./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label08_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_a869a4b0-6e6a-4a13-a327-06eefaa884ad/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a869a4b0-6e6a-4a13-a327-06eefaa884ad/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a869a4b0-6e6a-4a13-a327-06eefaa884ad/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a869a4b0-6e6a-4a13-a327-06eefaa884ad/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label08_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a869a4b0-6e6a-4a13-a327-06eefaa884ad/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a869a4b0-6e6a-4a13-a327-06eefaa884ad/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 d9cc1dd0bb631e7337db73d708375fb42ff5290c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 17:35:48,066 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 17:35:48,067 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 17:35:48,073 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 17:35:48,073 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 17:35:48,074 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 17:35:48,074 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 17:35:48,075 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 17:35:48,076 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 17:35:48,076 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 17:35:48,077 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 17:35:48,077 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 17:35:48,077 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 17:35:48,078 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 17:35:48,078 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 17:35:48,079 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 17:35:48,079 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 17:35:48,080 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 17:35:48,081 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 17:35:48,082 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 17:35:48,082 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 17:35:48,083 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 17:35:48,084 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 17:35:48,084 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 17:35:48,084 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 17:35:48,084 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 17:35:48,085 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 17:35:48,085 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 17:35:48,086 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 17:35:48,086 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 17:35:48,086 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 17:35:48,086 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 17:35:48,087 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 17:35:48,087 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 17:35:48,087 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 17:35:48,087 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 17:35:48,088 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a869a4b0-6e6a-4a13-a327-06eefaa884ad/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 17:35:48,094 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 17:35:48,094 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 17:35:48,095 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 17:35:48,095 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 17:35:48,095 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 17:35:48,095 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 17:35:48,095 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 17:35:48,095 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 17:35:48,095 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 17:35:48,095 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 17:35:48,096 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 17:35:48,096 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 17:35:48,096 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 17:35:48,096 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 17:35:48,096 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 17:35:48,096 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 17:35:48,096 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 17:35:48,096 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 17:35:48,096 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 17:35:48,097 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 17:35:48,097 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 17:35:48,097 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 17:35:48,097 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 17:35:48,097 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 17:35:48,097 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 17:35:48,097 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 17:35:48,097 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 17:35:48,097 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 17:35:48,097 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 17:35:48,097 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 17:35:48,097 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 17:35:48,098 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 17:35:48,098 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 17:35:48,098 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 17:35:48,098 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 17:35:48,098 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 17:35:48,098 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_a869a4b0-6e6a-4a13-a327-06eefaa884ad/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 -> d9cc1dd0bb631e7337db73d708375fb42ff5290c [2018-12-09 17:35:48,114 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 17:35:48,121 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 17:35:48,123 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 17:35:48,124 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 17:35:48,124 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 17:35:48,125 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a869a4b0-6e6a-4a13-a327-06eefaa884ad/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem15_label08_true-unreach-call.c [2018-12-09 17:35:48,160 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a869a4b0-6e6a-4a13-a327-06eefaa884ad/bin-2019/utaipan/data/9546c76c0/36562e5cd4db4ed48f024d0d5815d88d/FLAGe6256da30 [2018-12-09 17:35:48,671 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 17:35:48,672 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a869a4b0-6e6a-4a13-a327-06eefaa884ad/sv-benchmarks/c/eca-rers2012/Problem15_label08_true-unreach-call.c [2018-12-09 17:35:48,682 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a869a4b0-6e6a-4a13-a327-06eefaa884ad/bin-2019/utaipan/data/9546c76c0/36562e5cd4db4ed48f024d0d5815d88d/FLAGe6256da30 [2018-12-09 17:35:49,194 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a869a4b0-6e6a-4a13-a327-06eefaa884ad/bin-2019/utaipan/data/9546c76c0/36562e5cd4db4ed48f024d0d5815d88d [2018-12-09 17:35:49,196 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 17:35:49,197 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 17:35:49,198 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 17:35:49,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 17:35:49,200 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 17:35:49,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:35:49" (1/1) ... [2018-12-09 17:35:49,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fdfc843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:35:49, skipping insertion in model container [2018-12-09 17:35:49,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:35:49" (1/1) ... [2018-12-09 17:35:49,207 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 17:35:49,251 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 17:35:49,598 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:35:49,601 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 17:35:49,801 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:35:49,812 INFO L195 MainTranslator]: Completed translation [2018-12-09 17:35:49,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:35:49 WrapperNode [2018-12-09 17:35:49,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 17:35:49,813 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 17:35:49,813 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 17:35:49,813 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 17:35:49,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:35:49" (1/1) ... [2018-12-09 17:35:49,837 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:35:49" (1/1) ... [2018-12-09 17:35:49,844 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 17:35:49,844 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 17:35:49,844 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 17:35:49,845 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 17:35:49,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:35:49" (1/1) ... [2018-12-09 17:35:49,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:35:49" (1/1) ... [2018-12-09 17:35:49,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:35:49" (1/1) ... [2018-12-09 17:35:49,856 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:35:49" (1/1) ... [2018-12-09 17:35:49,891 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:35:49" (1/1) ... [2018-12-09 17:35:49,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:35:49" (1/1) ... [2018-12-09 17:35:49,915 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:35:49" (1/1) ... [2018-12-09 17:35:49,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 17:35:49,926 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 17:35:49,926 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 17:35:49,926 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 17:35:49,926 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:35:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a869a4b0-6e6a-4a13-a327-06eefaa884ad/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 17:35:49,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 17:35:49,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 17:35:49,967 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-12-09 17:35:49,967 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-12-09 17:35:49,967 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 17:35:49,968 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 17:35:49,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 17:35:49,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 17:35:49,968 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 17:35:49,968 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 17:35:51,578 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 17:35:51,578 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 17:35:51,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:35:51 BoogieIcfgContainer [2018-12-09 17:35:51,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 17:35:51,579 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 17:35:51,579 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 17:35:51,580 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 17:35:51,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 05:35:49" (1/3) ... [2018-12-09 17:35:51,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35dde29e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:35:51, skipping insertion in model container [2018-12-09 17:35:51,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:35:49" (2/3) ... [2018-12-09 17:35:51,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35dde29e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:35:51, skipping insertion in model container [2018-12-09 17:35:51,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:35:51" (3/3) ... [2018-12-09 17:35:51,582 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label08_true-unreach-call.c [2018-12-09 17:35:51,588 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 17:35:51,593 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 17:35:51,602 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 17:35:51,623 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 17:35:51,623 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 17:35:51,623 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 17:35:51,623 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 17:35:51,623 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 17:35:51,624 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 17:35:51,624 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 17:35:51,624 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 17:35:51,639 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states. [2018-12-09 17:35:51,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 17:35:51,644 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:35:51,645 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] [2018-12-09 17:35:51,646 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:35:51,649 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:35:51,650 INFO L82 PathProgramCache]: Analyzing trace with hash 192141165, now seen corresponding path program 1 times [2018-12-09 17:35:51,651 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:35:51,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:35:51,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:35:51,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:35:51,679 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:35:51,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:35:51,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:35:51,819 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:35:51,819 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 17:35:51,819 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:35:51,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 17:35:51,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 17:35:51,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 17:35:51,837 INFO L87 Difference]: Start difference. First operand 437 states. Second operand 3 states. [2018-12-09 17:35:53,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:35:53,276 INFO L93 Difference]: Finished difference Result 1191 states and 2149 transitions. [2018-12-09 17:35:53,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 17:35:53,277 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2018-12-09 17:35:53,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:35:53,287 INFO L225 Difference]: With dead ends: 1191 [2018-12-09 17:35:53,287 INFO L226 Difference]: Without dead ends: 692 [2018-12-09 17:35:53,291 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 17:35:53,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2018-12-09 17:35:53,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 690. [2018-12-09 17:35:53,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 690 states. [2018-12-09 17:35:53,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 1154 transitions. [2018-12-09 17:35:53,338 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 1154 transitions. Word has length 57 [2018-12-09 17:35:53,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:35:53,338 INFO L480 AbstractCegarLoop]: Abstraction has 690 states and 1154 transitions. [2018-12-09 17:35:53,339 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 17:35:53,339 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 1154 transitions. [2018-12-09 17:35:53,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-09 17:35:53,341 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:35:53,341 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:35:53,341 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:35:53,342 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:35:53,342 INFO L82 PathProgramCache]: Analyzing trace with hash 1869763890, now seen corresponding path program 1 times [2018-12-09 17:35:53,342 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:35:53,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:35:53,342 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:35:53,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:35:53,343 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:35:53,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:35:53,435 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:35:53,436 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:35:53,436 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 17:35:53,436 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:35:53,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 17:35:53,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 17:35:53,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-09 17:35:53,437 INFO L87 Difference]: Start difference. First operand 690 states and 1154 transitions. Second operand 6 states. [2018-12-09 17:35:56,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:35:56,269 INFO L93 Difference]: Finished difference Result 2057 states and 3487 transitions. [2018-12-09 17:35:56,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 17:35:56,269 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 130 [2018-12-09 17:35:56,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:35:56,277 INFO L225 Difference]: With dead ends: 2057 [2018-12-09 17:35:56,277 INFO L226 Difference]: Without dead ends: 1373 [2018-12-09 17:35:56,280 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-09 17:35:56,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1373 states. [2018-12-09 17:35:56,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1373 to 1342. [2018-12-09 17:35:56,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1342 states. [2018-12-09 17:35:56,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1342 states and 2245 transitions. [2018-12-09 17:35:56,322 INFO L78 Accepts]: Start accepts. Automaton has 1342 states and 2245 transitions. Word has length 130 [2018-12-09 17:35:56,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:35:56,322 INFO L480 AbstractCegarLoop]: Abstraction has 1342 states and 2245 transitions. [2018-12-09 17:35:56,322 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 17:35:56,323 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 2245 transitions. [2018-12-09 17:35:56,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-09 17:35:56,325 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:35:56,325 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:35:56,325 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:35:56,325 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:35:56,325 INFO L82 PathProgramCache]: Analyzing trace with hash 601746521, now seen corresponding path program 1 times [2018-12-09 17:35:56,326 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:35:56,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:35:56,326 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:35:56,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:35:56,327 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:35:56,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:35:56,402 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:35:56,402 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:35:56,402 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 17:35:56,403 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:35:56,403 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 17:35:56,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 17:35:56,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 17:35:56,404 INFO L87 Difference]: Start difference. First operand 1342 states and 2245 transitions. Second operand 5 states. [2018-12-09 17:35:59,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:35:59,808 INFO L93 Difference]: Finished difference Result 3990 states and 6801 transitions. [2018-12-09 17:35:59,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 17:35:59,808 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2018-12-09 17:35:59,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:35:59,815 INFO L225 Difference]: With dead ends: 3990 [2018-12-09 17:35:59,815 INFO L226 Difference]: Without dead ends: 2654 [2018-12-09 17:35:59,817 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-09 17:35:59,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2654 states. [2018-12-09 17:35:59,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2654 to 2615. [2018-12-09 17:35:59,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2615 states. [2018-12-09 17:35:59,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2615 states to 2615 states and 3768 transitions. [2018-12-09 17:35:59,854 INFO L78 Accepts]: Start accepts. Automaton has 2615 states and 3768 transitions. Word has length 133 [2018-12-09 17:35:59,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:35:59,855 INFO L480 AbstractCegarLoop]: Abstraction has 2615 states and 3768 transitions. [2018-12-09 17:35:59,855 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 17:35:59,855 INFO L276 IsEmpty]: Start isEmpty. Operand 2615 states and 3768 transitions. [2018-12-09 17:35:59,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-09 17:35:59,856 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:35:59,856 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:35:59,856 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:35:59,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:35:59,856 INFO L82 PathProgramCache]: Analyzing trace with hash -286591957, now seen corresponding path program 1 times [2018-12-09 17:35:59,857 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:35:59,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:35:59,857 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:35:59,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:35:59,857 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:35:59,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:35:59,938 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:35:59,938 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:35:59,938 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 17:35:59,938 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:35:59,938 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 17:35:59,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 17:35:59,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 17:35:59,939 INFO L87 Difference]: Start difference. First operand 2615 states and 3768 transitions. Second operand 6 states. [2018-12-09 17:36:02,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:36:02,505 INFO L93 Difference]: Finished difference Result 6572 states and 9809 transitions. [2018-12-09 17:36:02,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 17:36:02,505 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 143 [2018-12-09 17:36:02,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:36:02,515 INFO L225 Difference]: With dead ends: 6572 [2018-12-09 17:36:02,515 INFO L226 Difference]: Without dead ends: 3963 [2018-12-09 17:36:02,519 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-09 17:36:02,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3963 states. [2018-12-09 17:36:02,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3963 to 3910. [2018-12-09 17:36:02,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3910 states. [2018-12-09 17:36:02,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3910 states to 3910 states and 5486 transitions. [2018-12-09 17:36:02,573 INFO L78 Accepts]: Start accepts. Automaton has 3910 states and 5486 transitions. Word has length 143 [2018-12-09 17:36:02,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:36:02,573 INFO L480 AbstractCegarLoop]: Abstraction has 3910 states and 5486 transitions. [2018-12-09 17:36:02,573 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 17:36:02,573 INFO L276 IsEmpty]: Start isEmpty. Operand 3910 states and 5486 transitions. [2018-12-09 17:36:02,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-09 17:36:02,574 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:36:02,575 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:36:02,575 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:36:02,575 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:36:02,575 INFO L82 PathProgramCache]: Analyzing trace with hash -449229944, now seen corresponding path program 1 times [2018-12-09 17:36:02,575 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:36:02,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:36:02,576 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:36:02,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:36:02,576 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:36:02,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:36:02,627 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:36:02,627 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:36:02,628 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 17:36:02,628 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:36:02,628 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 17:36:02,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 17:36:02,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 17:36:02,628 INFO L87 Difference]: Start difference. First operand 3910 states and 5486 transitions. Second operand 5 states. [2018-12-09 17:36:06,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:36:06,359 INFO L93 Difference]: Finished difference Result 10080 states and 14344 transitions. [2018-12-09 17:36:06,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 17:36:06,360 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 153 [2018-12-09 17:36:06,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:36:06,372 INFO L225 Difference]: With dead ends: 10080 [2018-12-09 17:36:06,373 INFO L226 Difference]: Without dead ends: 6176 [2018-12-09 17:36:06,378 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-09 17:36:06,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6176 states. [2018-12-09 17:36:06,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6176 to 6153. [2018-12-09 17:36:06,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6153 states. [2018-12-09 17:36:06,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6153 states to 6153 states and 8483 transitions. [2018-12-09 17:36:06,454 INFO L78 Accepts]: Start accepts. Automaton has 6153 states and 8483 transitions. Word has length 153 [2018-12-09 17:36:06,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:36:06,454 INFO L480 AbstractCegarLoop]: Abstraction has 6153 states and 8483 transitions. [2018-12-09 17:36:06,454 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 17:36:06,454 INFO L276 IsEmpty]: Start isEmpty. Operand 6153 states and 8483 transitions. [2018-12-09 17:36:06,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-09 17:36:06,455 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:36:06,456 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:36:06,456 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:36:06,456 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:36:06,456 INFO L82 PathProgramCache]: Analyzing trace with hash -379423501, now seen corresponding path program 1 times [2018-12-09 17:36:06,456 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:36:06,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:36:06,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:36:06,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:36:06,457 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:36:06,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:36:06,588 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:36:06,588 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:36:06,588 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:36:06,589 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 169 with the following transitions: [2018-12-09 17:36:06,590 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-09 17:36:06,616 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:36:06,616 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:36:06,835 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 17:36:06,836 INFO L272 AbstractInterpreter]: Visited 115 different actions 115 times. Never merged. Never widened. Performed 1157 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1157 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-12-09 17:36:06,842 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:36:06,843 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 17:36:07,046 INFO L227 lantSequenceWeakener]: Weakened 162 states. On average, predicates are now at 78.34% of their original sizes. [2018-12-09 17:36:07,046 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 17:36:07,059 INFO L418 sIntCurrentIteration]: We unified 167 AI predicates to 167 [2018-12-09 17:36:07,059 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 17:36:07,060 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 17:36:07,060 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2018-12-09 17:36:07,060 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:36:07,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 17:36:07,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 17:36:07,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 17:36:07,061 INFO L87 Difference]: Start difference. First operand 6153 states and 8483 transitions. Second operand 6 states. [2018-12-09 17:36:47,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:36:47,959 INFO L93 Difference]: Finished difference Result 11994 states and 16625 transitions. [2018-12-09 17:36:47,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 17:36:47,960 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 168 [2018-12-09 17:36:47,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:36:47,970 INFO L225 Difference]: With dead ends: 11994 [2018-12-09 17:36:47,970 INFO L226 Difference]: Without dead ends: 6154 [2018-12-09 17:36:47,977 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 168 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 17:36:47,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6154 states. [2018-12-09 17:36:48,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6154 to 6153. [2018-12-09 17:36:48,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6153 states. [2018-12-09 17:36:48,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6153 states to 6153 states and 8460 transitions. [2018-12-09 17:36:48,057 INFO L78 Accepts]: Start accepts. Automaton has 6153 states and 8460 transitions. Word has length 168 [2018-12-09 17:36:48,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:36:48,057 INFO L480 AbstractCegarLoop]: Abstraction has 6153 states and 8460 transitions. [2018-12-09 17:36:48,058 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 17:36:48,058 INFO L276 IsEmpty]: Start isEmpty. Operand 6153 states and 8460 transitions. [2018-12-09 17:36:48,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-12-09 17:36:48,060 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:36:48,060 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:36:48,060 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:36:48,060 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:36:48,060 INFO L82 PathProgramCache]: Analyzing trace with hash 624925780, now seen corresponding path program 1 times [2018-12-09 17:36:48,060 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:36:48,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:36:48,061 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:36:48,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:36:48,061 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:36:48,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:36:48,299 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 193 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:36:48,299 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:36:48,299 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:36:48,299 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 264 with the following transitions: [2018-12-09 17:36:48,300 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [691], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-09 17:36:48,303 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:36:48,303 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:36:48,475 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 17:36:48,476 INFO L272 AbstractInterpreter]: Visited 119 different actions 344 times. Merged at 4 different actions 7 times. Never widened. Performed 3823 root evaluator evaluations with a maximum evaluation depth of 10. Performed 3823 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-09 17:36:48,477 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:36:48,477 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 17:36:48,647 INFO L227 lantSequenceWeakener]: Weakened 260 states. On average, predicates are now at 84.13% of their original sizes. [2018-12-09 17:36:48,647 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 17:36:48,676 INFO L418 sIntCurrentIteration]: We unified 262 AI predicates to 262 [2018-12-09 17:36:48,676 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 17:36:48,676 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 17:36:48,676 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 18 [2018-12-09 17:36:48,676 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:36:48,677 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 17:36:48,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 17:36:48,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 17:36:48,677 INFO L87 Difference]: Start difference. First operand 6153 states and 8460 transitions. Second operand 9 states. [2018-12-09 17:37:19,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:37:19,432 INFO L93 Difference]: Finished difference Result 12304 states and 16945 transitions. [2018-12-09 17:37:19,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 17:37:19,432 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 263 [2018-12-09 17:37:19,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:37:19,446 INFO L225 Difference]: With dead ends: 12304 [2018-12-09 17:37:19,446 INFO L226 Difference]: Without dead ends: 6464 [2018-12-09 17:37:19,454 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 268 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2018-12-09 17:37:19,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6464 states. [2018-12-09 17:37:19,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6464 to 6462. [2018-12-09 17:37:19,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6462 states. [2018-12-09 17:37:19,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6462 states to 6462 states and 8785 transitions. [2018-12-09 17:37:19,531 INFO L78 Accepts]: Start accepts. Automaton has 6462 states and 8785 transitions. Word has length 263 [2018-12-09 17:37:19,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:37:19,532 INFO L480 AbstractCegarLoop]: Abstraction has 6462 states and 8785 transitions. [2018-12-09 17:37:19,532 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 17:37:19,532 INFO L276 IsEmpty]: Start isEmpty. Operand 6462 states and 8785 transitions. [2018-12-09 17:37:19,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2018-12-09 17:37:19,535 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:37:19,535 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:37:19,535 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:37:19,535 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:37:19,535 INFO L82 PathProgramCache]: Analyzing trace with hash -712494961, now seen corresponding path program 1 times [2018-12-09 17:37:19,535 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:37:19,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:37:19,536 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:37:19,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:37:19,536 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:37:19,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:37:19,665 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-09 17:37:19,665 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:37:19,665 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 17:37:19,665 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:37:19,666 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 17:37:19,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 17:37:19,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 17:37:19,666 INFO L87 Difference]: Start difference. First operand 6462 states and 8785 transitions. Second operand 4 states. [2018-12-09 17:37:21,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:37:21,717 INFO L93 Difference]: Finished difference Result 20384 states and 29075 transitions. [2018-12-09 17:37:21,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 17:37:21,718 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 352 [2018-12-09 17:37:21,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:37:21,754 INFO L225 Difference]: With dead ends: 20384 [2018-12-09 17:37:21,754 INFO L226 Difference]: Without dead ends: 14544 [2018-12-09 17:37:21,763 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 17:37:21,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14544 states. [2018-12-09 17:37:21,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14544 to 11450. [2018-12-09 17:37:21,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11450 states. [2018-12-09 17:37:21,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11450 states to 11450 states and 15782 transitions. [2018-12-09 17:37:21,900 INFO L78 Accepts]: Start accepts. Automaton has 11450 states and 15782 transitions. Word has length 352 [2018-12-09 17:37:21,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:37:21,901 INFO L480 AbstractCegarLoop]: Abstraction has 11450 states and 15782 transitions. [2018-12-09 17:37:21,901 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 17:37:21,901 INFO L276 IsEmpty]: Start isEmpty. Operand 11450 states and 15782 transitions. [2018-12-09 17:37:21,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2018-12-09 17:37:21,907 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:37:21,907 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:37:21,907 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:37:21,907 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:37:21,908 INFO L82 PathProgramCache]: Analyzing trace with hash 492291870, now seen corresponding path program 1 times [2018-12-09 17:37:21,908 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:37:21,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:37:21,908 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:37:21,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:37:21,908 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:37:21,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:37:22,133 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2018-12-09 17:37:22,133 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:37:22,133 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 17:37:22,133 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:37:22,134 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 17:37:22,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 17:37:22,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 17:37:22,134 INFO L87 Difference]: Start difference. First operand 11450 states and 15782 transitions. Second operand 4 states. [2018-12-09 17:37:23,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:37:23,840 INFO L93 Difference]: Finished difference Result 29129 states and 41787 transitions. [2018-12-09 17:37:23,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 17:37:23,841 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 475 [2018-12-09 17:37:23,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:37:23,881 INFO L225 Difference]: With dead ends: 29129 [2018-12-09 17:37:23,882 INFO L226 Difference]: Without dead ends: 18301 [2018-12-09 17:37:23,898 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 17:37:23,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18301 states. [2018-12-09 17:37:24,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18301 to 16114. [2018-12-09 17:37:24,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16114 states. [2018-12-09 17:37:24,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16114 states to 16114 states and 23137 transitions. [2018-12-09 17:37:24,099 INFO L78 Accepts]: Start accepts. Automaton has 16114 states and 23137 transitions. Word has length 475 [2018-12-09 17:37:24,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:37:24,100 INFO L480 AbstractCegarLoop]: Abstraction has 16114 states and 23137 transitions. [2018-12-09 17:37:24,100 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 17:37:24,100 INFO L276 IsEmpty]: Start isEmpty. Operand 16114 states and 23137 transitions. [2018-12-09 17:37:24,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2018-12-09 17:37:24,108 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:37:24,108 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, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:37:24,108 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:37:24,109 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:37:24,109 INFO L82 PathProgramCache]: Analyzing trace with hash -1869799240, now seen corresponding path program 1 times [2018-12-09 17:37:24,109 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:37:24,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:37:24,109 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:37:24,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:37:24,109 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:37:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:37:24,277 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2018-12-09 17:37:24,277 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:37:24,278 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 17:37:24,278 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:37:24,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 17:37:24,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 17:37:24,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 17:37:24,279 INFO L87 Difference]: Start difference. First operand 16114 states and 23137 transitions. Second operand 3 states. [2018-12-09 17:37:25,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:37:25,763 INFO L93 Difference]: Finished difference Result 34698 states and 51115 transitions. [2018-12-09 17:37:25,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 17:37:25,764 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 499 [2018-12-09 17:37:25,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:37:25,797 INFO L225 Difference]: With dead ends: 34698 [2018-12-09 17:37:25,798 INFO L226 Difference]: Without dead ends: 19206 [2018-12-09 17:37:25,816 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 17:37:25,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19206 states. [2018-12-09 17:37:25,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19206 to 19206. [2018-12-09 17:37:25,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19206 states. [2018-12-09 17:37:26,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19206 states to 19206 states and 26969 transitions. [2018-12-09 17:37:26,007 INFO L78 Accepts]: Start accepts. Automaton has 19206 states and 26969 transitions. Word has length 499 [2018-12-09 17:37:26,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:37:26,008 INFO L480 AbstractCegarLoop]: Abstraction has 19206 states and 26969 transitions. [2018-12-09 17:37:26,008 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 17:37:26,008 INFO L276 IsEmpty]: Start isEmpty. Operand 19206 states and 26969 transitions. [2018-12-09 17:37:26,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 542 [2018-12-09 17:37:26,018 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:37:26,018 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:37:26,018 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:37:26,018 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:37:26,019 INFO L82 PathProgramCache]: Analyzing trace with hash 1914056072, now seen corresponding path program 1 times [2018-12-09 17:37:26,019 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:37:26,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:37:26,019 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:37:26,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:37:26,019 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:37:26,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:37:26,244 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 361 proven. 2 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-09 17:37:26,244 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:37:26,244 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:37:26,244 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 542 with the following transitions: [2018-12-09 17:37:26,245 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [617], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [880], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-09 17:37:26,251 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:37:26,251 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:37:27,022 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 17:37:27,022 INFO L272 AbstractInterpreter]: Visited 284 different actions 1127 times. Merged at 7 different actions 23 times. Never widened. Performed 16055 root evaluator evaluations with a maximum evaluation depth of 21. Performed 16055 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 6 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-09 17:37:27,024 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:37:27,025 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 17:37:27,025 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:37:27,025 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a869a4b0-6e6a-4a13-a327-06eefaa884ad/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 17:37:27,031 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:37:27,031 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 17:37:27,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:37:27,125 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:37:27,311 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 361 proven. 2 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-09 17:37:27,311 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 17:37:27,481 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 361 proven. 2 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-09 17:37:27,497 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 17:37:27,497 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-09 17:37:27,497 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 17:37:27,497 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 17:37:27,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 17:37:27,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-12-09 17:37:27,498 INFO L87 Difference]: Start difference. First operand 19206 states and 26969 transitions. Second operand 9 states. [2018-12-09 17:37:34,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:37:34,067 INFO L93 Difference]: Finished difference Result 47636 states and 78488 transitions. [2018-12-09 17:37:34,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-12-09 17:37:34,068 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 541 [2018-12-09 17:37:34,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:37:34,160 INFO L225 Difference]: With dead ends: 47636 [2018-12-09 17:37:34,160 INFO L226 Difference]: Without dead ends: 29052 [2018-12-09 17:37:34,192 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1117 GetRequests, 1092 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=204, Invalid=446, Unknown=0, NotChecked=0, Total=650 [2018-12-09 17:37:34,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29052 states. [2018-12-09 17:37:34,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29052 to 26691. [2018-12-09 17:37:34,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26691 states. [2018-12-09 17:37:34,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26691 states to 26691 states and 41924 transitions. [2018-12-09 17:37:34,648 INFO L78 Accepts]: Start accepts. Automaton has 26691 states and 41924 transitions. Word has length 541 [2018-12-09 17:37:34,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:37:34,649 INFO L480 AbstractCegarLoop]: Abstraction has 26691 states and 41924 transitions. [2018-12-09 17:37:34,649 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 17:37:34,649 INFO L276 IsEmpty]: Start isEmpty. Operand 26691 states and 41924 transitions. [2018-12-09 17:37:34,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 559 [2018-12-09 17:37:34,657 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:37:34,657 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:37:34,657 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:37:34,657 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:37:34,658 INFO L82 PathProgramCache]: Analyzing trace with hash -1959681560, now seen corresponding path program 1 times [2018-12-09 17:37:34,658 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:37:34,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:37:34,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:37:34,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:37:34,659 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:37:34,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:37:34,861 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 237 proven. 85 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2018-12-09 17:37:34,861 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:37:34,861 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:37:34,862 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 559 with the following transitions: [2018-12-09 17:37:34,862 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [644], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [880], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1562], [1566], [1570], [1581], [1585], [1589], [1593], [1597], [1601], [1612], [1616], [1620], [1623], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-09 17:37:34,865 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:37:34,865 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:37:36,118 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 17:37:36,118 INFO L272 AbstractInterpreter]: Visited 296 different actions 1469 times. Merged at 7 different actions 31 times. Never widened. Performed 21261 root evaluator evaluations with a maximum evaluation depth of 21. Performed 21261 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 8 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-09 17:37:36,119 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:37:36,119 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 17:37:36,119 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:37:36,119 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a869a4b0-6e6a-4a13-a327-06eefaa884ad/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 17:37:36,125 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:37:36,125 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 17:37:36,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:37:36,193 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:37:36,295 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 397 proven. 2 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-09 17:37:36,295 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 17:37:36,429 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 237 proven. 85 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2018-12-09 17:37:36,445 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 17:37:36,445 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-09 17:37:36,445 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 17:37:36,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 17:37:36,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 17:37:36,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-12-09 17:37:36,446 INFO L87 Difference]: Start difference. First operand 26691 states and 41924 transitions. Second operand 9 states. [2018-12-09 17:37:40,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:37:40,640 INFO L93 Difference]: Finished difference Result 61029 states and 113169 transitions. [2018-12-09 17:37:40,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 17:37:40,640 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 558 [2018-12-09 17:37:40,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:37:40,797 INFO L225 Difference]: With dead ends: 61029 [2018-12-09 17:37:40,797 INFO L226 Difference]: Without dead ends: 34960 [2018-12-09 17:37:40,858 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1139 GetRequests, 1120 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=128, Invalid=252, Unknown=0, NotChecked=0, Total=380 [2018-12-09 17:37:40,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34960 states. [2018-12-09 17:37:41,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34960 to 34452. [2018-12-09 17:37:41,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34452 states. [2018-12-09 17:37:41,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34452 states to 34452 states and 62463 transitions. [2018-12-09 17:37:41,617 INFO L78 Accepts]: Start accepts. Automaton has 34452 states and 62463 transitions. Word has length 558 [2018-12-09 17:37:41,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:37:41,617 INFO L480 AbstractCegarLoop]: Abstraction has 34452 states and 62463 transitions. [2018-12-09 17:37:41,617 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 17:37:41,617 INFO L276 IsEmpty]: Start isEmpty. Operand 34452 states and 62463 transitions. [2018-12-09 17:37:41,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 568 [2018-12-09 17:37:41,625 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:37:41,625 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 17:37:41,625 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:37:41,625 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:37:41,625 INFO L82 PathProgramCache]: Analyzing trace with hash -665098870, now seen corresponding path program 1 times [2018-12-09 17:37:41,625 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:37:41,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:37:41,626 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:37:41,626 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:37:41,626 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:37:41,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:37:41,935 INFO L134 CoverageAnalysis]: Checked inductivity of 775 backedges. 379 proven. 85 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2018-12-09 17:37:41,935 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:37:41,935 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:37:41,935 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 568 with the following transitions: [2018-12-09 17:37:41,935 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [644], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [691], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [880], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1209], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-09 17:37:41,938 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:37:41,938 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:37:43,199 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 17:37:43,199 INFO L272 AbstractInterpreter]: Visited 211 different actions 1039 times. Merged at 8 different actions 27 times. Never widened. Performed 13983 root evaluator evaluations with a maximum evaluation depth of 21. Performed 13983 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 8 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-09 17:37:43,201 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:37:43,201 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 17:37:43,201 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:37:43,201 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a869a4b0-6e6a-4a13-a327-06eefaa884ad/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 17:37:43,207 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:37:43,207 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 17:37:43,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:37:43,276 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:37:43,371 INFO L134 CoverageAnalysis]: Checked inductivity of 775 backedges. 630 proven. 2 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2018-12-09 17:37:43,371 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 17:37:43,502 INFO L134 CoverageAnalysis]: Checked inductivity of 775 backedges. 379 proven. 85 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2018-12-09 17:37:43,517 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 17:37:43,518 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-09 17:37:43,518 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 17:37:43,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 17:37:43,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 17:37:43,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-12-09 17:37:43,519 INFO L87 Difference]: Start difference. First operand 34452 states and 62463 transitions. Second operand 9 states. [2018-12-09 17:37:47,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:37:47,082 INFO L93 Difference]: Finished difference Result 63248 states and 107334 transitions. [2018-12-09 17:37:47,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-09 17:37:47,082 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 567 [2018-12-09 17:37:47,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:37:47,150 INFO L225 Difference]: With dead ends: 63248 [2018-12-09 17:37:47,151 INFO L226 Difference]: Without dead ends: 29418 [2018-12-09 17:37:47,236 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1157 GetRequests, 1138 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=128, Invalid=252, Unknown=0, NotChecked=0, Total=380 [2018-12-09 17:37:47,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29418 states. [2018-12-09 17:37:47,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29418 to 28147. [2018-12-09 17:37:47,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28147 states. [2018-12-09 17:37:47,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28147 states to 28147 states and 35661 transitions. [2018-12-09 17:37:47,595 INFO L78 Accepts]: Start accepts. Automaton has 28147 states and 35661 transitions. Word has length 567 [2018-12-09 17:37:47,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:37:47,596 INFO L480 AbstractCegarLoop]: Abstraction has 28147 states and 35661 transitions. [2018-12-09 17:37:47,596 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 17:37:47,596 INFO L276 IsEmpty]: Start isEmpty. Operand 28147 states and 35661 transitions. [2018-12-09 17:37:47,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 609 [2018-12-09 17:37:47,601 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:37:47,601 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-09 17:37:47,601 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:37:47,602 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:37:47,602 INFO L82 PathProgramCache]: Analyzing trace with hash -2099777459, now seen corresponding path program 1 times [2018-12-09 17:37:47,602 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:37:47,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:37:47,602 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:37:47,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:37:47,602 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:37:47,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:37:47,915 INFO L134 CoverageAnalysis]: Checked inductivity of 863 backedges. 468 proven. 268 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2018-12-09 17:37:47,915 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:37:47,915 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:37:47,915 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 609 with the following transitions: [2018-12-09 17:37:47,915 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [691], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [842], [847], [849], [850], [854], [865], [869], [873], [877], [880], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1209], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-09 17:37:47,917 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:37:47,917 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:37:49,404 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 17:37:49,404 INFO L272 AbstractInterpreter]: Visited 213 different actions 1262 times. Merged at 8 different actions 43 times. Widened at 1 different actions 2 times. Performed 17111 root evaluator evaluations with a maximum evaluation depth of 21. Performed 17111 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 11 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-09 17:37:49,406 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:37:49,406 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 17:37:49,406 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:37:49,406 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a869a4b0-6e6a-4a13-a327-06eefaa884ad/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 17:37:49,412 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:37:49,412 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 17:37:49,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:37:49,485 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:37:49,604 INFO L134 CoverageAnalysis]: Checked inductivity of 863 backedges. 553 proven. 2 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2018-12-09 17:37:49,604 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 17:37:49,768 INFO L134 CoverageAnalysis]: Checked inductivity of 863 backedges. 553 proven. 2 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2018-12-09 17:37:49,783 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 17:37:49,784 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 13 [2018-12-09 17:37:49,784 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 17:37:49,784 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-09 17:37:49,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-09 17:37:49,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2018-12-09 17:37:49,785 INFO L87 Difference]: Start difference. First operand 28147 states and 35661 transitions. Second operand 12 states. [2018-12-09 17:37:52,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:37:52,333 INFO L93 Difference]: Finished difference Result 51975 states and 64375 transitions. [2018-12-09 17:37:52,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-09 17:37:52,334 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 608 [2018-12-09 17:37:52,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:37:52,369 INFO L225 Difference]: With dead ends: 51975 [2018-12-09 17:37:52,369 INFO L226 Difference]: Without dead ends: 24450 [2018-12-09 17:37:52,402 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1255 GetRequests, 1226 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=177, Invalid=525, Unknown=0, NotChecked=0, Total=702 [2018-12-09 17:37:52,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24450 states. [2018-12-09 17:37:52,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24450 to 23102. [2018-12-09 17:37:52,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23102 states. [2018-12-09 17:37:52,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23102 states to 23102 states and 26326 transitions. [2018-12-09 17:37:52,619 INFO L78 Accepts]: Start accepts. Automaton has 23102 states and 26326 transitions. Word has length 608 [2018-12-09 17:37:52,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:37:52,619 INFO L480 AbstractCegarLoop]: Abstraction has 23102 states and 26326 transitions. [2018-12-09 17:37:52,619 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-09 17:37:52,619 INFO L276 IsEmpty]: Start isEmpty. Operand 23102 states and 26326 transitions. [2018-12-09 17:37:52,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 701 [2018-12-09 17:37:52,627 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:37:52,627 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:37:52,627 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:37:52,627 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:37:52,627 INFO L82 PathProgramCache]: Analyzing trace with hash 1399068560, now seen corresponding path program 1 times [2018-12-09 17:37:52,628 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:37:52,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:37:52,628 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:37:52,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:37:52,628 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:37:52,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:37:52,920 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 571 proven. 2 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2018-12-09 17:37:52,921 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:37:52,921 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:37:52,921 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 701 with the following transitions: [2018-12-09 17:37:52,921 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [857], [862], [864], [865], [869], [873], [877], [880], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-09 17:37:52,923 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:37:52,924 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:37:55,816 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 17:37:55,816 INFO L272 AbstractInterpreter]: Visited 287 different actions 854 times. Merged at 8 different actions 19 times. Never widened. Performed 11742 root evaluator evaluations with a maximum evaluation depth of 21. Performed 11742 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 5 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-09 17:37:55,817 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:37:55,817 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 17:37:55,817 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:37:55,818 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a869a4b0-6e6a-4a13-a327-06eefaa884ad/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 17:37:55,824 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:37:55,824 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 17:37:55,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:37:55,905 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:37:56,050 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 571 proven. 2 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2018-12-09 17:37:56,050 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 17:37:56,297 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 571 proven. 2 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2018-12-09 17:37:56,313 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 17:37:56,313 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 11 [2018-12-09 17:37:56,313 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 17:37:56,314 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 17:37:56,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 17:37:56,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-09 17:37:56,314 INFO L87 Difference]: Start difference. First operand 23102 states and 26326 transitions. Second operand 8 states. [2018-12-09 17:38:02,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:38:02,298 INFO L93 Difference]: Finished difference Result 60234 states and 68826 transitions. [2018-12-09 17:38:02,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-09 17:38:02,298 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 700 [2018-12-09 17:38:02,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:38:02,332 INFO L225 Difference]: With dead ends: 60234 [2018-12-09 17:38:02,332 INFO L226 Difference]: Without dead ends: 27621 [2018-12-09 17:38:02,359 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1427 GetRequests, 1406 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2018-12-09 17:38:02,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27621 states. [2018-12-09 17:38:02,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27621 to 23230. [2018-12-09 17:38:02,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23230 states. [2018-12-09 17:38:02,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23230 states to 23230 states and 24493 transitions. [2018-12-09 17:38:02,584 INFO L78 Accepts]: Start accepts. Automaton has 23230 states and 24493 transitions. Word has length 700 [2018-12-09 17:38:02,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:38:02,584 INFO L480 AbstractCegarLoop]: Abstraction has 23230 states and 24493 transitions. [2018-12-09 17:38:02,584 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 17:38:02,585 INFO L276 IsEmpty]: Start isEmpty. Operand 23230 states and 24493 transitions. [2018-12-09 17:38:02,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 727 [2018-12-09 17:38:02,592 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:38:02,592 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:38:02,592 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:38:02,592 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:38:02,592 INFO L82 PathProgramCache]: Analyzing trace with hash 1615800468, now seen corresponding path program 1 times [2018-12-09 17:38:02,592 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:38:02,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:38:02,593 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:38:02,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:38:02,593 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:38:02,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:38:02,808 INFO L134 CoverageAnalysis]: Checked inductivity of 941 backedges. 214 proven. 2 refuted. 0 times theorem prover too weak. 725 trivial. 0 not checked. [2018-12-09 17:38:02,808 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:38:02,808 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:38:02,808 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 727 with the following transitions: [2018-12-09 17:38:02,809 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [857], [860], [864], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1005], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-09 17:38:02,811 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:38:02,811 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:38:05,489 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 17:38:05,489 INFO L272 AbstractInterpreter]: Visited 287 different actions 853 times. Merged at 8 different actions 18 times. Never widened. Performed 11744 root evaluator evaluations with a maximum evaluation depth of 20. Performed 11744 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 5 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-09 17:38:05,490 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:38:05,490 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 17:38:05,490 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:38:05,490 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a869a4b0-6e6a-4a13-a327-06eefaa884ad/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 17:38:05,496 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:38:05,496 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 17:38:05,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:38:05,579 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:38:05,750 INFO L134 CoverageAnalysis]: Checked inductivity of 941 backedges. 546 proven. 0 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2018-12-09 17:38:05,750 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 17:38:05,880 INFO L134 CoverageAnalysis]: Checked inductivity of 941 backedges. 214 proven. 2 refuted. 0 times theorem prover too weak. 725 trivial. 0 not checked. [2018-12-09 17:38:05,895 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 17:38:05,896 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3, 3] total 4 [2018-12-09 17:38:05,896 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:38:05,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 17:38:05,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 17:38:05,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 17:38:05,896 INFO L87 Difference]: Start difference. First operand 23230 states and 24493 transitions. Second operand 3 states. [2018-12-09 17:38:06,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:38:06,534 INFO L93 Difference]: Finished difference Result 44274 states and 46672 transitions. [2018-12-09 17:38:06,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 17:38:06,534 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 726 [2018-12-09 17:38:06,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:38:06,559 INFO L225 Difference]: With dead ends: 44274 [2018-12-09 17:38:06,559 INFO L226 Difference]: Without dead ends: 23211 [2018-12-09 17:38:06,577 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1454 GetRequests, 1452 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 17:38:06,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23211 states. [2018-12-09 17:38:06,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23211 to 23209. [2018-12-09 17:38:06,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23209 states. [2018-12-09 17:38:06,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23209 states to 23209 states and 24433 transitions. [2018-12-09 17:38:06,775 INFO L78 Accepts]: Start accepts. Automaton has 23209 states and 24433 transitions. Word has length 726 [2018-12-09 17:38:06,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:38:06,776 INFO L480 AbstractCegarLoop]: Abstraction has 23209 states and 24433 transitions. [2018-12-09 17:38:06,776 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 17:38:06,776 INFO L276 IsEmpty]: Start isEmpty. Operand 23209 states and 24433 transitions. [2018-12-09 17:38:06,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 741 [2018-12-09 17:38:06,784 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:38:06,784 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 17:38:06,784 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:38:06,785 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:38:06,785 INFO L82 PathProgramCache]: Analyzing trace with hash 1476186146, now seen corresponding path program 1 times [2018-12-09 17:38:06,785 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:38:06,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:38:06,786 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:38:06,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:38:06,786 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:38:06,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:38:07,001 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 214 proven. 2 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2018-12-09 17:38:07,001 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:38:07,001 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:38:07,002 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 741 with the following transitions: [2018-12-09 17:38:07,002 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [633], [636], [640], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [880], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1167], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-09 17:38:07,005 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:38:07,005 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:38:09,590 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 17:38:09,590 INFO L272 AbstractInterpreter]: Visited 287 different actions 1430 times. Merged at 8 different actions 39 times. Widened at 1 different actions 1 times. Performed 20580 root evaluator evaluations with a maximum evaluation depth of 21. Performed 20580 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 12 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-09 17:38:09,592 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:38:09,592 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 17:38:09,592 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:38:09,592 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a869a4b0-6e6a-4a13-a327-06eefaa884ad/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 17:38:09,597 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:38:09,597 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 17:38:09,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:38:09,682 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:38:09,854 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2018-12-09 17:38:09,854 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 17:38:09,988 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 214 proven. 2 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2018-12-09 17:38:10,003 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 17:38:10,004 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3, 3] total 3 [2018-12-09 17:38:10,004 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:38:10,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 17:38:10,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 17:38:10,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 17:38:10,004 INFO L87 Difference]: Start difference. First operand 23209 states and 24433 transitions. Second operand 3 states. [2018-12-09 17:38:11,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:38:11,030 INFO L93 Difference]: Finished difference Result 52912 states and 55861 transitions. [2018-12-09 17:38:11,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 17:38:11,031 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 740 [2018-12-09 17:38:11,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:38:11,066 INFO L225 Difference]: With dead ends: 52912 [2018-12-09 17:38:11,067 INFO L226 Difference]: Without dead ends: 30632 [2018-12-09 17:38:11,086 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1482 GetRequests, 1480 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 17:38:11,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30632 states. [2018-12-09 17:38:11,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30632 to 27224. [2018-12-09 17:38:11,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27224 states. [2018-12-09 17:38:11,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27224 states to 27224 states and 28698 transitions. [2018-12-09 17:38:11,359 INFO L78 Accepts]: Start accepts. Automaton has 27224 states and 28698 transitions. Word has length 740 [2018-12-09 17:38:11,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:38:11,360 INFO L480 AbstractCegarLoop]: Abstraction has 27224 states and 28698 transitions. [2018-12-09 17:38:11,360 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 17:38:11,360 INFO L276 IsEmpty]: Start isEmpty. Operand 27224 states and 28698 transitions. [2018-12-09 17:38:11,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 746 [2018-12-09 17:38:11,368 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:38:11,368 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:38:11,369 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:38:11,369 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:38:11,369 INFO L82 PathProgramCache]: Analyzing trace with hash 1443562723, now seen corresponding path program 1 times [2018-12-09 17:38:11,369 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:38:11,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:38:11,370 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:38:11,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:38:11,370 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:38:11,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:38:12,668 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 485 proven. 53 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-12-09 17:38:12,668 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:38:12,668 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:38:12,668 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 746 with the following transitions: [2018-12-09 17:38:12,669 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [29], [33], [37], [41], [52], [55], [73], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1562], [1566], [1570], [1581], [1585], [1589], [1593], [1597], [1601], [1612], [1616], [1620], [1624], [1628], [1632], [1634], [1635], [1639], [1648], [1652], [1654], [1659], [1660], [1661], [1662], [1663], [1665], [1666] [2018-12-09 17:38:12,671 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:38:12,671 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:38:15,701 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 17:38:15,701 INFO L272 AbstractInterpreter]: Visited 313 different actions 927 times. Merged at 7 different actions 16 times. Never widened. Performed 12817 root evaluator evaluations with a maximum evaluation depth of 21. Performed 12817 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-09 17:38:15,703 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:38:15,703 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 17:38:15,703 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:38:15,703 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a869a4b0-6e6a-4a13-a327-06eefaa884ad/bin-2019/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 17:38:15,709 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:38:15,710 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 17:38:15,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:38:15,798 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:38:20,731 WARN L180 SmtUtils]: Spent 4.85 s on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2018-12-09 17:38:22,119 WARN L180 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 32 [2018-12-09 17:38:22,927 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 485 proven. 53 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-12-09 17:38:22,927 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 17:38:23,228 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-12-09 17:38:23,230 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-12-09 17:38:23,231 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-12-09 17:38:23,233 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 18 [2018-12-09 17:38:23,496 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 56 [2018-12-09 17:38:23,497 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-12-09 17:38:23,499 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-12-09 17:38:23,501 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-12-09 17:38:23,503 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-12-09 17:38:23,505 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-12-09 17:38:23,507 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-12-09 17:38:23,509 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-12-09 17:38:23,511 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-12-09 17:38:23,513 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-12-09 17:38:24,839 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 485 proven. 53 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-12-09 17:38:24,854 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 17:38:24,854 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 10, 10] total 27 [2018-12-09 17:38:24,854 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 17:38:24,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-12-09 17:38:24,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-12-09 17:38:24,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=584, Unknown=1, NotChecked=0, Total=702 [2018-12-09 17:38:24,855 INFO L87 Difference]: Start difference. First operand 27224 states and 28698 transitions. Second operand 21 states. [2018-12-09 17:38:26,257 WARN L180 SmtUtils]: Spent 496.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2018-12-09 17:38:26,797 WARN L180 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-12-09 17:38:27,998 WARN L180 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2018-12-09 17:38:28,439 WARN L180 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-12-09 17:38:30,089 WARN L180 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-12-09 17:38:30,990 WARN L180 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2018-12-09 17:38:31,421 WARN L180 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-12-09 17:38:33,019 WARN L180 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2018-12-09 17:38:34,077 WARN L180 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 40 [2018-12-09 17:38:34,990 WARN L180 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 43 [2018-12-09 17:38:36,423 WARN L180 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 41 [2018-12-09 17:38:43,795 WARN L180 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 35 [2018-12-09 17:38:53,324 WARN L180 SmtUtils]: Spent 8.17 s on a formula simplification that was a NOOP. DAG size: 55 [2018-12-09 17:38:56,853 WARN L180 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2018-12-09 17:39:08,980 WARN L180 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2018-12-09 17:39:11,681 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 62 [2018-12-09 17:39:19,350 WARN L180 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2018-12-09 17:39:41,832 WARN L180 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 43 [2018-12-09 17:39:42,697 WARN L180 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 47 [2018-12-09 17:39:43,643 WARN L180 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2018-12-09 17:39:51,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:39:51,655 INFO L93 Difference]: Finished difference Result 57351 states and 60687 transitions. [2018-12-09 17:39:51,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2018-12-09 17:39:51,656 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 745 [2018-12-09 17:39:51,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:39:51,700 INFO L225 Difference]: With dead ends: 57351 [2018-12-09 17:39:51,700 INFO L226 Difference]: Without dead ends: 31957 [2018-12-09 17:39:51,723 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1632 GetRequests, 1529 SyntacticMatches, 10 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3026 ImplicationChecksByTransitivity, 53.6s TimeCoverageRelationStatistics Valid=2001, Invalid=6881, Unknown=48, NotChecked=0, Total=8930 [2018-12-09 17:39:51,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31957 states. [2018-12-09 17:39:51,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31957 to 27537. [2018-12-09 17:39:51,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27537 states. [2018-12-09 17:39:52,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27537 states to 27537 states and 28925 transitions. [2018-12-09 17:39:52,009 INFO L78 Accepts]: Start accepts. Automaton has 27537 states and 28925 transitions. Word has length 745 [2018-12-09 17:39:52,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:39:52,010 INFO L480 AbstractCegarLoop]: Abstraction has 27537 states and 28925 transitions. [2018-12-09 17:39:52,010 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-12-09 17:39:52,010 INFO L276 IsEmpty]: Start isEmpty. Operand 27537 states and 28925 transitions. [2018-12-09 17:39:52,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 874 [2018-12-09 17:39:52,021 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:39:52,022 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:39:52,022 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:39:52,022 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:39:52,022 INFO L82 PathProgramCache]: Analyzing trace with hash -37716587, now seen corresponding path program 1 times [2018-12-09 17:39:52,022 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:39:52,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:39:52,023 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:39:52,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:39:52,023 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:39:52,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:39:52,652 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 664 proven. 53 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2018-12-09 17:39:52,652 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:39:52,652 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:39:52,653 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 874 with the following transitions: [2018-12-09 17:39:52,653 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [29], [33], [37], [41], [52], [55], [73], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [857], [862], [864], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1562], [1566], [1570], [1581], [1585], [1589], [1593], [1597], [1601], [1612], [1616], [1620], [1624], [1628], [1632], [1634], [1635], [1639], [1648], [1652], [1654], [1659], [1660], [1661], [1662], [1663], [1665], [1666] [2018-12-09 17:39:52,655 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:39:52,655 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:39:55,669 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 17:39:55,669 INFO L272 AbstractInterpreter]: Visited 316 different actions 935 times. Merged at 8 different actions 19 times. Never widened. Performed 12892 root evaluator evaluations with a maximum evaluation depth of 21. Performed 12892 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 5 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-09 17:39:55,670 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:39:55,670 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 17:39:55,670 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:39:55,670 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a869a4b0-6e6a-4a13-a327-06eefaa884ad/bin-2019/utaipan/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 17:39:55,676 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:39:55,676 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 17:39:55,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:39:55,789 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:39:57,060 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 715 proven. 2 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2018-12-09 17:39:57,061 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 17:39:59,444 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 715 proven. 2 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2018-12-09 17:39:59,460 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 17:39:59,460 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 11] total 24 [2018-12-09 17:39:59,460 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 17:39:59,461 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-09 17:39:59,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-09 17:39:59,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=467, Unknown=0, NotChecked=0, Total=552 [2018-12-09 17:39:59,461 INFO L87 Difference]: Start difference. First operand 27537 states and 28925 transitions. Second operand 18 states. [2018-12-09 17:40:16,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:40:16,083 INFO L93 Difference]: Finished difference Result 59759 states and 62893 transitions. [2018-12-09 17:40:16,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2018-12-09 17:40:16,083 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 873 [2018-12-09 17:40:16,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:40:16,123 INFO L225 Difference]: With dead ends: 59759 [2018-12-09 17:40:16,123 INFO L226 Difference]: Without dead ends: 34074 [2018-12-09 17:40:16,147 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1845 GetRequests, 1760 SyntacticMatches, 3 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2033 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=1265, Invalid=5707, Unknown=0, NotChecked=0, Total=6972 [2018-12-09 17:40:16,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34074 states. [2018-12-09 17:40:16,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34074 to 28169. [2018-12-09 17:40:16,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28169 states. [2018-12-09 17:40:16,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28169 states to 28169 states and 29570 transitions. [2018-12-09 17:40:16,465 INFO L78 Accepts]: Start accepts. Automaton has 28169 states and 29570 transitions. Word has length 873 [2018-12-09 17:40:16,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:40:16,465 INFO L480 AbstractCegarLoop]: Abstraction has 28169 states and 29570 transitions. [2018-12-09 17:40:16,465 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-09 17:40:16,466 INFO L276 IsEmpty]: Start isEmpty. Operand 28169 states and 29570 transitions. [2018-12-09 17:40:16,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1112 [2018-12-09 17:40:16,487 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:40:16,487 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:40:16,487 INFO L423 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:40:16,487 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:40:16,487 INFO L82 PathProgramCache]: Analyzing trace with hash 425994079, now seen corresponding path program 1 times [2018-12-09 17:40:16,487 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:40:16,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:40:16,488 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:40:16,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:40:16,488 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:40:16,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:40:17,251 INFO L134 CoverageAnalysis]: Checked inductivity of 1751 backedges. 269 proven. 1025 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked. [2018-12-09 17:40:17,251 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:40:17,251 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:40:17,251 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1112 with the following transitions: [2018-12-09 17:40:17,251 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [29], [33], [37], [41], [44], [49], [51], [73], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [644], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [766], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1562], [1566], [1570], [1573], [1578], [1580], [1581], [1585], [1589], [1593], [1597], [1601], [1612], [1616], [1620], [1624], [1628], [1632], [1634], [1635], [1639], [1648], [1652], [1654], [1659], [1660], [1661], [1662], [1663], [1665], [1666] [2018-12-09 17:40:17,255 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:40:17,255 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:40:19,927 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 17:40:19,928 INFO L272 AbstractInterpreter]: Visited 318 different actions 1580 times. Merged at 9 different actions 44 times. Widened at 1 different actions 2 times. Performed 22623 root evaluator evaluations with a maximum evaluation depth of 20. Performed 22623 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 15 fixpoints after 5 different actions. Largest state had 24 variables. [2018-12-09 17:40:19,929 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:40:19,929 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 17:40:19,929 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:40:19,929 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a869a4b0-6e6a-4a13-a327-06eefaa884ad/bin-2019/utaipan/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 17:40:19,935 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:40:19,935 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 17:40:20,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:40:20,060 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:40:20,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1751 backedges. 1260 proven. 2 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2018-12-09 17:40:20,395 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 17:40:21,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1751 backedges. 575 proven. 112 refuted. 0 times theorem prover too weak. 1064 trivial. 0 not checked. [2018-12-09 17:40:21,061 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 17:40:21,062 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-12-09 17:40:21,062 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 17:40:21,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 17:40:21,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 17:40:21,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-09 17:40:21,063 INFO L87 Difference]: Start difference. First operand 28169 states and 29570 transitions. Second operand 11 states. [2018-12-09 17:40:27,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:40:27,937 INFO L93 Difference]: Finished difference Result 69227 states and 73000 transitions. [2018-12-09 17:40:27,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2018-12-09 17:40:27,938 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1111 [2018-12-09 17:40:27,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:40:27,994 INFO L225 Difference]: With dead ends: 69227 [2018-12-09 17:40:27,995 INFO L226 Difference]: Without dead ends: 42908 [2018-12-09 17:40:28,018 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2325 GetRequests, 2262 SyntacticMatches, 3 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1165 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=710, Invalid=3072, Unknown=0, NotChecked=0, Total=3782 [2018-12-09 17:40:28,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42908 states. [2018-12-09 17:40:28,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42908 to 35947. [2018-12-09 17:40:28,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35947 states. [2018-12-09 17:40:28,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35947 states to 35947 states and 37646 transitions. [2018-12-09 17:40:28,442 INFO L78 Accepts]: Start accepts. Automaton has 35947 states and 37646 transitions. Word has length 1111 [2018-12-09 17:40:28,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:40:28,442 INFO L480 AbstractCegarLoop]: Abstraction has 35947 states and 37646 transitions. [2018-12-09 17:40:28,442 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 17:40:28,442 INFO L276 IsEmpty]: Start isEmpty. Operand 35947 states and 37646 transitions. [2018-12-09 17:40:28,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1118 [2018-12-09 17:40:28,469 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:40:28,469 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:40:28,469 INFO L423 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:40:28,469 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:40:28,470 INFO L82 PathProgramCache]: Analyzing trace with hash 1673988033, now seen corresponding path program 1 times [2018-12-09 17:40:28,470 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:40:28,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:40:28,470 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:40:28,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:40:28,470 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:40:28,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:40:29,108 INFO L134 CoverageAnalysis]: Checked inductivity of 2072 backedges. 720 proven. 112 refuted. 0 times theorem prover too weak. 1240 trivial. 0 not checked. [2018-12-09 17:40:29,108 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:40:29,108 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:40:29,108 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1118 with the following transitions: [2018-12-09 17:40:29,108 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [29], [33], [37], [41], [44], [49], [51], [73], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [633], [638], [640], [641], [645], [649], [653], [657], [660], [663], [667], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [766], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1167], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1562], [1566], [1570], [1581], [1585], [1589], [1593], [1597], [1601], [1612], [1616], [1620], [1624], [1628], [1632], [1634], [1635], [1639], [1648], [1652], [1654], [1659], [1660], [1661], [1662], [1663], [1665], [1666] [2018-12-09 17:40:29,111 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:40:29,111 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:40:29,774 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 17:40:29,775 INFO L272 AbstractInterpreter]: Visited 321 different actions 1589 times. Merged at 10 different actions 42 times. Never widened. Performed 22688 root evaluator evaluations with a maximum evaluation depth of 15. Performed 22688 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 18 fixpoints after 5 different actions. Largest state had 24 variables. [2018-12-09 17:40:29,776 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:40:29,776 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 17:40:29,776 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:40:29,776 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a869a4b0-6e6a-4a13-a327-06eefaa884ad/bin-2019/utaipan/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 17:40:29,782 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:40:29,782 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 17:40:29,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:40:29,908 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:40:38,087 WARN L180 SmtUtils]: Spent 6.04 s on a formula simplification that was a NOOP. DAG size: 44 [2018-12-09 17:40:59,736 WARN L180 SmtUtils]: Spent 21.60 s on a formula simplification. DAG size of input: 199 DAG size of output: 80 [2018-12-09 17:41:01,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2072 backedges. 1011 proven. 53 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2018-12-09 17:41:01,219 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 17:41:01,485 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-12-09 17:41:03,731 INFO L134 CoverageAnalysis]: Checked inductivity of 2072 backedges. 1011 proven. 53 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2018-12-09 17:41:03,746 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 17:41:03,747 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 11, 11] total 23 [2018-12-09 17:41:03,747 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 17:41:03,748 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-09 17:41:03,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-09 17:41:03,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=415, Unknown=1, NotChecked=0, Total=506 [2018-12-09 17:41:03,748 INFO L87 Difference]: Start difference. First operand 35947 states and 37646 transitions. Second operand 15 states. [2018-12-09 17:41:09,391 WARN L180 SmtUtils]: Spent 3.52 s on a formula simplification. DAG size of input: 86 DAG size of output: 75 [2018-12-09 17:41:12,233 WARN L180 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 84 [2018-12-09 17:42:41,858 WARN L180 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2018-12-09 17:42:49,085 WARN L180 SmtUtils]: Spent 2.39 s on a formula simplification that was a NOOP. DAG size: 86 [2018-12-09 17:43:33,521 WARN L180 SmtUtils]: Spent 4.14 s on a formula simplification. DAG size of input: 85 DAG size of output: 20 [2018-12-09 17:43:46,821 WARN L180 SmtUtils]: Spent 4.72 s on a formula simplification. DAG size of input: 91 DAG size of output: 28 [2018-12-09 17:43:52,721 WARN L180 SmtUtils]: Spent 3.98 s on a formula simplification. DAG size of input: 89 DAG size of output: 26 [2018-12-09 17:44:32,786 WARN L180 SmtUtils]: Spent 2.49 s on a formula simplification that was a NOOP. DAG size: 83 [2018-12-09 17:45:01,553 WARN L180 SmtUtils]: Spent 4.20 s on a formula simplification. DAG size of input: 94 DAG size of output: 31 [2018-12-09 17:45:08,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:45:08,869 INFO L93 Difference]: Finished difference Result 55660 states and 58265 transitions. [2018-12-09 17:45:08,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-12-09 17:45:08,869 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 1117 [2018-12-09 17:45:08,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:45:08,896 INFO L225 Difference]: With dead ends: 55660 [2018-12-09 17:45:08,896 INFO L226 Difference]: Without dead ends: 23748 [2018-12-09 17:45:08,920 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2297 GetRequests, 2242 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 620 ImplicationChecksByTransitivity, 74.4s TimeCoverageRelationStatistics Valid=664, Invalid=2388, Unknown=28, NotChecked=0, Total=3080 [2018-12-09 17:45:08,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23748 states. [2018-12-09 17:45:09,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23748 to 22172. [2018-12-09 17:45:09,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22172 states. [2018-12-09 17:45:09,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22172 states to 22172 states and 23063 transitions. [2018-12-09 17:45:09,208 INFO L78 Accepts]: Start accepts. Automaton has 22172 states and 23063 transitions. Word has length 1117 [2018-12-09 17:45:09,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:45:09,209 INFO L480 AbstractCegarLoop]: Abstraction has 22172 states and 23063 transitions. [2018-12-09 17:45:09,209 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-09 17:45:09,209 INFO L276 IsEmpty]: Start isEmpty. Operand 22172 states and 23063 transitions. [2018-12-09 17:45:09,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1238 [2018-12-09 17:45:09,226 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:45:09,226 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-09 17:45:09,226 INFO L423 AbstractCegarLoop]: === Iteration 22 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:45:09,226 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:45:09,226 INFO L82 PathProgramCache]: Analyzing trace with hash -1700839310, now seen corresponding path program 1 times [2018-12-09 17:45:09,227 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:45:09,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:45:09,227 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:45:09,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:45:09,227 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:45:09,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:45:10,195 INFO L134 CoverageAnalysis]: Checked inductivity of 2200 backedges. 265 proven. 1432 refuted. 0 times theorem prover too weak. 503 trivial. 0 not checked. [2018-12-09 17:45:10,195 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:45:10,195 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:45:10,195 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1238 with the following transitions: [2018-12-09 17:45:10,196 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [29], [33], [37], [41], [52], [55], [73], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [842], [847], [849], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1327], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1455], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1562], [1566], [1570], [1581], [1585], [1589], [1593], [1597], [1601], [1612], [1616], [1620], [1624], [1628], [1632], [1634], [1635], [1639], [1648], [1652], [1654], [1659], [1660], [1661], [1662], [1663], [1665], [1666] [2018-12-09 17:45:10,199 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:45:10,199 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:45:11,440 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 17:45:11,440 INFO L272 AbstractInterpreter]: Visited 317 different actions 1580 times. Merged at 9 different actions 45 times. Widened at 1 different actions 1 times. Performed 22674 root evaluator evaluations with a maximum evaluation depth of 21. Performed 22674 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 15 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-09 17:45:11,441 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:45:11,441 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 17:45:11,441 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:45:11,441 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a869a4b0-6e6a-4a13-a327-06eefaa884ad/bin-2019/utaipan/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 17:45:11,448 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:45:11,448 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 17:45:11,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:45:11,586 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:45:12,065 INFO L134 CoverageAnalysis]: Checked inductivity of 2200 backedges. 1132 proven. 2 refuted. 0 times theorem prover too weak. 1066 trivial. 0 not checked. [2018-12-09 17:45:12,065 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 17:45:12,886 INFO L134 CoverageAnalysis]: Checked inductivity of 2200 backedges. 1132 proven. 2 refuted. 0 times theorem prover too weak. 1066 trivial. 0 not checked. [2018-12-09 17:45:12,902 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 17:45:12,902 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 12 [2018-12-09 17:45:12,902 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 17:45:12,903 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 17:45:12,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 17:45:12,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2018-12-09 17:45:12,903 INFO L87 Difference]: Start difference. First operand 22172 states and 23063 transitions. Second operand 10 states. [2018-12-09 17:45:19,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:45:19,479 INFO L93 Difference]: Finished difference Result 47464 states and 50008 transitions. [2018-12-09 17:45:19,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-09 17:45:19,480 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1237 [2018-12-09 17:45:19,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:45:19,518 INFO L225 Difference]: With dead ends: 47464 [2018-12-09 17:45:19,518 INFO L226 Difference]: Without dead ends: 29018 [2018-12-09 17:45:19,537 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2508 GetRequests, 2482 SyntacticMatches, 5 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=144, Invalid=362, Unknown=0, NotChecked=0, Total=506 [2018-12-09 17:45:19,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29018 states. [2018-12-09 17:45:19,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29018 to 23807. [2018-12-09 17:45:19,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23807 states. [2018-12-09 17:45:19,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23807 states to 23807 states and 24574 transitions. [2018-12-09 17:45:19,829 INFO L78 Accepts]: Start accepts. Automaton has 23807 states and 24574 transitions. Word has length 1237 [2018-12-09 17:45:19,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:45:19,829 INFO L480 AbstractCegarLoop]: Abstraction has 23807 states and 24574 transitions. [2018-12-09 17:45:19,829 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 17:45:19,829 INFO L276 IsEmpty]: Start isEmpty. Operand 23807 states and 24574 transitions. [2018-12-09 17:45:19,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1490 [2018-12-09 17:45:19,850 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:45:19,851 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, 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:45:19,851 INFO L423 AbstractCegarLoop]: === Iteration 23 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:45:19,851 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:45:19,851 INFO L82 PathProgramCache]: Analyzing trace with hash 2013699422, now seen corresponding path program 1 times [2018-12-09 17:45:19,851 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:45:19,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:45:19,852 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:45:19,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:45:19,852 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:45:19,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:45:20,722 INFO L134 CoverageAnalysis]: Checked inductivity of 3591 backedges. 1490 proven. 2 refuted. 0 times theorem prover too weak. 2099 trivial. 0 not checked. [2018-12-09 17:45:20,722 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:45:20,722 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:45:20,722 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1490 with the following transitions: [2018-12-09 17:45:20,723 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [29], [33], [37], [41], [52], [55], [73], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [758], [759], [762], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [911], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1299], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1562], [1566], [1570], [1573], [1578], [1580], [1581], [1585], [1589], [1593], [1597], [1601], [1612], [1616], [1620], [1624], [1628], [1632], [1634], [1635], [1639], [1648], [1652], [1654], [1659], [1660], [1661], [1662], [1663], [1665], [1666] [2018-12-09 17:45:20,726 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:45:20,726 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:45:26,082 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 17:45:26,082 INFO L272 AbstractInterpreter]: Visited 319 different actions 1259 times. Merged at 8 different actions 23 times. Never widened. Performed 17998 root evaluator evaluations with a maximum evaluation depth of 21. Performed 17998 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 16 fixpoints after 5 different actions. Largest state had 24 variables. [2018-12-09 17:45:26,083 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:45:26,083 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 17:45:26,083 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:45:26,084 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a869a4b0-6e6a-4a13-a327-06eefaa884ad/bin-2019/utaipan/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 17:45:26,089 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:45:26,089 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 17:45:26,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:45:26,252 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:45:26,821 INFO L134 CoverageAnalysis]: Checked inductivity of 3591 backedges. 1490 proven. 2 refuted. 0 times theorem prover too weak. 2099 trivial. 0 not checked. [2018-12-09 17:45:26,821 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 17:45:27,860 INFO L134 CoverageAnalysis]: Checked inductivity of 3591 backedges. 1490 proven. 2 refuted. 0 times theorem prover too weak. 2099 trivial. 0 not checked. [2018-12-09 17:45:27,876 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 17:45:27,876 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2018-12-09 17:45:27,876 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 17:45:27,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 17:45:27,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 17:45:27,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-12-09 17:45:27,877 INFO L87 Difference]: Start difference. First operand 23807 states and 24574 transitions. Second operand 7 states. [2018-12-09 17:45:29,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:45:29,660 INFO L93 Difference]: Finished difference Result 41668 states and 43077 transitions. [2018-12-09 17:45:29,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 17:45:29,660 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1489 [2018-12-09 17:45:29,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:45:29,661 INFO L225 Difference]: With dead ends: 41668 [2018-12-09 17:45:29,661 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 17:45:29,682 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2993 GetRequests, 2978 SyntacticMatches, 5 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2018-12-09 17:45:29,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 17:45:29,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 17:45:29,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 17:45:29,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 17:45:29,683 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1489 [2018-12-09 17:45:29,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:45:29,683 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 17:45:29,683 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 17:45:29,684 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 17:45:29,684 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 17:45:29,687 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 17:45:29,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:29,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:29,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:29,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:29,848 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:29,848 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:29,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:29,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:29,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:29,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:29,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:29,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:29,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:29,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:29,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,148 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,451 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:30,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:31,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:31,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:31,276 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:31,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:31,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:31,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:31,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:31,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:31,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:31,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:31,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:31,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:31,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:31,861 WARN L180 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 1158 DAG size of output: 957 [2018-12-09 17:45:31,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:31,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:31,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:31,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:31,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:31,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:31,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:31,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:31,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:31,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:31,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:32,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:32,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:32,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:32,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:32,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:32,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:32,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:32,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:32,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:32,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:32,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:32,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:32,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:32,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:32,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:32,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:32,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:32,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:32,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:33,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:33,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:33,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:33,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:33,152 WARN L180 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1152 DAG size of output: 951 [2018-12-09 17:45:33,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:33,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:33,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:33,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:33,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:33,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:33,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:33,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:33,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:33,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:33,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:33,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:33,484 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:33,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:33,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:33,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:33,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:33,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:33,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:33,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:45:39,329 WARN L180 SmtUtils]: Spent 5.65 s on a formula simplification. DAG size of input: 902 DAG size of output: 199 [2018-12-09 17:45:44,514 WARN L180 SmtUtils]: Spent 5.15 s on a formula simplification. DAG size of input: 908 DAG size of output: 202 [2018-12-09 17:45:54,624 WARN L180 SmtUtils]: Spent 10.09 s on a formula simplification. DAG size of input: 941 DAG size of output: 143 [2018-12-09 17:46:03,929 WARN L180 SmtUtils]: Spent 9.30 s on a formula simplification. DAG size of input: 935 DAG size of output: 146 [2018-12-09 17:46:10,248 WARN L180 SmtUtils]: Spent 6.30 s on a formula simplification. DAG size of input: 963 DAG size of output: 221 [2018-12-09 17:46:10,251 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 17:46:10,251 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= |old(~a29~0)| ~a29~0) (= ~a2~0 |old(~a2~0)|) (<= ~a29~0 |old(~a29~0)|) (= ~a0~0 |old(~a0~0)|) (= ~a4~0 |old(~a4~0)|)) [2018-12-09 17:46:10,251 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 17:46:10,251 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1658 1758) no Hoare annotation was computed. [2018-12-09 17:46:10,251 INFO L448 ceAbstractionStarter]: For program point L1749(lines 1749 1756) no Hoare annotation was computed. [2018-12-09 17:46:10,251 INFO L448 ceAbstractionStarter]: For program point L1729(lines 1729 1756) no Hoare annotation was computed. [2018-12-09 17:46:10,251 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1658 1758) the Hoare annotation is: (let ((.cse41 (+ |old(~a4~0)| 89)) (.cse39 (+ |old(~a29~0)| 127))) (let ((.cse18 (< .cse39 0)) (.cse8 (< 0 .cse41)) (.cse45 (= 3 |old(~a2~0)|)) (.cse27 (= 4 |old(~a2~0)|))) (let ((.cse38 (or .cse8 .cse45 (< 0 .cse39) .cse27)) (.cse1 (not (= |old(~a2~0)| 1))) (.cse36 (= 1 ~a2~0)) (.cse43 (= ~a2~0 |old(~a2~0)|)) (.cse44 (+ |old(~a0~0)| 147)) (.cse25 (< |old(~a2~0)| 4)) (.cse26 (< 0 (+ |old(~a0~0)| 104))) (.cse29 (<= |old(~a29~0)| ~a29~0)) (.cse31 (<= ~a29~0 |old(~a29~0)|)) (.cse11 (= 3 ~a2~0)) (.cse10 (= ~a0~0 |old(~a0~0)|)) (.cse23 (<= (+ |old(~a29~0)| 16) 0)) (.cse35 (or .cse8 .cse45 .cse18 .cse27)) (.cse30 (= |old(~a2~0)| ~a2~0)) (.cse9 (= ~a29~0 |old(~a29~0)|)) (.cse12 (= ~a4~0 |old(~a4~0)|))) (let ((.cse2 (< 0 (+ |old(~a0~0)| 300076))) (.cse19 (and .cse30 .cse9 .cse12)) (.cse21 (< 929269 |old(~a29~0)|)) (.cse20 (or .cse23 .cse35)) (.cse28 (and (and .cse9 .cse11) .cse10 .cse12)) (.cse32 (= 2 ~a2~0)) (.cse14 (not .cse45)) (.cse37 (and .cse29 .cse31 .cse10 .cse11 .cse12)) (.cse4 (or .cse25 .cse18 .cse26 .cse27)) (.cse5 (< 0 .cse44)) (.cse22 (and .cse29 .cse43 .cse31 .cse10 .cse12)) (.cse17 (not .cse27)) (.cse6 (and .cse29 .cse30 .cse31 .cse10 .cse12)) (.cse16 (not (= 2 |old(~a2~0)|))) (.cse33 (< 0 (+ |old(~a29~0)| 144))) (.cse3 (and .cse29 .cse36 .cse31 .cse10 .cse12)) (.cse34 (< 43 |old(~a29~0)|)) (.cse13 (<= .cse44 0)) (.cse0 (< 0 (+ |old(~a4~0)| 42))) (.cse15 (< (+ |old(~a4~0)| 85) 0)) (.cse24 (< 0 (+ |old(~a0~0)| 98))) (.cse7 (< 0 (+ |old(~a0~0)| 61))) (.cse42 (and (or .cse38 .cse1) (or .cse35 .cse1)))) (and (or (or .cse0 .cse1) .cse2 .cse3) (or (or .cse0 .cse4) .cse5 .cse6) (or .cse7 .cse8 (and .cse9 .cse10 .cse11 .cse12) .cse13 .cse14) (or .cse0 .cse5 .cse15 .cse6 .cse16) (or (or .cse17 .cse0 .cse2 .cse15 .cse18) .cse6) (or .cse7 (and .cse10 .cse19) .cse16 .cse20) (or .cse0 .cse21 .cse22 (or .cse23 .cse15) .cse16 .cse24) (or .cse0 .cse6 (or .cse25 .cse15 .cse13 .cse26 .cse27)) (or .cse5 .cse28 (or .cse0 .cse23 .cse14)) (or (and (and .cse29 .cse30 .cse31 .cse12) (= |old(~a0~0)| ~a0~0)) (or (or .cse25 .cse0 .cse15 .cse27) .cse2)) (or .cse7 .cse17 .cse8 (and .cse19 .cse10)) (or (and .cse29 .cse31 .cse10 .cse32 .cse12) .cse21 .cse20 .cse16) (or .cse5 .cse28 (or .cse0 .cse33 .cse14)) (or .cse6 .cse34 .cse35 .cse16) (or .cse6 (or .cse17 .cse8 .cse34)) (or (and (and .cse9 .cse36) .cse10 .cse12) (or .cse23 .cse15 .cse1) .cse0 .cse34) (or (or (and (or (or .cse0 .cse34 .cse18 .cse13) .cse14) (or .cse0 .cse15 .cse14)) .cse24) (and (and .cse29 .cse10 .cse11 .cse12) .cse31)) (or (or .cse8 .cse23) .cse37 .cse14) (or (and .cse29 .cse31 .cse30 .cse10 .cse12) (or .cse25 (or .cse8 .cse27))) (or .cse17 .cse0 .cse5 .cse15 .cse33 .cse6) (or .cse7 .cse38 (and .cse9 .cse10 .cse32 .cse12) .cse16) (or (or .cse8 .cse14 .cse33) .cse37) (or (or .cse0 .cse34 .cse4) .cse6) (let ((.cse40 (+ |old(~a0~0)| 44))) (or (and .cse12 .cse36 .cse10 (= (+ ~a29~0 127) 0)) (not (= 0 .cse39)) .cse1 (< 0 .cse40) (not (= 0 .cse41)) (< .cse40 0))) (or .cse5 (or .cse0 (or (< |old(~a29~0)| 43) .cse1)) .cse22) (or (or .cse42 .cse33) (and (and .cse9 .cse43) .cse10 .cse12)) (or (and (and .cse9 (= 4 ~a2~0)) .cse10 .cse12) (or .cse0 (or .cse17 .cse23 .cse15) .cse26)) (or .cse38 .cse6 .cse16 .cse33) (or .cse3 (or .cse7 .cse0 .cse34 .cse13 .cse1)) (or (or .cse0 (or .cse25 .cse23 .cse15 .cse27)) (and (and .cse29 .cse43 .cse10 .cse12) .cse31) .cse24) (or .cse7 .cse42 (and .cse10 (and .cse9 .cse36 .cse12)))))))) [2018-12-09 17:46:10,251 INFO L448 ceAbstractionStarter]: For program point L1742(lines 1742 1756) no Hoare annotation was computed. [2018-12-09 17:46:10,251 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1756) no Hoare annotation was computed. [2018-12-09 17:46:10,251 INFO L448 ceAbstractionStarter]: For program point L1672(lines 1672 1756) no Hoare annotation was computed. [2018-12-09 17:46:10,251 INFO L448 ceAbstractionStarter]: For program point L1701(lines 1701 1756) no Hoare annotation was computed. [2018-12-09 17:46:10,252 INFO L448 ceAbstractionStarter]: For program point L1668(lines 1668 1756) no Hoare annotation was computed. [2018-12-09 17:46:10,252 INFO L448 ceAbstractionStarter]: For program point L1722(lines 1722 1756) no Hoare annotation was computed. [2018-12-09 17:46:10,252 INFO L448 ceAbstractionStarter]: For program point L1685(lines 1685 1756) no Hoare annotation was computed. [2018-12-09 17:46:10,252 INFO L448 ceAbstractionStarter]: For program point L1710(lines 1710 1721) no Hoare annotation was computed. [2018-12-09 17:46:10,252 INFO L448 ceAbstractionStarter]: For program point L1710-2(lines 1710 1721) no Hoare annotation was computed. [2018-12-09 17:46:10,252 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1658 1758) no Hoare annotation was computed. [2018-12-09 17:46:10,252 INFO L448 ceAbstractionStarter]: For program point L1706(lines 1706 1756) no Hoare annotation was computed. [2018-12-09 17:46:10,252 INFO L448 ceAbstractionStarter]: For program point L1735(lines 1735 1756) no Hoare annotation was computed. [2018-12-09 17:46:10,252 INFO L448 ceAbstractionStarter]: For program point L1694(lines 1694 1756) no Hoare annotation was computed. [2018-12-09 17:46:10,252 INFO L448 ceAbstractionStarter]: For program point L1661(lines 1661 1756) no Hoare annotation was computed. [2018-12-09 17:46:10,252 INFO L448 ceAbstractionStarter]: For program point L1686(lines 1686 1693) no Hoare annotation was computed. [2018-12-09 17:46:10,252 INFO L448 ceAbstractionStarter]: For program point L1686-2(lines 1686 1693) no Hoare annotation was computed. [2018-12-09 17:46:10,252 INFO L448 ceAbstractionStarter]: For program point L1678(lines 1678 1756) no Hoare annotation was computed. [2018-12-09 17:46:10,252 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,252 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,252 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,252 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,252 INFO L448 ceAbstractionStarter]: For program point L895(lines 895 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,252 INFO L448 ceAbstractionStarter]: For program point L829(lines 829 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,252 INFO L448 ceAbstractionStarter]: For program point L433(lines 433 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,252 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,252 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-09 17:46:10,252 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-09 17:46:10,252 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-09 17:46:10,252 INFO L448 ceAbstractionStarter]: For program point L830(lines 830 839) no Hoare annotation was computed. [2018-12-09 17:46:10,253 INFO L448 ceAbstractionStarter]: For program point L830-2(lines 830 839) no Hoare annotation was computed. [2018-12-09 17:46:10,253 INFO L448 ceAbstractionStarter]: For program point L1623(lines 1623 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,253 INFO L448 ceAbstractionStarter]: For program point L1359(lines 1359 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,253 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,253 INFO L448 ceAbstractionStarter]: For program point L1162(lines 1162 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,253 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,253 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,253 INFO L448 ceAbstractionStarter]: For program point L1030(lines 1030 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,253 INFO L448 ceAbstractionStarter]: For program point L634(lines 634 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,253 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,253 INFO L448 ceAbstractionStarter]: For program point L502(lines 502 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,253 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-09 17:46:10,253 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-09 17:46:10,253 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-09 17:46:10,253 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,253 INFO L448 ceAbstractionStarter]: For program point L1494(lines 1494 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,253 INFO L448 ceAbstractionStarter]: For program point L1098(lines 1098 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,253 INFO L448 ceAbstractionStarter]: For program point L966(lines 966 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,253 INFO L448 ceAbstractionStarter]: For program point L768(lines 768 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,253 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,253 INFO L448 ceAbstractionStarter]: For program point L1231(lines 1231 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,253 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,253 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,253 INFO L448 ceAbstractionStarter]: For program point L1099(lines 1099 1107) no Hoare annotation was computed. [2018-12-09 17:46:10,254 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,254 INFO L448 ceAbstractionStarter]: For program point L1099-2(lines 1099 1107) no Hoare annotation was computed. [2018-12-09 17:46:10,254 INFO L448 ceAbstractionStarter]: For program point L901(lines 901 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,254 INFO L448 ceAbstractionStarter]: For program point L439(lines 439 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,254 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,254 INFO L448 ceAbstractionStarter]: For program point L307(lines 307 319) no Hoare annotation was computed. [2018-12-09 17:46:10,254 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,254 INFO L448 ceAbstractionStarter]: For program point L307-2(lines 307 319) no Hoare annotation was computed. [2018-12-09 17:46:10,254 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-09 17:46:10,254 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-09 17:46:10,254 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-09 17:46:10,254 INFO L448 ceAbstractionStarter]: For program point L1629(lines 1629 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,254 INFO L448 ceAbstractionStarter]: For program point L1431(lines 1431 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,254 INFO L448 ceAbstractionStarter]: For program point L1365(lines 1365 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,254 INFO L448 ceAbstractionStarter]: For program point L1035(lines 1035 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,254 INFO L448 ceAbstractionStarter]: For program point L507(lines 507 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,254 INFO L448 ceAbstractionStarter]: For program point L1300(lines 1300 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,254 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,254 INFO L448 ceAbstractionStarter]: For program point L1168(lines 1168 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,255 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,255 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,255 INFO L448 ceAbstractionStarter]: For program point L574(lines 574 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,255 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-09 17:46:10,255 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-09 17:46:10,255 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-09 17:46:10,255 INFO L448 ceAbstractionStarter]: For program point L707(lines 707 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,255 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,255 INFO L448 ceAbstractionStarter]: For program point L575(lines 575 586) no Hoare annotation was computed. [2018-12-09 17:46:10,255 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,255 INFO L448 ceAbstractionStarter]: For program point L575-2(lines 575 586) no Hoare annotation was computed. [2018-12-09 17:46:10,255 INFO L448 ceAbstractionStarter]: For program point L1038(lines 1038 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,255 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,255 INFO L448 ceAbstractionStarter]: For program point L774(lines 774 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,256 INFO L448 ceAbstractionStarter]: For program point L642(lines 642 651) no Hoare annotation was computed. [2018-12-09 17:46:10,256 INFO L448 ceAbstractionStarter]: For program point L642-2(lines 642 651) no Hoare annotation was computed. [2018-12-09 17:46:10,256 INFO L448 ceAbstractionStarter]: For program point L1501(lines 1501 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,256 INFO L448 ceAbstractionStarter]: For program point L1237(lines 1237 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,256 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,256 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,256 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,256 INFO L448 ceAbstractionStarter]: For program point L973(lines 973 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,256 INFO L448 ceAbstractionStarter]: For program point L907(lines 907 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,256 INFO L448 ceAbstractionStarter]: For program point L445(lines 445 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,256 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,256 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-09 17:46:10,256 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,256 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-09 17:46:10,256 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-09 17:46:10,257 INFO L448 ceAbstractionStarter]: For program point L1635(lines 1635 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,257 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,257 INFO L448 ceAbstractionStarter]: For program point L1371(lines 1371 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,257 INFO L448 ceAbstractionStarter]: For program point L1570(lines 1570 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,257 INFO L448 ceAbstractionStarter]: For program point L1438(lines 1438 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,257 INFO L448 ceAbstractionStarter]: For program point L1306(lines 1306 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,257 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,257 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,257 INFO L448 ceAbstractionStarter]: For program point L1108(lines 1108 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,257 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,257 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,257 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,257 INFO L448 ceAbstractionStarter]: For program point L1571(lines 1571 1581) no Hoare annotation was computed. [2018-12-09 17:46:10,257 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,257 INFO L448 ceAbstractionStarter]: For program point L1571-2(lines 1571 1581) no Hoare annotation was computed. [2018-12-09 17:46:10,258 INFO L448 ceAbstractionStarter]: For program point L1439(lines 1439 1448) no Hoare annotation was computed. [2018-12-09 17:46:10,258 INFO L448 ceAbstractionStarter]: For program point L1439-2(lines 1439 1448) no Hoare annotation was computed. [2018-12-09 17:46:10,258 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-09 17:46:10,258 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-09 17:46:10,258 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-09 17:46:10,258 INFO L448 ceAbstractionStarter]: For program point L845(lines 845 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,258 INFO L448 ceAbstractionStarter]: For program point L779(lines 779 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,258 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,258 INFO L448 ceAbstractionStarter]: For program point L1044(lines 1044 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,258 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,258 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,258 INFO L448 ceAbstractionStarter]: For program point L1243(lines 1243 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,258 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,258 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,258 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,259 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,259 INFO L448 ceAbstractionStarter]: For program point L1640(lines 1640 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,259 INFO L448 ceAbstractionStarter]: For program point L1508(lines 1508 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,259 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,259 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-09 17:46:10,259 INFO L448 ceAbstractionStarter]: For program point L1178(lines 1178 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,259 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-09 17:46:10,259 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-09 17:46:10,259 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,259 INFO L448 ceAbstractionStarter]: For program point L1378(lines 1378 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,259 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,259 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,259 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,259 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,259 INFO L448 ceAbstractionStarter]: For program point L652(lines 652 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,259 INFO L448 ceAbstractionStarter]: For program point L520(lines 520 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,259 INFO L448 ceAbstractionStarter]: For program point L1511(lines 1511 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,259 INFO L448 ceAbstractionStarter]: For program point L1313(lines 1313 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,259 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-09 17:46:10,259 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-09 17:46:10,259 INFO L448 ceAbstractionStarter]: For program point L1115(lines 1115 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,259 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-09 17:46:10,259 INFO L448 ceAbstractionStarter]: For program point L1049(lines 1049 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,259 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,260 INFO L448 ceAbstractionStarter]: For program point L587(lines 587 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,260 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 528) no Hoare annotation was computed. [2018-12-09 17:46:10,260 INFO L448 ceAbstractionStarter]: For program point L521-2(lines 521 528) no Hoare annotation was computed. [2018-12-09 17:46:10,260 INFO L448 ceAbstractionStarter]: For program point L1050(lines 1050 1061) no Hoare annotation was computed. [2018-12-09 17:46:10,260 INFO L448 ceAbstractionStarter]: For program point L1050-2(lines 1050 1061) no Hoare annotation was computed. [2018-12-09 17:46:10,260 INFO L448 ceAbstractionStarter]: For program point L786(lines 786 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,260 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1656) the Hoare annotation is: (let ((.cse40 (+ |old(~a4~0)| 89)) (.cse38 (+ |old(~a29~0)| 127))) (let ((.cse18 (< .cse38 0)) (.cse8 (< 0 .cse40)) (.cse45 (= 3 |old(~a2~0)|)) (.cse27 (= 4 |old(~a2~0)|))) (let ((.cse37 (or .cse8 .cse45 (< 0 .cse38) .cse27)) (.cse1 (not (= |old(~a2~0)| 1))) (.cse35 (= 1 ~a2~0)) (.cse42 (= ~a2~0 |old(~a2~0)|)) (.cse44 (+ |old(~a0~0)| 147)) (.cse25 (< |old(~a2~0)| 4)) (.cse26 (< 0 (+ |old(~a0~0)| 104))) (.cse29 (<= |old(~a29~0)| ~a29~0)) (.cse31 (<= ~a29~0 |old(~a29~0)|)) (.cse11 (= 3 ~a2~0)) (.cse10 (= ~a0~0 |old(~a0~0)|)) (.cse23 (<= (+ |old(~a29~0)| 16) 0)) (.cse41 (or .cse8 .cse45 .cse18 .cse27)) (.cse30 (= |old(~a2~0)| ~a2~0)) (.cse9 (= ~a29~0 |old(~a29~0)|)) (.cse12 (= ~a4~0 |old(~a4~0)|))) (let ((.cse2 (< 0 (+ |old(~a0~0)| 300076))) (.cse19 (and .cse30 .cse9 .cse12)) (.cse21 (< 929269 |old(~a29~0)|)) (.cse20 (or .cse23 .cse41)) (.cse28 (and (and .cse9 .cse11) .cse10 .cse12)) (.cse32 (= 2 ~a2~0)) (.cse14 (not .cse45)) (.cse36 (and .cse29 .cse31 .cse10 .cse11 .cse12)) (.cse4 (or .cse25 .cse18 .cse26 .cse27)) (.cse5 (< 0 .cse44)) (.cse22 (and .cse29 .cse42 .cse31 .cse10 .cse12)) (.cse17 (not .cse27)) (.cse6 (and .cse29 .cse30 .cse31 .cse10 .cse12)) (.cse16 (not (= 2 |old(~a2~0)|))) (.cse33 (< 0 (+ |old(~a29~0)| 144))) (.cse3 (and .cse29 .cse35 .cse31 .cse10 .cse12)) (.cse34 (< 43 |old(~a29~0)|)) (.cse13 (<= .cse44 0)) (.cse0 (< 0 (+ |old(~a4~0)| 42))) (.cse15 (< (+ |old(~a4~0)| 85) 0)) (.cse24 (< 0 (+ |old(~a0~0)| 98))) (.cse7 (< 0 (+ |old(~a0~0)| 61))) (.cse43 (and (or .cse37 .cse1) (or .cse41 .cse1)))) (and (or (or .cse0 .cse1) .cse2 .cse3) (or (or .cse0 .cse4) .cse5 .cse6) (or .cse7 .cse8 (and .cse9 .cse10 .cse11 .cse12) .cse13 .cse14) (or .cse0 .cse5 .cse15 .cse6 .cse16) (or (or .cse17 .cse0 .cse2 .cse15 .cse18) .cse6) (or .cse7 (and .cse10 .cse19) .cse16 .cse20) (or .cse0 .cse21 .cse22 (or .cse23 .cse15) .cse16 .cse24) (or .cse0 .cse6 (or .cse25 .cse15 .cse13 .cse26 .cse27)) (or .cse5 .cse28 (or .cse0 .cse23 .cse14)) (or (and (and .cse29 .cse30 .cse31 .cse12) (= |old(~a0~0)| ~a0~0)) (or (or .cse25 .cse0 .cse15 .cse27) .cse2)) (or .cse7 .cse17 .cse8 (and .cse19 .cse10)) (or (and .cse29 .cse31 .cse10 .cse32 .cse12) .cse21 .cse20 .cse16) (or .cse5 .cse28 (or .cse0 .cse33 .cse14)) (or .cse6 (or .cse17 .cse8 .cse34)) (or (and (and .cse9 .cse35) .cse10 .cse12) (or .cse23 .cse15 .cse1) .cse0 .cse34) (or (or (and (or (or .cse0 .cse34 .cse18 .cse13) .cse14) (or .cse0 .cse15 .cse14)) .cse24) (and (and .cse29 .cse10 .cse11 .cse12) .cse31)) (or (or .cse8 .cse23) .cse36 .cse14) (or (and .cse29 .cse31 .cse30 .cse10 .cse12) (or .cse25 (or .cse8 .cse27))) (or .cse17 .cse0 .cse5 .cse15 .cse33 .cse6) (or .cse7 .cse37 (and .cse9 .cse10 .cse32 .cse12) .cse16) (let ((.cse39 (+ |old(~a0~0)| 44))) (or (not (= 0 .cse38)) (= |calculate_output_#in~input| 0) .cse1 (< 0 .cse39) (not (= 0 .cse40)) (< .cse39 0) (and .cse12 .cse35 .cse10 (= (+ ~a29~0 127) 0)))) (or (or .cse8 .cse14 .cse33) .cse36) (or .cse6 (or .cse34 .cse41 .cse16)) (or (or .cse0 .cse34 .cse4) .cse6) (or .cse5 (or .cse0 (or (< |old(~a29~0)| 43) .cse1)) .cse22) (or (and (and .cse9 .cse42) .cse10 .cse12) (or .cse43 .cse33)) (or (and (and .cse9 (= 4 ~a2~0)) .cse10 .cse12) (or .cse0 (or .cse17 .cse23 .cse15) .cse26)) (or .cse37 .cse6 .cse16 .cse33) (or .cse3 (or .cse7 .cse0 .cse34 .cse13 .cse1)) (or (or .cse0 (or .cse25 .cse23 .cse15 .cse27)) (and (and .cse29 .cse42 .cse10 .cse12) .cse31) .cse24) (or .cse7 .cse43 (and .cse10 (and .cse9 .cse35 .cse12)))))))) [2018-12-09 17:46:10,260 INFO L448 ceAbstractionStarter]: For program point L456(lines 456 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,260 INFO L448 ceAbstractionStarter]: For program point L390(lines 390 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,260 INFO L448 ceAbstractionStarter]: For program point L1249(lines 1249 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,260 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,260 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,260 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,260 INFO L448 ceAbstractionStarter]: For program point L985(lines 985 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,260 INFO L448 ceAbstractionStarter]: For program point L919(lines 919 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,260 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 402) no Hoare annotation was computed. [2018-12-09 17:46:10,261 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 391 402) no Hoare annotation was computed. [2018-12-09 17:46:10,261 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-09 17:46:10,261 INFO L448 ceAbstractionStarter]: For program point L1184(lines 1184 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,261 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-09 17:46:10,261 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-09 17:46:10,261 INFO L448 ceAbstractionStarter]: For program point L1647(lines 1647 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,261 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,261 INFO L448 ceAbstractionStarter]: For program point L1317(lines 1317 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,261 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,261 INFO L448 ceAbstractionStarter]: For program point L855(lines 855 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,261 INFO L448 ceAbstractionStarter]: For program point L657(lines 657 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,261 INFO L448 ceAbstractionStarter]: For program point L1582(lines 1582 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,261 INFO L448 ceAbstractionStarter]: For program point L1516(lines 1516 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,261 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,261 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,261 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,261 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,261 INFO L448 ceAbstractionStarter]: For program point L1385(lines 1385 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,261 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-09 17:46:10,261 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-09 17:46:10,261 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-09 17:46:10,261 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 160) no Hoare annotation was computed. [2018-12-09 17:46:10,261 INFO L448 ceAbstractionStarter]: For program point L725(lines 725 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,261 INFO L448 ceAbstractionStarter]: For program point L1122(lines 1122 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,261 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,261 INFO L448 ceAbstractionStarter]: For program point L462(lines 462 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,262 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,262 INFO L448 ceAbstractionStarter]: For program point L1255(lines 1255 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,262 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,262 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,262 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,262 INFO L448 ceAbstractionStarter]: For program point L925(lines 925 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,262 INFO L448 ceAbstractionStarter]: For program point L793(lines 793 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,262 INFO L448 ceAbstractionStarter]: For program point L595(lines 595 605) no Hoare annotation was computed. [2018-12-09 17:46:10,262 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,262 INFO L448 ceAbstractionStarter]: For program point L595-2(lines 595 605) no Hoare annotation was computed. [2018-12-09 17:46:10,262 INFO L448 ceAbstractionStarter]: For program point L1388(lines 1388 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,262 INFO L448 ceAbstractionStarter]: For program point L1322(lines 1322 1332) no Hoare annotation was computed. [2018-12-09 17:46:10,262 INFO L448 ceAbstractionStarter]: For program point L1322-2(lines 1322 1332) no Hoare annotation was computed. [2018-12-09 17:46:10,262 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-09 17:46:10,262 INFO L448 ceAbstractionStarter]: For program point L1190(lines 1190 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,262 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-09 17:46:10,262 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-09 17:46:10,262 INFO L448 ceAbstractionStarter]: For program point L992(lines 992 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,262 INFO L448 ceAbstractionStarter]: For program point L794(lines 794 803) no Hoare annotation was computed. [2018-12-09 17:46:10,262 INFO L448 ceAbstractionStarter]: For program point L794-2(lines 794 803) no Hoare annotation was computed. [2018-12-09 17:46:10,262 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,262 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 541) no Hoare annotation was computed. [2018-12-09 17:46:10,262 INFO L448 ceAbstractionStarter]: For program point L530-2(lines 530 541) no Hoare annotation was computed. [2018-12-09 17:46:10,262 INFO L448 ceAbstractionStarter]: For program point L266(lines 266 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,262 INFO L448 ceAbstractionStarter]: For program point L1522(lines 1522 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,262 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,263 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,263 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,263 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,263 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,263 INFO L448 ceAbstractionStarter]: For program point L862(lines 862 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,263 INFO L444 ceAbstractionStarter]: At program point L1655(line 1655) the Hoare annotation is: (let ((.cse53 (+ |old(~a4~0)| 89)) (.cse47 (+ |old(~a29~0)| 127))) (let ((.cse15 (< .cse47 0)) (.cse8 (< 0 .cse53)) (.cse55 (= 3 |old(~a2~0)|)) (.cse52 (< 0 .cse47)) (.cse36 (= 4 |old(~a2~0)|)) (.cse22 (= |old(~a2~0)| ~a2~0)) (.cse37 (= ~a29~0 |old(~a29~0)|)) (.cse24 (= ~a4~0 |old(~a4~0)|))) (let ((.cse17 (and .cse22 .cse37 .cse24)) (.cse40 (or .cse8 .cse55 .cse52 .cse36)) (.cse1 (not (= |old(~a2~0)| 1))) (.cse46 (= 1 ~a2~0)) (.cse54 (+ |old(~a0~0)| 147)) (.cse42 (= ~a2~0 |old(~a2~0)|)) (.cse32 (<= (+ |old(~a29~0)| 16) 0)) (.cse20 (or .cse8 .cse55 .cse15 .cse36)) (.cse21 (<= |old(~a29~0)| ~a29~0)) (.cse23 (<= ~a29~0 |old(~a29~0)|)) (.cse16 (= ~a0~0 |old(~a0~0)|)) (.cse38 (= 3 ~a2~0)) (.cse25 (+ ~a29~0 16)) (.cse34 (< |old(~a2~0)| 4)) (.cse35 (< 0 (+ |old(~a0~0)| 104)))) (let ((.cse4 (or .cse34 .cse15 .cse35 .cse36)) (.cse28 (<= (+ ~a4~0 86) 0)) (.cse26 (+ ~a0~0 147)) (.cse29 (<= .cse25 0)) (.cse2 (< 0 (+ |old(~a0~0)| 300076))) (.cse33 (and .cse21 .cse23 .cse16 .cse38 .cse24)) (.cse30 (not (= 2 calculate_output_~input))) (.cse14 (not .cse36)) (.cse12 (< (+ |old(~a4~0)| 85) 0)) (.cse31 (< 0 (+ |old(~a0~0)| 98))) (.cse43 (< 929269 |old(~a29~0)|)) (.cse18 (or .cse32 .cse20)) (.cse44 (and (and .cse37 .cse42) .cse16 .cse24)) (.cse6 (and .cse21 .cse22 .cse23 .cse16 .cse24)) (.cse13 (not (= 2 |old(~a2~0)|))) (.cse39 (< 0 (+ |old(~a29~0)| 144))) (.cse9 (and .cse37 .cse16 .cse38 .cse24)) (.cse11 (not .cse55)) (.cse19 (< 43 |old(~a29~0)|)) (.cse10 (<= .cse54 0)) (.cse3 (and .cse21 .cse46 .cse23 .cse16 .cse24)) (.cse5 (< 0 .cse54)) (.cse0 (< 0 (+ |old(~a4~0)| 42))) (.cse41 (and .cse37 .cse46)) (.cse7 (< 0 (+ |old(~a0~0)| 61))) (.cse45 (and (or .cse40 .cse1) (or .cse20 .cse1))) (.cse51 (not (= 0 .cse53))) (.cse48 (= |calculate_output_#in~input| 0)) (.cse49 (not (= calculate_output_~input 0))) (.cse27 (and .cse17 .cse16))) (and (or (or .cse0 .cse1) .cse2 .cse3) (or (or .cse0 .cse4) .cse5 .cse6) (or .cse7 .cse8 .cse9 .cse10 .cse11) (or .cse0 .cse5 .cse12 .cse6 .cse13) (or (or .cse14 .cse0 .cse2 .cse12 .cse15) .cse6) (or .cse7 (and .cse16 .cse17) .cse13 .cse18) (or (or .cse19 .cse20 .cse13) (and .cse21 .cse22 .cse23 .cse16 .cse24 (or (< 0 .cse25) (< 0 .cse26)))) (or .cse7 .cse14 .cse8 .cse27) (or .cse0 (or .cse28 .cse29 .cse30) .cse10 .cse1 .cse19 .cse31) (or .cse6 (or .cse14 .cse8 .cse19)) (or (or .cse8 .cse32) .cse33 .cse11) (or .cse6 .cse0 (or .cse34 .cse12 .cse10 .cse35 .cse36)) (or (or .cse0 .cse19 .cse4) (and .cse16 .cse24 (and .cse37 .cse22))) (or (or (and (or (or .cse0 .cse19 .cse15 .cse10) .cse11) (or .cse0 .cse12 .cse11)) .cse31) (and .cse37 (or .cse28 (<= .cse26 0) .cse29 (not (= calculate_output_~input 2))) .cse16 .cse38 .cse24)) (or .cse14 .cse0 .cse5 .cse12 .cse39 .cse6) (or .cse6 (or (or .cse34 .cse0 .cse12 .cse36) .cse2)) (or .cse7 .cse40 (and .cse37 .cse16 (= 2 ~a2~0) .cse24) .cse13) (or (or .cse8 .cse11 .cse39) .cse33) (or (or .cse32 .cse12 .cse1) .cse0 .cse19 (and .cse41 .cse16 .cse24)) (or (and .cse21 .cse42 .cse23 .cse16 .cse24 (or (<= 44 |old(~a29~0)|) .cse30)) .cse0 .cse43 (or .cse32 .cse12 .cse10) .cse13 .cse31) (or .cse44 (or .cse0 (or .cse14 .cse32 .cse12) .cse35)) (or (or .cse0 (or .cse34 .cse32 .cse12 .cse36)) (and .cse16 .cse24 (and .cse22 .cse37)) .cse31) (or .cse43 .cse18 .cse13 (and .cse21 .cse42 .cse23 .cse16 .cse24)) (or .cse44 (or .cse45 .cse39)) (or (and .cse38 .cse21 .cse23 .cse16 .cse24) .cse5 (or .cse0 .cse39 .cse11)) (or .cse40 .cse6 .cse13 .cse39) (or .cse5 .cse9 (or .cse0 .cse32 .cse11)) (or (or .cse7 .cse0 .cse19 .cse10 .cse1) .cse3) (or .cse5 (or .cse0 (or (< |old(~a29~0)| 43) .cse1)) (and .cse16 .cse24 .cse41)) (or .cse7 .cse45 (and .cse16 (and .cse37 .cse46 .cse24))) (let ((.cse50 (+ |old(~a0~0)| 44))) (or (not (= 0 .cse47)) .cse48 (and .cse49 .cse24 .cse46 .cse16 (= (+ ~a29~0 127) 0)) .cse1 (< 0 .cse50) .cse51 (< .cse50 0))) (or (or .cse51 .cse52 .cse48) .cse49 .cse35 .cse1) (or (or .cse34 (or .cse8 .cse36)) .cse27)))))) [2018-12-09 17:46:10,263 INFO L448 ceAbstractionStarter]: For program point L1655-1(line 1655) no Hoare annotation was computed. [2018-12-09 17:46:10,263 INFO L448 ceAbstractionStarter]: For program point L1589(lines 1589 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,263 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-09 17:46:10,263 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-09 17:46:10,263 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-09 17:46:10,263 INFO L448 ceAbstractionStarter]: For program point L1128(lines 1128 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,263 INFO L448 ceAbstractionStarter]: For program point L1062(lines 1062 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,263 INFO L448 ceAbstractionStarter]: For program point L930(lines 930 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,263 INFO L448 ceAbstractionStarter]: For program point L732(lines 732 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,263 INFO L448 ceAbstractionStarter]: For program point L468(lines 468 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,264 INFO L448 ceAbstractionStarter]: For program point L336(lines 336 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,264 INFO L448 ceAbstractionStarter]: For program point L1261(lines 1261 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,264 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,264 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,264 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,264 INFO L448 ceAbstractionStarter]: For program point L1063(lines 1063 1073) no Hoare annotation was computed. [2018-12-09 17:46:10,264 INFO L448 ceAbstractionStarter]: For program point L1063-2(lines 1063 1073) no Hoare annotation was computed. [2018-12-09 17:46:10,264 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,264 INFO L448 ceAbstractionStarter]: For program point L1394(lines 1394 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,264 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-12-09 17:46:10,264 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-09 17:46:10,264 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-09 17:46:10,264 INFO L448 ceAbstractionStarter]: For program point L998(lines 998 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,264 INFO L448 ceAbstractionStarter]: For program point L668(lines 668 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,264 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,264 INFO L448 ceAbstractionStarter]: For program point L1395(lines 1395 1407) no Hoare annotation was computed. [2018-12-09 17:46:10,264 INFO L448 ceAbstractionStarter]: For program point L1395-2(lines 1395 1407) no Hoare annotation was computed. [2018-12-09 17:46:10,264 INFO L448 ceAbstractionStarter]: For program point L1197(lines 1197 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,264 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,264 INFO L448 ceAbstractionStarter]: For program point L1528(lines 1528 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,264 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,264 INFO L448 ceAbstractionStarter]: For program point L1264(lines 1264 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,264 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,264 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,265 INFO L448 ceAbstractionStarter]: For program point L868(lines 868 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,265 INFO L448 ceAbstractionStarter]: For program point L1595(lines 1595 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,265 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-09 17:46:10,265 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-09 17:46:10,265 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,265 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,265 INFO L448 ceAbstractionStarter]: For program point L1134(lines 1134 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,265 INFO L448 ceAbstractionStarter]: For program point L804(lines 804 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,265 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,265 INFO L448 ceAbstractionStarter]: For program point L474(lines 474 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,265 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,265 INFO L448 ceAbstractionStarter]: For program point L342(lines 342 349) no Hoare annotation was computed. [2018-12-09 17:46:10,265 INFO L448 ceAbstractionStarter]: For program point L1333(lines 1333 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,265 INFO L448 ceAbstractionStarter]: For program point L342-2(lines 342 349) no Hoare annotation was computed. [2018-12-09 17:46:10,265 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,265 INFO L448 ceAbstractionStarter]: For program point L1135(lines 1135 1144) no Hoare annotation was computed. [2018-12-09 17:46:10,265 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,265 INFO L448 ceAbstractionStarter]: For program point L1135-2(lines 1135 1144) no Hoare annotation was computed. [2018-12-09 17:46:10,265 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,265 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-09 17:46:10,265 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-09 17:46:10,265 INFO L448 ceAbstractionStarter]: For program point L1004(lines 1004 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,265 INFO L448 ceAbstractionStarter]: For program point L542(lines 542 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,265 INFO L448 ceAbstractionStarter]: For program point L1533(lines 1533 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,265 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,265 INFO L448 ceAbstractionStarter]: For program point L1203(lines 1203 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,266 INFO L448 ceAbstractionStarter]: For program point L675(lines 675 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,266 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,266 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,266 INFO L448 ceAbstractionStarter]: For program point L874(lines 874 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,266 INFO L448 ceAbstractionStarter]: For program point L742(lines 742 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,266 INFO L448 ceAbstractionStarter]: For program point L1271(lines 1271 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,266 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,266 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-09 17:46:10,266 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-09 17:46:10,266 INFO L448 ceAbstractionStarter]: For program point L1602(lines 1602 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,266 INFO L448 ceAbstractionStarter]: For program point L479(lines 479 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,266 INFO L448 ceAbstractionStarter]: For program point L1338(lines 1338 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,266 INFO L448 ceAbstractionStarter]: For program point L1074(lines 1074 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,266 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,266 INFO L448 ceAbstractionStarter]: For program point L546(lines 546 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,266 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,266 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,266 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,266 INFO L448 ceAbstractionStarter]: For program point L811(lines 811 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,266 INFO L448 ceAbstractionStarter]: For program point L613(lines 613 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,266 INFO L448 ceAbstractionStarter]: For program point L547(lines 547 556) no Hoare annotation was computed. [2018-12-09 17:46:10,266 INFO L448 ceAbstractionStarter]: For program point L547-2(lines 547 556) no Hoare annotation was computed. [2018-12-09 17:46:10,266 INFO L448 ceAbstractionStarter]: For program point L415(lines 415 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,266 INFO L448 ceAbstractionStarter]: For program point L1208(lines 1208 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,266 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-09 17:46:10,266 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-09 17:46:10,266 INFO L448 ceAbstractionStarter]: For program point L1473(lines 1473 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,267 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,267 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,267 INFO L448 ceAbstractionStarter]: For program point L681(lines 681 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,267 INFO L448 ceAbstractionStarter]: For program point L1606(lines 1606 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,267 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,267 INFO L448 ceAbstractionStarter]: For program point L1408(lines 1408 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,267 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,267 INFO L448 ceAbstractionStarter]: For program point L219(lines 219 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,267 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,267 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,267 INFO L448 ceAbstractionStarter]: For program point L880(lines 880 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,267 INFO L448 ceAbstractionStarter]: For program point L748(lines 748 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,267 INFO L448 ceAbstractionStarter]: For program point L1277(lines 1277 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,267 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 228) no Hoare annotation was computed. [2018-12-09 17:46:10,267 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-09 17:46:10,267 INFO L448 ceAbstractionStarter]: For program point L220-2(lines 220 228) no Hoare annotation was computed. [2018-12-09 17:46:10,267 INFO L448 ceAbstractionStarter]: For program point L1145(lines 1145 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,267 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-09 17:46:10,267 INFO L448 ceAbstractionStarter]: For program point L1344(lines 1344 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,267 INFO L448 ceAbstractionStarter]: For program point L1212(lines 1212 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,267 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,267 INFO L448 ceAbstractionStarter]: For program point L486(lines 486 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,267 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,267 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,267 INFO L448 ceAbstractionStarter]: For program point L1081(lines 1081 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,267 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-12-09 17:46:10,267 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,267 INFO L448 ceAbstractionStarter]: For program point L817(lines 817 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,268 INFO L448 ceAbstractionStarter]: For program point L1478(lines 1478 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,268 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,268 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-09 17:46:10,268 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-09 17:46:10,268 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-09 17:46:10,268 INFO L448 ceAbstractionStarter]: For program point L1016(lines 1016 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,268 INFO L448 ceAbstractionStarter]: For program point L620(lines 620 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,268 INFO L448 ceAbstractionStarter]: For program point L422(lines 422 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,268 INFO L448 ceAbstractionStarter]: For program point L1413(lines 1413 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,268 INFO L448 ceAbstractionStarter]: For program point L885(lines 885 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,268 INFO L448 ceAbstractionStarter]: For program point L687(lines 687 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,268 INFO L448 ceAbstractionStarter]: For program point L1612(lines 1612 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,268 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,268 INFO L448 ceAbstractionStarter]: For program point L1150(lines 1150 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,268 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,268 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,268 INFO L448 ceAbstractionStarter]: For program point L886(lines 886 894) no Hoare annotation was computed. [2018-12-09 17:46:10,268 INFO L448 ceAbstractionStarter]: For program point L886-2(lines 886 894) no Hoare annotation was computed. [2018-12-09 17:46:10,268 INFO L448 ceAbstractionStarter]: For program point L754(lines 754 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,268 INFO L448 ceAbstractionStarter]: For program point L1613(lines 1613 1622) no Hoare annotation was computed. [2018-12-09 17:46:10,268 INFO L448 ceAbstractionStarter]: For program point L1547(lines 1547 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,268 INFO L448 ceAbstractionStarter]: For program point L1613-2(lines 1613 1622) no Hoare annotation was computed. [2018-12-09 17:46:10,268 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,268 INFO L448 ceAbstractionStarter]: For program point L1283(lines 1283 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,268 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-09 17:46:10,268 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-09 17:46:10,268 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-09 17:46:10,269 INFO L448 ceAbstractionStarter]: For program point L1019(lines 1019 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,269 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,269 INFO L448 ceAbstractionStarter]: For program point L491(lines 491 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,269 INFO L448 ceAbstractionStarter]: For program point L1482(lines 1482 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,269 INFO L448 ceAbstractionStarter]: For program point L1350(lines 1350 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,269 INFO L448 ceAbstractionStarter]: For program point L1218(lines 1218 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,269 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,269 INFO L448 ceAbstractionStarter]: For program point L558(lines 558 568) no Hoare annotation was computed. [2018-12-09 17:46:10,269 INFO L448 ceAbstractionStarter]: For program point L558-2(lines 558 568) no Hoare annotation was computed. [2018-12-09 17:46:10,269 INFO L448 ceAbstractionStarter]: For program point L1351(lines 1351 1358) no Hoare annotation was computed. [2018-12-09 17:46:10,269 INFO L448 ceAbstractionStarter]: For program point L1351-2(lines 1351 1358) no Hoare annotation was computed. [2018-12-09 17:46:10,269 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,269 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,269 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,269 INFO L448 ceAbstractionStarter]: For program point L955(lines 955 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,269 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,269 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,269 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-09 17:46:10,269 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-09 17:46:10,269 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-09 17:46:10,269 INFO L448 ceAbstractionStarter]: For program point L824(lines 824 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,269 INFO L448 ceAbstractionStarter]: For program point L428(lines 428 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,269 INFO L448 ceAbstractionStarter]: For program point L1419(lines 1419 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,269 INFO L448 ceAbstractionStarter]: For program point L693(lines 693 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,269 INFO L448 ceAbstractionStarter]: For program point L627(lines 627 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,269 INFO L448 ceAbstractionStarter]: For program point L1420(lines 1420 1430) no Hoare annotation was computed. [2018-12-09 17:46:10,269 INFO L448 ceAbstractionStarter]: For program point L1420-2(lines 1420 1430) no Hoare annotation was computed. [2018-12-09 17:46:10,270 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,270 INFO L448 ceAbstractionStarter]: For program point L1156(lines 1156 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,270 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,270 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1656) no Hoare annotation was computed. [2018-12-09 17:46:10,270 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 706) no Hoare annotation was computed. [2018-12-09 17:46:10,270 INFO L448 ceAbstractionStarter]: For program point L694-2(lines 694 706) no Hoare annotation was computed. [2018-12-09 17:46:10,270 INFO L448 ceAbstractionStarter]: For program point L1289(lines 1289 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,270 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-09 17:46:10,270 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-09 17:46:10,270 INFO L448 ceAbstractionStarter]: For program point L1091(lines 1091 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,270 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-09 17:46:10,270 INFO L448 ceAbstractionStarter]: For program point L959(lines 959 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,275 INFO L448 ceAbstractionStarter]: For program point L761(lines 761 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,275 INFO L448 ceAbstractionStarter]: For program point L1554(lines 1554 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,275 INFO L448 ceAbstractionStarter]: For program point L497(lines 497 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,275 INFO L448 ceAbstractionStarter]: For program point L1488(lines 1488 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,275 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,275 INFO L448 ceAbstractionStarter]: For program point L1290(lines 1290 1299) no Hoare annotation was computed. [2018-12-09 17:46:10,275 INFO L448 ceAbstractionStarter]: For program point L1224(lines 1224 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,275 INFO L448 ceAbstractionStarter]: For program point L1290-2(lines 1290 1299) no Hoare annotation was computed. [2018-12-09 17:46:10,275 INFO L448 ceAbstractionStarter]: For program point L1026(lines 1026 1654) no Hoare annotation was computed. [2018-12-09 17:46:10,275 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 17:46:10,275 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (let ((.cse0 (+ ~a0~0 44))) (and (= (+ ~a4~0 89) 0) (= 1 ~a2~0) (<= 0 .cse0) (<= .cse0 0) (= (+ ~a29~0 127) 0))) [2018-12-09 17:46:10,275 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 17:46:10,276 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 17:46:10,276 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1760 1776) the Hoare annotation is: (let ((.cse0 (+ |old(~a0~0)| 44))) (or (and (= ~a4~0 |old(~a4~0)|) (= 1 ~a2~0) (= ~a0~0 |old(~a0~0)|) (= (+ ~a29~0 127) 0)) (not (= 0 (+ |old(~a29~0)| 127))) (not (= |old(~a2~0)| 1)) (< 0 .cse0) (not (= 0 (+ |old(~a4~0)| 89))) (< .cse0 0))) [2018-12-09 17:46:10,276 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1760 1776) no Hoare annotation was computed. [2018-12-09 17:46:10,276 INFO L444 ceAbstractionStarter]: At program point L1774(line 1774) the Hoare annotation is: (let ((.cse13 (<= (+ ~a4~0 89) 0)) (.cse4 (not (= ~a2~0 4))) (.cse32 (not (= ~a2~0 3))) (.cse26 (+ ~a29~0 127))) (let ((.cse23 (<= 0 .cse26)) (.cse25 (and .cse13 .cse4 .cse32)) (.cse31 (<= |old(~a2~0)| 2))) (let ((.cse2 (= 1 ~a2~0)) (.cse19 (= |old(~a2~0)| 1)) (.cse9 (and (and .cse25 (<= .cse26 0)) .cse31)) (.cse30 (+ ~a0~0 147)) (.cse29 (and .cse13 .cse4 .cse32 .cse23)) (.cse16 (< 0 (+ ~a29~0 16))) (.cse5 (<= (+ ~a0~0 104) 0)) (.cse6 (<= 4 ~a2~0))) (let ((.cse12 (and .cse4 .cse5 .cse6 .cse23)) (.cse18 (<= ~a29~0 929269)) (.cse17 (<= (+ ~a0~0 98) 0)) (.cse0 (<= (+ ~a0~0 300076) 0)) (.cse24 (and .cse16 .cse13)) (.cse20 (and (and .cse16 .cse29) .cse31)) (.cse8 (<= .cse30 0)) (.cse3 (<= 0 (+ ~a4~0 85))) (.cse15 (= 4 ~a2~0)) (.cse22 (<= (+ ~a29~0 144) 0)) (.cse28 (or (and .cse29 .cse2 .cse19) (and .cse2 .cse19 .cse9))) (.cse10 (= 2 ~a2~0)) (.cse21 (= 3 ~a2~0)) (.cse7 (< 0 .cse30)) (.cse14 (<= ~a29~0 43)) (.cse11 (<= (+ ~a0~0 61) 0)) (.cse1 (<= (+ ~a4~0 42) 0)) (.cse27 (+ |old(~a29~0)| 127))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse1) (and (and .cse1 (and (<= 43 ~a29~0) .cse2)) .cse8) (and .cse9 .cse10 .cse11) (and (and .cse1 .cse12) .cse8) (not (= 0 (+ |old(~a4~0)| 89))) (and .cse13 .cse14 .cse15) (and (and .cse3 .cse16 .cse2) .cse1 .cse14) (and .cse1 .cse14 .cse12) (and .cse17 (and (and .cse3 .cse4 .cse16 .cse6) .cse1)) (and .cse17 .cse1 .cse18 (and .cse3 .cse16) .cse10) (not .cse19) (and .cse18 .cse20 .cse10) (and .cse8 (and .cse1 .cse21 .cse22)) (and .cse17 (or (and (and .cse1 .cse7 .cse14 .cse23) .cse21) (and .cse1 .cse3 .cse21))) (and .cse1 .cse5 (and .cse3 .cse16 .cse15)) (and .cse8 (and .cse3 .cse10 .cse1)) (and (and .cse24 .cse15) .cse11) (and .cse3 .cse0 .cse15 .cse23 .cse1) (not (= 0 (+ |old(~a0~0)| 44))) (and .cse22 .cse13 .cse21) (and .cse6 .cse25) (and (and .cse9 .cse22) .cse10) (and .cse3 .cse4 .cse6 .cse0 .cse1) (and (= ~a4~0 |old(~a4~0)|) (not (= main_~input~0 0)) .cse2 (= ~a0~0 |old(~a0~0)|) (= .cse26 0)) (< 0 .cse27) (and .cse8 (and .cse1 (and .cse16 .cse21))) (and .cse24 .cse21) (and .cse28 .cse11) (and .cse10 .cse20 .cse11) (and .cse8 (and .cse3 .cse15 .cse1 .cse22)) (and .cse22 .cse28) (and .cse29 .cse14 .cse10) (and (and .cse13 .cse7 .cse21) .cse11) (and .cse7 .cse14 .cse11 .cse1 .cse2) (< .cse27 0)))))) [2018-12-09 17:46:10,284 INFO L448 ceAbstractionStarter]: For program point L1774-1(line 1774) no Hoare annotation was computed. [2018-12-09 17:46:10,284 INFO L448 ceAbstractionStarter]: For program point L1771(line 1771) no Hoare annotation was computed. [2018-12-09 17:46:10,284 INFO L444 ceAbstractionStarter]: At program point L1766-2(lines 1766 1775) the Hoare annotation is: (let ((.cse13 (<= (+ ~a4~0 89) 0)) (.cse4 (not (= ~a2~0 4))) (.cse32 (not (= ~a2~0 3))) (.cse25 (+ ~a29~0 127))) (let ((.cse23 (<= 0 .cse25)) (.cse26 (and .cse13 .cse4 .cse32)) (.cse31 (<= |old(~a2~0)| 2))) (let ((.cse2 (= 1 ~a2~0)) (.cse19 (= |old(~a2~0)| 1)) (.cse9 (and (and .cse26 (<= .cse25 0)) .cse31)) (.cse30 (+ ~a0~0 147)) (.cse29 (and .cse13 .cse4 .cse32 .cse23)) (.cse16 (< 0 (+ ~a29~0 16))) (.cse5 (<= (+ ~a0~0 104) 0)) (.cse6 (<= 4 ~a2~0))) (let ((.cse12 (and .cse4 .cse5 .cse6 .cse23)) (.cse18 (<= ~a29~0 929269)) (.cse17 (<= (+ ~a0~0 98) 0)) (.cse0 (<= (+ ~a0~0 300076) 0)) (.cse24 (and .cse16 .cse13)) (.cse20 (and (and .cse16 .cse29) .cse31)) (.cse8 (<= .cse30 0)) (.cse3 (<= 0 (+ ~a4~0 85))) (.cse15 (= 4 ~a2~0)) (.cse22 (<= (+ ~a29~0 144) 0)) (.cse28 (or (and .cse29 .cse2 .cse19) (and .cse2 .cse19 .cse9))) (.cse10 (= 2 ~a2~0)) (.cse21 (= 3 ~a2~0)) (.cse7 (< 0 .cse30)) (.cse14 (<= ~a29~0 43)) (.cse11 (<= (+ ~a0~0 61) 0)) (.cse1 (<= (+ ~a4~0 42) 0)) (.cse27 (+ |old(~a29~0)| 127))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6 .cse7 .cse1) (and (and .cse1 (and (<= 43 ~a29~0) .cse2)) .cse8) (and .cse9 .cse10 .cse11) (and (and .cse1 .cse12) .cse8) (not (= 0 (+ |old(~a4~0)| 89))) (and .cse13 .cse14 .cse15) (and (and .cse3 .cse16 .cse2) .cse1 .cse14) (and .cse1 .cse14 .cse12) (and .cse17 (and (and .cse3 .cse4 .cse16 .cse6) .cse1)) (and .cse17 .cse1 .cse18 (and .cse3 .cse16) .cse10) (not .cse19) (and .cse18 .cse20 .cse10) (and .cse8 (and .cse1 .cse21 .cse22)) (and .cse17 (or (and (and .cse1 .cse7 .cse14 .cse23) .cse21) (and .cse1 .cse3 .cse21))) (and .cse1 .cse5 (and .cse3 .cse16 .cse15)) (and .cse8 (and .cse3 .cse10 .cse1)) (and (and .cse24 .cse15) .cse11) (and .cse3 .cse0 .cse15 .cse23 .cse1) (not (= 0 (+ |old(~a0~0)| 44))) (and (= .cse25 0) .cse2 (= ~a0~0 |old(~a0~0)|) (= ~a4~0 |old(~a4~0)|)) (and .cse22 .cse13 .cse21) (and .cse6 .cse26) (and (and .cse9 .cse22) .cse10) (and .cse3 .cse4 .cse6 .cse0 .cse1) (< 0 .cse27) (and .cse8 (and .cse1 (and .cse16 .cse21))) (and .cse24 .cse21) (and .cse28 .cse11) (and .cse10 .cse20 .cse11) (and .cse8 (and .cse3 .cse15 .cse1 .cse22)) (and .cse22 .cse28) (and .cse29 .cse14 .cse10) (and (and .cse13 .cse7 .cse21) .cse11) (and .cse7 .cse14 .cse11 .cse1 .cse2) (< .cse27 0)))))) [2018-12-09 17:46:10,293 INFO L448 ceAbstractionStarter]: For program point L1766-3(lines 1760 1776) no Hoare annotation was computed. [2018-12-09 17:46:10,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 05:46:10 BoogieIcfgContainer [2018-12-09 17:46:10,306 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 17:46:10,306 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 17:46:10,306 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 17:46:10,306 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 17:46:10,306 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:35:51" (3/4) ... [2018-12-09 17:46:10,308 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 17:46:10,312 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 17:46:10,312 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-12-09 17:46:10,312 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 17:46:10,312 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 17:46:10,326 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-09 17:46:10,328 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 17:46:10,354 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((((((((a0 + 300076 <= 0 && a4 + 42 <= 0) && 1 == a2) || (((((0 <= a4 + 85 && !(a2 == 4)) && a0 + 104 <= 0) && 4 <= a2) && 0 < a0 + 147) && a4 + 42 <= 0)) || ((a4 + 42 <= 0 && 43 <= a29 && 1 == a2) && a0 + 147 <= 0)) || ((((((a4 + 89 <= 0 && !(a2 == 4)) && !(a2 == 3)) && a29 + 127 <= 0) && \old(a2) <= 2) && 2 == a2) && a0 + 61 <= 0)) || ((a4 + 42 <= 0 && ((!(a2 == 4) && a0 + 104 <= 0) && 4 <= a2) && 0 <= a29 + 127) && a0 + 147 <= 0)) || !(0 == \old(a4) + 89)) || ((a4 + 89 <= 0 && a29 <= 43) && 4 == a2)) || ((((0 <= a4 + 85 && 0 < a29 + 16) && 1 == a2) && a4 + 42 <= 0) && a29 <= 43)) || ((a4 + 42 <= 0 && a29 <= 43) && ((!(a2 == 4) && a0 + 104 <= 0) && 4 <= a2) && 0 <= a29 + 127)) || (a0 + 98 <= 0 && (((0 <= a4 + 85 && !(a2 == 4)) && 0 < a29 + 16) && 4 <= a2) && a4 + 42 <= 0)) || ((((a0 + 98 <= 0 && a4 + 42 <= 0) && a29 <= 929269) && 0 <= a4 + 85 && 0 < a29 + 16) && 2 == a2)) || !(\old(a2) == 1)) || ((a29 <= 929269 && (0 < a29 + 16 && ((a4 + 89 <= 0 && !(a2 == 4)) && !(a2 == 3)) && 0 <= a29 + 127) && \old(a2) <= 2) && 2 == a2)) || (a0 + 147 <= 0 && (a4 + 42 <= 0 && 3 == a2) && a29 + 144 <= 0)) || (a0 + 98 <= 0 && (((((a4 + 42 <= 0 && 0 < a0 + 147) && a29 <= 43) && 0 <= a29 + 127) && 3 == a2) || ((a4 + 42 <= 0 && 0 <= a4 + 85) && 3 == a2)))) || ((a4 + 42 <= 0 && a0 + 104 <= 0) && (0 <= a4 + 85 && 0 < a29 + 16) && 4 == a2)) || (a0 + 147 <= 0 && (0 <= a4 + 85 && 2 == a2) && a4 + 42 <= 0)) || (((0 < a29 + 16 && a4 + 89 <= 0) && 4 == a2) && a0 + 61 <= 0)) || ((((0 <= a4 + 85 && a0 + 300076 <= 0) && 4 == a2) && 0 <= a29 + 127) && a4 + 42 <= 0)) || !(0 == \old(a0) + 44)) || (((a29 + 127 == 0 && 1 == a2) && a0 == \old(a0)) && a4 == \old(a4))) || ((a29 + 144 <= 0 && a4 + 89 <= 0) && 3 == a2)) || (4 <= a2 && (a4 + 89 <= 0 && !(a2 == 4)) && !(a2 == 3))) || ((((((a4 + 89 <= 0 && !(a2 == 4)) && !(a2 == 3)) && a29 + 127 <= 0) && \old(a2) <= 2) && a29 + 144 <= 0) && 2 == a2)) || ((((0 <= a4 + 85 && !(a2 == 4)) && 4 <= a2) && a0 + 300076 <= 0) && a4 + 42 <= 0)) || 0 < \old(a29) + 127) || (a0 + 147 <= 0 && a4 + 42 <= 0 && 0 < a29 + 16 && 3 == a2)) || ((0 < a29 + 16 && a4 + 89 <= 0) && 3 == a2)) || (((((((a4 + 89 <= 0 && !(a2 == 4)) && !(a2 == 3)) && 0 <= a29 + 127) && 1 == a2) && \old(a2) == 1) || ((1 == a2 && \old(a2) == 1) && (((a4 + 89 <= 0 && !(a2 == 4)) && !(a2 == 3)) && a29 + 127 <= 0) && \old(a2) <= 2)) && a0 + 61 <= 0)) || ((2 == a2 && (0 < a29 + 16 && ((a4 + 89 <= 0 && !(a2 == 4)) && !(a2 == 3)) && 0 <= a29 + 127) && \old(a2) <= 2) && a0 + 61 <= 0)) || (a0 + 147 <= 0 && ((0 <= a4 + 85 && 4 == a2) && a4 + 42 <= 0) && a29 + 144 <= 0)) || (a29 + 144 <= 0 && ((((((a4 + 89 <= 0 && !(a2 == 4)) && !(a2 == 3)) && 0 <= a29 + 127) && 1 == a2) && \old(a2) == 1) || ((1 == a2 && \old(a2) == 1) && (((a4 + 89 <= 0 && !(a2 == 4)) && !(a2 == 3)) && a29 + 127 <= 0) && \old(a2) <= 2)))) || (((((a4 + 89 <= 0 && !(a2 == 4)) && !(a2 == 3)) && 0 <= a29 + 127) && a29 <= 43) && 2 == a2)) || (((a4 + 89 <= 0 && 0 < a0 + 147) && 3 == a2) && a0 + 61 <= 0)) || ((((0 < a0 + 147 && a29 <= 43) && a0 + 61 <= 0) && a4 + 42 <= 0) && 1 == a2)) || \old(a29) + 127 < 0 [2018-12-09 17:46:10,462 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a869a4b0-6e6a-4a13-a327-06eefaa884ad/bin-2019/utaipan/witness.graphml [2018-12-09 17:46:10,462 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 17:46:10,462 INFO L168 Benchmark]: Toolchain (without parser) took 621265.85 ms. Allocated memory was 1.0 GB in the beginning and 4.9 GB in the end (delta: 3.9 GB). Free memory was 945.3 MB in the beginning and 1.6 GB in the end (delta: -683.5 MB). Peak memory consumption was 3.2 GB. Max. memory is 11.5 GB. [2018-12-09 17:46:10,463 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:46:10,463 INFO L168 Benchmark]: CACSL2BoogieTranslator took 614.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -129.8 MB). Peak memory consumption was 88.1 MB. Max. memory is 11.5 GB. [2018-12-09 17:46:10,463 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 17:46:10,463 INFO L168 Benchmark]: Boogie Preprocessor took 81.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 17:46:10,463 INFO L168 Benchmark]: RCFGBuilder took 1652.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 32.5 MB). Peak memory consumption was 224.9 MB. Max. memory is 11.5 GB. [2018-12-09 17:46:10,463 INFO L168 Benchmark]: TraceAbstraction took 618727.21 ms. Allocated memory was 1.1 GB in the beginning and 4.9 GB in the end (delta: 3.8 GB). Free memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: -679.7 MB). Peak memory consumption was 4.5 GB. Max. memory is 11.5 GB. [2018-12-09 17:46:10,464 INFO L168 Benchmark]: Witness Printer took 155.70 ms. Allocated memory is still 4.9 GB. Free memory was 1.7 GB in the beginning and 1.6 GB in the end (delta: 77.4 MB). Peak memory consumption was 77.4 MB. Max. memory is 11.5 GB. [2018-12-09 17:46:10,465 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 614.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -129.8 MB). Peak memory consumption was 88.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 81.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1652.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 32.5 MB). Peak memory consumption was 224.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 618727.21 ms. Allocated memory was 1.1 GB in the beginning and 4.9 GB in the end (delta: 3.8 GB). Free memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: -679.7 MB). Peak memory consumption was 4.5 GB. Max. memory is 11.5 GB. * Witness Printer took 155.70 ms. Allocated memory is still 4.9 GB. Free memory was 1.7 GB in the beginning and 1.6 GB in the end (delta: 77.4 MB). Peak memory consumption was 77.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 160]: 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: 1766]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((a0 + 300076 <= 0 && a4 + 42 <= 0) && 1 == a2) || (((((0 <= a4 + 85 && !(a2 == 4)) && a0 + 104 <= 0) && 4 <= a2) && 0 < a0 + 147) && a4 + 42 <= 0)) || ((a4 + 42 <= 0 && 43 <= a29 && 1 == a2) && a0 + 147 <= 0)) || ((((((a4 + 89 <= 0 && !(a2 == 4)) && !(a2 == 3)) && a29 + 127 <= 0) && \old(a2) <= 2) && 2 == a2) && a0 + 61 <= 0)) || ((a4 + 42 <= 0 && ((!(a2 == 4) && a0 + 104 <= 0) && 4 <= a2) && 0 <= a29 + 127) && a0 + 147 <= 0)) || !(0 == \old(a4) + 89)) || ((a4 + 89 <= 0 && a29 <= 43) && 4 == a2)) || ((((0 <= a4 + 85 && 0 < a29 + 16) && 1 == a2) && a4 + 42 <= 0) && a29 <= 43)) || ((a4 + 42 <= 0 && a29 <= 43) && ((!(a2 == 4) && a0 + 104 <= 0) && 4 <= a2) && 0 <= a29 + 127)) || (a0 + 98 <= 0 && (((0 <= a4 + 85 && !(a2 == 4)) && 0 < a29 + 16) && 4 <= a2) && a4 + 42 <= 0)) || ((((a0 + 98 <= 0 && a4 + 42 <= 0) && a29 <= 929269) && 0 <= a4 + 85 && 0 < a29 + 16) && 2 == a2)) || !(\old(a2) == 1)) || ((a29 <= 929269 && (0 < a29 + 16 && ((a4 + 89 <= 0 && !(a2 == 4)) && !(a2 == 3)) && 0 <= a29 + 127) && \old(a2) <= 2) && 2 == a2)) || (a0 + 147 <= 0 && (a4 + 42 <= 0 && 3 == a2) && a29 + 144 <= 0)) || (a0 + 98 <= 0 && (((((a4 + 42 <= 0 && 0 < a0 + 147) && a29 <= 43) && 0 <= a29 + 127) && 3 == a2) || ((a4 + 42 <= 0 && 0 <= a4 + 85) && 3 == a2)))) || ((a4 + 42 <= 0 && a0 + 104 <= 0) && (0 <= a4 + 85 && 0 < a29 + 16) && 4 == a2)) || (a0 + 147 <= 0 && (0 <= a4 + 85 && 2 == a2) && a4 + 42 <= 0)) || (((0 < a29 + 16 && a4 + 89 <= 0) && 4 == a2) && a0 + 61 <= 0)) || ((((0 <= a4 + 85 && a0 + 300076 <= 0) && 4 == a2) && 0 <= a29 + 127) && a4 + 42 <= 0)) || !(0 == \old(a0) + 44)) || (((a29 + 127 == 0 && 1 == a2) && a0 == \old(a0)) && a4 == \old(a4))) || ((a29 + 144 <= 0 && a4 + 89 <= 0) && 3 == a2)) || (4 <= a2 && (a4 + 89 <= 0 && !(a2 == 4)) && !(a2 == 3))) || ((((((a4 + 89 <= 0 && !(a2 == 4)) && !(a2 == 3)) && a29 + 127 <= 0) && \old(a2) <= 2) && a29 + 144 <= 0) && 2 == a2)) || ((((0 <= a4 + 85 && !(a2 == 4)) && 4 <= a2) && a0 + 300076 <= 0) && a4 + 42 <= 0)) || 0 < \old(a29) + 127) || (a0 + 147 <= 0 && a4 + 42 <= 0 && 0 < a29 + 16 && 3 == a2)) || ((0 < a29 + 16 && a4 + 89 <= 0) && 3 == a2)) || (((((((a4 + 89 <= 0 && !(a2 == 4)) && !(a2 == 3)) && 0 <= a29 + 127) && 1 == a2) && \old(a2) == 1) || ((1 == a2 && \old(a2) == 1) && (((a4 + 89 <= 0 && !(a2 == 4)) && !(a2 == 3)) && a29 + 127 <= 0) && \old(a2) <= 2)) && a0 + 61 <= 0)) || ((2 == a2 && (0 < a29 + 16 && ((a4 + 89 <= 0 && !(a2 == 4)) && !(a2 == 3)) && 0 <= a29 + 127) && \old(a2) <= 2) && a0 + 61 <= 0)) || (a0 + 147 <= 0 && ((0 <= a4 + 85 && 4 == a2) && a4 + 42 <= 0) && a29 + 144 <= 0)) || (a29 + 144 <= 0 && ((((((a4 + 89 <= 0 && !(a2 == 4)) && !(a2 == 3)) && 0 <= a29 + 127) && 1 == a2) && \old(a2) == 1) || ((1 == a2 && \old(a2) == 1) && (((a4 + 89 <= 0 && !(a2 == 4)) && !(a2 == 3)) && a29 + 127 <= 0) && \old(a2) <= 2)))) || (((((a4 + 89 <= 0 && !(a2 == 4)) && !(a2 == 3)) && 0 <= a29 + 127) && a29 <= 43) && 2 == a2)) || (((a4 + 89 <= 0 && 0 < a0 + 147) && 3 == a2) && a0 + 61 <= 0)) || ((((0 < a0 + 147 && a29 <= 43) && a0 + 61 <= 0) && a4 + 42 <= 0) && 1 == a2)) || \old(a29) + 127 < 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 437 locations, 1 error locations. SAFE Result, 618.6s OverallTime, 23 OverallIterations, 8 TraceHistogramMax, 480.5s AutomataDifference, 0.0s DeadEndRemovalTime, 40.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 3853 SDtfs, 40013 SDslu, 5303 SDs, 0 SdLazy, 90685 SolverSat, 12029 SolverUnsat, 397 SolverUnknown, 0 SolverNotchecked, 358.1s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 23125 GetRequests, 22608 SyntacticMatches, 40 SemanticMatches, 477 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7436 ImplicationChecksByTransitivity, 133.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35947occurred in iteration=20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 29.4s AbstIntTime, 15 AbstIntIterations, 2 AbstIntStrong, 0.9971997985648422 AbsIntWeakeningRatio, 0.10722610722610723 AbsIntAvgWeakeningVarsNumRemoved, 15.51981351981352 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 5.0s AutomataMinimizationTime, 23 MinimizatonAttempts, 42794 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 5230 PreInvPairs, 5593 NumberOfFragments, 6112 HoareAnnotationTreeSize, 5230 FomulaSimplifications, 1046133 FormulaSimplificationTreeSizeReduction, 3.8s HoareSimplificationTime, 9 FomulaSimplificationsInter, 845192 FormulaSimplificationTreeSizeReductionInter, 36.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.5s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 54.9s InterpolantComputationTime, 24397 NumberOfCodeBlocks, 24397 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 35360 ConstructedInterpolants, 494 QuantifiedInterpolants, 138480656 SizeOfPredicates, 36 NumberOfNonLiveVariables, 14676 ConjunctsInSsa, 137 ConjunctsInUnsatCore, 49 InterpolantComputations, 10 PerfectInterpolantSequences, 47403/51106 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...