:29:21,024 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 17:29:21,025 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-08 17:29:21,025 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 17:29:21,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 17:29:21,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 17:29:21,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-12-08 17:29:21,026 INFO L87 Difference]: Start difference. First operand 7227 states and 7848 transitions. Second operand 9 states. [2018-12-08 17:29:22,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:29:22,995 INFO L93 Difference]: Finished difference Result 18334 states and 20488 transitions. [2018-12-08 17:29:22,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-08 17:29:22,996 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 685 [2018-12-08 17:29:22,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:29:23,018 INFO L225 Difference]: With dead ends: 18334 [2018-12-08 17:29:23,018 INFO L226 Difference]: Without dead ends: 11102 [2018-12-08 17:29:23,029 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1391 GetRequests, 1373 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-12-08 17:29:23,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11102 states. [2018-12-08 17:29:23,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11102 to 10737. [2018-12-08 17:29:23,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10737 states. [2018-12-08 17:29:23,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10737 states to 10737 states and 11885 transitions. [2018-12-08 17:29:23,136 INFO L78 Accepts]: Start accepts. Automaton has 10737 states and 11885 transitions. Word has length 685 [2018-12-08 17:29:23,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:29:23,136 INFO L480 AbstractCegarLoop]: Abstraction has 10737 states and 11885 transitions. [2018-12-08 17:29:23,136 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 17:29:23,136 INFO L276 IsEmpty]: Start isEmpty. Operand 10737 states and 11885 transitions. [2018-12-08 17:29:23,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 879 [2018-12-08 17:29:23,146 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:29:23,146 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:29:23,146 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:29:23,146 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:29:23,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1047054171, now seen corresponding path program 1 times [2018-12-08 17:29:23,146 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:29:23,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:29:23,147 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:29:23,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:29:23,147 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:29:23,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:29:24,333 INFO L134 CoverageAnalysis]: Checked inductivity of 1142 backedges. 453 proven. 612 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-08 17:29:24,333 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:29:24,334 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 17:29:24,334 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 879 with the following transitions: [2018-12-08 17:29:24,334 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [559], [561], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1392], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1444], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-08 17:29:24,336 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 17:29:24,336 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 17:29:24,585 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 17:29:24,585 INFO L272 AbstractInterpreter]: Visited 272 different actions 538 times. Merged at 4 different actions 4 times. Never widened. Performed 5879 root evaluator evaluations with a maximum evaluation depth of 17. Performed 5879 inverse root evaluator evaluations with a maximum inverse evaluation depth of 17. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-08 17:29:24,588 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:29:24,588 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 17:29:25,023 INFO L227 lantSequenceWeakener]: Weakened 875 states. On average, predicates are now at 77.52% of their original sizes. [2018-12-08 17:29:25,024 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 17:29:25,090 INFO L418 sIntCurrentIteration]: We unified 877 AI predicates to 877 [2018-12-08 17:29:25,090 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 17:29:25,090 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 17:29:25,090 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2018-12-08 17:29:25,090 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:29:25,091 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 17:29:25,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 17:29:25,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 17:29:25,091 INFO L87 Difference]: Start difference. First operand 10737 states and 11885 transitions. Second operand 10 states. [2018-12-08 17:30:24,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:30:24,947 INFO L93 Difference]: Finished difference Result 21472 states and 23781 transitions. [2018-12-08 17:30:24,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-08 17:30:24,947 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 878 [2018-12-08 17:30:24,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:30:24,963 INFO L225 Difference]: With dead ends: 21472 [2018-12-08 17:30:24,963 INFO L226 Difference]: Without dead ends: 11078 [2018-12-08 17:30:24,972 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 885 GetRequests, 869 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-08 17:30:24,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11078 states. [2018-12-08 17:30:25,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11078 to 11076. [2018-12-08 17:30:25,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11076 states. [2018-12-08 17:30:25,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11076 states to 11076 states and 12231 transitions. [2018-12-08 17:30:25,069 INFO L78 Accepts]: Start accepts. Automaton has 11076 states and 12231 transitions. Word has length 878 [2018-12-08 17:30:25,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:30:25,070 INFO L480 AbstractCegarLoop]: Abstraction has 11076 states and 12231 transitions. [2018-12-08 17:30:25,070 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 17:30:25,070 INFO L276 IsEmpty]: Start isEmpty. Operand 11076 states and 12231 transitions. [2018-12-08 17:30:25,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 887 [2018-12-08 17:30:25,078 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:30:25,078 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:30:25,079 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:30:25,079 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:30:25,079 INFO L82 PathProgramCache]: Analyzing trace with hash 1837873387, now seen corresponding path program 1 times [2018-12-08 17:30:25,079 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:30:25,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:30:25,079 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:30:25,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:30:25,080 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:30:25,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:30:25,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1158 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 941 trivial. 0 not checked. [2018-12-08 17:30:25,427 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:30:25,427 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 17:30:25,427 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:30:25,428 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 17:30:25,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 17:30:25,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 17:30:25,428 INFO L87 Difference]: Start difference. First operand 11076 states and 12231 transitions. Second operand 4 states. [2018-12-08 17:30:26,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:30:26,523 INFO L93 Difference]: Finished difference Result 23882 states and 27182 transitions. [2018-12-08 17:30:26,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 17:30:26,524 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 886 [2018-12-08 17:30:26,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:30:26,544 INFO L225 Difference]: With dead ends: 23882 [2018-12-08 17:30:26,544 INFO L226 Difference]: Without dead ends: 15523 [2018-12-08 17:30:26,556 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 [2018-12-08 17:30:26,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15523 states. [2018-12-08 17:30:26,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15523 to 15178. [2018-12-08 17:30:26,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15178 states. [2018-12-08 17:30:26,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15178 states to 15178 states and 16689 transitions. [2018-12-08 17:30:26,713 INFO L78 Accepts]: Start accepts. Automaton has 15178 states and 16689 transitions. Word has length 886 [2018-12-08 17:30:26,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:30:26,714 INFO L480 AbstractCegarLoop]: Abstraction has 15178 states and 16689 transitions. [2018-12-08 17:30:26,714 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 17:30:26,714 INFO L276 IsEmpty]: Start isEmpty. Operand 15178 states and 16689 transitions. [2018-12-08 17:30:26,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1239 [2018-12-08 17:30:26,730 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:30:26,730 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, 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, 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, 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, 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] [2018-12-08 17:30:26,730 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:30:26,730 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:30:26,731 INFO L82 PathProgramCache]: Analyzing trace with hash -919756301, now seen corresponding path program 1 times [2018-12-08 17:30:26,731 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:30:26,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:30:26,731 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:30:26,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:30:26,732 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:30:26,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:30:29,012 INFO L134 CoverageAnalysis]: Checked inductivity of 2428 backedges. 967 proven. 215 refuted. 0 times theorem prover too weak. 1246 trivial. 0 not checked. [2018-12-08 17:30:29,012 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:30:29,012 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 17:30:29,012 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1239 with the following transitions: [2018-12-08 17:30:29,012 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [559], [561], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1385], [1389], [1392], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-08 17:30:29,015 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 17:30:29,015 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 17:30:29,368 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 17:30:29,368 INFO L272 AbstractInterpreter]: Visited 284 different actions 839 times. Merged at 4 different actions 7 times. Never widened. Performed 10004 root evaluator evaluations with a maximum evaluation depth of 15. Performed 10004 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-08 17:30:29,370 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:30:29,370 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 17:30:30,000 INFO L227 lantSequenceWeakener]: Weakened 1235 states. On average, predicates are now at 80.17% of their original sizes. [2018-12-08 17:30:30,000 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 17:30:30,054 INFO L418 sIntCurrentIteration]: We unified 1237 AI predicates to 1237 [2018-12-08 17:30:30,054 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 17:30:30,054 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 17:30:30,055 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 18 [2018-12-08 17:30:30,055 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:30:30,055 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 17:30:30,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 17:30:30,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-08 17:30:30,056 INFO L87 Difference]: Start difference. First operand 15178 states and 16689 transitions. Second operand 9 states. [2018-12-08 17:31:06,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:31:06,852 INFO L93 Difference]: Finished difference Result 26615 states and 29489 transitions. [2018-12-08 17:31:06,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-08 17:31:06,852 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1238 [2018-12-08 17:31:06,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:31:06,869 INFO L225 Difference]: With dead ends: 26615 [2018-12-08 17:31:06,869 INFO L226 Difference]: Without dead ends: 15184 [2018-12-08 17:31:06,881 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 1244 GetRequests, 1230 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-08 17:31:06,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15184 states. [2018-12-08 17:31:06,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15184 to 15180. [2018-12-08 17:31:06,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15180 states. [2018-12-08 17:31:07,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15180 states to 15180 states and 16689 transitions. [2018-12-08 17:31:07,010 INFO L78 Accepts]: Start accepts. Automaton has 15180 states and 16689 transitions. Word has length 1238 [2018-12-08 17:31:07,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:31:07,010 INFO L480 AbstractCegarLoop]: Abstraction has 15180 states and 16689 transitions. [2018-12-08 17:31:07,011 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 17:31:07,011 INFO L276 IsEmpty]: Start isEmpty. Operand 15180 states and 16689 transitions. [2018-12-08 17:31:07,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1334 [2018-12-08 17:31:07,026 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:31:07,027 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, 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, 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, 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, 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] [2018-12-08 17:31:07,027 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:31:07,027 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:31:07,027 INFO L82 PathProgramCache]: Analyzing trace with hash 1262173170, now seen corresponding path program 1 times [2018-12-08 17:31:07,027 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:31:07,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:31:07,028 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:31:07,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:31:07,028 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:31:07,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:31:08,015 INFO L134 CoverageAnalysis]: Checked inductivity of 3067 backedges. 1730 proven. 661 refuted. 0 times theorem prover too weak. 676 trivial. 0 not checked. [2018-12-08 17:31:08,016 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:31:08,016 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 17:31:08,016 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1334 with the following transitions: [2018-12-08 17:31:08,016 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [559], [561], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-08 17:31:08,018 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 17:31:08,018 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 17:31:08,858 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 17:31:08,859 INFO L272 AbstractInterpreter]: Visited 286 different actions 1142 times. Merged at 9 different actions 30 times. Never widened. Performed 13779 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13779 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 11 fixpoints after 5 different actions. Largest state had 24 variables. [2018-12-08 17:31:08,861 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:31:08,861 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 17:31:08,861 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:31:08,861 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b91b7d1d-5727-47ca-9f36-148c7608ac96/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 [2018-12-08 17:31:08,868 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:31:08,868 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 17:31:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:31:09,009 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:31:09,470 INFO L134 CoverageAnalysis]: Checked inductivity of 3067 backedges. 327 proven. 0 refuted. 0 times theorem prover too weak. 2740 trivial. 0 not checked. [2018-12-08 17:31:09,470 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 17:31:09,912 INFO L134 CoverageAnalysis]: Checked inductivity of 3067 backedges. 327 proven. 0 refuted. 0 times theorem prover too weak. 2740 trivial. 0 not checked. [2018-12-08 17:31:09,941 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-08 17:31:09,941 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-12-08 17:31:09,941 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:31:09,942 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 17:31:09,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 17:31:09,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-12-08 17:31:09,942 INFO L87 Difference]: Start difference. First operand 15180 states and 16689 transitions. Second operand 3 states. [2018-12-08 17:31:10,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:31:10,484 INFO L93 Difference]: Finished difference Result 26609 states and 29482 transitions. [2018-12-08 17:31:10,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 17:31:10,485 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1333 [2018-12-08 17:31:10,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:31:10,511 INFO L225 Difference]: With dead ends: 26609 [2018-12-08 17:31:10,511 INFO L226 Difference]: Without dead ends: 15180 [2018-12-08 17:31:10,524 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2680 GetRequests, 2668 SyntacticMatches, 5 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-12-08 17:31:10,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15180 states. [2018-12-08 17:31:10,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15180 to 15180. [2018-12-08 17:31:10,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15180 states. [2018-12-08 17:31:10,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15180 states to 15180 states and 16657 transitions. [2018-12-08 17:31:10,657 INFO L78 Accepts]: Start accepts. Automaton has 15180 states and 16657 transitions. Word has length 1333 [2018-12-08 17:31:10,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:31:10,658 INFO L480 AbstractCegarLoop]: Abstraction has 15180 states and 16657 transitions. [2018-12-08 17:31:10,658 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 17:31:10,658 INFO L276 IsEmpty]: Start isEmpty. Operand 15180 states and 16657 transitions. [2018-12-08 17:31:10,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1406 [2018-12-08 17:31:10,675 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:31:10,675 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, 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, 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, 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, 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, 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] [2018-12-08 17:31:10,675 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:31:10,675 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:31:10,676 INFO L82 PathProgramCache]: Analyzing trace with hash 124277750, now seen corresponding path program 1 times [2018-12-08 17:31:10,676 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:31:10,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:31:10,676 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:31:10,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:31:10,676 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:31:10,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:31:11,383 INFO L134 CoverageAnalysis]: Checked inductivity of 3551 backedges. 809 proven. 2 refuted. 0 times theorem prover too weak. 2740 trivial. 0 not checked. [2018-12-08 17:31:11,383 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:31:11,383 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 17:31:11,383 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1406 with the following transitions: [2018-12-08 17:31:11,384 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [559], [561], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [684], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-08 17:31:11,386 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 17:31:11,386 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 17:31:12,265 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 17:31:12,265 INFO L272 AbstractInterpreter]: Visited 287 different actions 1147 times. Merged at 10 different actions 31 times. Never widened. Performed 13797 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13797 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 12 fixpoints after 5 different actions. Largest state had 24 variables. [2018-12-08 17:31:12,266 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:31:12,266 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 17:31:12,266 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:31:12,267 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b91b7d1d-5727-47ca-9f36-148c7608ac96/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 [2018-12-08 17:31:12,272 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:31:12,272 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 17:31:12,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:31:12,414 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:31:12,875 INFO L134 CoverageAnalysis]: Checked inductivity of 3551 backedges. 809 proven. 2 refuted. 0 times theorem prover too weak. 2740 trivial. 0 not checked. [2018-12-08 17:31:12,875 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 17:31:13,421 INFO L134 CoverageAnalysis]: Checked inductivity of 3551 backedges. 809 proven. 2 refuted. 0 times theorem prover too weak. 2740 trivial. 0 not checked. [2018-12-08 17:31:13,437 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 17:31:13,437 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2018-12-08 17:31:13,437 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 17:31:13,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 17:31:13,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 17:31:13,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-08 17:31:13,438 INFO L87 Difference]: Start difference. First operand 15180 states and 16657 transitions. Second operand 10 states. [2018-12-08 17:31:15,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:31:15,169 INFO L93 Difference]: Finished difference Result 32426 states and 35516 transitions. [2018-12-08 17:31:15,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-08 17:31:15,170 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1405 [2018-12-08 17:31:15,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:31:15,197 INFO L225 Difference]: With dead ends: 32426 [2018-12-08 17:31:15,197 INFO L226 Difference]: Without dead ends: 17246 [2018-12-08 17:31:15,212 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2831 GetRequests, 2812 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2018-12-08 17:31:15,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17246 states. [2018-12-08 17:31:15,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17246 to 16217. [2018-12-08 17:31:15,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16217 states. [2018-12-08 17:31:15,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16217 states to 16217 states and 17272 transitions. [2018-12-08 17:31:15,353 INFO L78 Accepts]: Start accepts. Automaton has 16217 states and 17272 transitions. Word has length 1405 [2018-12-08 17:31:15,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:31:15,354 INFO L480 AbstractCegarLoop]: Abstraction has 16217 states and 17272 transitions. [2018-12-08 17:31:15,354 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 17:31:15,354 INFO L276 IsEmpty]: Start isEmpty. Operand 16217 states and 17272 transitions. [2018-12-08 17:31:15,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1580 [2018-12-08 17:31:15,373 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:31:15,373 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, 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, 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, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 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, 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, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:31:15,373 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:31:15,373 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:31:15,374 INFO L82 PathProgramCache]: Analyzing trace with hash 1675126946, now seen corresponding path program 1 times [2018-12-08 17:31:15,374 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:31:15,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:31:15,374 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:31:15,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:31:15,374 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:31:15,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:31:16,271 INFO L134 CoverageAnalysis]: Checked inductivity of 5135 backedges. 953 proven. 449 refuted. 0 times theorem prover too weak. 3733 trivial. 0 not checked. [2018-12-08 17:31:16,271 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:31:16,271 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 17:31:16,272 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1580 with the following transitions: [2018-12-08 17:31:16,272 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [559], [561], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1076], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1396], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-08 17:31:16,274 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 17:31:16,274 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 17:31:16,878 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 17:31:16,878 INFO L272 AbstractInterpreter]: Visited 266 different actions 1072 times. Merged at 11 different actions 40 times. Widened at 1 different actions 1 times. Performed 12783 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12783 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 15 fixpoints after 7 different actions. Largest state had 24 variables. [2018-12-08 17:31:16,886 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:31:16,886 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 17:31:16,886 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:31:16,886 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b91b7d1d-5727-47ca-9f36-148c7608ac96/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 [2018-12-08 17:31:16,892 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:31:16,892 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 17:31:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:31:17,055 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:31:17,681 INFO L134 CoverageAnalysis]: Checked inductivity of 5135 backedges. 3357 proven. 2 refuted. 0 times theorem prover too weak. 1776 trivial. 0 not checked. [2018-12-08 17:31:17,681 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 17:31:18,412 INFO L134 CoverageAnalysis]: Checked inductivity of 5135 backedges. 953 proven. 449 refuted. 0 times theorem prover too weak. 3733 trivial. 0 not checked. [2018-12-08 17:31:18,427 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 17:31:18,428 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-08 17:31:18,428 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 17:31:18,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 17:31:18,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 17:31:18,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-08 17:31:18,429 INFO L87 Difference]: Start difference. First operand 16217 states and 17272 transitions. Second operand 9 states. [2018-12-08 17:31:19,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:31:19,639 INFO L93 Difference]: Finished difference Result 29584 states and 31314 transitions. [2018-12-08 17:31:19,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-08 17:31:19,640 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1579 [2018-12-08 17:31:19,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:31:19,656 INFO L225 Difference]: With dead ends: 29584 [2018-12-08 17:31:19,656 INFO L226 Difference]: Without dead ends: 16063 [2018-12-08 17:31:19,671 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3175 GetRequests, 3159 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-12-08 17:31:19,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16063 states. [2018-12-08 17:31:19,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16063 to 15369. [2018-12-08 17:31:19,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15369 states. [2018-12-08 17:31:19,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15369 states to 15369 states and 15907 transitions. [2018-12-08 17:31:19,790 INFO L78 Accepts]: Start accepts. Automaton has 15369 states and 15907 transitions. Word has length 1579 [2018-12-08 17:31:19,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:31:19,790 INFO L480 AbstractCegarLoop]: Abstraction has 15369 states and 15907 transitions. [2018-12-08 17:31:19,790 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 17:31:19,790 INFO L276 IsEmpty]: Start isEmpty. Operand 15369 states and 15907 transitions. [2018-12-08 17:31:19,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1581 [2018-12-08 17:31:19,805 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:31:19,806 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, 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, 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, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 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, 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, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:31:19,806 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:31:19,806 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:31:19,806 INFO L82 PathProgramCache]: Analyzing trace with hash 306379775, now seen corresponding path program 1 times [2018-12-08 17:31:19,806 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:31:19,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:31:19,807 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:31:19,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:31:19,807 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:31:19,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:31:21,553 INFO L134 CoverageAnalysis]: Checked inductivity of 5143 backedges. 2595 proven. 61 refuted. 0 times theorem prover too weak. 2487 trivial. 0 not checked. [2018-12-08 17:31:21,553 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:31:21,553 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 17:31:21,553 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1581 with the following transitions: [2018-12-08 17:31:21,554 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [559], [561], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1076], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1396], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-08 17:31:21,556 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 17:31:21,556 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 17:31:22,164 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 17:31:22,164 INFO L272 AbstractInterpreter]: Visited 266 different actions 1069 times. Merged at 11 different actions 37 times. Widened at 1 different actions 1 times. Performed 12725 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12725 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 15 fixpoints after 7 different actions. Largest state had 24 variables. [2018-12-08 17:31:22,167 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:31:22,167 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 17:31:22,167 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:31:22,167 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b91b7d1d-5727-47ca-9f36-148c7608ac96/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 [2018-12-08 17:31:22,173 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:31:22,173 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 17:31:22,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:31:22,334 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:31:23,202 INFO L134 CoverageAnalysis]: Checked inductivity of 5143 backedges. 2604 proven. 2 refuted. 0 times theorem prover too weak. 2537 trivial. 0 not checked. [2018-12-08 17:31:23,202 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 17:31:25,061 INFO L134 CoverageAnalysis]: Checked inductivity of 5143 backedges. 1581 proven. 170 refuted. 0 times theorem prover too weak. 3392 trivial. 0 not checked. [2018-12-08 17:31:25,077 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 17:31:25,077 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5] total 18 [2018-12-08 17:31:25,077 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 17:31:25,078 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-08 17:31:25,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-08 17:31:25,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2018-12-08 17:31:25,078 INFO L87 Difference]: Start difference. First operand 15369 states and 15907 transitions. Second operand 16 states. [2018-12-08 17:31:30,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:31:30,943 INFO L93 Difference]: Finished difference Result 28387 states and 29441 transitions. [2018-12-08 17:31:30,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-12-08 17:31:30,944 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 1580 [2018-12-08 17:31:30,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:31:30,962 INFO L225 Difference]: With dead ends: 28387 [2018-12-08 17:31:30,962 INFO L226 Difference]: Without dead ends: 15398 [2018-12-08 17:31:30,972 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3234 GetRequests, 3182 SyntacticMatches, 6 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 611 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=421, Invalid=1835, Unknown=0, NotChecked=0, Total=2256 [2018-12-08 17:31:30,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15398 states. [2018-12-08 17:31:31,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15398 to 14010. [2018-12-08 17:31:31,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14010 states. [2018-12-08 17:31:31,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14010 states to 14010 states and 14446 transitions. [2018-12-08 17:31:31,076 INFO L78 Accepts]: Start accepts. Automaton has 14010 states and 14446 transitions. Word has length 1580 [2018-12-08 17:31:31,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:31:31,077 INFO L480 AbstractCegarLoop]: Abstraction has 14010 states and 14446 transitions. [2018-12-08 17:31:31,077 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-08 17:31:31,077 INFO L276 IsEmpty]: Start isEmpty. Operand 14010 states and 14446 transitions. [2018-12-08 17:31:31,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2003 [2018-12-08 17:31:31,097 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:31:31,097 INFO L402 BasicCegarLoop]: trace histogram [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, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 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, 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:31:31,097 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:31:31,098 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:31:31,098 INFO L82 PathProgramCache]: Analyzing trace with hash -1335635522, now seen corresponding path program 1 times [2018-12-08 17:31:31,098 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:31:31,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:31:31,098 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:31:31,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:31:31,098 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:31:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:31:35,119 INFO L134 CoverageAnalysis]: Checked inductivity of 6993 backedges. 4575 proven. 847 refuted. 0 times theorem prover too weak. 1571 trivial. 0 not checked. [2018-12-08 17:31:35,120 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:31:35,120 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 17:31:35,120 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 2003 with the following transitions: [2018-12-08 17:31:35,120 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [117], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [559], [561], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [684], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-12-08 17:31:35,123 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 17:31:35,123 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 17:31:36,034 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 17:31:36,034 INFO L272 AbstractInterpreter]: Visited 339 different actions 1349 times. Merged at 11 different actions 34 times. Never widened. Performed 16583 root evaluator evaluations with a maximum evaluation depth of 22. Performed 16583 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 15 fixpoints after 7 different actions. Largest state had 24 variables. [2018-12-08 17:31:36,036 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:31:36,036 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 17:31:36,036 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:31:36,037 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b91b7d1d-5727-47ca-9f36-148c7608ac96/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 [2018-12-08 17:31:36,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:31:36,042 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 17:31:36,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:31:36,240 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:31:37,573 INFO L134 CoverageAnalysis]: Checked inductivity of 6993 backedges. 4651 proven. 2 refuted. 0 times theorem prover too weak. 2340 trivial. 0 not checked. [2018-12-08 17:31:37,573 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 17:31:40,500 INFO L134 CoverageAnalysis]: Checked inductivity of 6993 backedges. 1393 proven. 827 refuted. 0 times theorem prover too weak. 4773 trivial. 0 not checked. [2018-12-08 17:31:40,516 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 17:31:40,517 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 5, 5] total 23 [2018-12-08 17:31:40,517 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 17:31:40,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-12-08 17:31:40,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-12-08 17:31:40,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=423, Unknown=0, NotChecked=0, Total=506 [2018-12-08 17:31:40,518 INFO L87 Difference]: Start difference. First operand 14010 states and 14446 transitions. Second operand 21 states. [2018-12-08 17:31:44,132 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2018-12-08 17:31:46,851 WARN L180 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2018-12-08 17:31:48,169 WARN L180 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 35 [2018-12-08 17:31:49,134 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 35 [2018-12-08 17:31:49,529 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 17 [2018-12-08 17:31:49,794 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 32 [2018-12-08 17:31:52,824 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 24 [2018-12-08 17:31:54,682 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 39 [2018-12-08 17:31:54,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:31:54,839 INFO L93 Difference]: Finished difference Result 25346 states and 26208 transitions. [2018-12-08 17:31:54,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-12-08 17:31:54,839 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 2002 [2018-12-08 17:31:54,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:31:54,861 INFO L225 Difference]: With dead ends: 25346 [2018-12-08 17:31:54,861 INFO L226 Difference]: Without dead ends: 14054 [2018-12-08 17:31:54,872 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4109 GetRequests, 4039 SyntacticMatches, 4 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1280 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=866, Invalid=3690, Unknown=0, NotChecked=0, Total=4556 [2018-12-08 17:31:54,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14054 states. [2018-12-08 17:31:54,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14054 to 13340. [2018-12-08 17:31:54,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13340 states. [2018-12-08 17:31:54,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13340 states to 13340 states and 13719 transitions. [2018-12-08 17:31:54,987 INFO L78 Accepts]: Start accepts. Automaton has 13340 states and 13719 transitions. Word has length 2002 [2018-12-08 17:31:54,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:31:54,987 INFO L480 AbstractCegarLoop]: Abstraction has 13340 states and 13719 transitions. [2018-12-08 17:31:54,987 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-12-08 17:31:54,987 INFO L276 IsEmpty]: Start isEmpty. Operand 13340 states and 13719 transitions. [2018-12-08 17:31:55,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2243 [2018-12-08 17:31:55,010 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:31:55,011 INFO L402 BasicCegarLoop]: trace histogram [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, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 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, 9, 9, 9, 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, 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:31:55,011 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:31:55,011 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:31:55,011 INFO L82 PathProgramCache]: Analyzing trace with hash 950903030, now seen corresponding path program 1 times [2018-12-08 17:31:55,011 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:31:55,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:31:55,012 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:31:55,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:31:55,012 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:31:55,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:32:01,893 INFO L134 CoverageAnalysis]: Checked inductivity of 9167 backedges. 1395 proven. 5684 refuted. 0 times theorem prover too weak. 2088 trivial. 0 not checked. [2018-12-08 17:32:01,893 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:32:01,893 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 17:32:01,893 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 2243 with the following transitions: [2018-12-08 17:32:01,893 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [117], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [559], [561], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [680], [681], [684], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1396], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-12-08 17:32:01,896 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 17:32:01,897 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 17:32:02,806 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 17:32:02,807 INFO L272 AbstractInterpreter]: Visited 341 different actions 1357 times. Merged at 11 different actions 34 times. Widened at 1 different actions 1 times. Performed 16769 root evaluator evaluations with a maximum evaluation depth of 22. Performed 16769 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 18 fixpoints after 12 different actions. Largest state had 24 variables. [2018-12-08 17:32:02,808 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:32:02,809 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 17:32:02,809 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:32:02,809 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b91b7d1d-5727-47ca-9f36-148c7608ac96/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 [2018-12-08 17:32:02,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:32:02,814 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 17:32:03,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:32:03,042 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:32:04,378 INFO L134 CoverageAnalysis]: Checked inductivity of 9167 backedges. 5135 proven. 2 refuted. 0 times theorem prover too weak. 4030 trivial. 0 not checked. [2018-12-08 17:32:04,378 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 17:32:06,149 INFO L134 CoverageAnalysis]: Checked inductivity of 9167 backedges. 1158 proven. 706 refuted. 0 times theorem prover too weak. 7303 trivial. 0 not checked. [2018-12-08 17:32:06,165 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 17:32:06,165 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 5, 5] total 30 [2018-12-08 17:32:06,165 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 17:32:06,166 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-12-08 17:32:06,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-12-08 17:32:06,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=742, Unknown=0, NotChecked=0, Total=870 [2018-12-08 17:32:06,167 INFO L87 Difference]: Start difference. First operand 13340 states and 13719 transitions. Second operand 28 states. [2018-12-08 17:32:10,764 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 34 [2018-12-08 17:32:11,645 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2018-12-08 17:32:14,940 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2018-12-08 17:32:15,313 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 48 [2018-12-08 17:32:18,262 WARN L180 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 44 [2018-12-08 17:32:19,750 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2018-12-08 17:32:21,111 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2018-12-08 17:32:22,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:32:22,415 INFO L93 Difference]: Finished difference Result 27759 states and 28675 transitions. [2018-12-08 17:32:22,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2018-12-08 17:32:22,415 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 2242 [2018-12-08 17:32:22,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:32:22,433 INFO L225 Difference]: With dead ends: 27759 [2018-12-08 17:32:22,433 INFO L226 Difference]: Without dead ends: 17149 [2018-12-08 17:32:22,442 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4634 GetRequests, 4535 SyntacticMatches, 6 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2890 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=1350, Invalid=7580, Unknown=0, NotChecked=0, Total=8930 [2018-12-08 17:32:22,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17149 states. [2018-12-08 17:32:22,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17149 to 16413. [2018-12-08 17:32:22,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16413 states. [2018-12-08 17:32:22,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16413 states to 16413 states and 16827 transitions. [2018-12-08 17:32:22,577 INFO L78 Accepts]: Start accepts. Automaton has 16413 states and 16827 transitions. Word has length 2242 [2018-12-08 17:32:22,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:32:22,577 INFO L480 AbstractCegarLoop]: Abstraction has 16413 states and 16827 transitions. [2018-12-08 17:32:22,577 INFO L481 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-12-08 17:32:22,577 INFO L276 IsEmpty]: Start isEmpty. Operand 16413 states and 16827 transitions. [2018-12-08 17:32:22,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2276 [2018-12-08 17:32:22,603 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:32:22,603 INFO L402 BasicCegarLoop]: trace histogram [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, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 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, 9, 9, 9, 9, 9, 9, 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, 8, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:32:22,604 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:32:22,604 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:32:22,604 INFO L82 PathProgramCache]: Analyzing trace with hash -827897163, now seen corresponding path program 1 times [2018-12-08 17:32:22,604 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:32:22,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:32:22,604 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:32:22,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:32:22,605 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:32:22,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:32:29,440 INFO L134 CoverageAnalysis]: Checked inductivity of 9560 backedges. 1499 proven. 6082 refuted. 0 times theorem prover too weak. 1979 trivial. 0 not checked. [2018-12-08 17:32:29,440 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:32:29,440 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 17:32:29,441 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 2276 with the following transitions: [2018-12-08 17:32:29,441 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [117], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [559], [561], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [684], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [728], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1148], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1296], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-12-08 17:32:29,443 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 17:32:29,443 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 17:32:30,380 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 17:32:30,380 INFO L272 AbstractInterpreter]: Visited 341 different actions 1355 times. Merged at 11 different actions 32 times. Never widened. Performed 16675 root evaluator evaluations with a maximum evaluation depth of 22. Performed 16675 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 17 fixpoints after 11 different actions. Largest state had 24 variables. [2018-12-08 17:32:30,381 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:32:30,381 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 17:32:30,382 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:32:30,382 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b91b7d1d-5727-47ca-9f36-148c7608ac96/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 [2018-12-08 17:32:30,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:32:30,388 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 17:32:30,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:32:30,625 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:32:32,272 INFO L134 CoverageAnalysis]: Checked inductivity of 9560 backedges. 1390 proven. 55 refuted. 0 times theorem prover too weak. 8115 trivial. 0 not checked. [2018-12-08 17:32:32,273 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 17:32:33,843 INFO L134 CoverageAnalysis]: Checked inductivity of 9560 backedges. 1443 proven. 2 refuted. 0 times theorem prover too weak. 8115 trivial. 0 not checked. [2018-12-08 17:32:33,859 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 17:32:33,860 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 6, 6] total 32 [2018-12-08 17:32:33,860 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 17:32:33,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-12-08 17:32:33,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-12-08 17:32:33,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=853, Unknown=0, NotChecked=0, Total=992 [2018-12-08 17:32:33,862 INFO L87 Difference]: Start difference. First operand 16413 states and 16827 transitions. Second operand 28 states. [2018-12-08 17:32:37,347 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 29 [2018-12-08 17:32:39,498 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2018-12-08 17:32:46,978 WARN L180 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 44 [2018-12-08 17:32:48,761 WARN L180 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 45 [2018-12-08 17:32:53,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:32:53,428 INFO L93 Difference]: Finished difference Result 32564 states and 33497 transitions. [2018-12-08 17:32:53,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2018-12-08 17:32:53,428 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 2275 [2018-12-08 17:32:53,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:32:53,429 INFO L225 Difference]: With dead ends: 32564 [2018-12-08 17:32:53,429 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 17:32:53,440 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4688 GetRequests, 4592 SyntacticMatches, 7 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2525 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=1274, Invalid=6916, Unknown=0, NotChecked=0, Total=8190 [2018-12-08 17:32:53,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 17:32:53,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 17:32:53,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 17:32:53,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 17:32:53,440 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2275 [2018-12-08 17:32:53,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:32:53,441 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 17:32:53,441 INFO L481 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-12-08 17:32:53,441 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 17:32:53,441 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 17:32:53,444 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 17:32:53,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:32:53,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:32:53,494 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:32:53,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:32:53,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:32:53,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:32:53,912 WARN L180 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 393 [2018-12-08 17:32:53,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:32:54,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:32:54,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:32:54,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:32:54,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:32:54,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:32:54,766 WARN L180 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 420 [2018-12-08 17:32:57,187 WARN L180 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 394 DAG size of output: 101 [2018-12-08 17:32:59,341 WARN L180 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 450 DAG size of output: 113 [2018-12-08 17:33:01,243 WARN L180 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 442 DAG size of output: 112 [2018-12-08 17:33:05,822 WARN L180 SmtUtils]: Spent 4.57 s on a formula simplification. DAG size of input: 471 DAG size of output: 135 [2018-12-08 17:33:09,742 WARN L180 SmtUtils]: Spent 3.89 s on a formula simplification. DAG size of input: 418 DAG size of output: 98 [2018-12-08 17:33:09,743 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 17:33:09,744 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (= ~a18~0 |old(~a18~0)|) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0)) [2018-12-08 17:33:09,744 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 17:33:09,744 INFO L448 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-12-08 17:33:09,744 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-12-08 17:33:09,744 INFO L448 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-12-08 17:33:09,744 INFO L448 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-12-08 17:33:09,744 INFO L448 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-12-08 17:33:09,744 INFO L448 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-12-08 17:33:09,744 INFO L448 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-12-08 17:33:09,744 INFO L448 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-12-08 17:33:09,744 INFO L448 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-12-08 17:33:09,744 INFO L448 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-12-08 17:33:09,744 INFO L448 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-12-08 17:33:09,745 INFO L448 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-12-08 17:33:09,745 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-12-08 17:33:09,745 INFO L448 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-12-08 17:33:09,745 INFO L448 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-12-08 17:33:09,745 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-12-08 17:33:09,745 INFO L448 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-12-08 17:33:09,745 INFO L448 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-12-08 17:33:09,745 INFO L448 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-12-08 17:33:09,745 INFO L448 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-12-08 17:33:09,745 INFO L448 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-12-08 17:33:09,745 INFO L448 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-12-08 17:33:09,745 INFO L448 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-12-08 17:33:09,745 INFO L448 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-12-08 17:33:09,745 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-12-08 17:33:09,745 INFO L448 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-12-08 17:33:09,745 INFO L448 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-12-08 17:33:09,745 INFO L448 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-12-08 17:33:09,746 INFO L448 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-12-08 17:33:09,746 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse7 (= |old(~a15~0)| ~a15~0)) (.cse5 (= ~a16~0 |old(~a16~0)|)) (.cse6 (= ~a18~0 |old(~a18~0)|)) (.cse12 (= |old(~a12~0)| ~a12~0)) (.cse20 (= 8 |old(~a12~0)|)) (.cse17 (= 6 |old(~a12~0)|))) (let ((.cse9 (not (= 5 |old(~a12~0)|))) (.cse13 (not .cse17)) (.cse19 (not (= 9 |old(~a16~0)|))) (.cse15 (not (= 7 |old(~a12~0)|))) (.cse18 (not .cse20)) (.cse2 (< 0 (+ |old(~a18~0)| 79))) (.cse8 (not (= 3 |old(~a15~0)|))) (.cse11 (= 3 ~a15~0)) (.cse1 (= 12 |old(~a16~0)|)) (.cse3 (< 7 |old(~a12~0)|)) (.cse4 (= 11 |old(~a16~0)|)) (.cse16 (not (= 9 |old(~a12~0)|))) (.cse0 (and .cse7 .cse5 .cse6 .cse12)) (.cse10 (not (= 8 |old(~a16~0)|))) (.cse14 (= 4 |old(~a15~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (and .cse5 .cse6 (= ~a12~0 5) .cse7) .cse8 .cse9) (or .cse0 (or .cse9 .cse10)) (or .cse8 .cse2 (and .cse5 .cse11 .cse6 .cse12) .cse13) (or .cse14 (not .cse1) (< |old(~a12~0)| 6) .cse0) (or .cse14 .cse15 .cse0) (or .cse1 .cse0 .cse13 .cse4 (< |old(~a15~0)| 4)) (or .cse10 .cse16 .cse0) (or (and (and .cse5 .cse12) .cse6 (= ~a15~0 |old(~a15~0)|)) (or .cse17 .cse1 .cse14 .cse4)) (or (or .cse14 .cse18) .cse0) (or .cse0 (or .cse15 .cse19)) (or (or .cse18 .cse19) .cse0) (or .cse10 .cse15 .cse0) (or .cse10 .cse18 .cse0) (or .cse1 .cse20 (= 10 |old(~a16~0)|) .cse2 .cse0 .cse4) (or .cse1 .cse8 (<= |old(~a18~0)| 134) (and .cse5 .cse11 (or (<= (+ ~a18~0 79) 0) (< 134 ~a18~0)) .cse12) .cse4) (or .cse17 .cse1 (forall ((v_~a18~0_1172 Int)) (or (not (= (+ (* 3 v_~a18~0_1172) 599175) |old(~a18~0)|)) (< 0 (+ v_~a18~0_1172 79)) (<= (+ v_~a18~0_1172 156) 0))) .cse0 .cse3 .cse4) (or .cse14 .cse16 .cse0) (or .cse10 .cse14 (and (= |old(~a16~0)| ~a16~0) .cse7 .cse12))))) [2018-12-08 17:33:09,746 INFO L448 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-12-08 17:33:09,746 INFO L448 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-12-08 17:33:09,746 INFO L448 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-12-08 17:33:09,746 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-12-08 17:33:09,746 INFO L448 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-12-08 17:33:09,746 INFO L448 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-12-08 17:33:09,746 INFO L448 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-12-08 17:33:09,746 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-12-08 17:33:09,746 INFO L448 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-12-08 17:33:09,747 INFO L448 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-12-08 17:33:09,747 INFO L448 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-12-08 17:33:09,747 INFO L448 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-12-08 17:33:09,747 INFO L448 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-12-08 17:33:09,747 INFO L448 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-12-08 17:33:09,747 INFO L448 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-12-08 17:33:09,747 INFO L448 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-12-08 17:33:09,747 INFO L448 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-12-08 17:33:09,747 INFO L448 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,747 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,747 INFO L448 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,747 INFO L448 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,747 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,747 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,747 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,747 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,747 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,747 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,748 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,748 INFO L448 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,748 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,748 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-08 17:33:09,748 INFO L448 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,748 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-08 17:33:09,748 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-08 17:33:09,748 INFO L444 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse9 (= 11 |old(~a16~0)|)) (.cse10 (= 8 |old(~a12~0)|))) (let ((.cse6 (= 6 |old(~a12~0)|)) (.cse22 (= |old(~a15~0)| ~a15~0)) (.cse16 (= ~a16~0 |old(~a16~0)|)) (.cse5 (= ~a18~0 |old(~a18~0)|)) (.cse4 (= |old(~a12~0)| ~a12~0)) (.cse8 (= 4 |old(~a15~0)|)) (.cse24 (not .cse10)) (.cse19 (not .cse9)) (.cse7 (= 12 |old(~a16~0)|))) (let ((.cse21 (not .cse7)) (.cse12 (not (= 7 |old(~a12~0)|))) (.cse1 (not (= 5 |old(~a12~0)|))) (.cse18 (= |calculate_output_#in~input| 0)) (.cse20 (not (= calculate_output_~input 0))) (.cse17 (= 3 ~a15~0)) (.cse13 (not (= 9 |old(~a12~0)|))) (.cse11 (< 0 (+ |old(~a18~0)| 79))) (.cse25 (< 7 |old(~a12~0)|)) (.cse14 (not (= 3 |old(~a15~0)|))) (.cse26 (or .cse8 .cse24 .cse19)) (.cse23 (not (= 9 |old(~a16~0)|))) (.cse0 (and .cse22 .cse16 .cse5 .cse4)) (.cse15 (not .cse6)) (.cse2 (not (= 8 |old(~a16~0)|))) (.cse3 (= |old(~a16~0)| ~a16~0))) (and (or .cse0 (or .cse1 .cse2)) (or (and (and .cse3 .cse4) .cse5 (= ~a15~0 |old(~a15~0)|)) (or .cse6 .cse7 .cse8 .cse9)) (or .cse7 .cse10 .cse0 (= 10 |old(~a16~0)|) .cse11 .cse9) (or .cse8 .cse12 .cse0) (or .cse2 .cse13 .cse0) (or .cse14 .cse11 .cse15 (and .cse16 .cse17 .cse5 .cse4)) (or .cse18 (or .cse14 .cse19) (not (= (+ |old(~a18~0)| 87) 0)) .cse20 .cse15) (or .cse14 .cse1 .cse21 (and .cse22 .cse20 .cse16 .cse5 .cse4) .cse18) (or .cse0 .cse8 .cse21 (< |old(~a12~0)| 6)) (or .cse2 .cse12 .cse0) (or .cse0 (or .cse12 .cse23)) (or .cse2 .cse24 .cse0) (or .cse20 (or (or .cse2 .cse14 .cse1) .cse18)) (or .cse14 .cse1 .cse19 .cse18 (and .cse20 .cse16 .cse5 (= ~a12~0 5) .cse22)) (or .cse7 .cse14 (<= |old(~a18~0)| 134) (and .cse16 .cse17 (or (<= (+ ~a18~0 79) 0) (< 134 ~a18~0)) .cse4) .cse9) (or .cse6 .cse7 (forall ((v_~a18~0_1172 Int)) (or (not (= (+ (* 3 v_~a18~0_1172) 599175) |old(~a18~0)|)) (< 0 (+ v_~a18~0_1172 79)) (<= (+ v_~a18~0_1172 156) 0))) .cse0 .cse25 .cse9) (or .cse8 .cse13 .cse0) (or .cse0 .cse26) (or .cse7 .cse11 .cse0 .cse25 .cse9) (or .cse14 (or (not (= calculate_output_~input 3)) (< 0 (+ ~a18~0 156))) .cse26) (or .cse0 (or .cse24 .cse23)) (or .cse0 .cse7 .cse15 .cse9 (< |old(~a15~0)| 4)) (or .cse2 .cse8 (and .cse3 .cse22 .cse4)))))) [2018-12-08 17:33:09,748 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,748 INFO L448 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-12-08 17:33:09,748 INFO L448 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,749 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,749 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,749 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,749 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,749 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,749 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,749 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-08 17:33:09,749 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-08 17:33:09,749 INFO L448 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,749 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-08 17:33:09,749 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,749 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,749 INFO L448 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,749 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,749 INFO L448 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,749 INFO L448 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,749 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,750 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,750 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,750 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,750 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,750 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,750 INFO L448 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,750 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,750 INFO L448 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,750 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-08 17:33:09,750 INFO L448 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,750 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-08 17:33:09,750 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-08 17:33:09,750 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,750 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,750 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,750 INFO L448 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,750 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,750 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,751 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,751 INFO L448 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,751 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,751 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,751 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-08 17:33:09,751 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-08 17:33:09,751 INFO L448 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,751 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-08 17:33:09,751 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,751 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,751 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,751 INFO L448 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,751 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,751 INFO L448 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,751 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,751 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,751 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,752 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,752 INFO L448 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,752 INFO L448 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,752 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-08 17:33:09,752 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,752 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-08 17:33:09,752 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-08 17:33:09,752 INFO L448 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,752 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,752 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,752 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,752 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,752 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,752 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,752 INFO L448 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,752 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,752 INFO L448 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,752 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,753 INFO L448 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,753 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-08 17:33:09,753 INFO L448 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,753 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-08 17:33:09,753 INFO L448 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,753 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-08 17:33:09,753 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,753 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,753 INFO L448 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,753 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,753 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,753 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,753 INFO L448 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,753 INFO L448 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,753 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,753 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,753 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,754 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,754 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,754 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-08 17:33:09,754 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-08 17:33:09,754 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-08 17:33:09,754 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,754 INFO L448 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,754 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,754 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,754 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,754 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,754 INFO L448 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,754 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,754 INFO L448 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,754 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,754 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,754 INFO L448 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,754 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-08 17:33:09,755 INFO L448 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,755 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-08 17:33:09,755 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-08 17:33:09,755 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,755 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,755 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,755 INFO L448 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,755 INFO L448 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,755 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,755 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse17 (= |old(~a15~0)| ~a15~0)) (.cse8 (= ~a16~0 |old(~a16~0)|)) (.cse10 (= ~a18~0 |old(~a18~0)|)) (.cse11 (= |old(~a12~0)| ~a12~0)) (.cse21 (= 8 |old(~a12~0)|)) (.cse15 (= 6 |old(~a12~0)|))) (let ((.cse12 (not .cse15)) (.cse20 (not (= 9 |old(~a16~0)|))) (.cse14 (not (= 7 |old(~a12~0)|))) (.cse19 (not .cse21)) (.cse2 (< 0 (+ |old(~a18~0)| 79))) (.cse9 (= 3 ~a15~0)) (.cse1 (= 12 |old(~a16~0)|)) (.cse3 (< 7 |old(~a12~0)|)) (.cse4 (= 11 |old(~a16~0)|)) (.cse18 (not (= 9 |old(~a12~0)|))) (.cse0 (and .cse17 .cse8 .cse10 .cse11)) (.cse7 (not (= 3 |old(~a15~0)|))) (.cse5 (not (= 5 |old(~a12~0)|))) (.cse6 (not (= 8 |old(~a16~0)|))) (.cse13 (= 4 |old(~a15~0)|)) (.cse16 (= |old(~a16~0)| ~a16~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (or .cse5 .cse6)) (or .cse7 .cse2 (and .cse8 .cse9 .cse10 .cse11) .cse12) (or .cse13 (not .cse1) (< |old(~a12~0)| 6) .cse0) (or .cse13 .cse14 .cse0) (or .cse1 .cse0 .cse12 .cse4 (< |old(~a15~0)| 4)) (or (or .cse15 .cse1 .cse13 .cse4) (and (and .cse16 .cse17) .cse10 .cse11)) (or .cse6 .cse18 .cse0) (or (or .cse13 .cse19) .cse0) (or .cse0 (or .cse14 .cse20)) (or (or .cse19 .cse20) .cse0) (or .cse6 .cse14 .cse0) (or .cse6 .cse19 .cse0) (or .cse1 .cse21 (= 10 |old(~a16~0)|) .cse2 .cse0 .cse4) (or .cse1 .cse7 (<= |old(~a18~0)| 134) (and .cse8 .cse9 (or (<= (+ ~a18~0 79) 0) (< 134 ~a18~0)) .cse11) .cse4) (or .cse15 .cse1 (forall ((v_~a18~0_1172 Int)) (or (not (= (+ (* 3 v_~a18~0_1172) 599175) |old(~a18~0)|)) (< 0 (+ v_~a18~0_1172 79)) (<= (+ v_~a18~0_1172 156) 0))) .cse0 .cse3 .cse4) (or .cse13 .cse18 .cse0) (or .cse7 .cse5 (= |calculate_output_#in~input| 0) (and .cse8 .cse10 (= ~a12~0 5) .cse17)) (or .cse6 .cse13 (and .cse16 .cse17 .cse11))))) [2018-12-08 17:33:09,755 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,755 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,755 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,756 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,756 INFO L448 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,756 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,756 INFO L448 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,756 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,756 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,756 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-08 17:33:09,756 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-08 17:33:09,756 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-08 17:33:09,756 INFO L448 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,756 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,756 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,756 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,756 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,756 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,756 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,756 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,756 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,757 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,757 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,757 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-08 17:33:09,757 INFO L448 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,757 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-08 17:33:09,757 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-08 17:33:09,757 INFO L448 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,757 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,757 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,757 INFO L448 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,757 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,757 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,757 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,757 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,757 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,757 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,757 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,757 INFO L448 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,758 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-08 17:33:09,758 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-08 17:33:09,758 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-08 17:33:09,758 INFO L448 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,758 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,758 INFO L448 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,758 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,758 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,758 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,758 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,758 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,758 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,758 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,758 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,758 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,758 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-08 17:33:09,758 INFO L448 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,758 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-08 17:33:09,759 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-08 17:33:09,759 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,759 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,759 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,759 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,759 INFO L448 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,759 INFO L448 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,759 INFO L448 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,759 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,759 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,759 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,759 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,759 INFO L448 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,759 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-12-08 17:33:09,759 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-08 17:33:09,760 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-08 17:33:09,760 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,760 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,760 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,760 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,760 INFO L448 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,760 INFO L448 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,760 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 166) no Hoare annotation was computed. [2018-12-08 17:33:09,760 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,760 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,760 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,760 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,760 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,760 INFO L448 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,760 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,760 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-08 17:33:09,760 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-08 17:33:09,761 INFO L448 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,761 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,761 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,761 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,761 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,761 INFO L448 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,761 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,761 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,761 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,761 INFO L448 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,761 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-08 17:33:09,761 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-08 17:33:09,761 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,761 INFO L448 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,761 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,761 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,762 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,762 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,762 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,762 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,762 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,762 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,762 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,762 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,762 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,762 INFO L448 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,762 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-08 17:33:09,762 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-08 17:33:09,762 INFO L448 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,762 INFO L448 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,762 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,762 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,762 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,762 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,763 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,763 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,763 INFO L448 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,763 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,763 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-08 17:33:09,763 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-08 17:33:09,763 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,763 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,763 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,763 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,763 INFO L448 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,763 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,763 INFO L448 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,763 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,763 INFO L448 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,763 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,763 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,763 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,764 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,764 INFO L448 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,764 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,764 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-08 17:33:09,764 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-08 17:33:09,764 INFO L448 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,764 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,764 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,764 INFO L448 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,764 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,764 INFO L448 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,764 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,764 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,764 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-12-08 17:33:09,764 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,764 INFO L448 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,764 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,764 INFO L448 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,765 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-08 17:33:09,765 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-08 17:33:09,765 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-08 17:33:09,765 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,765 INFO L448 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,765 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,765 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,765 INFO L448 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,765 INFO L448 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,765 INFO L448 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,765 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,765 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,765 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,765 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,765 INFO L448 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,765 INFO L448 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,765 INFO L448 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,765 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-08 17:33:09,765 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-08 17:33:09,765 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-08 17:33:09,765 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,766 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,766 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,766 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,766 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,766 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,766 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,766 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,766 INFO L448 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,766 INFO L448 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,766 INFO L448 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,766 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,766 INFO L448 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,766 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,766 INFO L448 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,766 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-08 17:33:09,766 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-08 17:33:09,766 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-08 17:33:09,766 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,766 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,766 INFO L448 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,766 INFO L448 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,766 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,766 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,766 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,766 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,766 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-12-08 17:33:09,766 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-08 17:33:09,766 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-08 17:33:09,767 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-08 17:33:09,767 INFO L448 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,767 INFO L448 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,767 INFO L448 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-12-08 17:33:09,767 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 17:33:09,767 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (let ((.cse0 (+ ~a18~0 87))) (and (<= .cse0 0) (<= 0 .cse0) (= ~a16~0 11) (= 3 ~a15~0) (= ~a12~0 5))) [2018-12-08 17:33:09,767 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 17:33:09,767 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 17:33:09,767 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (let ((.cse0 (+ ~a18~0 87))) (and (<= .cse0 0) (<= 0 .cse0) (= ~a16~0 |old(~a16~0)|) (= 3 ~a15~0) (= |old(~a12~0)| ~a12~0)))) [2018-12-08 17:33:09,767 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-12-08 17:33:09,767 INFO L444 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse5 (= 9 ~a16~0)) (.cse9 (<= ~a12~0 7)) (.cse1 (not (= ~a15~0 4))) (.cse10 (+ |old(~a18~0)| 87)) (.cse2 (= 8 ~a12~0)) (.cse11 (<= 4 ~a15~0)) (.cse16 (= 6 ~a12~0)) (.cse12 (<= |old(~a18~0)| ~a18~0)) (.cse3 (= |old(~a15~0)| ~a15~0)) (.cse0 (= 8 ~a16~0)) (.cse4 (= 7 ~a12~0)) (.cse13 (not (= main_~input~0 0))) (.cse17 (= ~a15~0 3)) (.cse14 (= ~a12~0 5)) (.cse15 (= 12 ~a16~0)) (.cse6 (<= (+ ~a18~0 79) 0)) (.cse7 (not (= ~a16~0 11))) (.cse8 (not (= ~a16~0 12)))) (or (not (= 11 |old(~a16~0)|)) (and .cse0 .cse1) (not (= 3 |old(~a15~0)|)) (and .cse2 .cse3) (and (= 5 ~a12~0) .cse0) (and .cse4 .cse5) (and .cse0 (= 9 ~a12~0)) (and .cse6 .cse7 .cse8 .cse9) (not (= 5 |old(~a12~0)|)) (and .cse5 .cse2) (< 0 .cse10) (and (= ~a12~0 9) .cse3) (and (exists ((v_~a18~0_1172 Int)) (and (< 0 (+ v_~a18~0_1172 156)) (<= (+ v_~a18~0_1172 79) 0) (= ~a18~0 (+ (* 3 v_~a18~0_1172) 599175)))) .cse7 .cse11 .cse8 .cse9) (and .cse12 .cse13 .cse14 (= ~a15~0 |old(~a15~0)|)) (and .cse7 (not (= ~a12~0 6)) .cse1 .cse8) (and .cse15 .cse1 (<= 6 ~a12~0)) (< .cse10 0) (and .cse2 .cse0) (and .cse16 .cse7 .cse11 .cse8) (and .cse16 .cse6 .cse12 .cse3) (and .cse4 .cse3) (and .cse7 .cse17 .cse8 (< 134 ~a18~0)) (and .cse0 .cse4) (and .cse13 .cse17 .cse14 .cse15) (and (not (= 10 ~a16~0)) (not (= ~a12~0 8)) .cse6 .cse7 .cse8))) [2018-12-08 17:33:09,767 INFO L448 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-12-08 17:33:09,767 INFO L448 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-12-08 17:33:09,767 INFO L444 ceAbstractionStarter]: At program point L1773-2(lines 1773 1782) the Hoare annotation is: (let ((.cse5 (= 9 ~a16~0)) (.cse9 (<= ~a12~0 7)) (.cse13 (+ |old(~a18~0)| 87)) (.cse2 (= 8 ~a12~0)) (.cse14 (<= 4 ~a15~0)) (.cse16 (= 6 ~a12~0)) (.cse10 (<= |old(~a18~0)| ~a18~0)) (.cse1 (not (= ~a15~0 4))) (.cse3 (= |old(~a15~0)| ~a15~0)) (.cse0 (= 8 ~a16~0)) (.cse4 (= 7 ~a12~0)) (.cse6 (<= (+ ~a18~0 79) 0)) (.cse7 (not (= ~a16~0 11))) (.cse8 (not (= ~a16~0 12))) (.cse11 (= ~a15~0 3)) (.cse12 (= ~a12~0 5)) (.cse15 (= 12 ~a16~0))) (or (not (= 11 |old(~a16~0)|)) (and .cse0 .cse1) (not (= 3 |old(~a15~0)|)) (and .cse2 .cse3) (and (= 5 ~a12~0) .cse0) (and .cse4 .cse5) (and .cse0 (= 9 ~a12~0)) (and .cse6 .cse7 .cse8 .cse9) (and .cse10 (and .cse11 .cse12)) (not (= 5 |old(~a12~0)|)) (and .cse5 .cse2) (< 0 .cse13) (and (= ~a12~0 9) .cse3) (and (exists ((v_~a18~0_1172 Int)) (and (< 0 (+ v_~a18~0_1172 156)) (<= (+ v_~a18~0_1172 79) 0) (= ~a18~0 (+ (* 3 v_~a18~0_1172) 599175)))) .cse7 .cse14 .cse8 .cse9) (and .cse15 .cse1 (<= 6 ~a12~0)) (< .cse13 0) (and .cse2 .cse0) (and .cse16 .cse7 .cse14 .cse8) (and .cse16 .cse6 .cse10 .cse3) (and .cse7 (not (= ~a12~0 6)) .cse1 .cse8) (and .cse4 .cse3) (and .cse7 .cse11 .cse8 (< 134 ~a18~0)) (and .cse0 .cse4) (and (not (= 10 ~a16~0)) (not (= ~a12~0 8)) .cse6 .cse7 .cse8) (and .cse11 .cse12 .cse15))) [2018-12-08 17:33:09,767 INFO L448 ceAbstractionStarter]: For program point L1773-3(lines 1767 1783) no Hoare annotation was computed. [2018-12-08 17:33:09,770 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] [2018-12-08 17:33:09,771 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] [2018-12-08 17:33:09,771 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] [2018-12-08 17:33:09,775 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] [2018-12-08 17:33:09,775 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] [2018-12-08 17:33:09,775 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] [2018-12-08 17:33:09,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 05:33:09 BoogieIcfgContainer [2018-12-08 17:33:09,777 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 17:33:09,777 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 17:33:09,777 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 17:33:09,777 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 17:33:09,778 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:27:29" (3/4) ... [2018-12-08 17:33:09,780 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 17:33:09,784 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 17:33:09,784 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-12-08 17:33:09,784 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-08 17:33:09,784 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 17:33:09,796 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-08 17:33:09,797 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-08 17:33:09,815 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((!(11 == \old(a16)) || (8 == a16 && !(a15 == 4))) || !(3 == \old(a15))) || (8 == a12 && \old(a15) == a15)) || (5 == a12 && 8 == a16)) || (7 == a12 && 9 == a16)) || (8 == a16 && 9 == a12)) || (((a18 + 79 <= 0 && !(a16 == 11)) && !(a16 == 12)) && a12 <= 7)) || (\old(a18) <= a18 && a15 == 3 && a12 == 5)) || !(5 == \old(a12))) || (9 == a16 && 8 == a12)) || 0 < \old(a18) + 87) || (a12 == 9 && \old(a15) == a15)) || (((((\exists v_~a18~0_1172 : int :: (0 < v_~a18~0_1172 + 156 && v_~a18~0_1172 + 79 <= 0) && a18 == 3 * v_~a18~0_1172 + 599175) && !(a16 == 11)) && 4 <= a15) && !(a16 == 12)) && a12 <= 7)) || ((12 == a16 && !(a15 == 4)) && 6 <= a12)) || \old(a18) + 87 < 0) || (8 == a12 && 8 == a16)) || (((6 == a12 && !(a16 == 11)) && 4 <= a15) && !(a16 == 12))) || (((6 == a12 && a18 + 79 <= 0) && \old(a18) <= a18) && \old(a15) == a15)) || (((!(a16 == 11) && !(a12 == 6)) && !(a15 == 4)) && !(a16 == 12))) || (7 == a12 && \old(a15) == a15)) || (((!(a16 == 11) && a15 == 3) && !(a16 == 12)) && 134 < a18)) || (8 == a16 && 7 == a12)) || ((((!(10 == a16) && !(a12 == 8)) && a18 + 79 <= 0) && !(a16 == 11)) && !(a16 == 12))) || ((a15 == 3 && a12 == 5) && 12 == a16) [2018-12-08 17:33:09,888 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b91b7d1d-5727-47ca-9f36-148c7608ac96/bin-2019/utaipan/witness.graphml [2018-12-08 17:33:09,888 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 17:33:09,888 INFO L168 Benchmark]: Toolchain (without parser) took 341979.52 ms. Allocated memory was 1.0 GB in the beginning and 5.3 GB in the end (delta: 4.3 GB). Free memory was 941.6 MB in the beginning and 3.8 GB in the end (delta: -2.9 GB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-12-08 17:33:09,889 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:33:09,889 INFO L168 Benchmark]: CACSL2BoogieTranslator took 585.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -157.0 MB). Peak memory consumption was 67.8 MB. Max. memory is 11.5 GB. [2018-12-08 17:33:09,889 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.84 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: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2018-12-08 17:33:09,889 INFO L168 Benchmark]: Boogie Preprocessor took 58.14 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: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 11.5 GB. [2018-12-08 17:33:09,889 INFO L168 Benchmark]: RCFGBuilder took 1354.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 841.9 MB in the end (delta: 240.6 MB). Peak memory consumption was 240.6 MB. Max. memory is 11.5 GB. [2018-12-08 17:33:09,889 INFO L168 Benchmark]: TraceAbstraction took 339840.62 ms. Allocated memory was 1.2 GB in the beginning and 5.3 GB in the end (delta: 4.1 GB). Free memory was 841.9 MB in the beginning and 3.9 GB in the end (delta: -3.0 GB). Peak memory consumption was 4.0 GB. Max. memory is 11.5 GB. [2018-12-08 17:33:09,890 INFO L168 Benchmark]: Witness Printer took 110.64 ms. Allocated memory is still 5.3 GB. Free memory was 3.9 GB in the beginning and 3.8 GB in the end (delta: 81.3 MB). Peak memory consumption was 81.3 MB. Max. memory is 11.5 GB. [2018-12-08 17:33:09,891 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 585.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -157.0 MB). Peak memory consumption was 67.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.84 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: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 58.14 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: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1354.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 841.9 MB in the end (delta: 240.6 MB). Peak memory consumption was 240.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 339840.62 ms. Allocated memory was 1.2 GB in the beginning and 5.3 GB in the end (delta: 4.1 GB). Free memory was 841.9 MB in the beginning and 3.9 GB in the end (delta: -3.0 GB). Peak memory consumption was 4.0 GB. Max. memory is 11.5 GB. * Witness Printer took 110.64 ms. Allocated memory is still 5.3 GB. Free memory was 3.9 GB in the beginning and 3.8 GB in the end (delta: 81.3 MB). Peak memory consumption was 81.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 166]: 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: 1773]: Loop Invariant [2018-12-08 17:33:09,893 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] [2018-12-08 17:33:09,893 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] [2018-12-08 17:33:09,893 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] [2018-12-08 17:33:09,894 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] [2018-12-08 17:33:09,894 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] [2018-12-08 17:33:09,894 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] Derived loop invariant: (((((((((((((((((((((((!(11 == \old(a16)) || (8 == a16 && !(a15 == 4))) || !(3 == \old(a15))) || (8 == a12 && \old(a15) == a15)) || (5 == a12 && 8 == a16)) || (7 == a12 && 9 == a16)) || (8 == a16 && 9 == a12)) || (((a18 + 79 <= 0 && !(a16 == 11)) && !(a16 == 12)) && a12 <= 7)) || (\old(a18) <= a18 && a15 == 3 && a12 == 5)) || !(5 == \old(a12))) || (9 == a16 && 8 == a12)) || 0 < \old(a18) + 87) || (a12 == 9 && \old(a15) == a15)) || (((((\exists v_~a18~0_1172 : int :: (0 < v_~a18~0_1172 + 156 && v_~a18~0_1172 + 79 <= 0) && a18 == 3 * v_~a18~0_1172 + 599175) && !(a16 == 11)) && 4 <= a15) && !(a16 == 12)) && a12 <= 7)) || ((12 == a16 && !(a15 == 4)) && 6 <= a12)) || \old(a18) + 87 < 0) || (8 == a12 && 8 == a16)) || (((6 == a12 && !(a16 == 11)) && 4 <= a15) && !(a16 == 12))) || (((6 == a12 && a18 + 79 <= 0) && \old(a18) <= a18) && \old(a15) == a15)) || (((!(a16 == 11) && !(a12 == 6)) && !(a15 == 4)) && !(a16 == 12))) || (7 == a12 && \old(a15) == a15)) || (((!(a16 == 11) && a15 == 3) && !(a16 == 12)) && 134 < a18)) || (8 == a16 && 7 == a12)) || ((((!(10 == a16) && !(a12 == 8)) && a18 + 79 <= 0) && !(a16 == 11)) && !(a16 == 12))) || ((a15 == 3 && a12 == 5) && 12 == a16) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 409 locations, 1 error locations. SAFE Result, 339.7s OverallTime, 19 OverallIterations, 13 TraceHistogramMax, 265.0s AutomataDifference, 0.0s DeadEndRemovalTime, 16.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 2121 SDtfs, 52076 SDslu, 3549 SDs, 0 SdLazy, 98714 SolverSat, 8443 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 227.8s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 31209 GetRequests, 30716 SyntacticMatches, 44 SemanticMatches, 449 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7633 ImplicationChecksByTransitivity, 12.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16413occurred in iteration=18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 7.6s AbstIntTime, 13 AbstIntIterations, 4 AbstIntStrong, 0.9983529942850988 AbsIntWeakeningRatio, 0.04995070653959908 AbsIntAvgWeakeningVarsNumRemoved, 16.194544857048964 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.7s AutomataMinimizationTime, 19 MinimizatonAttempts, 8492 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 1927 PreInvPairs, 2182 NumberOfFragments, 2215 HoareAnnotationTreeSize, 1927 FomulaSimplifications, 322258 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 9 FomulaSimplificationsInter, 300191 FormulaSimplificationTreeSizeReductionInter, 14.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.5s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 21.8s InterpolantComputationTime, 32235 NumberOfCodeBlocks, 32235 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 45958 ConstructedInterpolants, 68 QuantifiedInterpolants, 285638661 SizeOfPredicates, 8 NumberOfNonLiveVariables, 17675 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 37 InterpolantComputations, 8 PerfectInterpolantSequences, 122347/139798 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...