./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label59_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_7b77ca98-890d-4e73-a487-fa31a00a0775/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7b77ca98-890d-4e73-a487-fa31a00a0775/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7b77ca98-890d-4e73-a487-fa31a00a0775/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7b77ca98-890d-4e73-a487-fa31a00a0775/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label59_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7b77ca98-890d-4e73-a487-fa31a00a0775/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7b77ca98-890d-4e73-a487-fa31a00a0775/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 30c34688967b08e009ee7c945b5c905ca7f15dd9 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 06:12:47,264 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 06:12:47,265 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 06:12:47,271 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 06:12:47,271 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 06:12:47,272 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 06:12:47,272 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 06:12:47,273 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 06:12:47,274 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 06:12:47,275 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 06:12:47,275 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 06:12:47,275 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 06:12:47,276 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 06:12:47,276 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 06:12:47,277 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 06:12:47,277 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 06:12:47,278 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 06:12:47,279 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 06:12:47,280 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 06:12:47,281 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 06:12:47,281 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 06:12:47,282 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 06:12:47,283 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 06:12:47,283 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 06:12:47,283 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 06:12:47,284 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 06:12:47,284 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 06:12:47,285 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 06:12:47,285 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 06:12:47,286 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 06:12:47,286 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 06:12:47,286 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 06:12:47,286 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 06:12:47,286 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 06:12:47,287 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 06:12:47,287 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 06:12:47,288 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7b77ca98-890d-4e73-a487-fa31a00a0775/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 06:12:47,295 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 06:12:47,295 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 06:12:47,296 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 06:12:47,296 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 06:12:47,296 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 06:12:47,296 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 06:12:47,296 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 06:12:47,296 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 06:12:47,296 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 06:12:47,297 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 06:12:47,297 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 06:12:47,297 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 06:12:47,297 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 06:12:47,297 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 06:12:47,297 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 06:12:47,297 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 06:12:47,297 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 06:12:47,297 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 06:12:47,298 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 06:12:47,298 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 06:12:47,298 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 06:12:47,298 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 06:12:47,298 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 06:12:47,298 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 06:12:47,298 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 06:12:47,298 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 06:12:47,298 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 06:12:47,298 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 06:12:47,298 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 06:12:47,298 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 06:12:47,299 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 06:12:47,299 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 06:12:47,299 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 06:12:47,299 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 06:12:47,299 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 06:12:47,299 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 06:12:47,299 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_7b77ca98-890d-4e73-a487-fa31a00a0775/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 -> 30c34688967b08e009ee7c945b5c905ca7f15dd9 [2018-12-02 06:12:47,317 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 06:12:47,326 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 06:12:47,329 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 06:12:47,330 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 06:12:47,330 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 06:12:47,331 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7b77ca98-890d-4e73-a487-fa31a00a0775/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem15_label59_true-unreach-call.c [2018-12-02 06:12:47,371 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7b77ca98-890d-4e73-a487-fa31a00a0775/bin-2019/utaipan/data/ecdf64d48/1ddcb28832314195b386a607190432e8/FLAG67ee04445 [2018-12-02 06:12:47,821 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 06:12:47,821 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7b77ca98-890d-4e73-a487-fa31a00a0775/sv-benchmarks/c/eca-rers2012/Problem15_label59_true-unreach-call.c [2018-12-02 06:12:47,834 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7b77ca98-890d-4e73-a487-fa31a00a0775/bin-2019/utaipan/data/ecdf64d48/1ddcb28832314195b386a607190432e8/FLAG67ee04445 [2018-12-02 06:12:47,843 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7b77ca98-890d-4e73-a487-fa31a00a0775/bin-2019/utaipan/data/ecdf64d48/1ddcb28832314195b386a607190432e8 [2018-12-02 06:12:47,845 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 06:12:47,846 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 06:12:47,847 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 06:12:47,847 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 06:12:47,849 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 06:12:47,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:12:47" (1/1) ... [2018-12-02 06:12:47,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@484c0a6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:12:47, skipping insertion in model container [2018-12-02 06:12:47,851 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:12:47" (1/1) ... [2018-12-02 06:12:47,855 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 06:12:47,895 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 06:12:48,228 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 06:12:48,230 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 06:12:48,422 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 06:12:48,432 INFO L195 MainTranslator]: Completed translation [2018-12-02 06:12:48,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:12:48 WrapperNode [2018-12-02 06:12:48,433 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 06:12:48,433 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 06:12:48,433 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 06:12:48,433 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 06:12:48,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:12:48" (1/1) ... [2018-12-02 06:12:48,455 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:12:48" (1/1) ... [2018-12-02 06:12:48,459 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 06:12:48,460 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 06:12:48,460 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 06:12:48,460 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 06:12:48,466 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:12:48" (1/1) ... [2018-12-02 06:12:48,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:12:48" (1/1) ... [2018-12-02 06:12:48,471 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:12:48" (1/1) ... [2018-12-02 06:12:48,472 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:12:48" (1/1) ... [2018-12-02 06:12:48,499 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:12:48" (1/1) ... [2018-12-02 06:12:48,507 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:12:48" (1/1) ... [2018-12-02 06:12:48,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:12:48" (1/1) ... [2018-12-02 06:12:48,527 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 06:12:48,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 06:12:48,528 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 06:12:48,528 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 06:12:48,528 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:12:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7b77ca98-890d-4e73-a487-fa31a00a0775/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 [2018-12-02 06:12:48,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 06:12:48,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 06:12:48,567 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-12-02 06:12:48,567 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-12-02 06:12:48,567 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-02 06:12:48,568 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-02 06:12:48,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 06:12:48,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 06:12:48,568 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 06:12:48,568 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 06:12:50,168 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 06:12:50,168 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 06:12:50,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:12:50 BoogieIcfgContainer [2018-12-02 06:12:50,169 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 06:12:50,169 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 06:12:50,169 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 06:12:50,171 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 06:12:50,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:12:47" (1/3) ... [2018-12-02 06:12:50,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27c124ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:12:50, skipping insertion in model container [2018-12-02 06:12:50,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:12:48" (2/3) ... [2018-12-02 06:12:50,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27c124ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:12:50, skipping insertion in model container [2018-12-02 06:12:50,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:12:50" (3/3) ... [2018-12-02 06:12:50,173 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label59_true-unreach-call.c [2018-12-02 06:12:50,179 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 06:12:50,183 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 06:12:50,196 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 06:12:50,223 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 06:12:50,223 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 06:12:50,223 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 06:12:50,223 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 06:12:50,223 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 06:12:50,224 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 06:12:50,224 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 06:12:50,224 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 06:12:50,239 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states. [2018-12-02 06:12:50,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-02 06:12:50,243 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:12:50,243 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:12:50,245 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:12:50,248 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:12:50,248 INFO L82 PathProgramCache]: Analyzing trace with hash -1109513128, now seen corresponding path program 1 times [2018-12-02 06:12:50,249 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:12:50,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:12:50,277 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:12:50,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:12:50,277 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:12:50,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:12:50,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:12:50,427 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:12:50,427 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 06:12:50,427 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:12:50,431 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 06:12:50,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 06:12:50,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 06:12:50,440 INFO L87 Difference]: Start difference. First operand 437 states. Second operand 4 states. [2018-12-02 06:12:52,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:12:52,579 INFO L93 Difference]: Finished difference Result 1554 states and 2845 transitions. [2018-12-02 06:12:52,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 06:12:52,581 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2018-12-02 06:12:52,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:12:52,592 INFO L225 Difference]: With dead ends: 1554 [2018-12-02 06:12:52,592 INFO L226 Difference]: Without dead ends: 1036 [2018-12-02 06:12:52,596 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 [2018-12-02 06:12:52,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2018-12-02 06:12:52,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 697. [2018-12-02 06:12:52,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 697 states. [2018-12-02 06:12:52,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 1188 transitions. [2018-12-02 06:12:52,645 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 1188 transitions. Word has length 60 [2018-12-02 06:12:52,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:12:52,646 INFO L480 AbstractCegarLoop]: Abstraction has 697 states and 1188 transitions. [2018-12-02 06:12:52,646 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 06:12:52,646 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 1188 transitions. [2018-12-02 06:12:52,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-02 06:12:52,649 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:12:52,649 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 06:12:52,649 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:12:52,649 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:12:52,649 INFO L82 PathProgramCache]: Analyzing trace with hash -933858500, now seen corresponding path program 1 times [2018-12-02 06:12:52,649 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:12:52,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:12:52,650 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:12:52,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:12:52,650 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:12:52,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:12:52,742 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:12:52,742 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:12:52,742 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 06:12:52,742 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:12:52,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 06:12:52,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 06:12:52,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 06:12:52,744 INFO L87 Difference]: Start difference. First operand 697 states and 1188 transitions. Second operand 5 states. [2018-12-02 06:12:55,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:12:55,324 INFO L93 Difference]: Finished difference Result 1740 states and 2976 transitions. [2018-12-02 06:12:55,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 06:12:55,324 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 129 [2018-12-02 06:12:55,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:12:55,328 INFO L225 Difference]: With dead ends: 1740 [2018-12-02 06:12:55,328 INFO L226 Difference]: Without dead ends: 1049 [2018-12-02 06:12:55,329 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-02 06:12:55,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1049 states. [2018-12-02 06:12:55,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1049 to 1029. [2018-12-02 06:12:55,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1029 states. [2018-12-02 06:12:55,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 1029 states and 1647 transitions. [2018-12-02 06:12:55,350 INFO L78 Accepts]: Start accepts. Automaton has 1029 states and 1647 transitions. Word has length 129 [2018-12-02 06:12:55,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:12:55,350 INFO L480 AbstractCegarLoop]: Abstraction has 1029 states and 1647 transitions. [2018-12-02 06:12:55,350 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 06:12:55,350 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1647 transitions. [2018-12-02 06:12:55,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-02 06:12:55,351 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:12:55,351 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:12:55,352 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:12:55,352 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:12:55,352 INFO L82 PathProgramCache]: Analyzing trace with hash -767759721, now seen corresponding path program 1 times [2018-12-02 06:12:55,352 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:12:55,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:12:55,352 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:12:55,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:12:55,353 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:12:55,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:12:55,423 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:12:55,424 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:12:55,424 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 06:12:55,424 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:12:55,424 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 06:12:55,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 06:12:55,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-02 06:12:55,425 INFO L87 Difference]: Start difference. First operand 1029 states and 1647 transitions. Second operand 6 states. [2018-12-02 06:12:59,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:12:59,951 INFO L93 Difference]: Finished difference Result 3398 states and 5911 transitions. [2018-12-02 06:12:59,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 06:12:59,951 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 130 [2018-12-02 06:12:59,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:12:59,964 INFO L225 Difference]: With dead ends: 3398 [2018-12-02 06:12:59,964 INFO L226 Difference]: Without dead ends: 2375 [2018-12-02 06:12:59,967 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-12-02 06:12:59,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2375 states. [2018-12-02 06:13:00,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2375 to 2317. [2018-12-02 06:13:00,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2317 states. [2018-12-02 06:13:00,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2317 states to 2317 states and 3270 transitions. [2018-12-02 06:13:00,031 INFO L78 Accepts]: Start accepts. Automaton has 2317 states and 3270 transitions. Word has length 130 [2018-12-02 06:13:00,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:13:00,032 INFO L480 AbstractCegarLoop]: Abstraction has 2317 states and 3270 transitions. [2018-12-02 06:13:00,032 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 06:13:00,032 INFO L276 IsEmpty]: Start isEmpty. Operand 2317 states and 3270 transitions. [2018-12-02 06:13:00,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-02 06:13:00,034 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:13:00,034 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 06:13:00,034 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:13:00,034 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:13:00,035 INFO L82 PathProgramCache]: Analyzing trace with hash -959555057, now seen corresponding path program 1 times [2018-12-02 06:13:00,035 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:13:00,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:13:00,035 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:13:00,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:13:00,036 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:13:00,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:13:00,154 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:13:00,154 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:13:00,154 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 06:13:00,154 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:13:00,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 06:13:00,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 06:13:00,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 06:13:00,155 INFO L87 Difference]: Start difference. First operand 2317 states and 3270 transitions. Second operand 6 states. [2018-12-02 06:13:02,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:13:02,457 INFO L93 Difference]: Finished difference Result 5976 states and 9227 transitions. [2018-12-02 06:13:02,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 06:13:02,458 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2018-12-02 06:13:02,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:13:02,472 INFO L225 Difference]: With dead ends: 5976 [2018-12-02 06:13:02,472 INFO L226 Difference]: Without dead ends: 3973 [2018-12-02 06:13:02,478 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 [2018-12-02 06:13:02,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3973 states. [2018-12-02 06:13:02,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3973 to 3931. [2018-12-02 06:13:02,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3931 states. [2018-12-02 06:13:02,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3931 states to 3931 states and 5810 transitions. [2018-12-02 06:13:02,535 INFO L78 Accepts]: Start accepts. Automaton has 3931 states and 5810 transitions. Word has length 134 [2018-12-02 06:13:02,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:13:02,535 INFO L480 AbstractCegarLoop]: Abstraction has 3931 states and 5810 transitions. [2018-12-02 06:13:02,535 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 06:13:02,536 INFO L276 IsEmpty]: Start isEmpty. Operand 3931 states and 5810 transitions. [2018-12-02 06:13:02,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-02 06:13:02,537 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:13:02,537 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 06:13:02,537 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:13:02,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:13:02,537 INFO L82 PathProgramCache]: Analyzing trace with hash -351296262, now seen corresponding path program 1 times [2018-12-02 06:13:02,537 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:13:02,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:13:02,538 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:13:02,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:13:02,538 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:13:02,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:13:02,628 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:13:02,628 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:13:02,628 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:13:02,629 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 156 with the following transitions: [2018-12-02 06:13:02,630 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [691], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-02 06:13:02,654 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:13:02,654 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:13:03,059 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 06:13:03,060 INFO L272 AbstractInterpreter]: Visited 103 different actions 295 times. Merged at 4 different actions 7 times. Never widened. Performed 3088 root evaluator evaluations with a maximum evaluation depth of 10. Performed 3088 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-02 06:13:03,065 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:13:03,066 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 06:13:03,066 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:13:03,066 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7b77ca98-890d-4e73-a487-fa31a00a0775/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 [2018-12-02 06:13:03,073 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:13:03,073 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 06:13:03,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:13:03,115 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:13:06,794 WARN L180 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 37 [2018-12-02 06:13:08,109 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 3 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:13:08,109 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:13:08,167 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:13:08,191 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 06:13:08,191 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 6] total 11 [2018-12-02 06:13:08,191 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:13:08,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 06:13:08,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 06:13:08,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=78, Unknown=2, NotChecked=0, Total=110 [2018-12-02 06:13:08,192 INFO L87 Difference]: Start difference. First operand 3931 states and 5810 transitions. Second operand 3 states. [2018-12-02 06:13:09,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:13:09,437 INFO L93 Difference]: Finished difference Result 8802 states and 13744 transitions. [2018-12-02 06:13:09,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 06:13:09,437 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2018-12-02 06:13:09,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:13:09,458 INFO L225 Difference]: With dead ends: 8802 [2018-12-02 06:13:09,458 INFO L226 Difference]: Without dead ends: 5185 [2018-12-02 06:13:09,466 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 306 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=30, Invalid=78, Unknown=2, NotChecked=0, Total=110 [2018-12-02 06:13:09,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5185 states. [2018-12-02 06:13:09,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5185 to 5185. [2018-12-02 06:13:09,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5185 states. [2018-12-02 06:13:09,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5185 states to 5185 states and 7969 transitions. [2018-12-02 06:13:09,555 INFO L78 Accepts]: Start accepts. Automaton has 5185 states and 7969 transitions. Word has length 155 [2018-12-02 06:13:09,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:13:09,556 INFO L480 AbstractCegarLoop]: Abstraction has 5185 states and 7969 transitions. [2018-12-02 06:13:09,556 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 06:13:09,556 INFO L276 IsEmpty]: Start isEmpty. Operand 5185 states and 7969 transitions. [2018-12-02 06:13:09,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-12-02 06:13:09,558 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:13:09,559 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:13:09,559 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:13:09,559 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:13:09,559 INFO L82 PathProgramCache]: Analyzing trace with hash -663015250, now seen corresponding path program 1 times [2018-12-02 06:13:09,559 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:13:09,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:13:09,560 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:13:09,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:13:09,560 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:13:09,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:13:09,773 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:13:09,773 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 06:13:09,773 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 06:13:09,773 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:13:09,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 06:13:09,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 06:13:09,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-02 06:13:09,774 INFO L87 Difference]: Start difference. First operand 5185 states and 7969 transitions. Second operand 6 states. [2018-12-02 06:13:12,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:13:12,088 INFO L93 Difference]: Finished difference Result 10139 states and 16040 transitions. [2018-12-02 06:13:12,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 06:13:12,088 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 227 [2018-12-02 06:13:12,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:13:12,106 INFO L225 Difference]: With dead ends: 10139 [2018-12-02 06:13:12,106 INFO L226 Difference]: Without dead ends: 5268 [2018-12-02 06:13:12,114 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2018-12-02 06:13:12,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5268 states. [2018-12-02 06:13:12,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5268 to 5204. [2018-12-02 06:13:12,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5204 states. [2018-12-02 06:13:12,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5204 states to 5204 states and 8000 transitions. [2018-12-02 06:13:12,186 INFO L78 Accepts]: Start accepts. Automaton has 5204 states and 8000 transitions. Word has length 227 [2018-12-02 06:13:12,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:13:12,186 INFO L480 AbstractCegarLoop]: Abstraction has 5204 states and 8000 transitions. [2018-12-02 06:13:12,186 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 06:13:12,186 INFO L276 IsEmpty]: Start isEmpty. Operand 5204 states and 8000 transitions. [2018-12-02 06:13:12,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-12-02 06:13:12,189 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:13:12,189 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:13:12,189 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:13:12,190 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:13:12,190 INFO L82 PathProgramCache]: Analyzing trace with hash -1054274955, now seen corresponding path program 1 times [2018-12-02 06:13:12,190 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:13:12,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:13:12,190 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:13:12,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:13:12,190 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:13:12,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:13:12,276 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 106 proven. 80 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 06:13:12,276 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:13:12,276 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:13:12,276 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 263 with the following transitions: [2018-12-02 06:13:12,277 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [633], [638], [640], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [782], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-02 06:13:12,279 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:13:12,279 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:13:12,360 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 06:13:12,361 INFO L272 AbstractInterpreter]: Visited 121 different actions 121 times. Never merged. Never widened. Performed 1233 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1233 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-12-02 06:13:12,362 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:13:12,362 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 06:13:12,605 INFO L227 lantSequenceWeakener]: Weakened 251 states. On average, predicates are now at 78.04% of their original sizes. [2018-12-02 06:13:12,605 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 06:13:12,623 INFO L418 sIntCurrentIteration]: We unified 261 AI predicates to 261 [2018-12-02 06:13:12,623 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 06:13:12,624 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 06:13:12,624 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-02 06:13:12,624 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:13:12,625 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 06:13:12,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 06:13:12,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 06:13:12,625 INFO L87 Difference]: Start difference. First operand 5204 states and 8000 transitions. Second operand 6 states. [2018-12-02 06:13:44,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:13:44,343 INFO L93 Difference]: Finished difference Result 10095 states and 15663 transitions. [2018-12-02 06:13:44,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 06:13:44,343 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 262 [2018-12-02 06:13:44,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:13:44,352 INFO L225 Difference]: With dead ends: 10095 [2018-12-02 06:13:44,352 INFO L226 Difference]: Without dead ends: 5204 [2018-12-02 06:13:44,357 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 262 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-02 06:13:44,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5204 states. [2018-12-02 06:13:44,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5204 to 5203. [2018-12-02 06:13:44,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5203 states. [2018-12-02 06:13:44,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5203 states to 5203 states and 7984 transitions. [2018-12-02 06:13:44,413 INFO L78 Accepts]: Start accepts. Automaton has 5203 states and 7984 transitions. Word has length 262 [2018-12-02 06:13:44,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:13:44,413 INFO L480 AbstractCegarLoop]: Abstraction has 5203 states and 7984 transitions. [2018-12-02 06:13:44,413 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 06:13:44,413 INFO L276 IsEmpty]: Start isEmpty. Operand 5203 states and 7984 transitions. [2018-12-02 06:13:44,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-12-02 06:13:44,416 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:13:44,416 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:13:44,416 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:13:44,416 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:13:44,416 INFO L82 PathProgramCache]: Analyzing trace with hash -1390898442, now seen corresponding path program 1 times [2018-12-02 06:13:44,416 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:13:44,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:13:44,417 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:13:44,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:13:44,417 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:13:44,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:13:44,553 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 107 proven. 89 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 06:13:44,553 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:13:44,553 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:13:44,553 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 272 with the following transitions: [2018-12-02 06:13:44,554 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [691], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [782], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-02 06:13:44,556 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:13:44,556 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:13:44,667 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 06:13:44,667 INFO L272 AbstractInterpreter]: Visited 125 different actions 361 times. Merged at 4 different actions 7 times. Never widened. Performed 4062 root evaluator evaluations with a maximum evaluation depth of 10. Performed 4062 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-02 06:13:44,672 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:13:44,672 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 06:13:44,672 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:13:44,672 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7b77ca98-890d-4e73-a487-fa31a00a0775/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 [2018-12-02 06:13:44,678 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:13:44,678 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 06:13:44,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:13:44,721 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:13:44,773 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-02 06:13:44,773 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:13:44,900 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-02 06:13:44,915 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 06:13:44,915 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 9 [2018-12-02 06:13:44,915 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:13:44,915 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 06:13:44,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 06:13:44,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-12-02 06:13:44,916 INFO L87 Difference]: Start difference. First operand 5203 states and 7984 transitions. Second operand 5 states. [2018-12-02 06:13:46,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:13:46,650 INFO L93 Difference]: Finished difference Result 11069 states and 17574 transitions. [2018-12-02 06:13:46,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 06:13:46,650 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 271 [2018-12-02 06:13:46,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:13:46,659 INFO L225 Difference]: With dead ends: 11069 [2018-12-02 06:13:46,659 INFO L226 Difference]: Without dead ends: 4836 [2018-12-02 06:13:46,667 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 551 GetRequests, 540 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2018-12-02 06:13:46,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4836 states. [2018-12-02 06:13:46,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4836 to 4474. [2018-12-02 06:13:46,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4474 states. [2018-12-02 06:13:46,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4474 states to 4474 states and 5313 transitions. [2018-12-02 06:13:46,711 INFO L78 Accepts]: Start accepts. Automaton has 4474 states and 5313 transitions. Word has length 271 [2018-12-02 06:13:46,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:13:46,711 INFO L480 AbstractCegarLoop]: Abstraction has 4474 states and 5313 transitions. [2018-12-02 06:13:46,711 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 06:13:46,711 INFO L276 IsEmpty]: Start isEmpty. Operand 4474 states and 5313 transitions. [2018-12-02 06:13:46,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-12-02 06:13:46,713 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:13:46,713 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:13:46,714 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:13:46,714 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:13:46,714 INFO L82 PathProgramCache]: Analyzing trace with hash -166189619, now seen corresponding path program 1 times [2018-12-02 06:13:46,714 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:13:46,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:13:46,715 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:13:46,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:13:46,715 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:13:46,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:13:46,863 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:13:46,863 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:13:46,863 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:13:46,863 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 298 with the following transitions: [2018-12-02 06:13:46,864 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1378], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-02 06:13:46,867 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:13:46,867 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:13:47,109 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 06:13:47,110 INFO L272 AbstractInterpreter]: Visited 245 different actions 721 times. Merged at 4 different actions 7 times. Never widened. Performed 9581 root evaluator evaluations with a maximum evaluation depth of 10. Performed 9581 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-02 06:13:47,112 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:13:47,112 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 06:13:47,112 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:13:47,112 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7b77ca98-890d-4e73-a487-fa31a00a0775/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 [2018-12-02 06:13:47,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:13:47,118 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 06:13:47,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:13:47,158 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:13:49,277 WARN L180 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 38 [2018-12-02 06:13:49,339 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 3 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:13:49,339 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:13:51,886 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:13:51,910 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 06:13:51,910 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 13 [2018-12-02 06:13:51,911 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:13:51,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 06:13:51,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 06:13:51,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=109, Unknown=1, NotChecked=0, Total=156 [2018-12-02 06:13:51,911 INFO L87 Difference]: Start difference. First operand 4474 states and 5313 transitions. Second operand 6 states. [2018-12-02 06:13:54,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:13:54,781 INFO L93 Difference]: Finished difference Result 11749 states and 14031 transitions. [2018-12-02 06:13:54,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 06:13:54,781 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 297 [2018-12-02 06:13:54,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:13:54,792 INFO L225 Difference]: With dead ends: 11749 [2018-12-02 06:13:54,792 INFO L226 Difference]: Without dead ends: 7275 [2018-12-02 06:13:54,797 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 602 GetRequests, 589 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=46, Invalid=109, Unknown=1, NotChecked=0, Total=156 [2018-12-02 06:13:54,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7275 states. [2018-12-02 06:13:54,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7275 to 6956. [2018-12-02 06:13:54,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6956 states. [2018-12-02 06:13:54,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6956 states to 6956 states and 8180 transitions. [2018-12-02 06:13:54,860 INFO L78 Accepts]: Start accepts. Automaton has 6956 states and 8180 transitions. Word has length 297 [2018-12-02 06:13:54,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:13:54,860 INFO L480 AbstractCegarLoop]: Abstraction has 6956 states and 8180 transitions. [2018-12-02 06:13:54,860 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 06:13:54,860 INFO L276 IsEmpty]: Start isEmpty. Operand 6956 states and 8180 transitions. [2018-12-02 06:13:54,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-12-02 06:13:54,863 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:13:54,863 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:13:54,863 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:13:54,863 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:13:54,863 INFO L82 PathProgramCache]: Analyzing trace with hash -1203160277, now seen corresponding path program 1 times [2018-12-02 06:13:54,863 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:13:54,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:13:54,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:13:54,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:13:54,864 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:13:54,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:13:55,099 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 48 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:13:55,099 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:13:55,099 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:13:55,099 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 335 with the following transitions: [2018-12-02 06:13:55,099 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-02 06:13:55,102 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:13:55,102 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:13:55,446 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 06:13:55,446 INFO L272 AbstractInterpreter]: Visited 282 different actions 832 times. Merged at 4 different actions 7 times. Never widened. Performed 11063 root evaluator evaluations with a maximum evaluation depth of 9. Performed 11063 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-02 06:13:55,447 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:13:55,448 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 06:13:55,448 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:13:55,448 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7b77ca98-890d-4e73-a487-fa31a00a0775/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 [2018-12-02 06:13:55,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:13:55,453 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 06:13:55,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:13:55,499 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:13:55,549 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:13:55,550 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:13:55,600 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:13:55,615 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-02 06:13:55,615 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [7] total 8 [2018-12-02 06:13:55,615 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:13:55,615 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 06:13:55,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 06:13:55,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-12-02 06:13:55,616 INFO L87 Difference]: Start difference. First operand 6956 states and 8180 transitions. Second operand 3 states. [2018-12-02 06:13:56,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:13:56,255 INFO L93 Difference]: Finished difference Result 15759 states and 18815 transitions. [2018-12-02 06:13:56,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 06:13:56,256 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 334 [2018-12-02 06:13:56,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:13:56,267 INFO L225 Difference]: With dead ends: 15759 [2018-12-02 06:13:56,268 INFO L226 Difference]: Without dead ends: 9116 [2018-12-02 06:13:56,274 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 677 GetRequests, 667 SyntacticMatches, 4 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-12-02 06:13:56,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9116 states. [2018-12-02 06:13:56,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9116 to 9113. [2018-12-02 06:13:56,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9113 states. [2018-12-02 06:13:56,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9113 states to 9113 states and 10694 transitions. [2018-12-02 06:13:56,354 INFO L78 Accepts]: Start accepts. Automaton has 9113 states and 10694 transitions. Word has length 334 [2018-12-02 06:13:56,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:13:56,354 INFO L480 AbstractCegarLoop]: Abstraction has 9113 states and 10694 transitions. [2018-12-02 06:13:56,354 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 06:13:56,354 INFO L276 IsEmpty]: Start isEmpty. Operand 9113 states and 10694 transitions. [2018-12-02 06:13:56,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598 [2018-12-02 06:13:56,359 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:13:56,359 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:13:56,359 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:13:56,359 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:13:56,359 INFO L82 PathProgramCache]: Analyzing trace with hash -771275642, now seen corresponding path program 1 times [2018-12-02 06:13:56,359 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:13:56,360 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:13:56,360 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:13:56,360 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:13:56,360 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:13:56,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:13:56,588 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 317 proven. 160 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2018-12-02 06:13:56,588 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:13:56,588 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:13:56,589 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 598 with the following transitions: [2018-12-02 06:13:56,589 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [574], [577], [581], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [675], [676], [680], [684], [688], [692], [696], [707], [711], [714], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-02 06:13:56,592 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:13:56,592 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:13:57,313 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 06:13:57,314 INFO L272 AbstractInterpreter]: Visited 287 different actions 1137 times. Merged at 8 different actions 26 times. Never widened. Performed 15814 root evaluator evaluations with a maximum evaluation depth of 18. Performed 15814 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 8 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-02 06:13:57,320 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:13:57,320 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 06:13:57,320 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:13:57,320 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7b77ca98-890d-4e73-a487-fa31a00a0775/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 [2018-12-02 06:13:57,326 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:13:57,326 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 06:13:57,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:13:57,397 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:13:57,481 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 415 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2018-12-02 06:13:57,481 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:13:57,591 INFO L134 CoverageAnalysis]: Checked inductivity of 706 backedges. 226 proven. 2 refuted. 0 times theorem prover too weak. 478 trivial. 0 not checked. [2018-12-02 06:13:57,606 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 06:13:57,606 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 3] total 8 [2018-12-02 06:13:57,606 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:13:57,607 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 06:13:57,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 06:13:57,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-12-02 06:13:57,607 INFO L87 Difference]: Start difference. First operand 9113 states and 10694 transitions. Second operand 3 states. [2018-12-02 06:13:58,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:13:58,295 INFO L93 Difference]: Finished difference Result 18829 states and 22391 transitions. [2018-12-02 06:13:58,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 06:13:58,296 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 597 [2018-12-02 06:13:58,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:13:58,312 INFO L225 Difference]: With dead ends: 18829 [2018-12-02 06:13:58,312 INFO L226 Difference]: Without dead ends: 10029 [2018-12-02 06:13:58,321 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1199 GetRequests, 1193 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-12-02 06:13:58,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10029 states. [2018-12-02 06:13:58,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10029 to 9415. [2018-12-02 06:13:58,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9415 states. [2018-12-02 06:13:58,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9415 states to 9415 states and 10996 transitions. [2018-12-02 06:13:58,413 INFO L78 Accepts]: Start accepts. Automaton has 9415 states and 10996 transitions. Word has length 597 [2018-12-02 06:13:58,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:13:58,413 INFO L480 AbstractCegarLoop]: Abstraction has 9415 states and 10996 transitions. [2018-12-02 06:13:58,413 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 06:13:58,413 INFO L276 IsEmpty]: Start isEmpty. Operand 9415 states and 10996 transitions. [2018-12-02 06:13:58,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 620 [2018-12-02 06:13:58,418 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:13:58,418 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 06:13:58,418 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:13:58,418 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:13:58,418 INFO L82 PathProgramCache]: Analyzing trace with hash -1820467248, now seen corresponding path program 1 times [2018-12-02 06:13:58,418 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:13:58,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:13:58,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:13:58,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:13:58,419 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:13:58,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:13:58,823 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 378 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:13:58,823 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:13:58,823 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:13:58,824 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 620 with the following transitions: [2018-12-02 06:13:58,824 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1562], [1566], [1570], [1581], [1585], [1589], [1593], [1597], [1601], [1612], [1616], [1619], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-02 06:13:58,826 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:13:58,826 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:13:59,207 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 06:13:59,208 INFO L272 AbstractInterpreter]: Visited 294 different actions 1163 times. Merged at 6 different actions 18 times. Never widened. Performed 15832 root evaluator evaluations with a maximum evaluation depth of 10. Performed 15832 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-02 06:13:59,217 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:13:59,217 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 06:13:59,217 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:13:59,217 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7b77ca98-890d-4e73-a487-fa31a00a0775/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 [2018-12-02 06:13:59,223 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:13:59,223 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 06:13:59,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:13:59,299 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:13:59,433 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 378 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:13:59,433 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:13:59,679 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 378 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 06:13:59,694 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 06:13:59,695 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-02 06:13:59,695 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 06:13:59,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 06:13:59,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 06:13:59,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-12-02 06:13:59,695 INFO L87 Difference]: Start difference. First operand 9415 states and 10996 transitions. Second operand 9 states. [2018-12-02 06:14:02,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:14:02,083 INFO L93 Difference]: Finished difference Result 22547 states and 28377 transitions. [2018-12-02 06:14:02,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-02 06:14:02,084 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 619 [2018-12-02 06:14:02,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:14:02,107 INFO L225 Difference]: With dead ends: 22547 [2018-12-02 06:14:02,107 INFO L226 Difference]: Without dead ends: 13445 [2018-12-02 06:14:02,120 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1258 GetRequests, 1239 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=128, Invalid=252, Unknown=0, NotChecked=0, Total=380 [2018-12-02 06:14:02,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13445 states. [2018-12-02 06:14:02,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13445 to 13405. [2018-12-02 06:14:02,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13405 states. [2018-12-02 06:14:02,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13405 states to 13405 states and 16279 transitions. [2018-12-02 06:14:02,271 INFO L78 Accepts]: Start accepts. Automaton has 13405 states and 16279 transitions. Word has length 619 [2018-12-02 06:14:02,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:14:02,272 INFO L480 AbstractCegarLoop]: Abstraction has 13405 states and 16279 transitions. [2018-12-02 06:14:02,272 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 06:14:02,272 INFO L276 IsEmpty]: Start isEmpty. Operand 13405 states and 16279 transitions. [2018-12-02 06:14:02,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 679 [2018-12-02 06:14:02,279 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:14:02,280 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:14:02,280 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:14:02,280 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:14:02,280 INFO L82 PathProgramCache]: Analyzing trace with hash -134222251, now seen corresponding path program 1 times [2018-12-02 06:14:02,280 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:14:02,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:14:02,281 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:14:02,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:14:02,281 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:14:02,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:14:02,680 INFO L134 CoverageAnalysis]: Checked inductivity of 847 backedges. 472 proven. 91 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2018-12-02 06:14:02,680 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:14:02,680 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:14:02,680 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 679 with the following transitions: [2018-12-02 06:14:02,680 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [675], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [927], [930], [934], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-02 06:14:02,683 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:14:02,683 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:14:05,888 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 06:14:05,888 INFO L272 AbstractInterpreter]: Visited 287 different actions 1136 times. Merged at 8 different actions 25 times. Never widened. Performed 15817 root evaluator evaluations with a maximum evaluation depth of 20. Performed 15817 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 8 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-02 06:14:05,890 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:14:05,890 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 06:14:05,890 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:14:05,890 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7b77ca98-890d-4e73-a487-fa31a00a0775/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 [2018-12-02 06:14:05,897 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:14:05,897 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 06:14:05,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:14:05,977 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:14:06,096 INFO L134 CoverageAnalysis]: Checked inductivity of 847 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 412 trivial. 0 not checked. [2018-12-02 06:14:06,096 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:14:06,284 INFO L134 CoverageAnalysis]: Checked inductivity of 847 backedges. 226 proven. 2 refuted. 0 times theorem prover too weak. 619 trivial. 0 not checked. [2018-12-02 06:14:06,299 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 06:14:06,299 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 3] total 7 [2018-12-02 06:14:06,299 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:14:06,300 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 06:14:06,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 06:14:06,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-12-02 06:14:06,300 INFO L87 Difference]: Start difference. First operand 13405 states and 16279 transitions. Second operand 3 states. [2018-12-02 06:14:07,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:14:07,322 INFO L93 Difference]: Finished difference Result 28374 states and 34851 transitions. [2018-12-02 06:14:07,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 06:14:07,323 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 678 [2018-12-02 06:14:07,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:14:07,350 INFO L225 Difference]: With dead ends: 28374 [2018-12-02 06:14:07,350 INFO L226 Difference]: Without dead ends: 15282 [2018-12-02 06:14:07,367 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1361 GetRequests, 1356 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-12-02 06:14:07,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15282 states. [2018-12-02 06:14:07,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15282 to 13093. [2018-12-02 06:14:07,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13093 states. [2018-12-02 06:14:07,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13093 states to 13093 states and 15877 transitions. [2018-12-02 06:14:07,514 INFO L78 Accepts]: Start accepts. Automaton has 13093 states and 15877 transitions. Word has length 678 [2018-12-02 06:14:07,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:14:07,514 INFO L480 AbstractCegarLoop]: Abstraction has 13093 states and 15877 transitions. [2018-12-02 06:14:07,514 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 06:14:07,514 INFO L276 IsEmpty]: Start isEmpty. Operand 13093 states and 15877 transitions. [2018-12-02 06:14:07,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 755 [2018-12-02 06:14:07,526 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:14:07,526 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:14:07,527 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:14:07,527 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:14:07,527 INFO L82 PathProgramCache]: Analyzing trace with hash 1992018284, now seen corresponding path program 1 times [2018-12-02 06:14:07,527 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:14:07,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:14:07,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:14:07,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:14:07,527 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:14:07,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:14:07,869 INFO L134 CoverageAnalysis]: Checked inductivity of 959 backedges. 530 proven. 109 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2018-12-02 06:14:07,869 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:14:07,869 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:14:07,869 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 755 with the following transitions: [2018-12-02 06:14:07,869 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [754], [755], [759], [762], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1194], [1197], [1201], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-02 06:14:07,871 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:14:07,872 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:14:11,227 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 06:14:11,228 INFO L272 AbstractInterpreter]: Visited 287 different actions 1135 times. Merged at 8 different actions 24 times. Never widened. Performed 15829 root evaluator evaluations with a maximum evaluation depth of 20. Performed 15829 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 8 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-02 06:14:11,229 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:14:11,229 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 06:14:11,229 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:14:11,230 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7b77ca98-890d-4e73-a487-fa31a00a0775/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 [2018-12-02 06:14:11,235 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:14:11,235 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 06:14:11,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:14:11,323 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:14:11,499 INFO L134 CoverageAnalysis]: Checked inductivity of 959 backedges. 795 proven. 2 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2018-12-02 06:14:11,499 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:14:11,743 INFO L134 CoverageAnalysis]: Checked inductivity of 959 backedges. 530 proven. 109 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2018-12-02 06:14:11,759 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 06:14:11,759 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-02 06:14:11,759 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 06:14:11,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 06:14:11,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 06:14:11,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-02 06:14:11,760 INFO L87 Difference]: Start difference. First operand 13093 states and 15877 transitions. Second operand 9 states. [2018-12-02 06:14:14,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:14:14,047 INFO L93 Difference]: Finished difference Result 27578 states and 35508 transitions. [2018-12-02 06:14:14,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-02 06:14:14,048 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 754 [2018-12-02 06:14:14,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:14:14,079 INFO L225 Difference]: With dead ends: 27578 [2018-12-02 06:14:14,079 INFO L226 Difference]: Without dead ends: 14798 [2018-12-02 06:14:14,101 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1537 GetRequests, 1515 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2018-12-02 06:14:14,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14798 states. [2018-12-02 06:14:14,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14798 to 14419. [2018-12-02 06:14:14,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14419 states. [2018-12-02 06:14:14,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14419 states to 14419 states and 17663 transitions. [2018-12-02 06:14:14,300 INFO L78 Accepts]: Start accepts. Automaton has 14419 states and 17663 transitions. Word has length 754 [2018-12-02 06:14:14,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:14:14,301 INFO L480 AbstractCegarLoop]: Abstraction has 14419 states and 17663 transitions. [2018-12-02 06:14:14,301 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 06:14:14,301 INFO L276 IsEmpty]: Start isEmpty. Operand 14419 states and 17663 transitions. [2018-12-02 06:14:14,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 813 [2018-12-02 06:14:14,312 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:14:14,312 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 06:14:14,312 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:14:14,312 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:14:14,313 INFO L82 PathProgramCache]: Analyzing trace with hash -1522929893, now seen corresponding path program 1 times [2018-12-02 06:14:14,313 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:14:14,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:14:14,313 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:14:14,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:14:14,313 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:14:14,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:14:14,844 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 627 proven. 2 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2018-12-02 06:14:14,845 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:14:14,845 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:14:14,845 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 813 with the following transitions: [2018-12-02 06:14:14,845 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1167], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1562], [1566], [1570], [1581], [1585], [1589], [1593], [1597], [1601], [1612], [1616], [1619], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-02 06:14:14,847 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:14:14,847 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:14:15,230 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 06:14:15,230 INFO L272 AbstractInterpreter]: Visited 295 different actions 1176 times. Merged at 7 different actions 27 times. Never widened. Performed 16006 root evaluator evaluations with a maximum evaluation depth of 10. Performed 16006 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 7 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-02 06:14:15,231 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:14:15,231 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 06:14:15,231 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:14:15,231 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7b77ca98-890d-4e73-a487-fa31a00a0775/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 [2018-12-02 06:14:15,237 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:14:15,237 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 06:14:15,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:14:15,331 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:14:15,529 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 627 proven. 2 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2018-12-02 06:14:15,529 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:14:15,845 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 627 proven. 2 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2018-12-02 06:14:15,860 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 06:14:15,860 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-02 06:14:15,860 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 06:14:15,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 06:14:15,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 06:14:15,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-02 06:14:15,861 INFO L87 Difference]: Start difference. First operand 14419 states and 17663 transitions. Second operand 9 states. [2018-12-02 06:14:18,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:14:18,093 INFO L93 Difference]: Finished difference Result 28552 states and 34104 transitions. [2018-12-02 06:14:18,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 06:14:18,094 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 812 [2018-12-02 06:14:18,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:14:18,116 INFO L225 Difference]: With dead ends: 28552 [2018-12-02 06:14:18,116 INFO L226 Difference]: Without dead ends: 14446 [2018-12-02 06:14:18,141 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1643 GetRequests, 1626 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2018-12-02 06:14:18,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14446 states. [2018-12-02 06:14:18,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14446 to 13437. [2018-12-02 06:14:18,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13437 states. [2018-12-02 06:14:18,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13437 states to 13437 states and 14958 transitions. [2018-12-02 06:14:18,339 INFO L78 Accepts]: Start accepts. Automaton has 13437 states and 14958 transitions. Word has length 812 [2018-12-02 06:14:18,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:14:18,340 INFO L480 AbstractCegarLoop]: Abstraction has 13437 states and 14958 transitions. [2018-12-02 06:14:18,340 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 06:14:18,340 INFO L276 IsEmpty]: Start isEmpty. Operand 13437 states and 14958 transitions. [2018-12-02 06:14:18,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 846 [2018-12-02 06:14:18,350 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:14:18,350 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:14:18,350 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:14:18,350 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:14:18,351 INFO L82 PathProgramCache]: Analyzing trace with hash 1698336555, now seen corresponding path program 1 times [2018-12-02 06:14:18,351 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:14:18,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:14:18,351 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:14:18,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:14:18,351 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:14:18,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:14:18,694 INFO L134 CoverageAnalysis]: Checked inductivity of 1368 backedges. 688 proven. 2 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2018-12-02 06:14:18,694 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:14:18,694 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:14:18,695 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 846 with the following transitions: [2018-12-02 06:14:18,695 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [660], [663], [667], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [754], [755], [759], [762], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1194], [1197], [1201], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-02 06:14:18,697 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:14:18,697 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:14:22,034 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 06:14:22,034 INFO L272 AbstractInterpreter]: Visited 290 different actions 1144 times. Merged at 9 different actions 27 times. Never widened. Performed 15855 root evaluator evaluations with a maximum evaluation depth of 20. Performed 15855 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 9 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-02 06:14:22,036 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:14:22,036 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 06:14:22,036 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:14:22,036 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7b77ca98-890d-4e73-a487-fa31a00a0775/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 [2018-12-02 06:14:22,043 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:14:22,043 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 06:14:22,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:14:22,150 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:14:22,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1368 backedges. 688 proven. 2 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2018-12-02 06:14:22,329 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:14:22,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1368 backedges. 688 proven. 2 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2018-12-02 06:14:22,585 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 06:14:22,585 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2018-12-02 06:14:22,586 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 06:14:22,586 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 06:14:22,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 06:14:22,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-12-02 06:14:22,586 INFO L87 Difference]: Start difference. First operand 13437 states and 14958 transitions. Second operand 7 states. [2018-12-02 06:14:24,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:14:24,531 INFO L93 Difference]: Finished difference Result 31624 states and 35505 transitions. [2018-12-02 06:14:24,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 06:14:24,532 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 845 [2018-12-02 06:14:24,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:14:24,557 INFO L225 Difference]: With dead ends: 31624 [2018-12-02 06:14:24,557 INFO L226 Difference]: Without dead ends: 18500 [2018-12-02 06:14:24,574 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1703 GetRequests, 1690 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2018-12-02 06:14:24,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18500 states. [2018-12-02 06:14:24,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18500 to 18467. [2018-12-02 06:14:24,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18467 states. [2018-12-02 06:14:24,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18467 states to 18467 states and 20471 transitions. [2018-12-02 06:14:24,767 INFO L78 Accepts]: Start accepts. Automaton has 18467 states and 20471 transitions. Word has length 845 [2018-12-02 06:14:24,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:14:24,767 INFO L480 AbstractCegarLoop]: Abstraction has 18467 states and 20471 transitions. [2018-12-02 06:14:24,767 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 06:14:24,767 INFO L276 IsEmpty]: Start isEmpty. Operand 18467 states and 20471 transitions. [2018-12-02 06:14:24,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 884 [2018-12-02 06:14:24,779 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:14:24,779 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:14:24,779 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:14:24,780 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:14:24,780 INFO L82 PathProgramCache]: Analyzing trace with hash -1599223055, now seen corresponding path program 1 times [2018-12-02 06:14:24,780 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:14:24,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:14:24,780 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:14:24,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:14:24,780 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:14:24,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:14:25,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1446 backedges. 766 proven. 2 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2018-12-02 06:14:25,548 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:14:25,548 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:14:25,548 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 884 with the following transitions: [2018-12-02 06:14:25,548 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [660], [663], [667], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [962], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1194], [1197], [1201], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-02 06:14:25,551 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:14:25,551 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:14:28,360 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 06:14:28,360 INFO L272 AbstractInterpreter]: Visited 290 different actions 863 times. Merged at 9 different actions 22 times. Never widened. Performed 11811 root evaluator evaluations with a maximum evaluation depth of 20. Performed 11811 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 7 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-02 06:14:28,361 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:14:28,361 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 06:14:28,361 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:14:28,361 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7b77ca98-890d-4e73-a487-fa31a00a0775/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 [2018-12-02 06:14:28,367 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:14:28,367 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 06:14:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:14:28,469 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:14:28,883 INFO L134 CoverageAnalysis]: Checked inductivity of 1446 backedges. 766 proven. 2 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2018-12-02 06:14:28,883 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:14:29,383 INFO L134 CoverageAnalysis]: Checked inductivity of 1446 backedges. 766 proven. 2 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2018-12-02 06:14:29,398 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 06:14:29,399 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 7] total 13 [2018-12-02 06:14:29,399 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 06:14:29,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-02 06:14:29,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-02 06:14:29,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2018-12-02 06:14:29,400 INFO L87 Difference]: Start difference. First operand 18467 states and 20471 transitions. Second operand 12 states. [2018-12-02 06:14:32,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:14:32,898 INFO L93 Difference]: Finished difference Result 36663 states and 40678 transitions. [2018-12-02 06:14:32,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-12-02 06:14:32,899 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 883 [2018-12-02 06:14:32,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:14:32,924 INFO L225 Difference]: With dead ends: 36663 [2018-12-02 06:14:32,925 INFO L226 Difference]: Without dead ends: 18509 [2018-12-02 06:14:32,946 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1811 GetRequests, 1776 SyntacticMatches, 5 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 217 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=269, Invalid=723, Unknown=0, NotChecked=0, Total=992 [2018-12-02 06:14:32,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18509 states. [2018-12-02 06:14:33,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18509 to 18481. [2018-12-02 06:14:33,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18481 states. [2018-12-02 06:14:33,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18481 states to 18481 states and 20341 transitions. [2018-12-02 06:14:33,144 INFO L78 Accepts]: Start accepts. Automaton has 18481 states and 20341 transitions. Word has length 883 [2018-12-02 06:14:33,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:14:33,144 INFO L480 AbstractCegarLoop]: Abstraction has 18481 states and 20341 transitions. [2018-12-02 06:14:33,144 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-02 06:14:33,144 INFO L276 IsEmpty]: Start isEmpty. Operand 18481 states and 20341 transitions. [2018-12-02 06:14:33,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 899 [2018-12-02 06:14:33,156 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:14:33,156 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:14:33,156 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:14:33,156 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:14:33,157 INFO L82 PathProgramCache]: Analyzing trace with hash -341046833, now seen corresponding path program 1 times [2018-12-02 06:14:33,157 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:14:33,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:14:33,157 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:14:33,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:14:33,157 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:14:33,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:14:33,733 INFO L134 CoverageAnalysis]: Checked inductivity of 984 backedges. 0 proven. 165 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2018-12-02 06:14:33,734 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:14:33,734 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:14:33,734 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 899 with the following transitions: [2018-12-02 06:14:33,734 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1562], [1566], [1570], [1573], [1578], [1580], [1581], [1585], [1589], [1593], [1597], [1601], [1612], [1616], [1619], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-02 06:14:33,737 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:14:33,737 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:14:35,481 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 06:14:35,481 INFO L272 AbstractInterpreter]: Visited 297 different actions 1181 times. Merged at 7 different actions 26 times. Never widened. Performed 15993 root evaluator evaluations with a maximum evaluation depth of 20. Performed 15993 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 7 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-02 06:14:35,483 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:14:35,483 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 06:14:35,483 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:14:35,483 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7b77ca98-890d-4e73-a487-fa31a00a0775/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 [2018-12-02 06:14:35,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:14:35,489 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 06:14:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:14:35,603 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:14:39,744 WARN L180 SmtUtils]: Spent 4.11 s on a formula simplification that was a NOOP. DAG size: 38 [2018-12-02 06:14:40,137 INFO L134 CoverageAnalysis]: Checked inductivity of 984 backedges. 11 proven. 154 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2018-12-02 06:14:40,138 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:14:43,302 INFO L134 CoverageAnalysis]: Checked inductivity of 984 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2018-12-02 06:14:43,316 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 06:14:43,317 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 13 [2018-12-02 06:14:43,317 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 06:14:43,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 06:14:43,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 06:14:43,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-12-02 06:14:43,317 INFO L87 Difference]: Start difference. First operand 18481 states and 20341 transitions. Second operand 6 states. [2018-12-02 06:14:46,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:14:46,155 INFO L93 Difference]: Finished difference Result 37275 states and 41181 transitions. [2018-12-02 06:14:46,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 06:14:46,156 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 898 [2018-12-02 06:14:46,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:14:46,185 INFO L225 Difference]: With dead ends: 37275 [2018-12-02 06:14:46,185 INFO L226 Difference]: Without dead ends: 18794 [2018-12-02 06:14:46,206 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1808 GetRequests, 1792 SyntacticMatches, 5 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-12-02 06:14:46,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18794 states. [2018-12-02 06:14:46,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18794 to 18479. [2018-12-02 06:14:46,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18479 states. [2018-12-02 06:14:46,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18479 states to 18479 states and 20413 transitions. [2018-12-02 06:14:46,402 INFO L78 Accepts]: Start accepts. Automaton has 18479 states and 20413 transitions. Word has length 898 [2018-12-02 06:14:46,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:14:46,402 INFO L480 AbstractCegarLoop]: Abstraction has 18479 states and 20413 transitions. [2018-12-02 06:14:46,402 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 06:14:46,402 INFO L276 IsEmpty]: Start isEmpty. Operand 18479 states and 20413 transitions. [2018-12-02 06:14:46,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 974 [2018-12-02 06:14:46,418 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:14:46,418 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 06:14:46,418 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:14:46,418 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:14:46,418 INFO L82 PathProgramCache]: Analyzing trace with hash 124704961, now seen corresponding path program 1 times [2018-12-02 06:14:46,418 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:14:46,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:14:46,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:14:46,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:14:46,419 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:14:46,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:14:46,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1948 backedges. 744 proven. 235 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2018-12-02 06:14:46,869 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:14:46,869 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:14:46,869 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 974 with the following transitions: [2018-12-02 06:14:46,869 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [660], [663], [667], [668], [671], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [962], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1194], [1197], [1201], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-02 06:14:46,872 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:14:46,872 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:14:51,636 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 06:14:51,636 INFO L272 AbstractInterpreter]: Visited 291 different actions 1146 times. Merged at 8 different actions 25 times. Never widened. Performed 15750 root evaluator evaluations with a maximum evaluation depth of 20. Performed 15750 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 12 fixpoints after 5 different actions. Largest state had 24 variables. [2018-12-02 06:14:51,640 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:14:51,640 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 06:14:51,640 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:14:51,640 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7b77ca98-890d-4e73-a487-fa31a00a0775/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 [2018-12-02 06:14:51,646 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:14:51,646 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 06:14:51,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:14:51,760 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:14:52,142 INFO L134 CoverageAnalysis]: Checked inductivity of 1948 backedges. 912 proven. 2 refuted. 0 times theorem prover too weak. 1034 trivial. 0 not checked. [2018-12-02 06:14:52,142 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:14:52,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1948 backedges. 912 proven. 2 refuted. 0 times theorem prover too weak. 1034 trivial. 0 not checked. [2018-12-02 06:14:52,981 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 06:14:52,982 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-02 06:14:52,982 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 06:14:52,982 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 06:14:52,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 06:14:52,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-12-02 06:14:52,982 INFO L87 Difference]: Start difference. First operand 18479 states and 20413 transitions. Second operand 9 states. [2018-12-02 06:15:00,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:15:00,634 INFO L93 Difference]: Finished difference Result 41622 states and 46418 transitions. [2018-12-02 06:15:00,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-12-02 06:15:00,635 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 973 [2018-12-02 06:15:00,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:15:00,670 INFO L225 Difference]: With dead ends: 41622 [2018-12-02 06:15:00,670 INFO L226 Difference]: Without dead ends: 23456 [2018-12-02 06:15:00,692 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2005 GetRequests, 1966 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 411 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=307, Invalid=1253, Unknown=0, NotChecked=0, Total=1560 [2018-12-02 06:15:00,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23456 states. [2018-12-02 06:15:00,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23456 to 23131. [2018-12-02 06:15:00,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23131 states. [2018-12-02 06:15:00,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23131 states to 23131 states and 25188 transitions. [2018-12-02 06:15:00,934 INFO L78 Accepts]: Start accepts. Automaton has 23131 states and 25188 transitions. Word has length 973 [2018-12-02 06:15:00,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:15:00,935 INFO L480 AbstractCegarLoop]: Abstraction has 23131 states and 25188 transitions. [2018-12-02 06:15:00,935 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 06:15:00,935 INFO L276 IsEmpty]: Start isEmpty. Operand 23131 states and 25188 transitions. [2018-12-02 06:15:00,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1363 [2018-12-02 06:15:00,968 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:15:00,969 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 06:15:00,969 INFO L423 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:15:00,969 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:15:00,969 INFO L82 PathProgramCache]: Analyzing trace with hash -856430705, now seen corresponding path program 1 times [2018-12-02 06:15:00,969 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:15:00,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:15:00,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:15:00,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:15:00,970 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:15:01,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:15:02,056 INFO L134 CoverageAnalysis]: Checked inductivity of 3405 backedges. 817 proven. 1370 refuted. 0 times theorem prover too weak. 1218 trivial. 0 not checked. [2018-12-02 06:15:02,056 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:15:02,056 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:15:02,056 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1363 with the following transitions: [2018-12-02 06:15:02,056 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [671], [672], [675], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1194], [1197], [1201], [1202], [1206], [1209], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1432], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-02 06:15:02,059 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:15:02,059 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:15:02,877 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 06:15:02,877 INFO L272 AbstractInterpreter]: Visited 289 different actions 1441 times. Merged at 9 different actions 45 times. Widened at 1 different actions 1 times. Performed 19862 root evaluator evaluations with a maximum evaluation depth of 19. Performed 19862 inverse root evaluator evaluations with a maximum inverse evaluation depth of 19. Found 18 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-02 06:15:02,879 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:15:02,879 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 06:15:02,879 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:15:02,879 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7b77ca98-890d-4e73-a487-fa31a00a0775/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 [2018-12-02 06:15:02,885 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:15:02,885 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 06:15:03,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:15:03,085 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:15:03,548 INFO L134 CoverageAnalysis]: Checked inductivity of 3405 backedges. 2329 proven. 2 refuted. 0 times theorem prover too weak. 1074 trivial. 0 not checked. [2018-12-02 06:15:03,548 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:15:04,183 INFO L134 CoverageAnalysis]: Checked inductivity of 3405 backedges. 1005 proven. 375 refuted. 0 times theorem prover too weak. 2025 trivial. 0 not checked. [2018-12-02 06:15:04,198 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 06:15:04,199 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 13 [2018-12-02 06:15:04,199 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 06:15:04,200 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-02 06:15:04,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-02 06:15:04,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2018-12-02 06:15:04,200 INFO L87 Difference]: Start difference. First operand 23131 states and 25188 transitions. Second operand 12 states. [2018-12-02 06:15:05,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:15:05,773 INFO L93 Difference]: Finished difference Result 41073 states and 44302 transitions. [2018-12-02 06:15:05,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-02 06:15:05,773 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 1362 [2018-12-02 06:15:05,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:15:05,797 INFO L225 Difference]: With dead ends: 41073 [2018-12-02 06:15:05,797 INFO L226 Difference]: Without dead ends: 20404 [2018-12-02 06:15:05,818 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2763 GetRequests, 2734 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=177, Invalid=525, Unknown=0, NotChecked=0, Total=702 [2018-12-02 06:15:05,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20404 states. [2018-12-02 06:15:05,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20404 to 18235. [2018-12-02 06:15:05,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18235 states. [2018-12-02 06:15:05,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18235 states to 18235 states and 19161 transitions. [2018-12-02 06:15:05,992 INFO L78 Accepts]: Start accepts. Automaton has 18235 states and 19161 transitions. Word has length 1362 [2018-12-02 06:15:05,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:15:05,992 INFO L480 AbstractCegarLoop]: Abstraction has 18235 states and 19161 transitions. [2018-12-02 06:15:05,992 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-02 06:15:05,992 INFO L276 IsEmpty]: Start isEmpty. Operand 18235 states and 19161 transitions. [2018-12-02 06:15:06,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1712 [2018-12-02 06:15:06,016 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:15:06,016 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 06:15:06,016 INFO L423 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:15:06,017 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:15:06,017 INFO L82 PathProgramCache]: Analyzing trace with hash -583082538, now seen corresponding path program 1 times [2018-12-02 06:15:06,017 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:15:06,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:15:06,017 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:15:06,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:15:06,017 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:15:06,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:15:07,018 INFO L134 CoverageAnalysis]: Checked inductivity of 6093 backedges. 1116 proven. 579 refuted. 0 times theorem prover too weak. 4398 trivial. 0 not checked. [2018-12-02 06:15:07,018 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:15:07,018 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:15:07,018 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1712 with the following transitions: [2018-12-02 06:15:07,019 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [613], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [671], [672], [675], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [857], [862], [864], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [927], [932], [934], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1194], [1197], [1201], [1202], [1206], [1209], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1432], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-02 06:15:07,021 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:15:07,021 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:15:07,921 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 06:15:07,922 INFO L272 AbstractInterpreter]: Visited 296 different actions 1458 times. Merged at 10 different actions 43 times. Never widened. Performed 19984 root evaluator evaluations with a maximum evaluation depth of 19. Performed 19984 inverse root evaluator evaluations with a maximum inverse evaluation depth of 19. Found 21 fixpoints after 6 different actions. Largest state had 24 variables. [2018-12-02 06:15:07,924 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:15:07,924 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 06:15:07,924 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:15:07,924 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7b77ca98-890d-4e73-a487-fa31a00a0775/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 [2018-12-02 06:15:07,930 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:15:07,930 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 06:15:08,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:15:08,117 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:15:08,825 INFO L134 CoverageAnalysis]: Checked inductivity of 6093 backedges. 3863 proven. 2 refuted. 0 times theorem prover too weak. 2228 trivial. 0 not checked. [2018-12-02 06:15:08,825 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:15:09,660 INFO L134 CoverageAnalysis]: Checked inductivity of 6093 backedges. 1116 proven. 579 refuted. 0 times theorem prover too weak. 4398 trivial. 0 not checked. [2018-12-02 06:15:09,675 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 06:15:09,676 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-02 06:15:09,676 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 06:15:09,677 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 06:15:09,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 06:15:09,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-02 06:15:09,677 INFO L87 Difference]: Start difference. First operand 18235 states and 19161 transitions. Second operand 9 states. [2018-12-02 06:15:10,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:15:10,993 INFO L93 Difference]: Finished difference Result 36337 states and 38610 transitions. [2018-12-02 06:15:10,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-02 06:15:10,994 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1711 [2018-12-02 06:15:10,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:15:11,017 INFO L225 Difference]: With dead ends: 36337 [2018-12-02 06:15:11,017 INFO L226 Difference]: Without dead ends: 18419 [2018-12-02 06:15:11,032 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3443 GetRequests, 3425 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2018-12-02 06:15:11,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18419 states. [2018-12-02 06:15:11,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18419 to 18239. [2018-12-02 06:15:11,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18239 states. [2018-12-02 06:15:11,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18239 states to 18239 states and 19033 transitions. [2018-12-02 06:15:11,206 INFO L78 Accepts]: Start accepts. Automaton has 18239 states and 19033 transitions. Word has length 1711 [2018-12-02 06:15:11,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:15:11,207 INFO L480 AbstractCegarLoop]: Abstraction has 18239 states and 19033 transitions. [2018-12-02 06:15:11,207 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 06:15:11,207 INFO L276 IsEmpty]: Start isEmpty. Operand 18239 states and 19033 transitions. [2018-12-02 06:15:11,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1811 [2018-12-02 06:15:11,228 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:15:11,229 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 06:15:11,229 INFO L423 AbstractCegarLoop]: === Iteration 22 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:15:11,229 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:15:11,229 INFO L82 PathProgramCache]: Analyzing trace with hash -1289558300, now seen corresponding path program 1 times [2018-12-02 06:15:11,229 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:15:11,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:15:11,230 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:15:11,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:15:11,230 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:15:11,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:15:12,285 INFO L134 CoverageAnalysis]: Checked inductivity of 7085 backedges. 1372 proven. 427 refuted. 0 times theorem prover too weak. 5286 trivial. 0 not checked. [2018-12-02 06:15:12,286 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:15:12,286 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:15:12,286 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1811 with the following transitions: [2018-12-02 06:15:12,286 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [613], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [671], [672], [675], [676], [680], [684], [688], [692], [696], [699], [704], [706], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [857], [862], [864], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [927], [932], [934], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1194], [1197], [1201], [1202], [1206], [1209], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1432], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-02 06:15:12,289 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:15:12,289 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:15:13,206 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 06:15:13,206 INFO L272 AbstractInterpreter]: Visited 299 different actions 1465 times. Merged at 11 different actions 43 times. Never widened. Performed 20033 root evaluator evaluations with a maximum evaluation depth of 19. Performed 20033 inverse root evaluator evaluations with a maximum inverse evaluation depth of 19. Found 22 fixpoints after 7 different actions. Largest state had 24 variables. [2018-12-02 06:15:13,208 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:15:13,208 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 06:15:13,208 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:15:13,208 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7b77ca98-890d-4e73-a487-fa31a00a0775/bin-2019/utaipan/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 06:15:13,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:15:13,214 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 06:15:13,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:15:13,433 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:15:14,225 INFO L134 CoverageAnalysis]: Checked inductivity of 7085 backedges. 4382 proven. 2 refuted. 0 times theorem prover too weak. 2701 trivial. 0 not checked. [2018-12-02 06:15:14,226 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:15:15,247 INFO L134 CoverageAnalysis]: Checked inductivity of 7085 backedges. 1372 proven. 427 refuted. 0 times theorem prover too weak. 5286 trivial. 0 not checked. [2018-12-02 06:15:15,263 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 06:15:15,264 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 11 [2018-12-02 06:15:15,264 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 06:15:15,264 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 06:15:15,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 06:15:15,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-02 06:15:15,265 INFO L87 Difference]: Start difference. First operand 18239 states and 19033 transitions. Second operand 8 states. [2018-12-02 06:15:17,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:15:17,732 INFO L93 Difference]: Finished difference Result 41774 states and 43841 transitions. [2018-12-02 06:15:17,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-02 06:15:17,732 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1810 [2018-12-02 06:15:17,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:15:17,759 INFO L225 Difference]: With dead ends: 41774 [2018-12-02 06:15:17,760 INFO L226 Difference]: Without dead ends: 23852 [2018-12-02 06:15:17,774 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3641 GetRequests, 3623 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2018-12-02 06:15:17,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23852 states. [2018-12-02 06:15:17,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23852 to 19488. [2018-12-02 06:15:17,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19488 states. [2018-12-02 06:15:17,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19488 states to 19488 states and 20318 transitions. [2018-12-02 06:15:17,973 INFO L78 Accepts]: Start accepts. Automaton has 19488 states and 20318 transitions. Word has length 1810 [2018-12-02 06:15:17,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:15:17,973 INFO L480 AbstractCegarLoop]: Abstraction has 19488 states and 20318 transitions. [2018-12-02 06:15:17,973 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 06:15:17,973 INFO L276 IsEmpty]: Start isEmpty. Operand 19488 states and 20318 transitions. [2018-12-02 06:15:17,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1910 [2018-12-02 06:15:17,997 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 06:15:17,997 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-02 06:15:17,997 INFO L423 AbstractCegarLoop]: === Iteration 23 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 06:15:17,997 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:15:17,997 INFO L82 PathProgramCache]: Analyzing trace with hash -1599291574, now seen corresponding path program 1 times [2018-12-02 06:15:17,997 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 06:15:17,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:15:17,998 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:15:17,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 06:15:17,998 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 06:15:18,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:15:19,217 INFO L134 CoverageAnalysis]: Checked inductivity of 7461 backedges. 1777 proven. 375 refuted. 0 times theorem prover too weak. 5309 trivial. 0 not checked. [2018-12-02 06:15:19,218 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:15:19,218 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 06:15:19,218 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1910 with the following transitions: [2018-12-02 06:15:19,218 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [613], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [671], [672], [675], [676], [680], [684], [688], [692], [696], [699], [704], [706], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [857], [862], [864], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1194], [1197], [1201], [1202], [1206], [1209], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1386], [1391], [1393], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1432], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-02 06:15:19,220 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 06:15:19,221 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 06:15:20,120 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 06:15:20,121 INFO L272 AbstractInterpreter]: Visited 299 different actions 1466 times. Merged at 11 different actions 44 times. Never widened. Performed 20037 root evaluator evaluations with a maximum evaluation depth of 19. Performed 20037 inverse root evaluator evaluations with a maximum inverse evaluation depth of 19. Found 22 fixpoints after 7 different actions. Largest state had 24 variables. [2018-12-02 06:15:20,122 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 06:15:20,122 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 06:15:20,122 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 06:15:20,122 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7b77ca98-890d-4e73-a487-fa31a00a0775/bin-2019/utaipan/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 06:15:20,129 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 06:15:20,129 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 06:15:20,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 06:15:20,341 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 06:15:21,256 INFO L134 CoverageAnalysis]: Checked inductivity of 7461 backedges. 4256 proven. 2 refuted. 0 times theorem prover too weak. 3203 trivial. 0 not checked. [2018-12-02 06:15:21,256 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 06:15:22,480 INFO L134 CoverageAnalysis]: Checked inductivity of 7461 backedges. 1777 proven. 375 refuted. 0 times theorem prover too weak. 5309 trivial. 0 not checked. [2018-12-02 06:15:22,495 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 06:15:22,496 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 11 [2018-12-02 06:15:22,496 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 06:15:22,497 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 06:15:22,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 06:15:22,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-02 06:15:22,497 INFO L87 Difference]: Start difference. First operand 19488 states and 20318 transitions. Second operand 8 states. [2018-12-02 06:15:25,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 06:15:25,300 INFO L93 Difference]: Finished difference Result 38665 states and 40481 transitions. [2018-12-02 06:15:25,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-02 06:15:25,301 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1909 [2018-12-02 06:15:25,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 06:15:25,302 INFO L225 Difference]: With dead ends: 38665 [2018-12-02 06:15:25,302 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 06:15:25,320 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3838 GetRequests, 3820 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2018-12-02 06:15:25,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 06:15:25,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 06:15:25,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 06:15:25,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 06:15:25,320 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1909 [2018-12-02 06:15:25,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 06:15:25,321 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 06:15:25,321 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 06:15:25,321 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 06:15:25,321 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 06:15:25,324 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 06:15:25,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:25,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:25,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:25,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:25,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:25,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:25,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:25,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:25,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:25,758 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:25,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:25,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:25,775 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:25,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:25,778 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:25,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:25,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:25,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:25,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:25,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:25,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:25,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:25,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:25,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:25,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:25,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:25,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:25,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:25,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:25,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:25,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:25,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:25,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:25,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:25,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:25,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:25,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:25,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:25,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:25,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:25,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:25,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:25,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:25,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,010 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,075 WARN L180 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 326 [2018-12-02 06:15:26,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,110 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,247 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,267 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,282 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,289 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,375 WARN L180 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 328 [2018-12-02 06:15:26,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:26,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 06:15:35,924 WARN L180 SmtUtils]: Spent 9.28 s on a formula simplification. DAG size of input: 540 DAG size of output: 180 [2018-12-02 06:15:45,978 WARN L180 SmtUtils]: Spent 10.04 s on a formula simplification. DAG size of input: 537 DAG size of output: 178 [2018-12-02 06:15:50,081 WARN L180 SmtUtils]: Spent 4.08 s on a formula simplification. DAG size of input: 331 DAG size of output: 90 [2018-12-02 06:15:52,522 WARN L180 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 334 DAG size of output: 90 [2018-12-02 06:15:59,304 WARN L180 SmtUtils]: Spent 6.77 s on a formula simplification. DAG size of input: 568 DAG size of output: 192 [2018-12-02 06:15:59,306 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 06:15:59,306 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a29~0 |old(~a29~0)|) (= ~a2~0 |old(~a2~0)|) (or (<= (+ ~a4~0 86) 0) (<= 0 (+ |old(~a4~0)| 85))) (= ~a0~0 |old(~a0~0)|)) [2018-12-02 06:15:59,306 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 06:15:59,306 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1658 1758) no Hoare annotation was computed. [2018-12-02 06:15:59,306 INFO L448 ceAbstractionStarter]: For program point L1749(lines 1749 1756) no Hoare annotation was computed. [2018-12-02 06:15:59,306 INFO L448 ceAbstractionStarter]: For program point L1729(lines 1729 1756) no Hoare annotation was computed. [2018-12-02 06:15:59,306 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1658 1758) the Hoare annotation is: (let ((.cse29 (+ ~a4~0 86))) (let ((.cse10 (<= (+ |old(~a4~0)| 86) 0)) (.cse18 (not (= 2 |old(~a2~0)|))) (.cse31 (= 3 |old(~a2~0)|)) (.cse5 (<= (+ |old(~a29~0)| 144) 0)) (.cse19 (<= 0 (+ |old(~a4~0)| 85))) (.cse27 (< (+ ~a4~0 85) 0)) (.cse30 (+ |old(~a0~0)| 98)) (.cse0 (= ~a29~0 |old(~a29~0)|)) (.cse8 (< 0 .cse29)) (.cse24 (= |old(~a2~0)| ~a2~0)) (.cse1 (= ~a0~0 |old(~a0~0)|)) (.cse28 (+ |old(~a0~0)| 44))) (let ((.cse9 (= 2 ~a2~0)) (.cse20 (< .cse28 0)) (.cse11 (= 1 ~a2~0)) (.cse12 (not (= |old(~a2~0)| 1))) (.cse23 (and .cse0 .cse8 .cse24 .cse1)) (.cse26 (< 0 (+ |old(~a0~0)| 61))) (.cse2 (not (= 4 |old(~a2~0)|))) (.cse14 (<= .cse30 0)) (.cse15 (and .cse0 .cse24 .cse1)) (.cse13 (exists ((v_~a0~0_1001 Int)) (let ((.cse33 (* 9 v_~a0~0_1001))) (and (<= 0 .cse33) (<= v_~a0~0_1001 |old(~a0~0)|) (<= 556513 (div .cse33 10)))))) (.cse4 (not (= 5 |old(~a2~0)|))) (.cse16 (and .cse0 .cse24 .cse27 .cse1)) (.cse25 (or (< |old(~a2~0)| 2) .cse31 (exists ((v_prenex_11 Int)) (let ((.cse32 (* 9 v_prenex_11))) (and (<= 0 .cse32) (<= v_prenex_11 |old(~a0~0)|) (<= 588731 (div .cse32 10))))) .cse5 .cse19)) (.cse21 (not .cse31)) (.cse22 (= 3 ~a2~0)) (.cse3 (< 0 .cse30)) (.cse6 (< 0 (+ |old(~a0~0)| 107))) (.cse17 (forall ((v_prenex_21 Int)) (or (< (mod (+ v_prenex_21 43614) 299928) (+ |old(~a29~0)| 300071)) (< v_prenex_21 556242)))) (.cse7 (or .cse10 .cse18))) (and (or (and (and .cse0 (= 4 ~a2~0)) .cse1) (or .cse2 (< |old(~a29~0)| 44) .cse3)) (or .cse4 .cse5 .cse3 (and .cse0 .cse1 (= 5 ~a2~0))) (or .cse6 .cse7 (and .cse0 .cse8 .cse9)) (or .cse10 (and .cse0 .cse8 .cse11 .cse1) .cse3 .cse12) (or .cse2 .cse13 .cse14 .cse5 .cse15) (or .cse16 .cse13 .cse17 .cse18 .cse19) (or (or (or .cse20 .cse5) .cse13 .cse21) (and (and .cse0 .cse22) .cse1)) (or .cse10 .cse2 .cse6 .cse23) (or (or .cse5 .cse18) (and (and .cse0 .cse9) .cse1) .cse3) (or .cse10 .cse6 .cse4 .cse23) (or (or .cse10 .cse5) .cse12 (and (and .cse24 .cse8) .cse0 .cse1)) (or .cse13 .cse16 .cse25 (< 4 |old(~a2~0)|)) (or .cse26 (and .cse24 .cse0 .cse27 .cse1) .cse19) (or .cse2 .cse20 .cse13 .cse19 .cse16) (or (not (= 0 (+ |old(~a29~0)| 127))) (not (= 0 .cse28)) .cse12 (not (= 0 (+ |old(~a4~0)| 89))) (= (+ ~a4~0 89) 0)) (or .cse26 .cse10 .cse14 .cse5 (and .cse0 .cse8 .cse1 .cse22) .cse21) (or .cse13 (and .cse0 (or (<= .cse29 0) .cse19) .cse11 .cse1) .cse5 .cse12) (or .cse13 .cse19 .cse21 (and .cse0 .cse27 .cse1 .cse22)) (or .cse26 .cse10 .cse4 .cse14 .cse23 .cse5) (or (or .cse26 .cse2 .cse14) .cse15) (or .cse13 .cse4 .cse16 .cse25) (or .cse21 (and .cse0 .cse1 .cse22) .cse3) (or .cse6 .cse17 .cse7 .cse1))))) [2018-12-02 06:15:59,306 INFO L448 ceAbstractionStarter]: For program point L1742(lines 1742 1756) no Hoare annotation was computed. [2018-12-02 06:15:59,306 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1756) no Hoare annotation was computed. [2018-12-02 06:15:59,306 INFO L448 ceAbstractionStarter]: For program point L1672(lines 1672 1756) no Hoare annotation was computed. [2018-12-02 06:15:59,306 INFO L448 ceAbstractionStarter]: For program point L1701(lines 1701 1756) no Hoare annotation was computed. [2018-12-02 06:15:59,307 INFO L448 ceAbstractionStarter]: For program point L1668(lines 1668 1756) no Hoare annotation was computed. [2018-12-02 06:15:59,307 INFO L448 ceAbstractionStarter]: For program point L1722(lines 1722 1756) no Hoare annotation was computed. [2018-12-02 06:15:59,307 INFO L448 ceAbstractionStarter]: For program point L1685(lines 1685 1756) no Hoare annotation was computed. [2018-12-02 06:15:59,307 INFO L448 ceAbstractionStarter]: For program point L1710(lines 1710 1721) no Hoare annotation was computed. [2018-12-02 06:15:59,307 INFO L448 ceAbstractionStarter]: For program point L1710-2(lines 1710 1721) no Hoare annotation was computed. [2018-12-02 06:15:59,307 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1658 1758) no Hoare annotation was computed. [2018-12-02 06:15:59,307 INFO L448 ceAbstractionStarter]: For program point L1706(lines 1706 1756) no Hoare annotation was computed. [2018-12-02 06:15:59,307 INFO L448 ceAbstractionStarter]: For program point L1735(lines 1735 1756) no Hoare annotation was computed. [2018-12-02 06:15:59,307 INFO L448 ceAbstractionStarter]: For program point L1694(lines 1694 1756) no Hoare annotation was computed. [2018-12-02 06:15:59,307 INFO L448 ceAbstractionStarter]: For program point L1661(lines 1661 1756) no Hoare annotation was computed. [2018-12-02 06:15:59,307 INFO L448 ceAbstractionStarter]: For program point L1686(lines 1686 1693) no Hoare annotation was computed. [2018-12-02 06:15:59,307 INFO L448 ceAbstractionStarter]: For program point L1686-2(lines 1686 1693) no Hoare annotation was computed. [2018-12-02 06:15:59,307 INFO L448 ceAbstractionStarter]: For program point L1678(lines 1678 1756) no Hoare annotation was computed. [2018-12-02 06:15:59,307 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,307 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,307 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,307 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,307 INFO L448 ceAbstractionStarter]: For program point L895(lines 895 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,307 INFO L448 ceAbstractionStarter]: For program point L829(lines 829 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,307 INFO L448 ceAbstractionStarter]: For program point L433(lines 433 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,307 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,307 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-02 06:15:59,307 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-02 06:15:59,307 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-02 06:15:59,307 INFO L448 ceAbstractionStarter]: For program point L830(lines 830 839) no Hoare annotation was computed. [2018-12-02 06:15:59,307 INFO L448 ceAbstractionStarter]: For program point L830-2(lines 830 839) no Hoare annotation was computed. [2018-12-02 06:15:59,308 INFO L448 ceAbstractionStarter]: For program point L1623(lines 1623 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,308 INFO L448 ceAbstractionStarter]: For program point L1359(lines 1359 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,308 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,308 INFO L448 ceAbstractionStarter]: For program point L1162(lines 1162 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,308 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,308 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,308 INFO L448 ceAbstractionStarter]: For program point L1030(lines 1030 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,308 INFO L448 ceAbstractionStarter]: For program point L634(lines 634 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,308 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,308 INFO L448 ceAbstractionStarter]: For program point L502(lines 502 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,308 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-02 06:15:59,308 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-02 06:15:59,308 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-02 06:15:59,308 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,308 INFO L448 ceAbstractionStarter]: For program point L1494(lines 1494 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,308 INFO L448 ceAbstractionStarter]: For program point L1098(lines 1098 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,308 INFO L448 ceAbstractionStarter]: For program point L966(lines 966 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,308 INFO L448 ceAbstractionStarter]: For program point L768(lines 768 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,308 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,308 INFO L448 ceAbstractionStarter]: For program point L1231(lines 1231 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,308 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,309 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,309 INFO L448 ceAbstractionStarter]: For program point L1099(lines 1099 1107) no Hoare annotation was computed. [2018-12-02 06:15:59,309 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,309 INFO L448 ceAbstractionStarter]: For program point L1099-2(lines 1099 1107) no Hoare annotation was computed. [2018-12-02 06:15:59,309 INFO L448 ceAbstractionStarter]: For program point L901(lines 901 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,309 INFO L448 ceAbstractionStarter]: For program point L439(lines 439 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,309 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,309 INFO L448 ceAbstractionStarter]: For program point L307(lines 307 319) no Hoare annotation was computed. [2018-12-02 06:15:59,309 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,309 INFO L448 ceAbstractionStarter]: For program point L307-2(lines 307 319) no Hoare annotation was computed. [2018-12-02 06:15:59,309 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-02 06:15:59,309 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-02 06:15:59,309 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-02 06:15:59,309 INFO L448 ceAbstractionStarter]: For program point L1629(lines 1629 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,310 INFO L448 ceAbstractionStarter]: For program point L1431(lines 1431 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,310 INFO L448 ceAbstractionStarter]: For program point L1365(lines 1365 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,310 INFO L448 ceAbstractionStarter]: For program point L1035(lines 1035 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,310 INFO L448 ceAbstractionStarter]: For program point L507(lines 507 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,310 INFO L448 ceAbstractionStarter]: For program point L1300(lines 1300 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,310 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,310 INFO L448 ceAbstractionStarter]: For program point L1168(lines 1168 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,310 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,310 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,310 INFO L448 ceAbstractionStarter]: For program point L574(lines 574 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,310 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-02 06:15:59,310 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-02 06:15:59,310 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-02 06:15:59,310 INFO L448 ceAbstractionStarter]: For program point L707(lines 707 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,310 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,310 INFO L448 ceAbstractionStarter]: For program point L575(lines 575 586) no Hoare annotation was computed. [2018-12-02 06:15:59,311 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,311 INFO L448 ceAbstractionStarter]: For program point L575-2(lines 575 586) no Hoare annotation was computed. [2018-12-02 06:15:59,311 INFO L448 ceAbstractionStarter]: For program point L1038(lines 1038 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,311 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,311 INFO L448 ceAbstractionStarter]: For program point L774(lines 774 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,311 INFO L448 ceAbstractionStarter]: For program point L642(lines 642 651) no Hoare annotation was computed. [2018-12-02 06:15:59,311 INFO L448 ceAbstractionStarter]: For program point L642-2(lines 642 651) no Hoare annotation was computed. [2018-12-02 06:15:59,311 INFO L448 ceAbstractionStarter]: For program point L1501(lines 1501 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,311 INFO L448 ceAbstractionStarter]: For program point L1237(lines 1237 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,311 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,311 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,311 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,311 INFO L448 ceAbstractionStarter]: For program point L973(lines 973 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,311 INFO L448 ceAbstractionStarter]: For program point L907(lines 907 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,311 INFO L448 ceAbstractionStarter]: For program point L445(lines 445 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,312 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,312 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-02 06:15:59,312 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,312 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-02 06:15:59,312 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-02 06:15:59,312 INFO L448 ceAbstractionStarter]: For program point L1635(lines 1635 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,312 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,312 INFO L448 ceAbstractionStarter]: For program point L1371(lines 1371 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,312 INFO L448 ceAbstractionStarter]: For program point L1570(lines 1570 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,312 INFO L448 ceAbstractionStarter]: For program point L1438(lines 1438 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,312 INFO L448 ceAbstractionStarter]: For program point L1306(lines 1306 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,312 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,312 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,312 INFO L448 ceAbstractionStarter]: For program point L1108(lines 1108 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,312 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,313 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,313 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,313 INFO L448 ceAbstractionStarter]: For program point L1571(lines 1571 1581) no Hoare annotation was computed. [2018-12-02 06:15:59,313 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,313 INFO L448 ceAbstractionStarter]: For program point L1571-2(lines 1571 1581) no Hoare annotation was computed. [2018-12-02 06:15:59,313 INFO L448 ceAbstractionStarter]: For program point L1439(lines 1439 1448) no Hoare annotation was computed. [2018-12-02 06:15:59,313 INFO L448 ceAbstractionStarter]: For program point L1439-2(lines 1439 1448) no Hoare annotation was computed. [2018-12-02 06:15:59,313 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-02 06:15:59,313 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-02 06:15:59,313 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-02 06:15:59,313 INFO L448 ceAbstractionStarter]: For program point L845(lines 845 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,313 INFO L448 ceAbstractionStarter]: For program point L779(lines 779 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,313 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,313 INFO L448 ceAbstractionStarter]: For program point L1044(lines 1044 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,313 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,313 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,313 INFO L448 ceAbstractionStarter]: For program point L1243(lines 1243 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,313 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,313 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,314 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,314 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,314 INFO L448 ceAbstractionStarter]: For program point L1640(lines 1640 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,314 INFO L448 ceAbstractionStarter]: For program point L1508(lines 1508 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,314 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,314 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-02 06:15:59,314 INFO L448 ceAbstractionStarter]: For program point L1178(lines 1178 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,314 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-02 06:15:59,314 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-02 06:15:59,314 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,314 INFO L448 ceAbstractionStarter]: For program point L1378(lines 1378 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,314 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,314 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,314 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,314 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,314 INFO L448 ceAbstractionStarter]: For program point L652(lines 652 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,314 INFO L448 ceAbstractionStarter]: For program point L520(lines 520 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,314 INFO L448 ceAbstractionStarter]: For program point L1511(lines 1511 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,314 INFO L448 ceAbstractionStarter]: For program point L1313(lines 1313 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,314 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-02 06:15:59,314 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-02 06:15:59,314 INFO L448 ceAbstractionStarter]: For program point L1115(lines 1115 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,314 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-02 06:15:59,314 INFO L448 ceAbstractionStarter]: For program point L1049(lines 1049 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,314 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,314 INFO L448 ceAbstractionStarter]: For program point L587(lines 587 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,314 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 528) no Hoare annotation was computed. [2018-12-02 06:15:59,315 INFO L448 ceAbstractionStarter]: For program point L521-2(lines 521 528) no Hoare annotation was computed. [2018-12-02 06:15:59,315 INFO L448 ceAbstractionStarter]: For program point L1050(lines 1050 1061) no Hoare annotation was computed. [2018-12-02 06:15:59,315 INFO L448 ceAbstractionStarter]: For program point L1050-2(lines 1050 1061) no Hoare annotation was computed. [2018-12-02 06:15:59,315 INFO L448 ceAbstractionStarter]: For program point L786(lines 786 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,315 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1656) the Hoare annotation is: (let ((.cse28 (+ ~a4~0 86))) (let ((.cse10 (<= (+ |old(~a4~0)| 86) 0)) (.cse18 (not (= 2 |old(~a2~0)|))) (.cse31 (= 3 |old(~a2~0)|)) (.cse5 (<= (+ |old(~a29~0)| 144) 0)) (.cse19 (<= 0 (+ |old(~a4~0)| 85))) (.cse27 (< (+ ~a4~0 85) 0)) (.cse30 (+ |old(~a0~0)| 98)) (.cse0 (= ~a29~0 |old(~a29~0)|)) (.cse8 (< 0 .cse28)) (.cse24 (= |old(~a2~0)| ~a2~0)) (.cse1 (= ~a0~0 |old(~a0~0)|)) (.cse29 (+ |old(~a0~0)| 44))) (let ((.cse9 (= 2 ~a2~0)) (.cse20 (< .cse29 0)) (.cse11 (= 1 ~a2~0)) (.cse23 (and .cse0 .cse8 .cse24 .cse1)) (.cse12 (not (= |old(~a2~0)| 1))) (.cse26 (< 0 (+ |old(~a0~0)| 61))) (.cse2 (not (= 4 |old(~a2~0)|))) (.cse14 (<= .cse30 0)) (.cse15 (and .cse0 .cse24 .cse1)) (.cse13 (exists ((v_~a0~0_1001 Int)) (let ((.cse33 (* 9 v_~a0~0_1001))) (and (<= 0 .cse33) (<= v_~a0~0_1001 |old(~a0~0)|) (<= 556513 (div .cse33 10)))))) (.cse4 (not (= 5 |old(~a2~0)|))) (.cse16 (and .cse0 .cse24 .cse27 .cse1)) (.cse25 (or (< |old(~a2~0)| 2) .cse31 (exists ((v_prenex_11 Int)) (let ((.cse32 (* 9 v_prenex_11))) (and (<= 0 .cse32) (<= v_prenex_11 |old(~a0~0)|) (<= 588731 (div .cse32 10))))) .cse5 .cse19)) (.cse21 (not .cse31)) (.cse22 (= 3 ~a2~0)) (.cse3 (< 0 .cse30)) (.cse6 (< 0 (+ |old(~a0~0)| 107))) (.cse17 (forall ((v_prenex_21 Int)) (or (< (mod (+ v_prenex_21 43614) 299928) (+ |old(~a29~0)| 300071)) (< v_prenex_21 556242)))) (.cse7 (or .cse10 .cse18))) (and (or (and (and .cse0 (= 4 ~a2~0)) .cse1) (or .cse2 (< |old(~a29~0)| 44) .cse3)) (or .cse4 .cse5 .cse3 (and .cse0 .cse1 (= 5 ~a2~0))) (or .cse6 .cse7 (and .cse0 .cse8 .cse9)) (or .cse10 (and .cse0 .cse8 .cse11 .cse1) .cse3 .cse12) (or .cse2 .cse13 .cse14 .cse5 .cse15) (or .cse16 .cse13 .cse17 .cse18 .cse19) (or (or (or .cse20 .cse5) .cse13 .cse21) (and (and .cse0 .cse22) .cse1)) (or .cse10 .cse2 .cse6 .cse23) (or (or .cse5 .cse18) (and (and .cse0 .cse9) .cse1) .cse3) (or .cse10 .cse6 .cse4 .cse23) (or (or .cse10 .cse5) .cse12 (and (and .cse24 .cse8) .cse0 .cse1)) (or .cse13 .cse16 .cse25 (< 4 |old(~a2~0)|)) (or .cse26 (and .cse24 .cse0 .cse27 .cse1) .cse19) (or .cse2 .cse20 .cse13 .cse19 .cse16) (or .cse26 .cse10 .cse14 .cse5 (and .cse0 .cse8 .cse1 .cse22) .cse21) (or .cse13 (and .cse0 (or (<= .cse28 0) .cse19) .cse11 .cse1) .cse5 .cse12) (or .cse13 .cse19 .cse21 (and .cse0 .cse27 .cse1 .cse22)) (or .cse26 .cse10 .cse4 .cse14 .cse23 .cse5) (or (not (= 0 (+ |old(~a29~0)| 127))) (= |calculate_output_#in~input| 0) (not (= 0 .cse29)) (= (+ ~a4~0 89) 0) .cse12 (not (= 0 (+ |old(~a4~0)| 89)))) (or (or .cse26 .cse2 .cse14) .cse15) (or .cse13 .cse4 .cse16 .cse25) (or .cse21 (and .cse0 .cse1 .cse22) .cse3) (or .cse6 .cse17 .cse7 .cse1))))) [2018-12-02 06:15:59,315 INFO L448 ceAbstractionStarter]: For program point L456(lines 456 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,315 INFO L448 ceAbstractionStarter]: For program point L390(lines 390 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,315 INFO L448 ceAbstractionStarter]: For program point L1249(lines 1249 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,315 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,315 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,315 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,315 INFO L448 ceAbstractionStarter]: For program point L985(lines 985 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,315 INFO L448 ceAbstractionStarter]: For program point L919(lines 919 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,315 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 169) no Hoare annotation was computed. [2018-12-02 06:15:59,315 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 402) no Hoare annotation was computed. [2018-12-02 06:15:59,315 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 391 402) no Hoare annotation was computed. [2018-12-02 06:15:59,315 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-02 06:15:59,316 INFO L448 ceAbstractionStarter]: For program point L1184(lines 1184 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,316 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-02 06:15:59,316 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-02 06:15:59,316 INFO L448 ceAbstractionStarter]: For program point L1647(lines 1647 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,316 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,316 INFO L448 ceAbstractionStarter]: For program point L1317(lines 1317 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,316 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,316 INFO L448 ceAbstractionStarter]: For program point L855(lines 855 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,316 INFO L448 ceAbstractionStarter]: For program point L657(lines 657 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,316 INFO L448 ceAbstractionStarter]: For program point L1582(lines 1582 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,316 INFO L448 ceAbstractionStarter]: For program point L1516(lines 1516 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,316 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,316 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,316 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,316 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,316 INFO L448 ceAbstractionStarter]: For program point L1385(lines 1385 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,316 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-02 06:15:59,316 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-02 06:15:59,316 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-02 06:15:59,316 INFO L448 ceAbstractionStarter]: For program point L725(lines 725 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,316 INFO L448 ceAbstractionStarter]: For program point L1122(lines 1122 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,316 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,316 INFO L448 ceAbstractionStarter]: For program point L462(lines 462 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,316 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,316 INFO L448 ceAbstractionStarter]: For program point L1255(lines 1255 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,316 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,317 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,317 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,317 INFO L448 ceAbstractionStarter]: For program point L925(lines 925 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,317 INFO L448 ceAbstractionStarter]: For program point L793(lines 793 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,317 INFO L448 ceAbstractionStarter]: For program point L595(lines 595 605) no Hoare annotation was computed. [2018-12-02 06:15:59,317 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,317 INFO L448 ceAbstractionStarter]: For program point L595-2(lines 595 605) no Hoare annotation was computed. [2018-12-02 06:15:59,317 INFO L448 ceAbstractionStarter]: For program point L1388(lines 1388 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,317 INFO L448 ceAbstractionStarter]: For program point L1322(lines 1322 1332) no Hoare annotation was computed. [2018-12-02 06:15:59,317 INFO L448 ceAbstractionStarter]: For program point L1322-2(lines 1322 1332) no Hoare annotation was computed. [2018-12-02 06:15:59,317 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-02 06:15:59,317 INFO L448 ceAbstractionStarter]: For program point L1190(lines 1190 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,317 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-02 06:15:59,317 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-02 06:15:59,317 INFO L448 ceAbstractionStarter]: For program point L992(lines 992 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,317 INFO L448 ceAbstractionStarter]: For program point L794(lines 794 803) no Hoare annotation was computed. [2018-12-02 06:15:59,317 INFO L448 ceAbstractionStarter]: For program point L794-2(lines 794 803) no Hoare annotation was computed. [2018-12-02 06:15:59,317 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,317 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 541) no Hoare annotation was computed. [2018-12-02 06:15:59,317 INFO L448 ceAbstractionStarter]: For program point L530-2(lines 530 541) no Hoare annotation was computed. [2018-12-02 06:15:59,317 INFO L448 ceAbstractionStarter]: For program point L266(lines 266 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,317 INFO L448 ceAbstractionStarter]: For program point L1522(lines 1522 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,317 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,317 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,317 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,317 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,317 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,318 INFO L448 ceAbstractionStarter]: For program point L862(lines 862 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,318 INFO L444 ceAbstractionStarter]: At program point L1655(line 1655) the Hoare annotation is: (let ((.cse28 (+ ~a4~0 86))) (let ((.cse9 (<= (+ |old(~a4~0)| 86) 0)) (.cse19 (not (= 2 |old(~a2~0)|))) (.cse30 (+ |old(~a0~0)| 98)) (.cse31 (= 3 |old(~a2~0)|)) (.cse12 (<= (+ |old(~a29~0)| 144) 0)) (.cse16 (<= 0 (+ |old(~a4~0)| 85))) (.cse13 (< (+ ~a4~0 85) 0)) (.cse0 (= ~a29~0 |old(~a29~0)|)) (.cse7 (< 0 .cse28)) (.cse26 (= |old(~a2~0)| ~a2~0)) (.cse1 (= ~a0~0 |old(~a0~0)|)) (.cse29 (+ |old(~a0~0)| 44))) (let ((.cse8 (= 2 ~a2~0)) (.cse25 (< .cse29 0)) (.cse3 (< |old(~a29~0)| 44)) (.cse18 (and .cse0 .cse7 .cse26 .cse1)) (.cse10 (= 1 ~a2~0)) (.cse21 (and .cse0 .cse26 .cse13 .cse1)) (.cse15 (exists ((v_~a0~0_1001 Int)) (let ((.cse33 (* 9 v_~a0~0_1001))) (and (<= 0 .cse33) (<= v_~a0~0_1001 |old(~a0~0)|) (<= 556513 (div .cse33 10)))))) (.cse20 (not (= 5 |old(~a2~0)|))) (.cse22 (or (< |old(~a2~0)| 2) .cse31 (exists ((v_prenex_11 Int)) (let ((.cse32 (* 9 v_prenex_11))) (and (<= 0 .cse32) (<= v_prenex_11 |old(~a0~0)|) (<= 588731 (div .cse32 10))))) .cse12 .cse16)) (.cse27 (< 0 (+ |old(~a0~0)| 61))) (.cse2 (not (= 4 |old(~a2~0)|))) (.cse23 (<= .cse30 0)) (.cse24 (and .cse0 .cse26 .cse1)) (.cse17 (not .cse31)) (.cse14 (= 3 ~a2~0)) (.cse4 (< 0 .cse30)) (.cse5 (< 0 (+ |old(~a0~0)| 107))) (.cse6 (or .cse9 .cse19)) (.cse11 (not (= |old(~a2~0)| 1)))) (and (or (and (and .cse0 (= 4 ~a2~0)) .cse1) (or .cse2 .cse3 .cse4)) (or .cse5 .cse6 (and .cse0 .cse7 .cse8)) (or .cse9 (and .cse0 .cse7 .cse10 .cse1) .cse4 .cse11) (or (or .cse9 .cse12) (and .cse1 (and .cse7 .cse0 (= ~a2~0 |old(~a2~0)|))) .cse11) (or (and .cse0 .cse13 .cse1 .cse14) .cse15 .cse16 .cse17) (or .cse9 .cse2 .cse5 .cse18) (or (or .cse12 .cse19) (and (and .cse0 .cse8) .cse1) .cse4) (or .cse9 .cse5 .cse20 .cse18) (or .cse15 .cse21 .cse22 (< 4 |old(~a2~0)|)) (or .cse2 .cse15 .cse23 .cse24 .cse12) (or .cse21 .cse2 .cse25 .cse15 .cse16) (or (and (and .cse26 .cse0) .cse1) (or (or .cse25 .cse12) .cse15 .cse17)) (or .cse27 (and .cse26 .cse0 .cse13 .cse1) .cse16) (or .cse27 .cse9 .cse23 .cse12 (and .cse0 .cse7 .cse1 .cse14) .cse17) (or .cse20 .cse12 .cse4 (and .cse0 (= 5 ~a2~0) .cse1)) (or .cse3 .cse15 .cse20 .cse22 (or (not (= calculate_output_~input 6)) (<= (+ ~a0~0 61) 0))) (or .cse27 .cse9 .cse20 .cse23 .cse18 .cse12) (or .cse15 .cse21 .cse19 .cse16) (or (and .cse0 (or (<= .cse28 0) .cse16) .cse10 .cse1) .cse15 .cse12 .cse11) (or .cse21 .cse15 .cse20 .cse22) (or (or .cse27 .cse2 .cse23) .cse24) (or .cse17 (and .cse0 .cse1 .cse14) .cse4) (or .cse5 (forall ((v_prenex_21 Int)) (or (< (mod (+ v_prenex_21 43614) 299928) (+ |old(~a29~0)| 300071)) (< v_prenex_21 556242))) .cse6 .cse1) (or (not (= 0 (+ |old(~a29~0)| 127))) (= |calculate_output_#in~input| 0) (not (= 0 .cse29)) .cse11 (not (= 0 (+ |old(~a4~0)| 89))) (and (not (= calculate_output_~input 0)) (= (+ ~a4~0 89) 0))))))) [2018-12-02 06:15:59,318 INFO L448 ceAbstractionStarter]: For program point L1655-1(line 1655) no Hoare annotation was computed. [2018-12-02 06:15:59,318 INFO L448 ceAbstractionStarter]: For program point L1589(lines 1589 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,318 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-02 06:15:59,318 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-02 06:15:59,318 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-02 06:15:59,318 INFO L448 ceAbstractionStarter]: For program point L1128(lines 1128 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,318 INFO L448 ceAbstractionStarter]: For program point L1062(lines 1062 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,318 INFO L448 ceAbstractionStarter]: For program point L930(lines 930 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,318 INFO L448 ceAbstractionStarter]: For program point L732(lines 732 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,318 INFO L448 ceAbstractionStarter]: For program point L468(lines 468 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,318 INFO L448 ceAbstractionStarter]: For program point L336(lines 336 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,318 INFO L448 ceAbstractionStarter]: For program point L1261(lines 1261 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,318 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,318 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,318 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,319 INFO L448 ceAbstractionStarter]: For program point L1063(lines 1063 1073) no Hoare annotation was computed. [2018-12-02 06:15:59,319 INFO L448 ceAbstractionStarter]: For program point L1063-2(lines 1063 1073) no Hoare annotation was computed. [2018-12-02 06:15:59,319 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,319 INFO L448 ceAbstractionStarter]: For program point L1394(lines 1394 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,319 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-12-02 06:15:59,319 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-02 06:15:59,319 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-02 06:15:59,319 INFO L448 ceAbstractionStarter]: For program point L998(lines 998 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,319 INFO L448 ceAbstractionStarter]: For program point L668(lines 668 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,319 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,319 INFO L448 ceAbstractionStarter]: For program point L1395(lines 1395 1407) no Hoare annotation was computed. [2018-12-02 06:15:59,319 INFO L448 ceAbstractionStarter]: For program point L1395-2(lines 1395 1407) no Hoare annotation was computed. [2018-12-02 06:15:59,319 INFO L448 ceAbstractionStarter]: For program point L1197(lines 1197 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,319 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,319 INFO L448 ceAbstractionStarter]: For program point L1528(lines 1528 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,319 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,319 INFO L448 ceAbstractionStarter]: For program point L1264(lines 1264 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,319 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,319 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,319 INFO L448 ceAbstractionStarter]: For program point L868(lines 868 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,319 INFO L448 ceAbstractionStarter]: For program point L1595(lines 1595 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,319 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-02 06:15:59,319 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-02 06:15:59,319 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,319 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,320 INFO L448 ceAbstractionStarter]: For program point L1134(lines 1134 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,320 INFO L448 ceAbstractionStarter]: For program point L804(lines 804 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,320 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,320 INFO L448 ceAbstractionStarter]: For program point L474(lines 474 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,320 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,320 INFO L448 ceAbstractionStarter]: For program point L342(lines 342 349) no Hoare annotation was computed. [2018-12-02 06:15:59,320 INFO L448 ceAbstractionStarter]: For program point L1333(lines 1333 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,320 INFO L448 ceAbstractionStarter]: For program point L342-2(lines 342 349) no Hoare annotation was computed. [2018-12-02 06:15:59,320 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,320 INFO L448 ceAbstractionStarter]: For program point L1135(lines 1135 1144) no Hoare annotation was computed. [2018-12-02 06:15:59,320 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,320 INFO L448 ceAbstractionStarter]: For program point L1135-2(lines 1135 1144) no Hoare annotation was computed. [2018-12-02 06:15:59,320 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,320 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-02 06:15:59,320 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-02 06:15:59,320 INFO L448 ceAbstractionStarter]: For program point L1004(lines 1004 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,320 INFO L448 ceAbstractionStarter]: For program point L542(lines 542 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,320 INFO L448 ceAbstractionStarter]: For program point L1533(lines 1533 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,320 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,320 INFO L448 ceAbstractionStarter]: For program point L1203(lines 1203 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,320 INFO L448 ceAbstractionStarter]: For program point L675(lines 675 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,320 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,320 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,320 INFO L448 ceAbstractionStarter]: For program point L874(lines 874 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,320 INFO L448 ceAbstractionStarter]: For program point L742(lines 742 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,320 INFO L448 ceAbstractionStarter]: For program point L1271(lines 1271 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,321 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,321 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-02 06:15:59,321 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-02 06:15:59,321 INFO L448 ceAbstractionStarter]: For program point L1602(lines 1602 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,321 INFO L448 ceAbstractionStarter]: For program point L479(lines 479 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,321 INFO L448 ceAbstractionStarter]: For program point L1338(lines 1338 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,321 INFO L448 ceAbstractionStarter]: For program point L1074(lines 1074 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,321 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,321 INFO L448 ceAbstractionStarter]: For program point L546(lines 546 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,321 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,321 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,321 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,321 INFO L448 ceAbstractionStarter]: For program point L811(lines 811 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,321 INFO L448 ceAbstractionStarter]: For program point L613(lines 613 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,321 INFO L448 ceAbstractionStarter]: For program point L547(lines 547 556) no Hoare annotation was computed. [2018-12-02 06:15:59,321 INFO L448 ceAbstractionStarter]: For program point L547-2(lines 547 556) no Hoare annotation was computed. [2018-12-02 06:15:59,321 INFO L448 ceAbstractionStarter]: For program point L415(lines 415 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,321 INFO L448 ceAbstractionStarter]: For program point L1208(lines 1208 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,321 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-02 06:15:59,321 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-02 06:15:59,321 INFO L448 ceAbstractionStarter]: For program point L1473(lines 1473 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,321 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,321 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,321 INFO L448 ceAbstractionStarter]: For program point L681(lines 681 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,321 INFO L448 ceAbstractionStarter]: For program point L1606(lines 1606 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,321 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,321 INFO L448 ceAbstractionStarter]: For program point L1408(lines 1408 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,322 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,322 INFO L448 ceAbstractionStarter]: For program point L219(lines 219 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,322 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,322 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,322 INFO L448 ceAbstractionStarter]: For program point L880(lines 880 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,322 INFO L448 ceAbstractionStarter]: For program point L748(lines 748 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,322 INFO L448 ceAbstractionStarter]: For program point L1277(lines 1277 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,322 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 228) no Hoare annotation was computed. [2018-12-02 06:15:59,322 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-02 06:15:59,322 INFO L448 ceAbstractionStarter]: For program point L220-2(lines 220 228) no Hoare annotation was computed. [2018-12-02 06:15:59,322 INFO L448 ceAbstractionStarter]: For program point L1145(lines 1145 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,322 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-02 06:15:59,322 INFO L448 ceAbstractionStarter]: For program point L1344(lines 1344 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,322 INFO L448 ceAbstractionStarter]: For program point L1212(lines 1212 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,322 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,322 INFO L448 ceAbstractionStarter]: For program point L486(lines 486 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,322 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,322 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,322 INFO L448 ceAbstractionStarter]: For program point L1081(lines 1081 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,322 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-12-02 06:15:59,322 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,322 INFO L448 ceAbstractionStarter]: For program point L817(lines 817 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,322 INFO L448 ceAbstractionStarter]: For program point L1478(lines 1478 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,322 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,322 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-02 06:15:59,322 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-02 06:15:59,322 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-02 06:15:59,323 INFO L448 ceAbstractionStarter]: For program point L1016(lines 1016 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,323 INFO L448 ceAbstractionStarter]: For program point L620(lines 620 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,323 INFO L448 ceAbstractionStarter]: For program point L422(lines 422 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,323 INFO L448 ceAbstractionStarter]: For program point L1413(lines 1413 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,323 INFO L448 ceAbstractionStarter]: For program point L885(lines 885 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,323 INFO L448 ceAbstractionStarter]: For program point L687(lines 687 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,323 INFO L448 ceAbstractionStarter]: For program point L1612(lines 1612 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,323 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,323 INFO L448 ceAbstractionStarter]: For program point L1150(lines 1150 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,323 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,323 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,323 INFO L448 ceAbstractionStarter]: For program point L886(lines 886 894) no Hoare annotation was computed. [2018-12-02 06:15:59,323 INFO L448 ceAbstractionStarter]: For program point L886-2(lines 886 894) no Hoare annotation was computed. [2018-12-02 06:15:59,323 INFO L448 ceAbstractionStarter]: For program point L754(lines 754 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,323 INFO L448 ceAbstractionStarter]: For program point L1613(lines 1613 1622) no Hoare annotation was computed. [2018-12-02 06:15:59,323 INFO L448 ceAbstractionStarter]: For program point L1547(lines 1547 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,323 INFO L448 ceAbstractionStarter]: For program point L1613-2(lines 1613 1622) no Hoare annotation was computed. [2018-12-02 06:15:59,323 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,323 INFO L448 ceAbstractionStarter]: For program point L1283(lines 1283 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,323 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-02 06:15:59,323 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-02 06:15:59,323 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-02 06:15:59,323 INFO L448 ceAbstractionStarter]: For program point L1019(lines 1019 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,323 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,323 INFO L448 ceAbstractionStarter]: For program point L491(lines 491 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,323 INFO L448 ceAbstractionStarter]: For program point L1482(lines 1482 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,323 INFO L448 ceAbstractionStarter]: For program point L1350(lines 1350 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,323 INFO L448 ceAbstractionStarter]: For program point L1218(lines 1218 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,324 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,324 INFO L448 ceAbstractionStarter]: For program point L558(lines 558 568) no Hoare annotation was computed. [2018-12-02 06:15:59,324 INFO L448 ceAbstractionStarter]: For program point L558-2(lines 558 568) no Hoare annotation was computed. [2018-12-02 06:15:59,324 INFO L448 ceAbstractionStarter]: For program point L1351(lines 1351 1358) no Hoare annotation was computed. [2018-12-02 06:15:59,324 INFO L448 ceAbstractionStarter]: For program point L1351-2(lines 1351 1358) no Hoare annotation was computed. [2018-12-02 06:15:59,324 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,324 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,324 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,324 INFO L448 ceAbstractionStarter]: For program point L955(lines 955 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,324 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,324 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,324 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-02 06:15:59,324 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-02 06:15:59,324 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-02 06:15:59,324 INFO L448 ceAbstractionStarter]: For program point L824(lines 824 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,324 INFO L448 ceAbstractionStarter]: For program point L428(lines 428 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,324 INFO L448 ceAbstractionStarter]: For program point L1419(lines 1419 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,324 INFO L448 ceAbstractionStarter]: For program point L693(lines 693 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,324 INFO L448 ceAbstractionStarter]: For program point L627(lines 627 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,324 INFO L448 ceAbstractionStarter]: For program point L1420(lines 1420 1430) no Hoare annotation was computed. [2018-12-02 06:15:59,324 INFO L448 ceAbstractionStarter]: For program point L1420-2(lines 1420 1430) no Hoare annotation was computed. [2018-12-02 06:15:59,324 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,324 INFO L448 ceAbstractionStarter]: For program point L1156(lines 1156 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,324 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,324 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 06:15:59,324 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 706) no Hoare annotation was computed. [2018-12-02 06:15:59,325 INFO L448 ceAbstractionStarter]: For program point L694-2(lines 694 706) no Hoare annotation was computed. [2018-12-02 06:15:59,325 INFO L448 ceAbstractionStarter]: For program point L1289(lines 1289 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,325 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-02 06:15:59,325 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-02 06:15:59,325 INFO L448 ceAbstractionStarter]: For program point L1091(lines 1091 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,325 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-02 06:15:59,325 INFO L448 ceAbstractionStarter]: For program point L959(lines 959 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,325 INFO L448 ceAbstractionStarter]: For program point L761(lines 761 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,325 INFO L448 ceAbstractionStarter]: For program point L1554(lines 1554 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,325 INFO L448 ceAbstractionStarter]: For program point L497(lines 497 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,325 INFO L448 ceAbstractionStarter]: For program point L1488(lines 1488 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,325 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,325 INFO L448 ceAbstractionStarter]: For program point L1290(lines 1290 1299) no Hoare annotation was computed. [2018-12-02 06:15:59,325 INFO L448 ceAbstractionStarter]: For program point L1224(lines 1224 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,325 INFO L448 ceAbstractionStarter]: For program point L1290-2(lines 1290 1299) no Hoare annotation was computed. [2018-12-02 06:15:59,325 INFO L448 ceAbstractionStarter]: For program point L1026(lines 1026 1654) no Hoare annotation was computed. [2018-12-02 06:15:59,325 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 06:15:59,326 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= (+ ~a0~0 44) 0) (= (+ ~a4~0 89) 0) (= 1 ~a2~0) (= (+ ~a29~0 127) 0)) [2018-12-02 06:15:59,326 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 06:15:59,326 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 06:15:59,326 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1760 1776) the Hoare annotation is: (or (not (= 0 (+ |old(~a29~0)| 127))) (not (= 0 (+ |old(~a0~0)| 44))) (not (= |old(~a2~0)| 1)) (not (= 0 (+ |old(~a4~0)| 89))) (and (= (+ ~a4~0 89) 0) (= 1 ~a2~0) (= ~a0~0 |old(~a0~0)|) (= (+ ~a29~0 127) 0))) [2018-12-02 06:15:59,326 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1760 1776) no Hoare annotation was computed. [2018-12-02 06:15:59,326 INFO L444 ceAbstractionStarter]: At program point L1774(line 1774) the Hoare annotation is: (let ((.cse14 (+ ~a0~0 98))) (let ((.cse8 (= 1 ~a2~0)) (.cse1 (= 3 ~a2~0)) (.cse7 (< 0 .cse14)) (.cse2 (<= (+ ~a0~0 61) 0)) (.cse12 (<= 0 (+ ~a0~0 44))) (.cse3 (<= .cse14 0)) (.cse6 (= 4 ~a2~0)) (.cse4 (= 2 ~a2~0)) (.cse5 (forall ((v_~a0~0_1001 Int)) (let ((.cse13 (* 9 v_~a0~0_1001))) (or (< (div .cse13 10) 556513) (< .cse13 0) (< ~a0~0 v_~a0~0_1001))))) (.cse0 (< 0 (+ ~a29~0 144))) (.cse9 (< (+ ~a4~0 85) 0)) (.cse11 (= 5 ~a2~0)) (.cse10 (<= (+ ~a0~0 107) 0))) (or (and (and .cse0 .cse1) .cse2) (and .cse3 .cse0 .cse4) (not (= 0 (+ |old(~a0~0)| 44))) (and .cse5 .cse6 .cse0 .cse7) (and (and .cse0 (< 0 (+ ~a4~0 86))) .cse8) (and .cse5 .cse9 .cse1) (and .cse3 .cse8) (and .cse5 .cse0 .cse8) (and .cse9 .cse2) (not (= 0 (+ |old(~a4~0)| 89))) (and .cse5 .cse4 .cse9) (and .cse3 .cse1) (and .cse6 .cse10) (and .cse11 .cse2 .cse0) (and .cse5 (and .cse0 .cse12) .cse1) (not (= 0 (+ |old(~a29~0)| 127))) (and (and .cse7 .cse6) .cse2) (and .cse5 .cse12 .cse6 .cse9) (and .cse3 .cse6 (<= 44 ~a29~0)) (and .cse4 .cse10) (and .cse5 .cse11 .cse0 .cse9) (not (= |old(~a2~0)| 1)) (and .cse11 .cse10)))) [2018-12-02 06:15:59,326 INFO L448 ceAbstractionStarter]: For program point L1774-1(line 1774) no Hoare annotation was computed. [2018-12-02 06:15:59,326 INFO L448 ceAbstractionStarter]: For program point L1771(line 1771) no Hoare annotation was computed. [2018-12-02 06:15:59,326 INFO L444 ceAbstractionStarter]: At program point L1766-2(lines 1766 1775) the Hoare annotation is: (let ((.cse14 (+ ~a0~0 98))) (let ((.cse8 (= 1 ~a2~0)) (.cse1 (= 3 ~a2~0)) (.cse7 (< 0 .cse14)) (.cse2 (<= (+ ~a0~0 61) 0)) (.cse12 (<= 0 (+ ~a0~0 44))) (.cse3 (<= .cse14 0)) (.cse6 (= 4 ~a2~0)) (.cse4 (= 2 ~a2~0)) (.cse5 (forall ((v_~a0~0_1001 Int)) (let ((.cse13 (* 9 v_~a0~0_1001))) (or (< (div .cse13 10) 556513) (< .cse13 0) (< ~a0~0 v_~a0~0_1001))))) (.cse0 (< 0 (+ ~a29~0 144))) (.cse9 (< (+ ~a4~0 85) 0)) (.cse11 (= 5 ~a2~0)) (.cse10 (<= (+ ~a0~0 107) 0))) (or (and (and .cse0 .cse1) .cse2) (and .cse3 .cse0 .cse4) (not (= 0 (+ |old(~a0~0)| 44))) (and .cse5 .cse6 .cse0 .cse7) (and (and .cse0 (< 0 (+ ~a4~0 86))) .cse8) (and .cse5 .cse9 .cse1) (and .cse3 .cse8) (and .cse5 .cse0 .cse8) (and .cse9 .cse2) (not (= 0 (+ |old(~a4~0)| 89))) (and .cse5 .cse4 .cse9) (and .cse3 .cse1) (and .cse6 .cse10) (and .cse11 .cse2 .cse0) (and .cse5 (and .cse0 .cse12) .cse1) (not (= 0 (+ |old(~a29~0)| 127))) (and (and .cse7 .cse6) .cse2) (and .cse5 .cse12 .cse6 .cse9) (and .cse3 .cse6 (<= 44 ~a29~0)) (and .cse4 .cse10) (and .cse5 .cse11 .cse0 .cse9) (not (= |old(~a2~0)| 1)) (and .cse11 .cse10)))) [2018-12-02 06:15:59,326 INFO L448 ceAbstractionStarter]: For program point L1766-3(lines 1760 1776) no Hoare annotation was computed. [2018-12-02 06:15:59,330 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,331 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,331 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,331 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,331 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,332 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,332 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,332 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,332 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,333 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,333 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,333 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,333 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,333 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,334 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,334 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,334 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,334 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,334 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,334 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,335 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,340 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,340 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,340 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,340 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,341 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,341 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,341 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,341 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,341 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,342 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,342 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,342 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,342 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,343 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,343 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,343 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,343 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,343 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,343 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,343 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,343 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:15:59 BoogieIcfgContainer [2018-12-02 06:15:59,345 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 06:15:59,345 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 06:15:59,345 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 06:15:59,345 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 06:15:59,346 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:12:50" (3/4) ... [2018-12-02 06:15:59,347 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 06:15:59,351 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 06:15:59,351 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-12-02 06:15:59,351 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-02 06:15:59,351 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 06:15:59,362 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-02 06:15:59,363 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 06:15:59,379 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((0 < a29 + 144 && 3 == a2) && a0 + 61 <= 0) || ((a0 + 98 <= 0 && 0 < a29 + 144) && 2 == a2)) || !(0 == \old(a0) + 44)) || ((((forall v_~a0~0_1001 : int :: (9 * v_~a0~0_1001 / 10 < 556513 || 9 * v_~a0~0_1001 < 0) || a0 < v_~a0~0_1001) && 4 == a2) && 0 < a29 + 144) && 0 < a0 + 98)) || ((0 < a29 + 144 && 0 < a4 + 86) && 1 == a2)) || (((forall v_~a0~0_1001 : int :: (9 * v_~a0~0_1001 / 10 < 556513 || 9 * v_~a0~0_1001 < 0) || a0 < v_~a0~0_1001) && a4 + 85 < 0) && 3 == a2)) || (a0 + 98 <= 0 && 1 == a2)) || (((forall v_~a0~0_1001 : int :: (9 * v_~a0~0_1001 / 10 < 556513 || 9 * v_~a0~0_1001 < 0) || a0 < v_~a0~0_1001) && 0 < a29 + 144) && 1 == a2)) || (a4 + 85 < 0 && a0 + 61 <= 0)) || !(0 == \old(a4) + 89)) || (((forall v_~a0~0_1001 : int :: (9 * v_~a0~0_1001 / 10 < 556513 || 9 * v_~a0~0_1001 < 0) || a0 < v_~a0~0_1001) && 2 == a2) && a4 + 85 < 0)) || (a0 + 98 <= 0 && 3 == a2)) || (4 == a2 && a0 + 107 <= 0)) || ((5 == a2 && a0 + 61 <= 0) && 0 < a29 + 144)) || (((forall v_~a0~0_1001 : int :: (9 * v_~a0~0_1001 / 10 < 556513 || 9 * v_~a0~0_1001 < 0) || a0 < v_~a0~0_1001) && 0 < a29 + 144 && 0 <= a0 + 44) && 3 == a2)) || !(0 == \old(a29) + 127)) || ((0 < a0 + 98 && 4 == a2) && a0 + 61 <= 0)) || ((((forall v_~a0~0_1001 : int :: (9 * v_~a0~0_1001 / 10 < 556513 || 9 * v_~a0~0_1001 < 0) || a0 < v_~a0~0_1001) && 0 <= a0 + 44) && 4 == a2) && a4 + 85 < 0)) || ((a0 + 98 <= 0 && 4 == a2) && 44 <= a29)) || (2 == a2 && a0 + 107 <= 0)) || ((((forall v_~a0~0_1001 : int :: (9 * v_~a0~0_1001 / 10 < 556513 || 9 * v_~a0~0_1001 < 0) || a0 < v_~a0~0_1001) && 5 == a2) && 0 < a29 + 144) && a4 + 85 < 0)) || !(\old(a2) == 1)) || (5 == a2 && a0 + 107 <= 0) [2018-12-02 06:15:59,484 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7b77ca98-890d-4e73-a487-fa31a00a0775/bin-2019/utaipan/witness.graphml [2018-12-02 06:15:59,484 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 06:15:59,485 INFO L168 Benchmark]: Toolchain (without parser) took 191639.89 ms. Allocated memory was 1.0 GB in the beginning and 4.9 GB in the end (delta: 3.9 GB). Free memory was 950.6 MB in the beginning and 2.7 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. [2018-12-02 06:15:59,486 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 06:15:59,486 INFO L168 Benchmark]: CACSL2BoogieTranslator took 586.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -110.9 MB). Peak memory consumption was 88.2 MB. Max. memory is 11.5 GB. [2018-12-02 06:15:59,486 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.07 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 06:15:59,487 INFO L168 Benchmark]: Boogie Preprocessor took 67.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2018-12-02 06:15:59,487 INFO L168 Benchmark]: RCFGBuilder took 1641.28 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 89.7 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -130.0 MB). Peak memory consumption was 297.5 MB. Max. memory is 11.5 GB. [2018-12-02 06:15:59,487 INFO L168 Benchmark]: TraceAbstraction took 189175.74 ms. Allocated memory was 1.2 GB in the beginning and 4.9 GB in the end (delta: 3.7 GB). Free memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: -1.5 GB). Peak memory consumption was 4.3 GB. Max. memory is 11.5 GB. [2018-12-02 06:15:59,487 INFO L168 Benchmark]: Witness Printer took 139.38 ms. Allocated memory is still 4.9 GB. Free memory was 2.7 GB in the beginning and 2.7 GB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 11.5 GB. [2018-12-02 06:15:59,489 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 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 586.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -110.9 MB). Peak memory consumption was 88.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.07 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 67.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1641.28 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 89.7 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -130.0 MB). Peak memory consumption was 297.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 189175.74 ms. Allocated memory was 1.2 GB in the beginning and 4.9 GB in the end (delta: 3.7 GB). Free memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: -1.5 GB). Peak memory consumption was 4.3 GB. Max. memory is 11.5 GB. * Witness Printer took 139.38 ms. Allocated memory is still 4.9 GB. Free memory was 2.7 GB in the beginning and 2.7 GB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. 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_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 169]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1766]: Loop Invariant [2018-12-02 06:15:59,492 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,493 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,493 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,493 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,493 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,493 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,494 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,494 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,494 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,494 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,494 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,494 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,495 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,495 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,495 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,495 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,495 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,495 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,496 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,496 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,496 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,496 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,497 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,497 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,497 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,497 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,497 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,498 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,498 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,498 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,498 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,498 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,498 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,499 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,499 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,499 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,499 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,499 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,499 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,499 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,500 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] [2018-12-02 06:15:59,500 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1001,QUANTIFIED] Derived loop invariant: (((((((((((((((((((((((0 < a29 + 144 && 3 == a2) && a0 + 61 <= 0) || ((a0 + 98 <= 0 && 0 < a29 + 144) && 2 == a2)) || !(0 == \old(a0) + 44)) || ((((forall v_~a0~0_1001 : int :: (9 * v_~a0~0_1001 / 10 < 556513 || 9 * v_~a0~0_1001 < 0) || a0 < v_~a0~0_1001) && 4 == a2) && 0 < a29 + 144) && 0 < a0 + 98)) || ((0 < a29 + 144 && 0 < a4 + 86) && 1 == a2)) || (((forall v_~a0~0_1001 : int :: (9 * v_~a0~0_1001 / 10 < 556513 || 9 * v_~a0~0_1001 < 0) || a0 < v_~a0~0_1001) && a4 + 85 < 0) && 3 == a2)) || (a0 + 98 <= 0 && 1 == a2)) || (((forall v_~a0~0_1001 : int :: (9 * v_~a0~0_1001 / 10 < 556513 || 9 * v_~a0~0_1001 < 0) || a0 < v_~a0~0_1001) && 0 < a29 + 144) && 1 == a2)) || (a4 + 85 < 0 && a0 + 61 <= 0)) || !(0 == \old(a4) + 89)) || (((forall v_~a0~0_1001 : int :: (9 * v_~a0~0_1001 / 10 < 556513 || 9 * v_~a0~0_1001 < 0) || a0 < v_~a0~0_1001) && 2 == a2) && a4 + 85 < 0)) || (a0 + 98 <= 0 && 3 == a2)) || (4 == a2 && a0 + 107 <= 0)) || ((5 == a2 && a0 + 61 <= 0) && 0 < a29 + 144)) || (((forall v_~a0~0_1001 : int :: (9 * v_~a0~0_1001 / 10 < 556513 || 9 * v_~a0~0_1001 < 0) || a0 < v_~a0~0_1001) && 0 < a29 + 144 && 0 <= a0 + 44) && 3 == a2)) || !(0 == \old(a29) + 127)) || ((0 < a0 + 98 && 4 == a2) && a0 + 61 <= 0)) || ((((forall v_~a0~0_1001 : int :: (9 * v_~a0~0_1001 / 10 < 556513 || 9 * v_~a0~0_1001 < 0) || a0 < v_~a0~0_1001) && 0 <= a0 + 44) && 4 == a2) && a4 + 85 < 0)) || ((a0 + 98 <= 0 && 4 == a2) && 44 <= a29)) || (2 == a2 && a0 + 107 <= 0)) || ((((forall v_~a0~0_1001 : int :: (9 * v_~a0~0_1001 / 10 < 556513 || 9 * v_~a0~0_1001 < 0) || a0 < v_~a0~0_1001) && 5 == a2) && 0 < a29 + 144) && a4 + 85 < 0)) || !(\old(a2) == 1)) || (5 == a2 && a0 + 107 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 437 locations, 1 error locations. SAFE Result, 189.1s OverallTime, 23 OverallIterations, 12 TraceHistogramMax, 85.5s AutomataDifference, 0.0s DeadEndRemovalTime, 33.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 3552 SDtfs, 26328 SDslu, 4028 SDs, 0 SdLazy, 56657 SolverSat, 8133 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 69.9s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 30465 GetRequests, 30128 SyntacticMatches, 41 SemanticMatches, 296 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1226 ImplicationChecksByTransitivity, 15.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23131occurred in iteration=19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 25.5s AbstIntTime, 18 AbstIntIterations, 1 AbstIntStrong, 0.9980171169826344 AbsIntWeakeningRatio, 0.10344827586206896 AbsIntAvgWeakeningVarsNumRemoved, 16.39463601532567 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.7s AutomataMinimizationTime, 23 MinimizatonAttempts, 12853 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 3451 PreInvPairs, 3695 NumberOfFragments, 3718 HoareAnnotationTreeSize, 3451 FomulaSimplifications, 158466 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 9 FomulaSimplificationsInter, 118496 FormulaSimplificationTreeSizeReductionInter, 32.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.7s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 31.3s InterpolantComputationTime, 30758 NumberOfCodeBlocks, 30758 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 45609 ConstructedInterpolants, 1147 QuantifiedInterpolants, 125815619 SizeOfPredicates, 30 NumberOfNonLiveVariables, 19744 ConjunctsInSsa, 102 ConjunctsInUnsatCore, 57 InterpolantComputations, 13 PerfectInterpolantSequences, 96031/101985 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...