./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label40_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_3c5e070d-1194-4af8-aa2a-8f66be16db55/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3c5e070d-1194-4af8-aa2a-8f66be16db55/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3c5e070d-1194-4af8-aa2a-8f66be16db55/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3c5e070d-1194-4af8-aa2a-8f66be16db55/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label40_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3c5e070d-1194-4af8-aa2a-8f66be16db55/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3c5e070d-1194-4af8-aa2a-8f66be16db55/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 d4fc65ef25b30818fd1841f3cfc924fa7d058e0c ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:04:40,176 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 09:04:40,177 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 09:04:40,183 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 09:04:40,183 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 09:04:40,184 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 09:04:40,185 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 09:04:40,186 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 09:04:40,187 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 09:04:40,187 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 09:04:40,187 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 09:04:40,188 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 09:04:40,188 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 09:04:40,189 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 09:04:40,189 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 09:04:40,189 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 09:04:40,190 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 09:04:40,191 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 09:04:40,192 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 09:04:40,192 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 09:04:40,193 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 09:04:40,194 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 09:04:40,195 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 09:04:40,195 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 09:04:40,195 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 09:04:40,195 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 09:04:40,196 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 09:04:40,196 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 09:04:40,197 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 09:04:40,197 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 09:04:40,198 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 09:04:40,198 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 09:04:40,198 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 09:04:40,198 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 09:04:40,199 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 09:04:40,199 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 09:04:40,199 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3c5e070d-1194-4af8-aa2a-8f66be16db55/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 09:04:40,207 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 09:04:40,207 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 09:04:40,207 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 09:04:40,207 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 09:04:40,207 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 09:04:40,208 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 09:04:40,208 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 09:04:40,208 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 09:04:40,208 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 09:04:40,208 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 09:04:40,208 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 09:04:40,208 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 09:04:40,208 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 09:04:40,209 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 09:04:40,209 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 09:04:40,209 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 09:04:40,209 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 09:04:40,209 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 09:04:40,209 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 09:04:40,209 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 09:04:40,209 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 09:04:40,209 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 09:04:40,209 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 09:04:40,209 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 09:04:40,210 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 09:04:40,210 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 09:04:40,210 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 09:04:40,210 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 09:04:40,210 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 09:04:40,210 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 09:04:40,210 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 09:04:40,210 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 09:04:40,210 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 09:04:40,210 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 09:04:40,211 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 09:04:40,211 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 09:04:40,211 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_3c5e070d-1194-4af8-aa2a-8f66be16db55/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 -> d4fc65ef25b30818fd1841f3cfc924fa7d058e0c [2018-12-09 09:04:40,229 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 09:04:40,238 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 09:04:40,240 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 09:04:40,242 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 09:04:40,242 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 09:04:40,242 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3c5e070d-1194-4af8-aa2a-8f66be16db55/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem11_label40_true-unreach-call.c [2018-12-09 09:04:40,277 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3c5e070d-1194-4af8-aa2a-8f66be16db55/bin-2019/utaipan/data/b155ada0c/7e1e20af4b4a4cb0bbb92c86ca970bef/FLAG31865f2c9 [2018-12-09 09:04:40,742 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 09:04:40,742 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3c5e070d-1194-4af8-aa2a-8f66be16db55/sv-benchmarks/c/eca-rers2012/Problem11_label40_true-unreach-call.c [2018-12-09 09:04:40,750 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3c5e070d-1194-4af8-aa2a-8f66be16db55/bin-2019/utaipan/data/b155ada0c/7e1e20af4b4a4cb0bbb92c86ca970bef/FLAG31865f2c9 [2018-12-09 09:04:41,261 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3c5e070d-1194-4af8-aa2a-8f66be16db55/bin-2019/utaipan/data/b155ada0c/7e1e20af4b4a4cb0bbb92c86ca970bef [2018-12-09 09:04:41,263 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 09:04:41,264 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 09:04:41,264 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 09:04:41,264 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 09:04:41,266 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 09:04:41,267 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:04:41" (1/1) ... [2018-12-09 09:04:41,268 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e5cabf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:41, skipping insertion in model container [2018-12-09 09:04:41,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:04:41" (1/1) ... [2018-12-09 09:04:41,272 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 09:04:41,304 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 09:04:41,537 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:04:41,539 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 09:04:41,675 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:04:41,684 INFO L195 MainTranslator]: Completed translation [2018-12-09 09:04:41,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:41 WrapperNode [2018-12-09 09:04:41,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 09:04:41,685 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 09:04:41,685 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 09:04:41,685 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 09:04:41,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:41" (1/1) ... [2018-12-09 09:04:41,704 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:41" (1/1) ... [2018-12-09 09:04:41,709 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 09:04:41,709 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 09:04:41,709 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 09:04:41,709 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 09:04:41,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:41" (1/1) ... [2018-12-09 09:04:41,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:41" (1/1) ... [2018-12-09 09:04:41,722 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:41" (1/1) ... [2018-12-09 09:04:41,722 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:41" (1/1) ... [2018-12-09 09:04:41,751 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:41" (1/1) ... [2018-12-09 09:04:41,759 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:41" (1/1) ... [2018-12-09 09:04:41,764 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:41" (1/1) ... [2018-12-09 09:04:41,771 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 09:04:41,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 09:04:41,771 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 09:04:41,771 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 09:04:41,772 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3c5e070d-1194-4af8-aa2a-8f66be16db55/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 09:04:41,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 09:04:41,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 09:04:41,812 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 09:04:41,812 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 09:04:41,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 09:04:41,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 09:04:41,813 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 09:04:41,813 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 09:04:42,696 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 09:04:42,696 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 09:04:42,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:04:42 BoogieIcfgContainer [2018-12-09 09:04:42,696 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 09:04:42,697 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 09:04:42,697 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 09:04:42,700 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 09:04:42,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 09:04:41" (1/3) ... [2018-12-09 09:04:42,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@719d3004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:04:42, skipping insertion in model container [2018-12-09 09:04:42,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:04:41" (2/3) ... [2018-12-09 09:04:42,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@719d3004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:04:42, skipping insertion in model container [2018-12-09 09:04:42,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:04:42" (3/3) ... [2018-12-09 09:04:42,702 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label40_true-unreach-call.c [2018-12-09 09:04:42,709 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 09:04:42,716 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 09:04:42,726 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 09:04:42,750 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 09:04:42,751 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 09:04:42,751 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 09:04:42,751 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 09:04:42,751 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 09:04:42,751 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 09:04:42,751 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 09:04:42,751 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 09:04:42,770 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2018-12-09 09:04:42,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-09 09:04:42,776 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:04:42,776 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] [2018-12-09 09:04:42,778 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:04:42,782 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:04:42,782 INFO L82 PathProgramCache]: Analyzing trace with hash -1611366285, now seen corresponding path program 1 times [2018-12-09 09:04:42,783 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:04:42,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:04:42,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:04:42,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:04:42,813 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:04:42,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:42,990 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 09:04:42,992 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:04:42,992 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 09:04:42,992 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:04:42,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 09:04:43,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 09:04:43,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 09:04:43,005 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 4 states. [2018-12-09 09:04:44,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:04:44,093 INFO L93 Difference]: Finished difference Result 975 states and 1750 transitions. [2018-12-09 09:04:44,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 09:04:44,094 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 50 [2018-12-09 09:04:44,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:04:44,103 INFO L225 Difference]: With dead ends: 975 [2018-12-09 09:04:44,104 INFO L226 Difference]: Without dead ends: 616 [2018-12-09 09:04:44,108 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 09:04:44,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2018-12-09 09:04:44,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 422. [2018-12-09 09:04:44,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2018-12-09 09:04:44,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 607 transitions. [2018-12-09 09:04:44,147 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 607 transitions. Word has length 50 [2018-12-09 09:04:44,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:04:44,147 INFO L480 AbstractCegarLoop]: Abstraction has 422 states and 607 transitions. [2018-12-09 09:04:44,147 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 09:04:44,147 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 607 transitions. [2018-12-09 09:04:44,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-09 09:04:44,149 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:04:44,149 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:04:44,150 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:04:44,150 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:04:44,150 INFO L82 PathProgramCache]: Analyzing trace with hash 1777722578, now seen corresponding path program 1 times [2018-12-09 09:04:44,150 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:04:44,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:04:44,151 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:04:44,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:04:44,151 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:04:44,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:44,259 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:04:44,259 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:04:44,259 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 09:04:44,259 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:04:44,260 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 09:04:44,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 09:04:44,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 09:04:44,261 INFO L87 Difference]: Start difference. First operand 422 states and 607 transitions. Second operand 6 states. [2018-12-09 09:04:44,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:04:44,983 INFO L93 Difference]: Finished difference Result 1241 states and 1811 transitions. [2018-12-09 09:04:44,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 09:04:44,984 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 122 [2018-12-09 09:04:44,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:04:44,988 INFO L225 Difference]: With dead ends: 1241 [2018-12-09 09:04:44,988 INFO L226 Difference]: Without dead ends: 825 [2018-12-09 09:04:44,990 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 09:04:44,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2018-12-09 09:04:45,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 814. [2018-12-09 09:04:45,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 814 states. [2018-12-09 09:04:45,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 814 states and 1163 transitions. [2018-12-09 09:04:45,028 INFO L78 Accepts]: Start accepts. Automaton has 814 states and 1163 transitions. Word has length 122 [2018-12-09 09:04:45,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:04:45,028 INFO L480 AbstractCegarLoop]: Abstraction has 814 states and 1163 transitions. [2018-12-09 09:04:45,028 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 09:04:45,028 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 1163 transitions. [2018-12-09 09:04:45,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-09 09:04:45,030 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:04:45,030 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:04:45,030 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:04:45,030 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:04:45,031 INFO L82 PathProgramCache]: Analyzing trace with hash 1954307045, now seen corresponding path program 1 times [2018-12-09 09:04:45,031 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:04:45,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:04:45,031 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:04:45,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:04:45,032 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:04:45,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:45,116 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:04:45,116 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:04:45,116 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 09:04:45,116 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:04:45,117 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 09:04:45,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 09:04:45,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 09:04:45,117 INFO L87 Difference]: Start difference. First operand 814 states and 1163 transitions. Second operand 4 states. [2018-12-09 09:04:45,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:04:45,920 INFO L93 Difference]: Finished difference Result 2406 states and 3479 transitions. [2018-12-09 09:04:45,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 09:04:45,920 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 123 [2018-12-09 09:04:45,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:04:45,927 INFO L225 Difference]: With dead ends: 2406 [2018-12-09 09:04:45,928 INFO L226 Difference]: Without dead ends: 1598 [2018-12-09 09:04:45,929 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 09:04:45,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1598 states. [2018-12-09 09:04:45,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1598 to 1393. [2018-12-09 09:04:45,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1393 states. [2018-12-09 09:04:45,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 1393 states and 1963 transitions. [2018-12-09 09:04:45,961 INFO L78 Accepts]: Start accepts. Automaton has 1393 states and 1963 transitions. Word has length 123 [2018-12-09 09:04:45,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:04:45,961 INFO L480 AbstractCegarLoop]: Abstraction has 1393 states and 1963 transitions. [2018-12-09 09:04:45,961 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 09:04:45,961 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 1963 transitions. [2018-12-09 09:04:45,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-09 09:04:45,964 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:04:45,964 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:04:45,965 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:04:45,965 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:04:45,965 INFO L82 PathProgramCache]: Analyzing trace with hash 462412102, now seen corresponding path program 1 times [2018-12-09 09:04:45,965 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:04:45,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:04:45,966 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:04:45,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:04:45,966 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:04:45,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:46,138 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:04:46,138 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:04:46,138 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 09:04:46,138 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:04:46,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 09:04:46,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 09:04:46,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-12-09 09:04:46,139 INFO L87 Difference]: Start difference. First operand 1393 states and 1963 transitions. Second operand 7 states. [2018-12-09 09:04:47,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:04:47,542 INFO L93 Difference]: Finished difference Result 3271 states and 4847 transitions. [2018-12-09 09:04:47,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 09:04:47,542 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 144 [2018-12-09 09:04:47,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:04:47,549 INFO L225 Difference]: With dead ends: 3271 [2018-12-09 09:04:47,549 INFO L226 Difference]: Without dead ends: 1884 [2018-12-09 09:04:47,551 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2018-12-09 09:04:47,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1884 states. [2018-12-09 09:04:47,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1884 to 1816. [2018-12-09 09:04:47,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1816 states. [2018-12-09 09:04:47,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1816 states to 1816 states and 2474 transitions. [2018-12-09 09:04:47,588 INFO L78 Accepts]: Start accepts. Automaton has 1816 states and 2474 transitions. Word has length 144 [2018-12-09 09:04:47,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:04:47,589 INFO L480 AbstractCegarLoop]: Abstraction has 1816 states and 2474 transitions. [2018-12-09 09:04:47,589 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 09:04:47,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1816 states and 2474 transitions. [2018-12-09 09:04:47,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-12-09 09:04:47,592 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:04:47,592 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 09:04:47,592 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:04:47,592 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:04:47,592 INFO L82 PathProgramCache]: Analyzing trace with hash -2134512577, now seen corresponding path program 1 times [2018-12-09 09:04:47,592 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:04:47,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:04:47,593 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:04:47,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:04:47,593 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:04:47,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:47,748 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-09 09:04:47,748 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:04:47,748 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:04:47,749 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 261 with the following transitions: [2018-12-09 09:04:47,750 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [309], [311], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [594], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-09 09:04:47,776 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 09:04:47,777 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 09:04:48,495 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 09:04:48,496 INFO L272 AbstractInterpreter]: Visited 125 different actions 366 times. Merged at 6 different actions 13 times. Never widened. Performed 4845 root evaluator evaluations with a maximum evaluation depth of 16. Performed 4845 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 3 fixpoints after 2 different actions. Largest state had 28 variables. [2018-12-09 09:04:48,501 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:04:48,502 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 09:04:48,502 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:04:48,502 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3c5e070d-1194-4af8-aa2a-8f66be16db55/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 09:04:48,509 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:04:48,509 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 09:04:48,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:48,570 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:04:48,818 WARN L180 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 35 [2018-12-09 09:04:48,908 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-09 09:04:48,908 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 09:04:49,209 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-09 09:04:49,225 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 09:04:49,225 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 11 [2018-12-09 09:04:49,225 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:04:49,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 09:04:49,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 09:04:49,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-12-09 09:04:49,226 INFO L87 Difference]: Start difference. First operand 1816 states and 2474 transitions. Second operand 6 states. [2018-12-09 09:04:50,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:04:50,992 INFO L93 Difference]: Finished difference Result 5758 states and 8409 transitions. [2018-12-09 09:04:50,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 09:04:50,992 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 260 [2018-12-09 09:04:50,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:04:51,002 INFO L225 Difference]: With dead ends: 5758 [2018-12-09 09:04:51,002 INFO L226 Difference]: Without dead ends: 3948 [2018-12-09 09:04:51,005 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 530 GetRequests, 515 SyntacticMatches, 6 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-12-09 09:04:51,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3948 states. [2018-12-09 09:04:51,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3948 to 3747. [2018-12-09 09:04:51,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3747 states. [2018-12-09 09:04:51,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3747 states to 3747 states and 5404 transitions. [2018-12-09 09:04:51,061 INFO L78 Accepts]: Start accepts. Automaton has 3747 states and 5404 transitions. Word has length 260 [2018-12-09 09:04:51,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:04:51,062 INFO L480 AbstractCegarLoop]: Abstraction has 3747 states and 5404 transitions. [2018-12-09 09:04:51,062 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 09:04:51,062 INFO L276 IsEmpty]: Start isEmpty. Operand 3747 states and 5404 transitions. [2018-12-09 09:04:51,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-09 09:04:51,065 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:04:51,065 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 09:04:51,066 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:04:51,066 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:04:51,066 INFO L82 PathProgramCache]: Analyzing trace with hash -2012194529, now seen corresponding path program 1 times [2018-12-09 09:04:51,066 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:04:51,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:04:51,066 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:04:51,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:04:51,067 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:04:51,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:51,177 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 184 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:04:51,177 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:04:51,177 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:04:51,177 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 284 with the following transitions: [2018-12-09 09:04:51,177 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [309], [311], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [618], [621], [625], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-09 09:04:51,180 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 09:04:51,180 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 09:04:51,441 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 09:04:51,441 INFO L272 AbstractInterpreter]: Visited 140 different actions 406 times. Merged at 4 different actions 7 times. Never widened. Performed 5656 root evaluator evaluations with a maximum evaluation depth of 9. Performed 5656 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-12-09 09:04:51,442 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:04:51,442 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 09:04:51,442 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:04:51,442 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3c5e070d-1194-4af8-aa2a-8f66be16db55/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 09:04:51,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:04:51,450 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 09:04:51,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:51,505 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:04:51,547 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-12-09 09:04:51,547 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 09:04:51,590 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-12-09 09:04:51,616 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 09:04:51,616 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-12-09 09:04:51,616 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:04:51,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 09:04:51,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 09:04:51,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-12-09 09:04:51,617 INFO L87 Difference]: Start difference. First operand 3747 states and 5404 transitions. Second operand 3 states. [2018-12-09 09:04:52,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:04:52,177 INFO L93 Difference]: Finished difference Result 9576 states and 14188 transitions. [2018-12-09 09:04:52,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 09:04:52,177 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 283 [2018-12-09 09:04:52,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:04:52,192 INFO L225 Difference]: With dead ends: 9576 [2018-12-09 09:04:52,192 INFO L226 Difference]: Without dead ends: 5835 [2018-12-09 09:04:52,198 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 571 GetRequests, 566 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-12-09 09:04:52,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5835 states. [2018-12-09 09:04:52,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5835 to 5457. [2018-12-09 09:04:52,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5457 states. [2018-12-09 09:04:52,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5457 states to 5457 states and 7645 transitions. [2018-12-09 09:04:52,280 INFO L78 Accepts]: Start accepts. Automaton has 5457 states and 7645 transitions. Word has length 283 [2018-12-09 09:04:52,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:04:52,281 INFO L480 AbstractCegarLoop]: Abstraction has 5457 states and 7645 transitions. [2018-12-09 09:04:52,281 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 09:04:52,281 INFO L276 IsEmpty]: Start isEmpty. Operand 5457 states and 7645 transitions. [2018-12-09 09:04:52,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-12-09 09:04:52,284 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:04:52,285 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 09:04:52,285 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:04:52,285 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:04:52,285 INFO L82 PathProgramCache]: Analyzing trace with hash -2131541444, now seen corresponding path program 1 times [2018-12-09 09:04:52,285 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:04:52,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:04:52,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:04:52,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:04:52,286 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:04:52,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:52,450 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 82 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:04:52,450 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:04:52,450 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:04:52,450 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 298 with the following transitions: [2018-12-09 09:04:52,450 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [309], [311], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [784], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-09 09:04:52,454 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 09:04:52,454 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 09:04:52,869 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 09:04:52,870 INFO L272 AbstractInterpreter]: Visited 140 different actions 550 times. Merged at 6 different actions 22 times. Never widened. Performed 7659 root evaluator evaluations with a maximum evaluation depth of 16. Performed 7659 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 4 fixpoints after 3 different actions. Largest state had 28 variables. [2018-12-09 09:04:52,875 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:04:52,875 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 09:04:52,875 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:04:52,875 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3c5e070d-1194-4af8-aa2a-8f66be16db55/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 09:04:52,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:04:52,883 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 09:04:52,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:52,930 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:04:52,955 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-12-09 09:04:52,956 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 09:04:53,002 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-12-09 09:04:53,017 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 09:04:53,017 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 8 [2018-12-09 09:04:53,017 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:04:53,017 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 09:04:53,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 09:04:53,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-12-09 09:04:53,018 INFO L87 Difference]: Start difference. First operand 5457 states and 7645 transitions. Second operand 3 states. [2018-12-09 09:04:53,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:04:53,485 INFO L93 Difference]: Finished difference Result 12271 states and 17296 transitions. [2018-12-09 09:04:53,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 09:04:53,486 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 297 [2018-12-09 09:04:53,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:04:53,499 INFO L225 Difference]: With dead ends: 12271 [2018-12-09 09:04:53,499 INFO L226 Difference]: Without dead ends: 6820 [2018-12-09 09:04:53,505 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 604 GetRequests, 596 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-12-09 09:04:53,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6820 states. [2018-12-09 09:04:53,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6820 to 6061. [2018-12-09 09:04:53,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6061 states. [2018-12-09 09:04:53,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6061 states to 6061 states and 8443 transitions. [2018-12-09 09:04:53,599 INFO L78 Accepts]: Start accepts. Automaton has 6061 states and 8443 transitions. Word has length 297 [2018-12-09 09:04:53,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:04:53,600 INFO L480 AbstractCegarLoop]: Abstraction has 6061 states and 8443 transitions. [2018-12-09 09:04:53,600 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 09:04:53,600 INFO L276 IsEmpty]: Start isEmpty. Operand 6061 states and 8443 transitions. [2018-12-09 09:04:53,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2018-12-09 09:04:53,606 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:04:53,606 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 09:04:53,606 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:04:53,606 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:04:53,606 INFO L82 PathProgramCache]: Analyzing trace with hash 309264218, now seen corresponding path program 1 times [2018-12-09 09:04:53,607 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:04:53,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:04:53,607 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:04:53,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:04:53,607 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:04:53,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:53,801 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-12-09 09:04:53,802 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:04:53,802 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:04:53,802 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 357 with the following transitions: [2018-12-09 09:04:53,802 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [309], [311], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [870], [874], [878], [889], [893], [897], [901], [905], [909], [913], [924], [928], [932], [936], [940], [944], [948], [952], [956], [960], [971], [975], [979], [983], [987], [991], [994], [999], [1001], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-09 09:04:53,805 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 09:04:53,805 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 09:04:54,180 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 09:04:54,181 INFO L272 AbstractInterpreter]: Visited 186 different actions 731 times. Merged at 6 different actions 20 times. Never widened. Performed 10726 root evaluator evaluations with a maximum evaluation depth of 9. Performed 10726 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 4 fixpoints after 2 different actions. Largest state had 28 variables. [2018-12-09 09:04:54,185 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:04:54,186 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 09:04:54,186 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:04:54,186 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3c5e070d-1194-4af8-aa2a-8f66be16db55/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 09:04:54,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:04:54,192 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 09:04:54,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:04:54,246 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:04:54,486 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 9 proven. 83 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2018-12-09 09:04:54,486 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 09:04:54,670 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:54,705 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:54,734 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:54,764 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:54,792 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:54,824 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:54,854 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:54,884 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:54,926 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:54,965 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:54,995 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:55,026 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:55,057 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:55,090 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:55,117 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:55,150 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:55,179 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:55,207 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:55,240 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:55,273 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:55,303 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:55,333 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:55,363 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:55,391 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:55,423 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:55,451 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:55,481 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:55,510 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:55,541 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:55,571 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:55,601 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:55,629 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:55,666 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:55,696 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:55,727 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:55,763 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:55,791 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:55,821 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:55,849 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:55,879 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:55,908 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:55,936 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:55,964 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:55,992 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:56,023 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:56,053 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:56,080 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:56,110 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:56,139 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:56,166 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:56,196 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:56,223 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:56,252 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:56,279 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:56,307 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:56,343 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:56,374 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:56,405 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:56,436 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:56,464 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:56,495 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:56,525 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:56,556 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:56,583 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:56,612 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:56,641 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:56,669 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:56,699 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:56,731 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:56,759 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:56,786 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:56,817 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:56,849 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:56,879 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:56,908 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:56,939 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:56,967 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:56,996 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:57,024 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:57,052 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:57,081 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:57,110 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:57,137 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:57,168 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:57,200 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:57,229 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:57,259 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:57,288 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:57,314 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:57,343 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:57,371 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:57,403 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:57,430 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:57,457 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:57,484 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:57,512 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:57,540 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:57,567 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:57,593 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:57,624 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:57,654 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:57,683 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:57,715 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:57,747 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:57,780 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:57,809 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:57,836 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:57,863 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:57,891 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:57,919 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:57,945 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:57,983 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:58,009 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:58,035 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:58,061 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:58,088 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:58,113 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:58,149 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:58,175 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:58,201 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:58,233 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:58,264 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:58,291 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:58,317 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:58,345 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:58,372 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:58,397 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:58,424 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:58,451 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:58,477 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:58,503 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:58,531 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:58,559 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:58,585 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:58,613 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:58,641 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:58,669 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:58,703 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:58,736 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:58,764 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:58,793 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:58,823 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:58,854 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:58,882 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:58,910 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:58,939 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:58,967 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:58,997 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:59,023 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:59,055 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:59,083 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:59,111 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:59,139 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:59,166 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:59,193 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:59,222 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:59,268 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:59,296 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:59,323 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:59,348 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:59,374 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:59,406 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:59,437 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:59,467 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:59,503 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:59,531 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:04:59,558 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:05:02,508 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 89 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:05:02,523 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 09:05:02,524 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 21 [2018-12-09 09:05:02,524 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 09:05:02,524 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-09 09:05:02,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-09 09:05:02,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=300, Unknown=1, NotChecked=0, Total=420 [2018-12-09 09:05:02,524 INFO L87 Difference]: Start difference. First operand 6061 states and 8443 transitions. Second operand 15 states. [2018-12-09 09:05:05,335 WARN L180 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 35 [2018-12-09 09:05:18,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:05:18,013 INFO L93 Difference]: Finished difference Result 23792 states and 38686 transitions. [2018-12-09 09:05:18,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-12-09 09:05:18,014 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 356 [2018-12-09 09:05:18,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:05:18,067 INFO L225 Difference]: With dead ends: 23792 [2018-12-09 09:05:18,067 INFO L226 Difference]: Without dead ends: 17737 [2018-12-09 09:05:18,076 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 756 GetRequests, 536 SyntacticMatches, 169 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2023 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=719, Invalid=2036, Unknown=1, NotChecked=0, Total=2756 [2018-12-09 09:05:18,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17737 states. [2018-12-09 09:05:18,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17737 to 17014. [2018-12-09 09:05:18,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17014 states. [2018-12-09 09:05:18,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17014 states to 17014 states and 23726 transitions. [2018-12-09 09:05:18,335 INFO L78 Accepts]: Start accepts. Automaton has 17014 states and 23726 transitions. Word has length 356 [2018-12-09 09:05:18,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:05:18,336 INFO L480 AbstractCegarLoop]: Abstraction has 17014 states and 23726 transitions. [2018-12-09 09:05:18,336 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-09 09:05:18,336 INFO L276 IsEmpty]: Start isEmpty. Operand 17014 states and 23726 transitions. [2018-12-09 09:05:18,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2018-12-09 09:05:18,349 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:05:18,350 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:05:18,350 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:05:18,350 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:05:18,350 INFO L82 PathProgramCache]: Analyzing trace with hash 1336205480, now seen corresponding path program 1 times [2018-12-09 09:05:18,350 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:05:18,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:05:18,351 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:05:18,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:05:18,351 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:05:18,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:05:18,518 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 326 proven. 2 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-09 09:05:18,518 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:05:18,518 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:05:18,518 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 394 with the following transitions: [2018-12-09 09:05:18,518 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [309], [311], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [538], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [854], [859], [861], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-09 09:05:18,521 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 09:05:18,521 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 09:05:18,920 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 09:05:18,920 INFO L272 AbstractInterpreter]: Visited 155 different actions 608 times. Merged at 6 different actions 20 times. Never widened. Performed 8410 root evaluator evaluations with a maximum evaluation depth of 16. Performed 8410 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 4 fixpoints after 2 different actions. Largest state had 28 variables. [2018-12-09 09:05:18,922 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:05:18,922 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 09:05:18,922 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:05:18,922 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3c5e070d-1194-4af8-aa2a-8f66be16db55/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 09:05:18,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:05:18,931 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 09:05:18,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:05:18,988 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:05:19,062 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 326 proven. 2 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-09 09:05:19,062 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 09:05:19,221 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 326 proven. 2 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-09 09:05:19,236 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 09:05:19,236 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2018-12-09 09:05:19,236 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 09:05:19,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 09:05:19,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 09:05:19,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-12-09 09:05:19,236 INFO L87 Difference]: Start difference. First operand 17014 states and 23726 transitions. Second operand 7 states. [2018-12-09 09:05:20,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:05:20,237 INFO L93 Difference]: Finished difference Result 41342 states and 59327 transitions. [2018-12-09 09:05:20,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 09:05:20,238 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 393 [2018-12-09 09:05:20,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:05:20,290 INFO L225 Difference]: With dead ends: 41342 [2018-12-09 09:05:20,290 INFO L226 Difference]: Without dead ends: 24712 [2018-12-09 09:05:20,309 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 799 GetRequests, 787 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2018-12-09 09:05:20,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24712 states. [2018-12-09 09:05:20,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24712 to 24129. [2018-12-09 09:05:20,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24129 states. [2018-12-09 09:05:20,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24129 states to 24129 states and 33685 transitions. [2018-12-09 09:05:20,571 INFO L78 Accepts]: Start accepts. Automaton has 24129 states and 33685 transitions. Word has length 393 [2018-12-09 09:05:20,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:05:20,571 INFO L480 AbstractCegarLoop]: Abstraction has 24129 states and 33685 transitions. [2018-12-09 09:05:20,571 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 09:05:20,571 INFO L276 IsEmpty]: Start isEmpty. Operand 24129 states and 33685 transitions. [2018-12-09 09:05:20,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2018-12-09 09:05:20,582 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:05:20,582 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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 09:05:20,582 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:05:20,582 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:05:20,582 INFO L82 PathProgramCache]: Analyzing trace with hash -378725280, now seen corresponding path program 1 times [2018-12-09 09:05:20,582 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:05:20,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:05:20,583 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:05:20,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:05:20,583 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:05:20,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:05:21,020 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 349 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:05:21,020 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:05:21,020 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:05:21,020 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 396 with the following transitions: [2018-12-09 09:05:21,020 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [309], [311], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [594], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [726], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-09 09:05:21,022 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 09:05:21,022 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 09:05:22,223 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 09:05:22,223 INFO L272 AbstractInterpreter]: Visited 141 different actions 560 times. Merged at 7 different actions 27 times. Never widened. Performed 7904 root evaluator evaluations with a maximum evaluation depth of 21. Performed 7904 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 7 fixpoints after 3 different actions. Largest state had 28 variables. [2018-12-09 09:05:22,226 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:05:22,226 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 09:05:22,226 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:05:22,226 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3c5e070d-1194-4af8-aa2a-8f66be16db55/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 09:05:22,231 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:05:22,232 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 09:05:22,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:05:22,284 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:05:22,360 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 391 proven. 2 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-09 09:05:22,360 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 09:05:22,553 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 251 proven. 94 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-09 09:05:22,568 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 09:05:22,568 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 5, 5] total 21 [2018-12-09 09:05:22,568 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 09:05:22,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-12-09 09:05:22,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-12-09 09:05:22,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=344, Unknown=0, NotChecked=0, Total=420 [2018-12-09 09:05:22,569 INFO L87 Difference]: Start difference. First operand 24129 states and 33685 transitions. Second operand 20 states. [2018-12-09 09:05:29,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:05:29,557 INFO L93 Difference]: Finished difference Result 53806 states and 79018 transitions. [2018-12-09 09:05:29,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2018-12-09 09:05:29,557 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 395 [2018-12-09 09:05:29,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:05:29,617 INFO L225 Difference]: With dead ends: 53806 [2018-12-09 09:05:29,617 INFO L226 Difference]: Without dead ends: 28689 [2018-12-09 09:05:29,652 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 912 GetRequests, 807 SyntacticMatches, 2 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3899 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=1647, Invalid=9273, Unknown=0, NotChecked=0, Total=10920 [2018-12-09 09:05:29,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28689 states. [2018-12-09 09:05:29,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28689 to 26401. [2018-12-09 09:05:29,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26401 states. [2018-12-09 09:05:30,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26401 states to 26401 states and 33860 transitions. [2018-12-09 09:05:30,004 INFO L78 Accepts]: Start accepts. Automaton has 26401 states and 33860 transitions. Word has length 395 [2018-12-09 09:05:30,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:05:30,005 INFO L480 AbstractCegarLoop]: Abstraction has 26401 states and 33860 transitions. [2018-12-09 09:05:30,005 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-12-09 09:05:30,005 INFO L276 IsEmpty]: Start isEmpty. Operand 26401 states and 33860 transitions. [2018-12-09 09:05:30,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2018-12-09 09:05:30,017 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:05:30,017 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:05:30,017 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:05:30,017 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:05:30,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1213771227, now seen corresponding path program 1 times [2018-12-09 09:05:30,018 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:05:30,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:05:30,018 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:05:30,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:05:30,019 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:05:30,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:05:30,260 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 352 proven. 99 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 09:05:30,260 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:05:30,260 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:05:30,260 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 425 with the following transitions: [2018-12-09 09:05:30,261 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [309], [311], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [629], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [750], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [854], [859], [861], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-09 09:05:30,262 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 09:05:30,262 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 09:05:30,562 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 09:05:30,562 INFO L272 AbstractInterpreter]: Visited 155 different actions 456 times. Merged at 6 different actions 13 times. Never widened. Performed 6229 root evaluator evaluations with a maximum evaluation depth of 16. Performed 6229 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 3 fixpoints after 2 different actions. Largest state had 28 variables. [2018-12-09 09:05:30,564 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:05:30,564 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 09:05:30,564 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:05:30,564 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3c5e070d-1194-4af8-aa2a-8f66be16db55/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 09:05:30,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:05:30,569 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 09:05:30,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:05:30,625 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:05:30,683 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 357 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-09 09:05:30,684 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 09:05:30,802 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 357 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-09 09:05:30,818 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 09:05:30,818 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 7 [2018-12-09 09:05:30,818 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 09:05:30,819 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 09:05:30,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 09:05:30,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 09:05:30,819 INFO L87 Difference]: Start difference. First operand 26401 states and 33860 transitions. Second operand 6 states. [2018-12-09 09:05:31,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:05:31,574 INFO L93 Difference]: Finished difference Result 49044 states and 64096 transitions. [2018-12-09 09:05:31,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 09:05:31,575 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 424 [2018-12-09 09:05:31,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:05:31,616 INFO L225 Difference]: With dead ends: 49044 [2018-12-09 09:05:31,616 INFO L226 Difference]: Without dead ends: 22839 [2018-12-09 09:05:31,639 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 861 GetRequests, 849 SyntacticMatches, 4 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-12-09 09:05:31,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22839 states. [2018-12-09 09:05:31,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22839 to 22305. [2018-12-09 09:05:31,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22305 states. [2018-12-09 09:05:31,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22305 states to 22305 states and 27069 transitions. [2018-12-09 09:05:31,908 INFO L78 Accepts]: Start accepts. Automaton has 22305 states and 27069 transitions. Word has length 424 [2018-12-09 09:05:31,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:05:31,909 INFO L480 AbstractCegarLoop]: Abstraction has 22305 states and 27069 transitions. [2018-12-09 09:05:31,909 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 09:05:31,909 INFO L276 IsEmpty]: Start isEmpty. Operand 22305 states and 27069 transitions. [2018-12-09 09:05:31,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2018-12-09 09:05:31,919 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:05:31,919 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 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 09:05:31,919 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:05:31,919 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:05:31,919 INFO L82 PathProgramCache]: Analyzing trace with hash 780819595, now seen corresponding path program 1 times [2018-12-09 09:05:31,919 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:05:31,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:05:31,920 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:05:31,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:05:31,920 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:05:31,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:05:32,089 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 134 proven. 233 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-12-09 09:05:32,089 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:05:32,089 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:05:32,089 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 436 with the following transitions: [2018-12-09 09:05:32,089 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [309], [311], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [653], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [854], [859], [861], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-09 09:05:32,091 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 09:05:32,091 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 09:05:32,562 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 09:05:32,562 INFO L272 AbstractInterpreter]: Visited 159 different actions 625 times. Merged at 7 different actions 24 times. Never widened. Performed 8943 root evaluator evaluations with a maximum evaluation depth of 17. Performed 8943 inverse root evaluator evaluations with a maximum inverse evaluation depth of 17. Found 6 fixpoints after 2 different actions. Largest state had 28 variables. [2018-12-09 09:05:32,564 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:05:32,564 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 09:05:32,564 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:05:32,564 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3c5e070d-1194-4af8-aa2a-8f66be16db55/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 09:05:32,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:05:32,570 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 09:05:32,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:05:32,626 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:05:36,141 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 322 proven. 106 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-09 09:05:36,141 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 09:05:36,728 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 365 proven. 107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:05:36,742 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 09:05:36,742 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 8] total 16 [2018-12-09 09:05:36,742 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 09:05:36,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 09:05:36,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 09:05:36,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=176, Unknown=3, NotChecked=0, Total=240 [2018-12-09 09:05:36,743 INFO L87 Difference]: Start difference. First operand 22305 states and 27069 transitions. Second operand 11 states. [2018-12-09 09:05:41,860 WARN L180 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-12-09 09:06:39,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:06:39,781 INFO L93 Difference]: Finished difference Result 55975 states and 72779 transitions. [2018-12-09 09:06:39,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-12-09 09:06:39,782 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 435 [2018-12-09 09:06:39,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:06:39,851 INFO L225 Difference]: With dead ends: 55975 [2018-12-09 09:06:39,851 INFO L226 Difference]: Without dead ends: 33866 [2018-12-09 09:06:39,876 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 904 GetRequests, 872 SyntacticMatches, 5 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=225, Invalid=579, Unknown=8, NotChecked=0, Total=812 [2018-12-09 09:06:39,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33866 states. [2018-12-09 09:06:40,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33866 to 32623. [2018-12-09 09:06:40,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32623 states. [2018-12-09 09:06:40,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32623 states to 32623 states and 40127 transitions. [2018-12-09 09:06:40,329 INFO L78 Accepts]: Start accepts. Automaton has 32623 states and 40127 transitions. Word has length 435 [2018-12-09 09:06:40,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:06:40,329 INFO L480 AbstractCegarLoop]: Abstraction has 32623 states and 40127 transitions. [2018-12-09 09:06:40,329 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 09:06:40,329 INFO L276 IsEmpty]: Start isEmpty. Operand 32623 states and 40127 transitions. [2018-12-09 09:06:40,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 461 [2018-12-09 09:06:40,340 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:06:40,340 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:06:40,341 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:06:40,341 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:06:40,341 INFO L82 PathProgramCache]: Analyzing trace with hash 1955683408, now seen corresponding path program 1 times [2018-12-09 09:06:40,341 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:06:40,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:06:40,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:06:40,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:06:40,341 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:06:40,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:06:40,555 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2018-12-09 09:06:40,555 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:06:40,555 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:06:40,556 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 461 with the following transitions: [2018-12-09 09:06:40,556 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [309], [311], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [570], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [869], [870], [874], [878], [889], [893], [897], [901], [905], [909], [913], [924], [928], [932], [936], [940], [944], [948], [952], [956], [960], [971], [975], [979], [983], [987], [991], [994], [999], [1001], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-09 09:06:40,557 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 09:06:40,557 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 09:06:40,994 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 09:06:40,994 INFO L272 AbstractInterpreter]: Visited 185 different actions 911 times. Merged at 7 different actions 32 times. Never widened. Performed 13404 root evaluator evaluations with a maximum evaluation depth of 9. Performed 13404 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 8 fixpoints after 2 different actions. Largest state had 28 variables. [2018-12-09 09:06:40,996 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:06:40,996 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 09:06:40,996 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:06:40,996 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3c5e070d-1194-4af8-aa2a-8f66be16db55/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 09:06:41,001 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:06:41,001 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 09:06:41,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:06:41,064 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:06:47,682 WARN L180 SmtUtils]: Spent 4.56 s on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2018-12-09 09:06:50,480 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 324 proven. 2 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-12-09 09:06:50,481 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 09:06:50,607 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 219 proven. 88 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-12-09 09:06:50,622 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 09:06:50,622 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 5] total 16 [2018-12-09 09:06:50,622 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 09:06:50,622 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-09 09:06:50,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-09 09:06:50,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=195, Unknown=3, NotChecked=0, Total=240 [2018-12-09 09:06:50,623 INFO L87 Difference]: Start difference. First operand 32623 states and 40127 transitions. Second operand 14 states. [2018-12-09 09:07:19,340 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 24 [2018-12-09 09:13:07,241 WARN L180 SmtUtils]: Spent 4.08 s on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2018-12-09 09:13:18,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:13:18,128 INFO L93 Difference]: Finished difference Result 86037 states and 111619 transitions. [2018-12-09 09:13:18,129 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2018-12-09 09:13:18,129 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 460 [2018-12-09 09:13:18,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:13:18,243 INFO L225 Difference]: With dead ends: 86037 [2018-12-09 09:13:18,243 INFO L226 Difference]: Without dead ends: 53610 [2018-12-09 09:13:18,282 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1014 GetRequests, 915 SyntacticMatches, 11 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2979 ImplicationChecksByTransitivity, 30.6s TimeCoverageRelationStatistics Valid=1439, Invalid=6559, Unknown=12, NotChecked=0, Total=8010 [2018-12-09 09:13:18,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53610 states. [2018-12-09 09:13:18,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53610 to 45527. [2018-12-09 09:13:18,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45527 states. [2018-12-09 09:13:18,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45527 states to 45527 states and 55534 transitions. [2018-12-09 09:13:18,961 INFO L78 Accepts]: Start accepts. Automaton has 45527 states and 55534 transitions. Word has length 460 [2018-12-09 09:13:18,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:13:18,961 INFO L480 AbstractCegarLoop]: Abstraction has 45527 states and 55534 transitions. [2018-12-09 09:13:18,961 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-09 09:13:18,961 INFO L276 IsEmpty]: Start isEmpty. Operand 45527 states and 55534 transitions. [2018-12-09 09:13:18,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2018-12-09 09:13:18,977 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:13:18,977 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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 09:13:18,977 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:13:18,978 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:13:18,978 INFO L82 PathProgramCache]: Analyzing trace with hash -1230274978, now seen corresponding path program 1 times [2018-12-09 09:13:18,978 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:13:18,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:13:18,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:13:18,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:13:18,978 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:13:19,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:13:19,188 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 137 proven. 182 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2018-12-09 09:13:19,189 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:13:19,189 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:13:19,189 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 506 with the following transitions: [2018-12-09 09:13:19,189 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [309], [311], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [594], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [870], [874], [878], [889], [893], [897], [901], [905], [909], [913], [924], [928], [932], [936], [940], [944], [948], [952], [956], [960], [971], [975], [979], [983], [987], [991], [1002], [1005], [1008], [1012], [1013], [1017], [1021], [1032], [1036], [1040], [1044], [1055], [1059], [1063], [1067], [1070], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-09 09:13:19,191 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 09:13:19,191 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 09:13:19,657 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 09:13:19,657 INFO L272 AbstractInterpreter]: Visited 197 different actions 586 times. Merged at 7 different actions 19 times. Never widened. Performed 8255 root evaluator evaluations with a maximum evaluation depth of 18. Performed 8255 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 4 fixpoints after 2 different actions. Largest state had 28 variables. [2018-12-09 09:13:19,662 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:13:19,662 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 09:13:19,662 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:13:19,662 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3c5e070d-1194-4af8-aa2a-8f66be16db55/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 09:13:19,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:13:19,668 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 09:13:19,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:13:19,731 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:13:19,851 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 318 proven. 2 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2018-12-09 09:13:19,851 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 09:13:20,258 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 318 proven. 2 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2018-12-09 09:13:20,273 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 09:13:20,273 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-12-09 09:13:20,273 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 09:13:20,274 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 09:13:20,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 09:13:20,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2018-12-09 09:13:20,274 INFO L87 Difference]: Start difference. First operand 45527 states and 55534 transitions. Second operand 11 states. [2018-12-09 09:13:24,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:13:24,797 INFO L93 Difference]: Finished difference Result 100159 states and 122451 transitions. [2018-12-09 09:13:24,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-12-09 09:13:24,798 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 505 [2018-12-09 09:13:24,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:13:24,887 INFO L225 Difference]: With dead ends: 100159 [2018-12-09 09:13:24,887 INFO L226 Difference]: Without dead ends: 54828 [2018-12-09 09:13:24,933 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1091 GetRequests, 1040 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 759 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=450, Invalid=2202, Unknown=0, NotChecked=0, Total=2652 [2018-12-09 09:13:24,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54828 states. [2018-12-09 09:13:25,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54828 to 52265. [2018-12-09 09:13:25,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52265 states. [2018-12-09 09:13:25,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52265 states to 52265 states and 60980 transitions. [2018-12-09 09:13:25,553 INFO L78 Accepts]: Start accepts. Automaton has 52265 states and 60980 transitions. Word has length 505 [2018-12-09 09:13:25,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:13:25,554 INFO L480 AbstractCegarLoop]: Abstraction has 52265 states and 60980 transitions. [2018-12-09 09:13:25,554 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 09:13:25,554 INFO L276 IsEmpty]: Start isEmpty. Operand 52265 states and 60980 transitions. [2018-12-09 09:13:25,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2018-12-09 09:13:25,579 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:13:25,580 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-12-09 09:13:25,580 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:13:25,580 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:13:25,580 INFO L82 PathProgramCache]: Analyzing trace with hash -1050671979, now seen corresponding path program 1 times [2018-12-09 09:13:25,580 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:13:25,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:13:25,581 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:13:25,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:13:25,581 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:13:25,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:13:25,796 INFO L134 CoverageAnalysis]: Checked inductivity of 835 backedges. 381 proven. 100 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2018-12-09 09:13:25,796 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:13:25,796 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:13:25,796 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 575 with the following transitions: [2018-12-09 09:13:25,796 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [309], [311], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [618], [623], [625], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [784], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [870], [874], [878], [889], [893], [897], [901], [905], [909], [913], [924], [928], [932], [936], [940], [944], [948], [952], [956], [960], [971], [975], [979], [983], [987], [991], [994], [999], [1001], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-09 09:13:25,798 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 09:13:25,798 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 09:13:26,302 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 09:13:26,302 INFO L272 AbstractInterpreter]: Visited 186 different actions 916 times. Merged at 7 different actions 32 times. Never widened. Performed 13358 root evaluator evaluations with a maximum evaluation depth of 16. Performed 13358 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 8 fixpoints after 2 different actions. Largest state had 28 variables. [2018-12-09 09:13:26,303 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:13:26,303 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 09:13:26,304 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:13:26,304 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3c5e070d-1194-4af8-aa2a-8f66be16db55/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 09:13:26,313 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:13:26,313 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 09:13:26,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:13:26,403 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:13:26,501 INFO L134 CoverageAnalysis]: Checked inductivity of 835 backedges. 676 proven. 2 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2018-12-09 09:13:26,501 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 09:13:26,653 INFO L134 CoverageAnalysis]: Checked inductivity of 835 backedges. 381 proven. 100 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2018-12-09 09:13:26,668 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 09:13:26,668 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-09 09:13:26,668 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 09:13:26,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 09:13:26,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 09:13:26,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-09 09:13:26,669 INFO L87 Difference]: Start difference. First operand 52265 states and 60980 transitions. Second operand 9 states. [2018-12-09 09:13:28,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:13:28,649 INFO L93 Difference]: Finished difference Result 111149 states and 130957 transitions. [2018-12-09 09:13:28,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 09:13:28,649 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 574 [2018-12-09 09:13:28,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:13:28,728 INFO L225 Difference]: With dead ends: 111149 [2018-12-09 09:13:28,728 INFO L226 Difference]: Without dead ends: 56960 [2018-12-09 09:13:28,762 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1167 GetRequests, 1150 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2018-12-09 09:13:28,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56960 states. [2018-12-09 09:13:29,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56960 to 54406. [2018-12-09 09:13:29,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54406 states. [2018-12-09 09:13:29,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54406 states to 54406 states and 62391 transitions. [2018-12-09 09:13:29,393 INFO L78 Accepts]: Start accepts. Automaton has 54406 states and 62391 transitions. Word has length 574 [2018-12-09 09:13:29,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:13:29,393 INFO L480 AbstractCegarLoop]: Abstraction has 54406 states and 62391 transitions. [2018-12-09 09:13:29,393 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 09:13:29,393 INFO L276 IsEmpty]: Start isEmpty. Operand 54406 states and 62391 transitions. [2018-12-09 09:13:29,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 605 [2018-12-09 09:13:29,417 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:13:29,417 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:13:29,417 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:13:29,417 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:13:29,418 INFO L82 PathProgramCache]: Analyzing trace with hash -79253466, now seen corresponding path program 1 times [2018-12-09 09:13:29,418 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:13:29,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:13:29,418 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:13:29,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:13:29,418 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:13:29,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:13:29,652 INFO L134 CoverageAnalysis]: Checked inductivity of 1091 backedges. 561 proven. 42 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2018-12-09 09:13:29,652 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:13:29,652 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:13:29,652 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 605 with the following transitions: [2018-12-09 09:13:29,652 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [309], [311], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [562], [563], [567], [570], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [750], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [870], [874], [878], [889], [893], [897], [901], [905], [909], [913], [924], [928], [932], [936], [940], [944], [948], [952], [956], [960], [971], [975], [979], [983], [987], [991], [994], [999], [1001], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-09 09:13:29,654 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 09:13:29,655 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 09:13:33,547 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 09:13:33,547 INFO L272 AbstractInterpreter]: Visited 187 different actions 746 times. Merged at 9 different actions 34 times. Widened at 1 different actions 1 times. Performed 10847 root evaluator evaluations with a maximum evaluation depth of 22. Performed 10847 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 11 fixpoints after 4 different actions. Largest state had 28 variables. [2018-12-09 09:13:33,549 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:13:33,550 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 09:13:33,550 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:13:33,550 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3c5e070d-1194-4af8-aa2a-8f66be16db55/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 09:13:33,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:13:33,555 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 09:13:33,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:13:33,630 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:13:33,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1091 backedges. 561 proven. 42 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2018-12-09 09:13:33,947 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 09:13:34,053 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:34,077 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:34,100 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:34,120 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:34,145 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:34,168 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:34,192 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:34,214 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:34,235 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:34,256 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:34,276 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:34,296 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:34,317 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:34,338 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:34,360 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:34,381 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:34,403 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:34,424 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:34,447 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:34,467 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:34,488 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:34,509 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:34,528 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:34,548 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:34,571 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:34,591 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:34,611 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:34,633 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:34,654 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:34,675 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:34,696 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:34,716 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:34,739 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:34,764 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:34,787 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:34,814 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:34,835 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:34,856 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:34,878 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:34,899 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:34,919 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:34,940 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:34,962 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:34,986 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:35,012 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:35,034 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:35,054 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:35,078 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:35,101 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:35,122 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:35,143 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:35,168 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:35,190 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:35,214 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:35,235 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:35,260 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:35,294 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:35,324 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:35,350 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:35,371 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:35,392 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:35,412 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:35,435 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:35,457 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:35,480 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:35,499 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:35,523 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:35,545 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:35,567 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:35,588 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:35,610 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:35,631 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:35,651 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:35,672 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:35,693 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:35,715 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:35,735 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:35,760 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:35,784 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:35,805 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:35,826 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:35,848 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:35,873 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:35,897 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:35,921 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:35,946 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:35,966 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:35,989 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:36,012 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:36,036 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:36,058 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:36,080 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:36,103 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:36,128 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:36,151 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:36,175 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:36,198 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:36,220 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:36,243 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:36,265 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:36,284 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:36,303 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:36,323 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:36,345 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:36,366 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:36,387 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:36,408 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:36,430 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:36,455 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:36,478 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:36,501 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:36,524 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:36,547 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:36,568 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:36,589 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:36,612 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:36,634 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:36,654 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:36,674 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:36,695 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:36,716 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:36,736 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:36,757 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:36,778 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:36,798 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:36,818 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:36,839 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:36,859 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:36,878 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:36,898 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:36,918 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:36,943 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:36,965 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:36,985 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:37,004 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:37,024 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:37,043 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:37,062 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:37,080 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:37,103 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:37,126 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:37,147 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:37,169 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:37,192 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:37,216 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:37,241 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:37,268 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:37,296 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:37,336 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:37,379 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:37,413 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:37,437 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:37,457 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:37,477 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:37,497 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:37,518 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:37,546 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:37,577 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:37,608 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:37,640 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:37,668 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:37,700 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:37,721 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:37,742 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:37,762 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:37,783 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:37,804 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-09 09:13:38,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1091 backedges. 601 proven. 2 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2018-12-09 09:13:38,548 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 09:13:38,548 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 6] total 15 [2018-12-09 09:13:38,548 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 09:13:38,548 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-09 09:13:38,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-09 09:13:38,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2018-12-09 09:13:38,549 INFO L87 Difference]: Start difference. First operand 54406 states and 62391 transitions. Second operand 12 states. [2018-12-09 09:13:41,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:13:41,751 INFO L93 Difference]: Finished difference Result 72417 states and 82910 transitions. [2018-12-09 09:13:41,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-09 09:13:41,752 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 604 [2018-12-09 09:13:41,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:13:41,859 INFO L225 Difference]: With dead ends: 72417 [2018-12-09 09:13:41,859 INFO L226 Difference]: Without dead ends: 72415 [2018-12-09 09:13:41,882 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1236 GetRequests, 1046 SyntacticMatches, 167 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2127 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=176, Invalid=424, Unknown=0, NotChecked=0, Total=600 [2018-12-09 09:13:41,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72415 states. [2018-12-09 09:13:42,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72415 to 66946. [2018-12-09 09:13:42,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66946 states. [2018-12-09 09:13:42,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66946 states to 66946 states and 76606 transitions. [2018-12-09 09:13:42,691 INFO L78 Accepts]: Start accepts. Automaton has 66946 states and 76606 transitions. Word has length 604 [2018-12-09 09:13:42,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:13:42,692 INFO L480 AbstractCegarLoop]: Abstraction has 66946 states and 76606 transitions. [2018-12-09 09:13:42,692 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-09 09:13:42,692 INFO L276 IsEmpty]: Start isEmpty. Operand 66946 states and 76606 transitions. [2018-12-09 09:13:42,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 677 [2018-12-09 09:13:42,722 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:13:42,722 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:13:42,722 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:13:42,722 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:13:42,723 INFO L82 PathProgramCache]: Analyzing trace with hash -2077940752, now seen corresponding path program 1 times [2018-12-09 09:13:42,723 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:13:42,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:13:42,723 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:13:42,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:13:42,723 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:13:42,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:13:44,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1246 backedges. 850 proven. 102 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2018-12-09 09:13:44,277 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:13:44,277 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:13:44,277 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 677 with the following transitions: [2018-12-09 09:13:44,277 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [309], [311], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [618], [623], [625], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [750], [751], [762], [766], [777], [781], [785], [789], [793], [797], [800], [803], [807], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [870], [874], [878], [889], [893], [897], [901], [905], [909], [913], [924], [928], [932], [936], [940], [944], [948], [952], [956], [960], [971], [975], [979], [983], [987], [991], [994], [999], [1001], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-09 09:13:44,280 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 09:13:44,280 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 09:13:44,717 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 09:13:44,717 INFO L272 AbstractInterpreter]: Visited 191 different actions 942 times. Merged at 9 different actions 45 times. Widened at 1 different actions 2 times. Performed 13721 root evaluator evaluations with a maximum evaluation depth of 14. Performed 13721 inverse root evaluator evaluations with a maximum inverse evaluation depth of 14. Found 12 fixpoints after 3 different actions. Largest state had 28 variables. [2018-12-09 09:13:44,722 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:13:44,722 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 09:13:44,722 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:13:44,722 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3c5e070d-1194-4af8-aa2a-8f66be16db55/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 09:13:44,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:13:44,729 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 09:13:44,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:13:44,810 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:13:44,974 INFO L134 CoverageAnalysis]: Checked inductivity of 1246 backedges. 669 proven. 2 refuted. 0 times theorem prover too weak. 575 trivial. 0 not checked. [2018-12-09 09:13:44,974 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 09:13:45,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1246 backedges. 669 proven. 2 refuted. 0 times theorem prover too weak. 575 trivial. 0 not checked. [2018-12-09 09:13:45,522 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 09:13:45,522 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 5, 5] total 27 [2018-12-09 09:13:45,522 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 09:13:45,523 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-12-09 09:13:45,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-12-09 09:13:45,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=603, Unknown=0, NotChecked=0, Total=702 [2018-12-09 09:13:45,523 INFO L87 Difference]: Start difference. First operand 66946 states and 76606 transitions. Second operand 25 states. [2018-12-09 09:13:57,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:13:57,378 INFO L93 Difference]: Finished difference Result 136741 states and 160293 transitions. [2018-12-09 09:13:57,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2018-12-09 09:13:57,379 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 676 [2018-12-09 09:13:57,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:13:57,490 INFO L225 Difference]: With dead ends: 136741 [2018-12-09 09:13:57,490 INFO L226 Difference]: Without dead ends: 69323 [2018-12-09 09:13:57,532 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1508 GetRequests, 1401 SyntacticMatches, 1 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3711 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=1874, Invalid=9682, Unknown=0, NotChecked=0, Total=11556 [2018-12-09 09:13:57,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69323 states. [2018-12-09 09:13:58,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69323 to 66910. [2018-12-09 09:13:58,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66910 states. [2018-12-09 09:13:58,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66910 states to 66910 states and 74826 transitions. [2018-12-09 09:13:58,391 INFO L78 Accepts]: Start accepts. Automaton has 66910 states and 74826 transitions. Word has length 676 [2018-12-09 09:13:58,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:13:58,391 INFO L480 AbstractCegarLoop]: Abstraction has 66910 states and 74826 transitions. [2018-12-09 09:13:58,391 INFO L481 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-12-09 09:13:58,391 INFO L276 IsEmpty]: Start isEmpty. Operand 66910 states and 74826 transitions. [2018-12-09 09:13:58,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 691 [2018-12-09 09:13:58,421 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:13:58,421 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:13:58,421 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:13:58,422 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:13:58,422 INFO L82 PathProgramCache]: Analyzing trace with hash -241951281, now seen corresponding path program 1 times [2018-12-09 09:13:58,422 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:13:58,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:13:58,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:13:58,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:13:58,422 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:13:58,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:13:58,607 INFO L134 CoverageAnalysis]: Checked inductivity of 1635 backedges. 288 proven. 6 refuted. 0 times theorem prover too weak. 1341 trivial. 0 not checked. [2018-12-09 09:13:58,607 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:13:58,607 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:13:58,607 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 691 with the following transitions: [2018-12-09 09:13:58,607 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [309], [311], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [526], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [563], [567], [571], [575], [579], [583], [587], [591], [594], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [726], [727], [731], [735], [739], [743], [747], [750], [751], [762], [766], [777], [781], [785], [789], [793], [797], [800], [805], [807], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-09 09:13:58,609 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 09:13:58,609 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 09:14:02,421 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 09:14:02,421 INFO L272 AbstractInterpreter]: Visited 150 different actions 742 times. Merged at 9 different actions 41 times. Never widened. Performed 10610 root evaluator evaluations with a maximum evaluation depth of 21. Performed 10610 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 17 fixpoints after 4 different actions. Largest state had 28 variables. [2018-12-09 09:14:02,423 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:14:02,423 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 09:14:02,423 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:14:02,423 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3c5e070d-1194-4af8-aa2a-8f66be16db55/bin-2019/utaipan/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 09:14:02,429 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:14:02,429 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 09:14:02,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:14:02,518 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:14:02,693 INFO L134 CoverageAnalysis]: Checked inductivity of 1635 backedges. 957 proven. 0 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2018-12-09 09:14:02,693 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 09:14:02,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1635 backedges. 288 proven. 6 refuted. 0 times theorem prover too weak. 1341 trivial. 0 not checked. [2018-12-09 09:14:02,838 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 09:14:02,838 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3, 3] total 3 [2018-12-09 09:14:02,838 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:14:02,839 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 09:14:02,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 09:14:02,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 09:14:02,839 INFO L87 Difference]: Start difference. First operand 66910 states and 74826 transitions. Second operand 3 states. [2018-12-09 09:14:03,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:14:03,691 INFO L93 Difference]: Finished difference Result 102666 states and 114938 transitions. [2018-12-09 09:14:03,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 09:14:03,691 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 690 [2018-12-09 09:14:03,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:14:03,763 INFO L225 Difference]: With dead ends: 102666 [2018-12-09 09:14:03,763 INFO L226 Difference]: Without dead ends: 50344 [2018-12-09 09:14:03,805 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1382 GetRequests, 1381 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 09:14:03,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50344 states. [2018-12-09 09:14:04,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50344 to 49574. [2018-12-09 09:14:04,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49574 states. [2018-12-09 09:14:04,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49574 states to 49574 states and 54872 transitions. [2018-12-09 09:14:04,413 INFO L78 Accepts]: Start accepts. Automaton has 49574 states and 54872 transitions. Word has length 690 [2018-12-09 09:14:04,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:14:04,413 INFO L480 AbstractCegarLoop]: Abstraction has 49574 states and 54872 transitions. [2018-12-09 09:14:04,414 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 09:14:04,414 INFO L276 IsEmpty]: Start isEmpty. Operand 49574 states and 54872 transitions. [2018-12-09 09:14:04,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 693 [2018-12-09 09:14:04,443 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 09:14:04,443 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:14:04,443 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 09:14:04,443 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:14:04,444 INFO L82 PathProgramCache]: Analyzing trace with hash -850992110, now seen corresponding path program 1 times [2018-12-09 09:14:04,444 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 09:14:04,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:14:04,444 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:14:04,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:14:04,444 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 09:14:04,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:14:04,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1214 backedges. 715 proven. 94 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2018-12-09 09:14:04,820 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:14:04,820 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 09:14:04,821 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 693 with the following transitions: [2018-12-09 09:14:04,821 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [309], [311], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [562], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [750], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [870], [874], [878], [889], [893], [897], [901], [905], [909], [913], [924], [928], [932], [936], [940], [944], [948], [952], [956], [960], [971], [975], [979], [983], [987], [991], [994], [999], [1001], [1002], [1005], [1008], [1012], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-09 09:14:04,823 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 09:14:04,823 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 09:14:08,714 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 09:14:08,714 INFO L272 AbstractInterpreter]: Visited 190 different actions 756 times. Merged at 9 different actions 34 times. Widened at 1 different actions 1 times. Performed 10973 root evaluator evaluations with a maximum evaluation depth of 22. Performed 10973 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 11 fixpoints after 4 different actions. Largest state had 28 variables. [2018-12-09 09:14:08,716 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:14:08,716 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 09:14:08,716 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 09:14:08,716 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3c5e070d-1194-4af8-aa2a-8f66be16db55/bin-2019/utaipan/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 09:14:08,723 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:14:08,723 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 09:14:08,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:14:08,810 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 09:14:09,253 INFO L134 CoverageAnalysis]: Checked inductivity of 1214 backedges. 642 proven. 46 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2018-12-09 09:14:09,253 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 09:14:09,462 INFO L134 CoverageAnalysis]: Checked inductivity of 1214 backedges. 227 proven. 0 refuted. 0 times theorem prover too weak. 987 trivial. 0 not checked. [2018-12-09 09:14:09,477 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 09:14:09,478 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [11, 7] total 17 [2018-12-09 09:14:09,478 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 09:14:09,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 09:14:09,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 09:14:09,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2018-12-09 09:14:09,478 INFO L87 Difference]: Start difference. First operand 49574 states and 54872 transitions. Second operand 3 states. [2018-12-09 09:14:10,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:14:10,232 INFO L93 Difference]: Finished difference Result 88708 states and 98530 transitions. [2018-12-09 09:14:10,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 09:14:10,233 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 692 [2018-12-09 09:14:10,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 09:14:10,234 INFO L225 Difference]: With dead ends: 88708 [2018-12-09 09:14:10,234 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 09:14:10,284 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1396 GetRequests, 1380 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2018-12-09 09:14:10,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 09:14:10,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 09:14:10,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 09:14:10,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 09:14:10,285 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 692 [2018-12-09 09:14:10,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 09:14:10,285 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 09:14:10,285 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 09:14:10,285 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 09:14:10,285 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 09:14:10,288 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 09:14:10,413 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,468 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,484 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,530 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,693 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,760 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:10,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,128 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,182 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,257 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,445 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,552 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:11,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:12,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:12,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:12,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:12,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:12,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:12,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:12,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:12,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:12,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:12,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:12,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:12,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:12,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:12,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:12,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:12,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:12,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:12,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:12,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:12,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:12,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:13,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:13,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:13,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:13,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:13,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:13,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:13,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:13,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:13,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:13,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:13,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:13,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:13,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:13,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:13,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:13,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:14,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:14,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:14,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:14,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:14,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:14,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:14,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:14,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:14,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:14,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:14,790 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:14,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:14,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:15,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:15,220 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:15,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:15,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:15,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:15,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:15,861 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:16,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:16,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:16,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,086 WARN L180 SmtUtils]: Spent 6.04 s on a formula simplification. DAG size of input: 2261 DAG size of output: 1849 [2018-12-09 09:14:17,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,128 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,182 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,182 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,291 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,363 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,372 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,552 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,848 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,915 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:17,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:18,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:18,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:18,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:18,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:18,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:18,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:18,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:18,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:18,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:18,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:18,488 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:18,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:18,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:18,778 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:18,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:18,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:18,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:18,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:18,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:18,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:18,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:19,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:19,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:19,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:19,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:19,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:19,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:19,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:19,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:19,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:19,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:19,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:19,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:19,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:19,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:19,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:19,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:20,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:20,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:20,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:20,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:20,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:20,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:20,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:20,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:20,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:20,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:20,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:20,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:20,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:21,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:21,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:21,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:21,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:21,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:21,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:21,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:22,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:22,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:22,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 09:14:23,150 WARN L180 SmtUtils]: Spent 6.06 s on a formula simplification. DAG size of input: 2261 DAG size of output: 1849 [2018-12-09 09:14:34,089 WARN L180 SmtUtils]: Spent 10.81 s on a formula simplification. DAG size of input: 1113 DAG size of output: 174 [2018-12-09 09:15:16,950 WARN L180 SmtUtils]: Spent 42.84 s on a formula simplification. DAG size of input: 1776 DAG size of output: 149 [2018-12-09 09:15:59,376 WARN L180 SmtUtils]: Spent 42.41 s on a formula simplification. DAG size of input: 1776 DAG size of output: 149 [2018-12-09 09:15:59,378 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 09:15:59,378 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a29~0 |old(~a29~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-12-09 09:15:59,379 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 09:15:59,379 INFO L448 ceAbstractionStarter]: For program point L168(line 168) no Hoare annotation was computed. [2018-12-09 09:15:59,379 INFO L448 ceAbstractionStarter]: For program point L102(line 102) no Hoare annotation was computed. [2018-12-09 09:15:59,379 INFO L448 ceAbstractionStarter]: For program point L36(line 36) no Hoare annotation was computed. [2018-12-09 09:15:59,379 INFO L448 ceAbstractionStarter]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,379 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,379 INFO L448 ceAbstractionStarter]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,379 INFO L448 ceAbstractionStarter]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,379 INFO L448 ceAbstractionStarter]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,379 INFO L448 ceAbstractionStarter]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,379 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,379 INFO L448 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2018-12-09 09:15:59,379 INFO L448 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2018-12-09 09:15:59,379 INFO L448 ceAbstractionStarter]: For program point L39(line 39) no Hoare annotation was computed. [2018-12-09 09:15:59,379 INFO L448 ceAbstractionStarter]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,379 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,379 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,379 INFO L448 ceAbstractionStarter]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,379 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,379 INFO L448 ceAbstractionStarter]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,379 INFO L448 ceAbstractionStarter]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,379 INFO L448 ceAbstractionStarter]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,379 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,379 INFO L448 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2018-12-09 09:15:59,379 INFO L448 ceAbstractionStarter]: For program point L108(line 108) no Hoare annotation was computed. [2018-12-09 09:15:59,380 INFO L448 ceAbstractionStarter]: For program point L42(line 42) no Hoare annotation was computed. [2018-12-09 09:15:59,380 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,380 INFO L448 ceAbstractionStarter]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,380 INFO L448 ceAbstractionStarter]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,380 INFO L448 ceAbstractionStarter]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,380 INFO L448 ceAbstractionStarter]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,380 INFO L448 ceAbstractionStarter]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,380 INFO L448 ceAbstractionStarter]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,380 INFO L448 ceAbstractionStarter]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,380 INFO L448 ceAbstractionStarter]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,380 INFO L448 ceAbstractionStarter]: For program point L177(line 177) no Hoare annotation was computed. [2018-12-09 09:15:59,380 INFO L448 ceAbstractionStarter]: For program point L111(line 111) no Hoare annotation was computed. [2018-12-09 09:15:59,380 INFO L448 ceAbstractionStarter]: For program point L45(line 45) no Hoare annotation was computed. [2018-12-09 09:15:59,380 INFO L448 ceAbstractionStarter]: For program point L970(lines 970 980) no Hoare annotation was computed. [2018-12-09 09:15:59,380 INFO L448 ceAbstractionStarter]: For program point L904(lines 904 914) no Hoare annotation was computed. [2018-12-09 09:15:59,380 INFO L448 ceAbstractionStarter]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2018-12-09 09:15:59,380 INFO L448 ceAbstractionStarter]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2018-12-09 09:15:59,380 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,380 INFO L448 ceAbstractionStarter]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,380 INFO L448 ceAbstractionStarter]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,380 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,380 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,380 INFO L448 ceAbstractionStarter]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,381 INFO L448 ceAbstractionStarter]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,381 INFO L448 ceAbstractionStarter]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,381 INFO L448 ceAbstractionStarter]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,381 INFO L448 ceAbstractionStarter]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,381 INFO L448 ceAbstractionStarter]: For program point L180(line 180) no Hoare annotation was computed. [2018-12-09 09:15:59,381 INFO L448 ceAbstractionStarter]: For program point L114(line 114) no Hoare annotation was computed. [2018-12-09 09:15:59,381 INFO L448 ceAbstractionStarter]: For program point L48(line 48) no Hoare annotation was computed. [2018-12-09 09:15:59,381 INFO L448 ceAbstractionStarter]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,381 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,381 INFO L448 ceAbstractionStarter]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,381 INFO L448 ceAbstractionStarter]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,381 INFO L448 ceAbstractionStarter]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,381 INFO L448 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2018-12-09 09:15:59,381 INFO L448 ceAbstractionStarter]: For program point L117(line 117) no Hoare annotation was computed. [2018-12-09 09:15:59,381 INFO L448 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-12-09 09:15:59,381 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,382 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,382 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,382 INFO L448 ceAbstractionStarter]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,382 INFO L448 ceAbstractionStarter]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,382 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 525) no Hoare annotation was computed. [2018-12-09 09:15:59,382 INFO L448 ceAbstractionStarter]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2018-12-09 09:15:59,382 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,382 INFO L448 ceAbstractionStarter]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,382 INFO L448 ceAbstractionStarter]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,382 INFO L448 ceAbstractionStarter]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,382 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,382 INFO L448 ceAbstractionStarter]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,382 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 657) no Hoare annotation was computed. [2018-12-09 09:15:59,382 INFO L448 ceAbstractionStarter]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2018-12-09 09:15:59,383 INFO L448 ceAbstractionStarter]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,383 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,383 INFO L448 ceAbstractionStarter]: For program point L186(line 186) no Hoare annotation was computed. [2018-12-09 09:15:59,383 INFO L448 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2018-12-09 09:15:59,383 INFO L448 ceAbstractionStarter]: For program point L54(line 54) no Hoare annotation was computed. [2018-12-09 09:15:59,383 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,383 INFO L448 ceAbstractionStarter]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,383 INFO L448 ceAbstractionStarter]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,383 INFO L448 ceAbstractionStarter]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,383 INFO L448 ceAbstractionStarter]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,383 INFO L448 ceAbstractionStarter]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,383 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,383 INFO L448 ceAbstractionStarter]: For program point L189(line 189) no Hoare annotation was computed. [2018-12-09 09:15:59,383 INFO L448 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2018-12-09 09:15:59,383 INFO L448 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2018-12-09 09:15:59,383 INFO L448 ceAbstractionStarter]: For program point L916(lines 916 926) no Hoare annotation was computed. [2018-12-09 09:15:59,383 INFO L448 ceAbstractionStarter]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2018-12-09 09:15:59,383 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 730) no Hoare annotation was computed. [2018-12-09 09:15:59,383 INFO L448 ceAbstractionStarter]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2018-12-09 09:15:59,383 INFO L448 ceAbstractionStarter]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,383 INFO L448 ceAbstractionStarter]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,383 INFO L448 ceAbstractionStarter]: For program point L587(lines 587 597) no Hoare annotation was computed. [2018-12-09 09:15:59,384 INFO L448 ceAbstractionStarter]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2018-12-09 09:15:59,384 INFO L448 ceAbstractionStarter]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,384 INFO L448 ceAbstractionStarter]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,384 INFO L448 ceAbstractionStarter]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,384 INFO L448 ceAbstractionStarter]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,384 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse37 (= 13 |old(~a25~0)|)) (.cse18 (< 138 |old(~a23~0)|))) (let ((.cse32 (= 12 |old(~a25~0)|)) (.cse25 (= ~a25~0 |old(~a25~0)|)) (.cse31 (+ |old(~a23~0)| 599772)) (.cse28 (not (= 9 |old(~a25~0)|))) (.cse14 (< 140 |old(~a29~0)|)) (.cse12 (= ~a4~0 |old(~a4~0)|)) (.cse34 (< (div (div ~a23~0 5) 5) 127751)) (.cse11 (= 10 ~a25~0)) (.cse9 (= ~a29~0 |old(~a29~0)|)) (.cse10 (= ~a23~0 |old(~a23~0)|)) (.cse33 (= 10 |old(~a25~0)|)) (.cse21 (or .cse37 .cse18)) (.cse15 (< 0 |old(~a4~0)|)) (.cse0 (not (= 15 ~a8~0))) (.cse1 (not (= 1 ~a3~0))) (.cse2 (<= 127751 (div (div |old(~a23~0)| 5) 5))) (.cse27 (<= |old(~a23~0)| 306))) (let ((.cse8 (or .cse0 .cse1 .cse2 (or .cse27 .cse37))) (.cse17 (<= (+ |old(~a23~0)| 43) 0)) (.cse30 (not (= 11 |old(~a25~0)|))) (.cse26 (and (or .cse2 .cse37 .cse15 .cse33) (or .cse21 .cse15))) (.cse24 (let ((.cse35 (<= ~a4~0 0)) (.cse36 (not (= ~a25~0 13)))) (or (and .cse35 .cse9 .cse10 .cse36 .cse34 (not .cse11)) (and .cse35 .cse9 .cse10 .cse36 (<= ~a23~0 138))))) (.cse29 (< |old(~a29~0)| 260)) (.cse19 (and (and .cse9 .cse10 (= 9 ~a25~0) .cse34 (<= ~a29~0 140)) .cse12)) (.cse20 (or .cse2 .cse28 .cse14)) (.cse6 (< .cse31 0)) (.cse13 (not .cse33)) (.cse23 (<= |old(~a29~0)| 140)) (.cse4 (and .cse9 .cse10 .cse12 .cse25)) (.cse5 (not .cse32)) (.cse16 (< |old(~a25~0)| 12)) (.cse22 (< 245 |old(~a29~0)|)) (.cse3 (not (= 1 |old(~a4~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse4 (or (forall ((v_~a29~0_635 Int)) (let ((.cse7 (+ v_~a29~0_635 69157))) (or (< .cse7 0) (< v_~a29~0_635 130) (< |old(~a29~0)| (+ (mod .cse7 299861) 300138))))) .cse3 .cse8)) (or (and (and .cse9 .cse10 .cse11) .cse12) (or (or .cse13 (or .cse14 .cse15)) .cse0 .cse1)) (or .cse13 .cse3 .cse4 .cse8) (or .cse16 .cse0 .cse1 .cse17 .cse15 .cse18 .cse4) (or .cse0 .cse1 .cse19 .cse3 .cse20 .cse6) (or (or .cse0 .cse1 .cse21 .cse3) .cse4 .cse17) (or .cse13 .cse4 .cse0 .cse1 .cse22 .cse2 .cse23 .cse3) (or .cse0 .cse1 (and .cse12 .cse24 .cse25) .cse26 .cse5) (or .cse16 .cse0 .cse1 .cse27 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse19 .cse15 .cse20) (or .cse0 .cse1 .cse28 .cse29 .cse15 .cse18 .cse4) (or .cse0 .cse1 .cse30 .cse2 .cse3 .cse6 .cse4) (or .cse30 (or .cse0 .cse1 .cse21 (forall ((v_prenex_344 Int)) (or (< v_prenex_344 |old(~a29~0)|) (< (+ (mod v_prenex_344 15) 260) |old(~a29~0)|) (< v_prenex_344 0))) (< |old(~a29~0)| 130) .cse3) (and (and .cse9 .cse10) .cse12 .cse25)) (or (or .cse30 (or .cse0 .cse1 (or .cse2 .cse14 .cse15))) .cse4) (or .cse0 .cse1 .cse21 .cse14 .cse3 .cse4 .cse6) (or .cse0 .cse1 .cse30 .cse26 .cse29 (and .cse24 .cse12 .cse25)) (or .cse4 .cse6 .cse16 .cse0 .cse1 .cse2 .cse29 .cse3) (or .cse0 .cse1 .cse19 (or (< 0 .cse31) .cse20 .cse6)) (or .cse13 .cse0 .cse1 .cse21 .cse3 .cse4) (or (or .cse0 .cse1 .cse2 .cse28) .cse23 .cse3 .cse4) (or .cse4 .cse5 .cse0 .cse1 (not (= 0 |old(~a4~0)|))) (or (or (or .cse16 .cse0 .cse1 .cse22 .cse2 .cse32) .cse3) (and (and .cse10 .cse9) .cse12 .cse25)))))) [2018-12-09 09:15:59,384 INFO L448 ceAbstractionStarter]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,384 INFO L448 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2018-12-09 09:15:59,384 INFO L448 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2018-12-09 09:15:59,384 INFO L448 ceAbstractionStarter]: For program point L60(line 60) no Hoare annotation was computed. [2018-12-09 09:15:59,385 INFO L448 ceAbstractionStarter]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,385 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,385 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,385 INFO L448 ceAbstractionStarter]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,385 INFO L448 ceAbstractionStarter]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,385 INFO L448 ceAbstractionStarter]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,385 INFO L448 ceAbstractionStarter]: For program point L195(line 195) no Hoare annotation was computed. [2018-12-09 09:15:59,385 INFO L448 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2018-12-09 09:15:59,385 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-12-09 09:15:59,385 INFO L448 ceAbstractionStarter]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,385 INFO L448 ceAbstractionStarter]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,385 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,385 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,385 INFO L448 ceAbstractionStarter]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,385 INFO L448 ceAbstractionStarter]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,385 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,385 INFO L448 ceAbstractionStarter]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,385 INFO L448 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2018-12-09 09:15:59,385 INFO L448 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2018-12-09 09:15:59,385 INFO L448 ceAbstractionStarter]: For program point L66(line 66) no Hoare annotation was computed. [2018-12-09 09:15:59,385 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,385 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,385 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,385 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,385 INFO L448 ceAbstractionStarter]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,385 INFO L448 ceAbstractionStarter]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,385 INFO L448 ceAbstractionStarter]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,386 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,386 INFO L448 ceAbstractionStarter]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,386 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 138) no Hoare annotation was computed. [2018-12-09 09:15:59,386 INFO L448 ceAbstractionStarter]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,386 INFO L448 ceAbstractionStarter]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,386 INFO L448 ceAbstractionStarter]: For program point L399(lines 399 410) no Hoare annotation was computed. [2018-12-09 09:15:59,386 INFO L448 ceAbstractionStarter]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2018-12-09 09:15:59,386 INFO L448 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2018-12-09 09:15:59,386 INFO L448 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2018-12-09 09:15:59,386 INFO L448 ceAbstractionStarter]: For program point L69(line 69) no Hoare annotation was computed. [2018-12-09 09:15:59,386 INFO L448 ceAbstractionStarter]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,386 INFO L448 ceAbstractionStarter]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,386 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,386 INFO L448 ceAbstractionStarter]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,386 INFO L448 ceAbstractionStarter]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,386 INFO L448 ceAbstractionStarter]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,386 INFO L448 ceAbstractionStarter]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,386 INFO L448 ceAbstractionStarter]: For program point L204(line 204) no Hoare annotation was computed. [2018-12-09 09:15:59,386 INFO L448 ceAbstractionStarter]: For program point L138(line 138) no Hoare annotation was computed. [2018-12-09 09:15:59,386 INFO L448 ceAbstractionStarter]: For program point L72(line 72) no Hoare annotation was computed. [2018-12-09 09:15:59,386 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,386 INFO L448 ceAbstractionStarter]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,386 INFO L448 ceAbstractionStarter]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,386 INFO L448 ceAbstractionStarter]: For program point L866(lines 866 875) no Hoare annotation was computed. [2018-12-09 09:15:59,386 INFO L448 ceAbstractionStarter]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2018-12-09 09:15:59,387 INFO L448 ceAbstractionStarter]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,387 INFO L448 ceAbstractionStarter]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,387 INFO L448 ceAbstractionStarter]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,387 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,387 INFO L448 ceAbstractionStarter]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,387 INFO L448 ceAbstractionStarter]: For program point L141(line 141) no Hoare annotation was computed. [2018-12-09 09:15:59,387 INFO L448 ceAbstractionStarter]: For program point L75(line 75) no Hoare annotation was computed. [2018-12-09 09:15:59,387 INFO L448 ceAbstractionStarter]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,387 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,387 INFO L448 ceAbstractionStarter]: For program point L604(lines 604 614) no Hoare annotation was computed. [2018-12-09 09:15:59,387 INFO L448 ceAbstractionStarter]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2018-12-09 09:15:59,387 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,387 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,387 INFO L448 ceAbstractionStarter]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,387 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,387 INFO L448 ceAbstractionStarter]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,387 INFO L448 ceAbstractionStarter]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,387 INFO L448 ceAbstractionStarter]: For program point L144(line 144) no Hoare annotation was computed. [2018-12-09 09:15:59,387 INFO L448 ceAbstractionStarter]: For program point L78(line 78) no Hoare annotation was computed. [2018-12-09 09:15:59,387 INFO L448 ceAbstractionStarter]: For program point L805(lines 805 815) no Hoare annotation was computed. [2018-12-09 09:15:59,387 INFO L448 ceAbstractionStarter]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2018-12-09 09:15:59,387 INFO L448 ceAbstractionStarter]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,387 INFO L448 ceAbstractionStarter]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,387 INFO L448 ceAbstractionStarter]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,387 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,387 INFO L448 ceAbstractionStarter]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,387 INFO L448 ceAbstractionStarter]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,388 INFO L448 ceAbstractionStarter]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,388 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,388 INFO L448 ceAbstractionStarter]: For program point L147(line 147) no Hoare annotation was computed. [2018-12-09 09:15:59,388 INFO L448 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2018-12-09 09:15:59,388 INFO L448 ceAbstractionStarter]: For program point L940(lines 940 952) no Hoare annotation was computed. [2018-12-09 09:15:59,388 INFO L448 ceAbstractionStarter]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2018-12-09 09:15:59,388 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 486) no Hoare annotation was computed. [2018-12-09 09:15:59,388 INFO L448 ceAbstractionStarter]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2018-12-09 09:15:59,388 INFO L448 ceAbstractionStarter]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,388 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,388 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,388 INFO L448 ceAbstractionStarter]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,388 INFO L448 ceAbstractionStarter]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,388 INFO L448 ceAbstractionStarter]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,388 INFO L448 ceAbstractionStarter]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,388 INFO L448 ceAbstractionStarter]: For program point L150(line 150) no Hoare annotation was computed. [2018-12-09 09:15:59,389 INFO L448 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2018-12-09 09:15:59,389 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,389 INFO L448 ceAbstractionStarter]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,389 INFO L448 ceAbstractionStarter]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,389 INFO L448 ceAbstractionStarter]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,389 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,389 INFO L448 ceAbstractionStarter]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,389 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,389 INFO L448 ceAbstractionStarter]: For program point L153(line 153) no Hoare annotation was computed. [2018-12-09 09:15:59,389 INFO L448 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2018-12-09 09:15:59,389 INFO L448 ceAbstractionStarter]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,389 INFO L448 ceAbstractionStarter]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,389 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,389 INFO L448 ceAbstractionStarter]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,389 INFO L448 ceAbstractionStarter]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,390 INFO L448 ceAbstractionStarter]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,390 INFO L448 ceAbstractionStarter]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,390 INFO L448 ceAbstractionStarter]: For program point L23(lines 23 25) no Hoare annotation was computed. [2018-12-09 09:15:59,390 INFO L448 ceAbstractionStarter]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,390 INFO L448 ceAbstractionStarter]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,390 INFO L448 ceAbstractionStarter]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,390 INFO L448 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2018-12-09 09:15:59,390 INFO L448 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2018-12-09 09:15:59,390 INFO L448 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-12-09 09:15:59,390 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,390 INFO L448 ceAbstractionStarter]: For program point L488(lines 488 499) no Hoare annotation was computed. [2018-12-09 09:15:59,390 INFO L448 ceAbstractionStarter]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,390 INFO L448 ceAbstractionStarter]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2018-12-09 09:15:59,390 INFO L448 ceAbstractionStarter]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,390 INFO L448 ceAbstractionStarter]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,390 INFO L448 ceAbstractionStarter]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,390 INFO L448 ceAbstractionStarter]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,391 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,391 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,391 INFO L448 ceAbstractionStarter]: For program point L159(line 159) no Hoare annotation was computed. [2018-12-09 09:15:59,391 INFO L448 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2018-12-09 09:15:59,391 INFO L448 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2018-12-09 09:15:59,391 INFO L448 ceAbstractionStarter]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,391 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,391 INFO L448 ceAbstractionStarter]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,391 INFO L448 ceAbstractionStarter]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,391 INFO L448 ceAbstractionStarter]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,391 INFO L448 ceAbstractionStarter]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,391 INFO L448 ceAbstractionStarter]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,391 INFO L448 ceAbstractionStarter]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,391 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,391 INFO L448 ceAbstractionStarter]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,391 INFO L448 ceAbstractionStarter]: For program point L162(line 162) no Hoare annotation was computed. [2018-12-09 09:15:59,391 INFO L448 ceAbstractionStarter]: For program point L96(line 96) no Hoare annotation was computed. [2018-12-09 09:15:59,391 INFO L448 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2018-12-09 09:15:59,392 INFO L448 ceAbstractionStarter]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,392 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 768) no Hoare annotation was computed. [2018-12-09 09:15:59,392 INFO L448 ceAbstractionStarter]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2018-12-09 09:15:59,392 INFO L448 ceAbstractionStarter]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,392 INFO L448 ceAbstractionStarter]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,392 INFO L448 ceAbstractionStarter]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,392 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,392 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,392 INFO L448 ceAbstractionStarter]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,392 INFO L448 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2018-12-09 09:15:59,392 INFO L448 ceAbstractionStarter]: For program point L99(line 99) no Hoare annotation was computed. [2018-12-09 09:15:59,392 INFO L448 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2018-12-09 09:15:59,392 INFO L448 ceAbstractionStarter]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,392 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,392 INFO L448 ceAbstractionStarter]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,392 INFO L448 ceAbstractionStarter]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,393 INFO L448 ceAbstractionStarter]: For program point L695(lines 695 705) no Hoare annotation was computed. [2018-12-09 09:15:59,393 INFO L448 ceAbstractionStarter]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2018-12-09 09:15:59,393 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,393 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,393 INFO L448 ceAbstractionStarter]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2018-12-09 09:15:59,393 INFO L448 ceAbstractionStarter]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,393 INFO L448 ceAbstractionStarter]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,393 INFO L448 ceAbstractionStarter]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2018-12-09 09:15:59,393 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 09:15:59,393 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a23~0 312) (= ~a8~0 15) (= 10 ~a25~0) (<= ~a29~0 130) (= 1 ~a4~0) (<= 130 ~a29~0) (= ~a3~0 1) (<= 312 ~a23~0)) [2018-12-09 09:15:59,393 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 09:15:59,393 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 09:15:59,393 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (not (= 10 |old(~a25~0)|)) (< |old(~a29~0)| 130) (and (= ~a23~0 |old(~a23~0)|) (<= 130 ~a29~0) (<= ~a29~0 130) (= ~a4~0 |old(~a4~0)|) (= ~a25~0 |old(~a25~0)|)) (< 312 |old(~a23~0)|) (not (= 15 ~a8~0)) (not (= 1 ~a3~0)) (< |old(~a23~0)| 312) (not (= 1 |old(~a4~0)|)) (< 130 |old(~a29~0)|)) [2018-12-09 09:15:59,394 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2018-12-09 09:15:59,394 INFO L444 ceAbstractionStarter]: At program point L1042(line 1042) the Hoare annotation is: (let ((.cse4 (= 10 ~a25~0)) (.cse26 (not (= ~a25~0 13))) (.cse10 (<= ~a23~0 138))) (let ((.cse20 (< 306 ~a23~0)) (.cse18 (= ~a25~0 12)) (.cse9 (= 9 ~a25~0)) (.cse14 (<= ~a29~0 140)) (.cse25 (and .cse26 .cse10)) (.cse2 (= 1 ~a4~0)) (.cse13 (<= 0 (+ ~a23~0 599772))) (.cse8 (<= ~a4~0 0)) (.cse0 (< (div (div ~a23~0 5) 5) 127751)) (.cse27 (not .cse4))) (let ((.cse5 (= 11 ~a25~0)) (.cse6 (or (and .cse8 .cse26 .cse10) (and .cse8 .cse26 .cse0 .cse27))) (.cse19 (and .cse13 .cse26 .cse0 .cse27)) (.cse22 (= ~a25~0 11)) (.cse7 (<= 260 ~a29~0)) (.cse21 (and .cse25 .cse2 (<= |old(~a25~0)| 11))) (.cse11 (and .cse9 .cse0 .cse14)) (.cse15 (<= 12 ~a25~0)) (.cse16 (not .cse18)) (.cse1 (<= ~a29~0 245)) (.cse3 (< 140 ~a29~0)) (.cse17 (< 0 (+ ~a23~0 43))) (.cse23 (and .cse20 .cse26))) (or (and (and .cse0 .cse1 .cse2) .cse3 .cse4) (and .cse5 .cse6 .cse7) (and (and .cse8 .cse9 .cse10) .cse7) (let ((.cse12 (+ ~a23~0 600084))) (and .cse11 (<= .cse12 |old(~a23~0)|) (<= |old(~a23~0)| .cse12))) (and .cse13 .cse10 .cse2 .cse14) (< |old(~a29~0)| 130) (and .cse15 (and .cse10 .cse1) .cse16 .cse2) (< |old(~a23~0)| 312) (and .cse15 .cse8 .cse10 .cse17) (not (= 10 |old(~a25~0)|)) (and .cse11 .cse8) (and .cse5 (and .cse8 .cse0 .cse14)) (and .cse18 .cse6) (< 130 |old(~a29~0)|) (and .cse3 (and (and .cse9 .cse0) .cse2)) (and .cse18 .cse19 (= |old(~a4~0)| ~a4~0)) (and .cse15 .cse20 .cse0 .cse2) (not (= 1 |old(~a4~0)|)) (and (and (and .cse21 (exists ((v_prenex_344 Int)) (and (<= ~a29~0 (+ (mod v_prenex_344 15) 260)) (<= |old(~a29~0)| v_prenex_344) (<= 0 v_prenex_344)))) (<= 130 ~a29~0)) .cse22) (and (and .cse19 .cse2) .cse22) (and (and .cse15 .cse13 .cse0 .cse2) .cse7) (and .cse18 (= 0 ~a4~0)) (and .cse23 (exists ((v_~a29~0_635 Int)) (let ((.cse24 (+ v_~a29~0_635 69157))) (and (<= 130 v_~a29~0_635) (<= 0 .cse24) (<= (+ (mod .cse24 299861) 300138) ~a29~0)))) .cse0 .cse2) (and .cse21 .cse4) (and (and .cse8 .cse14) .cse4) (< 312 |old(~a23~0)|) (not (= 1 ~a3~0)) (and (and .cse11 .cse13) .cse2) (and (and .cse0 (= 13 ~a25~0) .cse14) .cse2) (and (and .cse15 .cse0 .cse16 .cse1 .cse2) .cse3) (and (and .cse2 .cse25) .cse17) (not (= 15 ~a8~0)) (and .cse23 .cse0 .cse4 (= ~a4~0 |old(~a4~0)|)))))) [2018-12-09 09:15:59,394 INFO L448 ceAbstractionStarter]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2018-12-09 09:15:59,394 INFO L448 ceAbstractionStarter]: For program point L1039(line 1039) no Hoare annotation was computed. [2018-12-09 09:15:59,395 INFO L444 ceAbstractionStarter]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (let ((.cse4 (= 10 ~a25~0)) (.cse26 (not (= ~a25~0 13))) (.cse10 (<= ~a23~0 138))) (let ((.cse20 (< 306 ~a23~0)) (.cse18 (= ~a25~0 12)) (.cse9 (= 9 ~a25~0)) (.cse14 (<= ~a29~0 140)) (.cse25 (and .cse26 .cse10)) (.cse2 (= 1 ~a4~0)) (.cse13 (<= 0 (+ ~a23~0 599772))) (.cse8 (<= ~a4~0 0)) (.cse0 (< (div (div ~a23~0 5) 5) 127751)) (.cse27 (not .cse4))) (let ((.cse5 (= 11 ~a25~0)) (.cse6 (or (and .cse8 .cse26 .cse10) (and .cse8 .cse26 .cse0 .cse27))) (.cse19 (and .cse13 .cse26 .cse0 .cse27)) (.cse22 (= ~a25~0 11)) (.cse7 (<= 260 ~a29~0)) (.cse21 (and .cse25 .cse2 (<= |old(~a25~0)| 11))) (.cse11 (and .cse9 .cse0 .cse14)) (.cse15 (<= 12 ~a25~0)) (.cse16 (not .cse18)) (.cse1 (<= ~a29~0 245)) (.cse3 (< 140 ~a29~0)) (.cse17 (< 0 (+ ~a23~0 43))) (.cse23 (and .cse20 .cse26))) (or (and (and .cse0 .cse1 .cse2) .cse3 .cse4) (and .cse5 .cse6 .cse7) (and (and .cse8 .cse9 .cse10) .cse7) (let ((.cse12 (+ ~a23~0 600084))) (and .cse11 (<= .cse12 |old(~a23~0)|) (<= |old(~a23~0)| .cse12))) (and .cse13 .cse10 .cse2 .cse14) (< |old(~a29~0)| 130) (and .cse15 (and .cse10 .cse1) .cse16 .cse2) (< |old(~a23~0)| 312) (and .cse15 .cse8 .cse10 .cse17) (not (= 10 |old(~a25~0)|)) (and .cse11 .cse8) (and .cse5 (and .cse8 .cse0 .cse14)) (and .cse18 .cse6) (< 130 |old(~a29~0)|) (and .cse3 (and (and .cse9 .cse0) .cse2)) (and .cse18 .cse19 (= |old(~a4~0)| ~a4~0)) (and .cse15 .cse20 .cse0 .cse2) (not (= 1 |old(~a4~0)|)) (and (and (and .cse21 (exists ((v_prenex_344 Int)) (and (<= ~a29~0 (+ (mod v_prenex_344 15) 260)) (<= |old(~a29~0)| v_prenex_344) (<= 0 v_prenex_344)))) (<= 130 ~a29~0)) .cse22) (and (and .cse19 .cse2) .cse22) (and (and .cse15 .cse13 .cse0 .cse2) .cse7) (and .cse18 (= 0 ~a4~0)) (and .cse23 (exists ((v_~a29~0_635 Int)) (let ((.cse24 (+ v_~a29~0_635 69157))) (and (<= 130 v_~a29~0_635) (<= 0 .cse24) (<= (+ (mod .cse24 299861) 300138) ~a29~0)))) .cse0 .cse2) (and .cse21 .cse4) (and (and .cse8 .cse14) .cse4) (< 312 |old(~a23~0)|) (not (= 1 ~a3~0)) (and (and .cse11 .cse13) .cse2) (and (and .cse0 (= 13 ~a25~0) .cse14) .cse2) (and (and .cse15 .cse0 .cse16 .cse1 .cse2) .cse3) (and (and .cse2 .cse25) .cse17) (not (= 15 ~a8~0)) (and .cse23 .cse0 .cse4 (= ~a4~0 |old(~a4~0)|)))))) [2018-12-09 09:15:59,395 INFO L448 ceAbstractionStarter]: For program point L1034-3(lines 1028 1044) no Hoare annotation was computed. [2018-12-09 09:15:59,399 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_344,QUANTIFIED] [2018-12-09 09:15:59,400 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_344,QUANTIFIED] [2018-12-09 09:15:59,401 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_344,QUANTIFIED] [2018-12-09 09:15:59,401 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_635,QUANTIFIED] [2018-12-09 09:15:59,401 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_635,QUANTIFIED] [2018-12-09 09:15:59,401 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_635,QUANTIFIED] [2018-12-09 09:15:59,410 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_344,QUANTIFIED] [2018-12-09 09:15:59,411 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_344,QUANTIFIED] [2018-12-09 09:15:59,411 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_344,QUANTIFIED] [2018-12-09 09:15:59,411 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_635,QUANTIFIED] [2018-12-09 09:15:59,411 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_635,QUANTIFIED] [2018-12-09 09:15:59,411 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_635,QUANTIFIED] [2018-12-09 09:15:59,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 09:15:59 BoogieIcfgContainer [2018-12-09 09:15:59,415 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 09:15:59,415 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 09:15:59,415 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 09:15:59,415 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 09:15:59,416 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:04:42" (3/4) ... [2018-12-09 09:15:59,419 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 09:15:59,424 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 09:15:59,424 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 09:15:59,424 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 09:15:59,436 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 09:15:59,437 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 09:15:59,456 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((((((((((a23 / 5 / 5 < 127751 && a29 <= 245) && 1 == a4) && 140 < a29) && 10 == a25) || ((11 == a25 && (((a4 <= 0 && !(a25 == 13)) && a23 <= 138) || (((a4 <= 0 && !(a25 == 13)) && a23 / 5 / 5 < 127751) && !(10 == a25)))) && 260 <= a29)) || (((a4 <= 0 && 9 == a25) && a23 <= 138) && 260 <= a29)) || ((((9 == a25 && a23 / 5 / 5 < 127751) && a29 <= 140) && a23 + 600084 <= \old(a23)) && \old(a23) <= a23 + 600084)) || (((0 <= a23 + 599772 && a23 <= 138) && 1 == a4) && a29 <= 140)) || \old(a29) < 130) || (((12 <= a25 && a23 <= 138 && a29 <= 245) && !(a25 == 12)) && 1 == a4)) || \old(a23) < 312) || (((12 <= a25 && a4 <= 0) && a23 <= 138) && 0 < a23 + 43)) || !(10 == \old(a25))) || (((9 == a25 && a23 / 5 / 5 < 127751) && a29 <= 140) && a4 <= 0)) || (11 == a25 && (a4 <= 0 && a23 / 5 / 5 < 127751) && a29 <= 140)) || (a25 == 12 && (((a4 <= 0 && !(a25 == 13)) && a23 <= 138) || (((a4 <= 0 && !(a25 == 13)) && a23 / 5 / 5 < 127751) && !(10 == a25))))) || 130 < \old(a29)) || (140 < a29 && (9 == a25 && a23 / 5 / 5 < 127751) && 1 == a4)) || ((a25 == 12 && ((0 <= a23 + 599772 && !(a25 == 13)) && a23 / 5 / 5 < 127751) && !(10 == a25)) && \old(a4) == a4)) || (((12 <= a25 && 306 < a23) && a23 / 5 / 5 < 127751) && 1 == a4)) || !(1 == \old(a4))) || ((((((!(a25 == 13) && a23 <= 138) && 1 == a4) && \old(a25) <= 11) && (\exists v_prenex_344 : int :: (a29 <= v_prenex_344 % 15 + 260 && \old(a29) <= v_prenex_344) && 0 <= v_prenex_344)) && 130 <= a29) && a25 == 11)) || (((((0 <= a23 + 599772 && !(a25 == 13)) && a23 / 5 / 5 < 127751) && !(10 == a25)) && 1 == a4) && a25 == 11)) || ((((12 <= a25 && 0 <= a23 + 599772) && a23 / 5 / 5 < 127751) && 1 == a4) && 260 <= a29)) || (a25 == 12 && 0 == a4)) || ((((306 < a23 && !(a25 == 13)) && (\exists v_~a29~0_635 : int :: (130 <= v_~a29~0_635 && 0 <= v_~a29~0_635 + 69157) && (v_~a29~0_635 + 69157) % 299861 + 300138 <= a29)) && a23 / 5 / 5 < 127751) && 1 == a4)) || ((((!(a25 == 13) && a23 <= 138) && 1 == a4) && \old(a25) <= 11) && 10 == a25)) || ((a4 <= 0 && a29 <= 140) && 10 == a25)) || 312 < \old(a23)) || !(1 == a3)) || ((((9 == a25 && a23 / 5 / 5 < 127751) && a29 <= 140) && 0 <= a23 + 599772) && 1 == a4)) || (((a23 / 5 / 5 < 127751 && 13 == a25) && a29 <= 140) && 1 == a4)) || (((((12 <= a25 && a23 / 5 / 5 < 127751) && !(a25 == 12)) && a29 <= 245) && 1 == a4) && 140 < a29)) || ((1 == a4 && !(a25 == 13) && a23 <= 138) && 0 < a23 + 43)) || !(15 == a8)) || ((((306 < a23 && !(a25 == 13)) && a23 / 5 / 5 < 127751) && 10 == a25) && a4 == \old(a4)) [2018-12-09 09:15:59,530 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3c5e070d-1194-4af8-aa2a-8f66be16db55/bin-2019/utaipan/witness.graphml [2018-12-09 09:15:59,530 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 09:15:59,531 INFO L168 Benchmark]: Toolchain (without parser) took 678267.52 ms. Allocated memory was 1.0 GB in the beginning and 4.5 GB in the end (delta: 3.4 GB). Free memory was 947.0 MB in the beginning and 2.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 2.2 GB. Max. memory is 11.5 GB. [2018-12-09 09:15:59,531 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:15:59,531 INFO L168 Benchmark]: CACSL2BoogieTranslator took 420.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -174.0 MB). Peak memory consumption was 53.4 MB. Max. memory is 11.5 GB. [2018-12-09 09:15:59,532 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-09 09:15:59,532 INFO L168 Benchmark]: Boogie Preprocessor took 61.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-09 09:15:59,532 INFO L168 Benchmark]: RCFGBuilder took 925.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 939.4 MB in the end (delta: 168.0 MB). Peak memory consumption was 168.0 MB. Max. memory is 11.5 GB. [2018-12-09 09:15:59,532 INFO L168 Benchmark]: TraceAbstraction took 676717.90 ms. Allocated memory was 1.2 GB in the beginning and 4.5 GB in the end (delta: 3.3 GB). Free memory was 939.4 MB in the beginning and 2.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 3.9 GB. Max. memory is 11.5 GB. [2018-12-09 09:15:59,533 INFO L168 Benchmark]: Witness Printer took 114.93 ms. Allocated memory is still 4.5 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:15:59,534 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 420.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -174.0 MB). Peak memory consumption was 53.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 61.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 925.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 939.4 MB in the end (delta: 168.0 MB). Peak memory consumption was 168.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 676717.90 ms. Allocated memory was 1.2 GB in the beginning and 4.5 GB in the end (delta: 3.3 GB). Free memory was 939.4 MB in the beginning and 2.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 3.9 GB. Max. memory is 11.5 GB. * Witness Printer took 114.93 ms. Allocated memory is still 4.5 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_344,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_344,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_344,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_635,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_635,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_635,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_344,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_344,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_344,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_635,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_635,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_635,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 138]: 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: 1034]: Loop Invariant [2018-12-09 09:15:59,537 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_344,QUANTIFIED] [2018-12-09 09:15:59,537 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_344,QUANTIFIED] [2018-12-09 09:15:59,537 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_344,QUANTIFIED] [2018-12-09 09:15:59,537 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_635,QUANTIFIED] [2018-12-09 09:15:59,537 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_635,QUANTIFIED] [2018-12-09 09:15:59,538 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_635,QUANTIFIED] [2018-12-09 09:15:59,539 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_344,QUANTIFIED] [2018-12-09 09:15:59,539 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_344,QUANTIFIED] [2018-12-09 09:15:59,540 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_344,QUANTIFIED] [2018-12-09 09:15:59,540 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_635,QUANTIFIED] [2018-12-09 09:15:59,540 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_635,QUANTIFIED] [2018-12-09 09:15:59,540 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a29~0_635,QUANTIFIED] Derived loop invariant: (((((((((((((((((((((((((((((((((((a23 / 5 / 5 < 127751 && a29 <= 245) && 1 == a4) && 140 < a29) && 10 == a25) || ((11 == a25 && (((a4 <= 0 && !(a25 == 13)) && a23 <= 138) || (((a4 <= 0 && !(a25 == 13)) && a23 / 5 / 5 < 127751) && !(10 == a25)))) && 260 <= a29)) || (((a4 <= 0 && 9 == a25) && a23 <= 138) && 260 <= a29)) || ((((9 == a25 && a23 / 5 / 5 < 127751) && a29 <= 140) && a23 + 600084 <= \old(a23)) && \old(a23) <= a23 + 600084)) || (((0 <= a23 + 599772 && a23 <= 138) && 1 == a4) && a29 <= 140)) || \old(a29) < 130) || (((12 <= a25 && a23 <= 138 && a29 <= 245) && !(a25 == 12)) && 1 == a4)) || \old(a23) < 312) || (((12 <= a25 && a4 <= 0) && a23 <= 138) && 0 < a23 + 43)) || !(10 == \old(a25))) || (((9 == a25 && a23 / 5 / 5 < 127751) && a29 <= 140) && a4 <= 0)) || (11 == a25 && (a4 <= 0 && a23 / 5 / 5 < 127751) && a29 <= 140)) || (a25 == 12 && (((a4 <= 0 && !(a25 == 13)) && a23 <= 138) || (((a4 <= 0 && !(a25 == 13)) && a23 / 5 / 5 < 127751) && !(10 == a25))))) || 130 < \old(a29)) || (140 < a29 && (9 == a25 && a23 / 5 / 5 < 127751) && 1 == a4)) || ((a25 == 12 && ((0 <= a23 + 599772 && !(a25 == 13)) && a23 / 5 / 5 < 127751) && !(10 == a25)) && \old(a4) == a4)) || (((12 <= a25 && 306 < a23) && a23 / 5 / 5 < 127751) && 1 == a4)) || !(1 == \old(a4))) || ((((((!(a25 == 13) && a23 <= 138) && 1 == a4) && \old(a25) <= 11) && (\exists v_prenex_344 : int :: (a29 <= v_prenex_344 % 15 + 260 && \old(a29) <= v_prenex_344) && 0 <= v_prenex_344)) && 130 <= a29) && a25 == 11)) || (((((0 <= a23 + 599772 && !(a25 == 13)) && a23 / 5 / 5 < 127751) && !(10 == a25)) && 1 == a4) && a25 == 11)) || ((((12 <= a25 && 0 <= a23 + 599772) && a23 / 5 / 5 < 127751) && 1 == a4) && 260 <= a29)) || (a25 == 12 && 0 == a4)) || ((((306 < a23 && !(a25 == 13)) && (\exists v_~a29~0_635 : int :: (130 <= v_~a29~0_635 && 0 <= v_~a29~0_635 + 69157) && (v_~a29~0_635 + 69157) % 299861 + 300138 <= a29)) && a23 / 5 / 5 < 127751) && 1 == a4)) || ((((!(a25 == 13) && a23 <= 138) && 1 == a4) && \old(a25) <= 11) && 10 == a25)) || ((a4 <= 0 && a29 <= 140) && 10 == a25)) || 312 < \old(a23)) || !(1 == a3)) || ((((9 == a25 && a23 / 5 / 5 < 127751) && a29 <= 140) && 0 <= a23 + 599772) && 1 == a4)) || (((a23 / 5 / 5 < 127751 && 13 == a25) && a29 <= 140) && 1 == a4)) || (((((12 <= a25 && a23 / 5 / 5 < 127751) && !(a25 == 12)) && a29 <= 245) && 1 == a4) && 140 < a29)) || ((1 == a4 && !(a25 == 13) && a23 <= 138) && 0 < a23 + 43)) || !(15 == a8)) || ((((306 < a23 && !(a25 == 13)) && a23 / 5 / 5 < 127751) && 10 == a25) && a4 == \old(a4)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. SAFE Result, 676.6s OverallTime, 19 OverallIterations, 7 TraceHistogramMax, 506.0s AutomataDifference, 0.0s DeadEndRemovalTime, 109.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2490 SDtfs, 26532 SDslu, 3700 SDs, 0 SdLazy, 53140 SolverSat, 11155 SolverUnsat, 242 SolverUnknown, 0 SolverNotchecked, 455.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14765 GetRequests, 13853 SyntacticMatches, 373 SemanticMatches, 539 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15768 ImplicationChecksByTransitivity, 59.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66946occurred in iteration=16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 17.6s AbstIntTime, 15 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 6.1s AutomataMinimizationTime, 19 MinimizatonAttempts, 29039 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 2441 PreInvPairs, 2929 NumberOfFragments, 2440 HoareAnnotationTreeSize, 2441 FomulaSimplifications, 16914780 FormulaSimplificationTreeSizeReduction, 12.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2434105 FormulaSimplificationTreeSizeReductionInter, 96.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 33.0s InterpolantComputationTime, 14527 NumberOfCodeBlocks, 14527 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 21522 ConstructedInterpolants, 704 QuantifiedInterpolants, 52436564 SizeOfPredicates, 25 NumberOfNonLiveVariables, 11053 ConjunctsInSsa, 121 ConjunctsInUnsatCore, 49 InterpolantComputations, 11 PerfectInterpolantSequences, 26377/28683 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...