./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label19_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_f56101c7-231a-4b5a-bd15-4add8efd3aee/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f56101c7-231a-4b5a-bd15-4add8efd3aee/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f56101c7-231a-4b5a-bd15-4add8efd3aee/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f56101c7-231a-4b5a-bd15-4add8efd3aee/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label19_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f56101c7-231a-4b5a-bd15-4add8efd3aee/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f56101c7-231a-4b5a-bd15-4add8efd3aee/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 edeea1f74999e0c407ee107c2e6c77e98295c642 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 14:54:35,259 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 14:54:35,260 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 14:54:35,265 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 14:54:35,266 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 14:54:35,266 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 14:54:35,267 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 14:54:35,268 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 14:54:35,268 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 14:54:35,269 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 14:54:35,269 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 14:54:35,269 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 14:54:35,270 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 14:54:35,270 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 14:54:35,271 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 14:54:35,271 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 14:54:35,272 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 14:54:35,272 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 14:54:35,273 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 14:54:35,274 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 14:54:35,275 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 14:54:35,275 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 14:54:35,276 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 14:54:35,276 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 14:54:35,277 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 14:54:35,277 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 14:54:35,278 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 14:54:35,278 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 14:54:35,278 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 14:54:35,279 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 14:54:35,279 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 14:54:35,279 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 14:54:35,279 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 14:54:35,280 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 14:54:35,280 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 14:54:35,281 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 14:54:35,281 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f56101c7-231a-4b5a-bd15-4add8efd3aee/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 14:54:35,288 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 14:54:35,288 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 14:54:35,288 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 14:54:35,289 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 14:54:35,289 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 14:54:35,289 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 14:54:35,289 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 14:54:35,289 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 14:54:35,289 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 14:54:35,289 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 14:54:35,290 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 14:54:35,290 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 14:54:35,290 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 14:54:35,290 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 14:54:35,290 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 14:54:35,290 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 14:54:35,291 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 14:54:35,291 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 14:54:35,291 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 14:54:35,291 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 14:54:35,291 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 14:54:35,291 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 14:54:35,291 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 14:54:35,292 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 14:54:35,292 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 14:54:35,292 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 14:54:35,292 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 14:54:35,292 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 14:54:35,292 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 14:54:35,292 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 14:54:35,292 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 14:54:35,293 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 14:54:35,293 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 14:54:35,293 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 14:54:35,293 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 14:54:35,293 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 14:54:35,293 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_f56101c7-231a-4b5a-bd15-4add8efd3aee/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 -> edeea1f74999e0c407ee107c2e6c77e98295c642 [2018-12-02 14:54:35,311 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 14:54:35,318 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 14:54:35,320 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 14:54:35,321 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 14:54:35,322 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 14:54:35,322 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f56101c7-231a-4b5a-bd15-4add8efd3aee/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem15_label19_true-unreach-call.c [2018-12-02 14:54:35,358 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f56101c7-231a-4b5a-bd15-4add8efd3aee/bin-2019/utaipan/data/0d808f10d/5cffcf1c54a3407d9ad8c1dabb24cf61/FLAG73ae44488 [2018-12-02 14:54:35,898 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 14:54:35,898 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f56101c7-231a-4b5a-bd15-4add8efd3aee/sv-benchmarks/c/eca-rers2012/Problem15_label19_true-unreach-call.c [2018-12-02 14:54:35,907 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f56101c7-231a-4b5a-bd15-4add8efd3aee/bin-2019/utaipan/data/0d808f10d/5cffcf1c54a3407d9ad8c1dabb24cf61/FLAG73ae44488 [2018-12-02 14:54:36,405 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f56101c7-231a-4b5a-bd15-4add8efd3aee/bin-2019/utaipan/data/0d808f10d/5cffcf1c54a3407d9ad8c1dabb24cf61 [2018-12-02 14:54:36,411 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 14:54:36,413 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 14:54:36,415 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 14:54:36,415 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 14:54:36,420 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 14:54:36,420 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:54:36" (1/1) ... [2018-12-02 14:54:36,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ec9f2fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:36, skipping insertion in model container [2018-12-02 14:54:36,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:54:36" (1/1) ... [2018-12-02 14:54:36,430 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 14:54:36,471 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 14:54:36,801 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:54:36,804 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 14:54:37,009 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:54:37,019 INFO L195 MainTranslator]: Completed translation [2018-12-02 14:54:37,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:37 WrapperNode [2018-12-02 14:54:37,019 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 14:54:37,019 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 14:54:37,020 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 14:54:37,020 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 14:54:37,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:37" (1/1) ... [2018-12-02 14:54:37,044 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:37" (1/1) ... [2018-12-02 14:54:37,049 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 14:54:37,049 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 14:54:37,050 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 14:54:37,050 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 14:54:37,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:37" (1/1) ... [2018-12-02 14:54:37,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:37" (1/1) ... [2018-12-02 14:54:37,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:37" (1/1) ... [2018-12-02 14:54:37,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:37" (1/1) ... [2018-12-02 14:54:37,101 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:37" (1/1) ... [2018-12-02 14:54:37,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:37" (1/1) ... [2018-12-02 14:54:37,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:37" (1/1) ... [2018-12-02 14:54:37,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 14:54:37,138 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 14:54:37,138 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 14:54:37,138 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 14:54:37,139 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f56101c7-231a-4b5a-bd15-4add8efd3aee/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 14:54:37,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 14:54:37,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 14:54:37,172 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-12-02 14:54:37,173 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-12-02 14:54:37,173 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-02 14:54:37,173 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-02 14:54:37,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 14:54:37,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 14:54:37,173 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 14:54:37,173 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 14:54:38,738 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 14:54:38,738 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 14:54:38,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:54:38 BoogieIcfgContainer [2018-12-02 14:54:38,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 14:54:38,739 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 14:54:38,739 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 14:54:38,741 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 14:54:38,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:54:36" (1/3) ... [2018-12-02 14:54:38,741 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36f0376d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:54:38, skipping insertion in model container [2018-12-02 14:54:38,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:54:37" (2/3) ... [2018-12-02 14:54:38,741 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36f0376d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:54:38, skipping insertion in model container [2018-12-02 14:54:38,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:54:38" (3/3) ... [2018-12-02 14:54:38,743 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label19_true-unreach-call.c [2018-12-02 14:54:38,748 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 14:54:38,753 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 14:54:38,763 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 14:54:38,783 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 14:54:38,783 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 14:54:38,784 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 14:54:38,784 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 14:54:38,784 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 14:54:38,784 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 14:54:38,784 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 14:54:38,784 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 14:54:38,800 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states. [2018-12-02 14:54:38,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-02 14:54:38,804 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:54:38,804 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] [2018-12-02 14:54:38,806 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:54:38,809 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:54:38,809 INFO L82 PathProgramCache]: Analyzing trace with hash 1728507445, now seen corresponding path program 1 times [2018-12-02 14:54:38,810 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 14:54:38,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:54:38,839 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:54:38,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:54:38,839 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 14:54:38,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:54:38,966 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 14:54:38,967 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:54:38,967 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 14:54:38,967 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 14:54:38,970 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 14:54:38,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 14:54:38,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 14:54:38,980 INFO L87 Difference]: Start difference. First operand 437 states. Second operand 4 states. [2018-12-02 14:54:41,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:54:41,279 INFO L93 Difference]: Finished difference Result 1554 states and 2845 transitions. [2018-12-02 14:54:41,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 14:54:41,280 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2018-12-02 14:54:41,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:54:41,291 INFO L225 Difference]: With dead ends: 1554 [2018-12-02 14:54:41,292 INFO L226 Difference]: Without dead ends: 1036 [2018-12-02 14:54:41,296 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 14:54:41,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2018-12-02 14:54:41,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 697. [2018-12-02 14:54:41,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 697 states. [2018-12-02 14:54:41,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 1188 transitions. [2018-12-02 14:54:41,345 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 1188 transitions. Word has length 51 [2018-12-02 14:54:41,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:54:41,345 INFO L480 AbstractCegarLoop]: Abstraction has 697 states and 1188 transitions. [2018-12-02 14:54:41,345 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 14:54:41,345 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 1188 transitions. [2018-12-02 14:54:41,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-02 14:54:41,348 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:54:41,348 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:54:41,348 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:54:41,348 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:54:41,348 INFO L82 PathProgramCache]: Analyzing trace with hash 882457234, now seen corresponding path program 1 times [2018-12-02 14:54:41,349 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 14:54:41,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:54:41,349 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:54:41,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:54:41,349 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 14:54:41,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:54:41,441 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:54:41,442 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:54:41,442 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 14:54:41,442 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 14:54:41,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 14:54:41,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 14:54:41,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 14:54:41,443 INFO L87 Difference]: Start difference. First operand 697 states and 1188 transitions. Second operand 5 states. [2018-12-02 14:54:43,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:54:43,766 INFO L93 Difference]: Finished difference Result 1740 states and 2976 transitions. [2018-12-02 14:54:43,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 14:54:43,766 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 120 [2018-12-02 14:54:43,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:54:43,771 INFO L225 Difference]: With dead ends: 1740 [2018-12-02 14:54:43,771 INFO L226 Difference]: Without dead ends: 1049 [2018-12-02 14:54:43,773 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 14:54:43,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1049 states. [2018-12-02 14:54:43,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1049 to 1029. [2018-12-02 14:54:43,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1029 states. [2018-12-02 14:54:43,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 1029 states and 1647 transitions. [2018-12-02 14:54:43,802 INFO L78 Accepts]: Start accepts. Automaton has 1029 states and 1647 transitions. Word has length 120 [2018-12-02 14:54:43,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:54:43,803 INFO L480 AbstractCegarLoop]: Abstraction has 1029 states and 1647 transitions. [2018-12-02 14:54:43,803 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 14:54:43,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1647 transitions. [2018-12-02 14:54:43,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-02 14:54:43,805 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:54:43,805 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:54:43,806 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:54:43,806 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:54:43,806 INFO L82 PathProgramCache]: Analyzing trace with hash 1243099509, now seen corresponding path program 1 times [2018-12-02 14:54:43,806 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 14:54:43,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:54:43,807 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:54:43,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:54:43,807 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 14:54:43,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:54:43,913 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:54:43,913 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:54:43,913 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 14:54:43,914 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 14:54:43,914 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 14:54:43,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 14:54:43,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-02 14:54:43,915 INFO L87 Difference]: Start difference. First operand 1029 states and 1647 transitions. Second operand 6 states. [2018-12-02 14:54:49,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:54:49,446 INFO L93 Difference]: Finished difference Result 3396 states and 5910 transitions. [2018-12-02 14:54:49,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 14:54:49,447 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 121 [2018-12-02 14:54:49,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:54:49,455 INFO L225 Difference]: With dead ends: 3396 [2018-12-02 14:54:49,455 INFO L226 Difference]: Without dead ends: 2373 [2018-12-02 14:54:49,458 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 14:54:49,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2373 states. [2018-12-02 14:54:49,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2373 to 2317. [2018-12-02 14:54:49,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2317 states. [2018-12-02 14:54:49,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2317 states to 2317 states and 3270 transitions. [2018-12-02 14:54:49,509 INFO L78 Accepts]: Start accepts. Automaton has 2317 states and 3270 transitions. Word has length 121 [2018-12-02 14:54:49,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:54:49,509 INFO L480 AbstractCegarLoop]: Abstraction has 2317 states and 3270 transitions. [2018-12-02 14:54:49,509 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 14:54:49,509 INFO L276 IsEmpty]: Start isEmpty. Operand 2317 states and 3270 transitions. [2018-12-02 14:54:49,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-02 14:54:49,511 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:54:49,511 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:54:49,511 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:54:49,511 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:54:49,511 INFO L82 PathProgramCache]: Analyzing trace with hash -1475497091, now seen corresponding path program 1 times [2018-12-02 14:54:49,512 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 14:54:49,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:54:49,512 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:54:49,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:54:49,513 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 14:54:49,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:54:49,609 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:54:49,609 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:54:49,609 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 14:54:49,609 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 14:54:49,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 14:54:49,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 14:54:49,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 14:54:49,610 INFO L87 Difference]: Start difference. First operand 2317 states and 3270 transitions. Second operand 6 states. [2018-12-02 14:54:51,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:54:51,922 INFO L93 Difference]: Finished difference Result 5976 states and 9228 transitions. [2018-12-02 14:54:51,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 14:54:51,923 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 125 [2018-12-02 14:54:51,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:54:51,939 INFO L225 Difference]: With dead ends: 5976 [2018-12-02 14:54:51,939 INFO L226 Difference]: Without dead ends: 3973 [2018-12-02 14:54:51,944 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 14:54:51,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3973 states. [2018-12-02 14:54:51,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3973 to 3931. [2018-12-02 14:54:51,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3931 states. [2018-12-02 14:54:52,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3931 states to 3931 states and 5811 transitions. [2018-12-02 14:54:52,004 INFO L78 Accepts]: Start accepts. Automaton has 3931 states and 5811 transitions. Word has length 125 [2018-12-02 14:54:52,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:54:52,005 INFO L480 AbstractCegarLoop]: Abstraction has 3931 states and 5811 transitions. [2018-12-02 14:54:52,005 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 14:54:52,005 INFO L276 IsEmpty]: Start isEmpty. Operand 3931 states and 5811 transitions. [2018-12-02 14:54:52,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-02 14:54:52,006 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:54:52,006 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:54:52,006 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:54:52,006 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:54:52,006 INFO L82 PathProgramCache]: Analyzing trace with hash -1652859948, now seen corresponding path program 1 times [2018-12-02 14:54:52,006 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 14:54:52,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:54:52,007 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:54:52,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:54:52,007 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 14:54:52,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:54:52,085 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:54:52,085 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 14:54:52,086 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 14:54:52,086 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 147 with the following transitions: [2018-12-02 14:54:52,087 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], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [691], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-02 14:54:52,113 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 14:54:52,113 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 14:54:52,552 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 14:54:52,553 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 14:54:52,558 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:54:52,558 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 14:54:52,558 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 14:54:52,559 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f56101c7-231a-4b5a-bd15-4add8efd3aee/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 14:54:52,566 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:54:52,567 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 14:54:52,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:54:52,606 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 14:54:55,159 WARN L180 SmtUtils]: Spent 882.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2018-12-02 14:54:56,429 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 3 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:54:56,429 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 14:54:56,479 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:54:56,495 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 14:54:56,495 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 6] total 11 [2018-12-02 14:54:56,495 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 14:54:56,496 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 14:54:56,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 14:54:56,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=78, Unknown=2, NotChecked=0, Total=110 [2018-12-02 14:54:56,496 INFO L87 Difference]: Start difference. First operand 3931 states and 5811 transitions. Second operand 3 states. [2018-12-02 14:54:57,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:54:57,700 INFO L93 Difference]: Finished difference Result 9739 states and 15166 transitions. [2018-12-02 14:54:57,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 14:54:57,700 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2018-12-02 14:54:57,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:54:57,716 INFO L225 Difference]: With dead ends: 9739 [2018-12-02 14:54:57,716 INFO L226 Difference]: Without dead ends: 6122 [2018-12-02 14:54:57,723 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 288 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=30, Invalid=78, Unknown=2, NotChecked=0, Total=110 [2018-12-02 14:54:57,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6122 states. [2018-12-02 14:54:57,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6122 to 6122. [2018-12-02 14:54:57,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6122 states. [2018-12-02 14:54:57,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6122 states to 6122 states and 8567 transitions. [2018-12-02 14:54:57,804 INFO L78 Accepts]: Start accepts. Automaton has 6122 states and 8567 transitions. Word has length 146 [2018-12-02 14:54:57,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:54:57,805 INFO L480 AbstractCegarLoop]: Abstraction has 6122 states and 8567 transitions. [2018-12-02 14:54:57,805 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 14:54:57,805 INFO L276 IsEmpty]: Start isEmpty. Operand 6122 states and 8567 transitions. [2018-12-02 14:54:57,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-12-02 14:54:57,807 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:54:57,807 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:54:57,807 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:54:57,808 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:54:57,808 INFO L82 PathProgramCache]: Analyzing trace with hash -424575840, now seen corresponding path program 1 times [2018-12-02 14:54:57,808 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 14:54:57,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:54:57,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:54:57,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:54:57,809 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 14:54:57,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:54:57,962 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:54:57,962 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 14:54:57,962 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 14:54:57,963 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 219 with the following transitions: [2018-12-02 14:54:57,963 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], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [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], [1056], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-02 14:54:57,968 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 14:54:57,968 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 14:54:58,095 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 14:54:58,095 INFO L272 AbstractInterpreter]: Visited 171 different actions 171 times. Never merged. Never widened. Performed 1937 root evaluator evaluations with a maximum evaluation depth of 9. Performed 1937 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Never found a fixpoint. Largest state had 24 variables. [2018-12-02 14:54:58,096 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:54:58,096 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 14:54:58,332 INFO L227 lantSequenceWeakener]: Weakened 212 states. On average, predicates are now at 77.96% of their original sizes. [2018-12-02 14:54:58,332 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 14:54:58,357 INFO L418 sIntCurrentIteration]: We unified 217 AI predicates to 217 [2018-12-02 14:54:58,357 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 14:54:58,357 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 14:54:58,357 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2018-12-02 14:54:58,357 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 14:54:58,358 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 14:54:58,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 14:54:58,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 14:54:58,358 INFO L87 Difference]: Start difference. First operand 6122 states and 8567 transitions. Second operand 6 states. [2018-12-02 14:55:30,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:55:30,067 INFO L93 Difference]: Finished difference Result 11931 states and 16792 transitions. [2018-12-02 14:55:30,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 14:55:30,067 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 218 [2018-12-02 14:55:30,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:55:30,078 INFO L225 Difference]: With dead ends: 11931 [2018-12-02 14:55:30,078 INFO L226 Difference]: Without dead ends: 6122 [2018-12-02 14:55:30,082 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 218 GetRequests, 213 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 14:55:30,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6122 states. [2018-12-02 14:55:30,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6122 to 6117. [2018-12-02 14:55:30,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6117 states. [2018-12-02 14:55:30,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6117 states to 6117 states and 8521 transitions. [2018-12-02 14:55:30,151 INFO L78 Accepts]: Start accepts. Automaton has 6117 states and 8521 transitions. Word has length 218 [2018-12-02 14:55:30,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:55:30,151 INFO L480 AbstractCegarLoop]: Abstraction has 6117 states and 8521 transitions. [2018-12-02 14:55:30,151 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 14:55:30,151 INFO L276 IsEmpty]: Start isEmpty. Operand 6117 states and 8521 transitions. [2018-12-02 14:55:30,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-12-02 14:55:30,154 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:55:30,154 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 14:55:30,154 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:55:30,154 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:55:30,154 INFO L82 PathProgramCache]: Analyzing trace with hash -1466719957, now seen corresponding path program 1 times [2018-12-02 14:55:30,155 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 14:55:30,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:55:30,155 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:55:30,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:55:30,155 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 14:55:30,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:55:30,305 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 89 proven. 89 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-02 14:55:30,306 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 14:55:30,306 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 14:55:30,306 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 275 with the following transitions: [2018-12-02 14:55:30,306 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], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [691], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [872], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-02 14:55:30,309 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 14:55:30,309 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 14:55:30,438 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 14:55:30,438 INFO L272 AbstractInterpreter]: Visited 137 different actions 397 times. Merged at 4 different actions 7 times. Never widened. Performed 4593 root evaluator evaluations with a maximum evaluation depth of 10. Performed 4593 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 14:55:30,443 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:55:30,444 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 14:55:30,444 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 14:55:30,444 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f56101c7-231a-4b5a-bd15-4add8efd3aee/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 14:55:30,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:55:30,452 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 14:55:30,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:55:30,498 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 14:55:30,536 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-02 14:55:30,536 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 14:55:30,685 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-02 14:55:30,700 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 14:55:30,700 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 5] total 9 [2018-12-02 14:55:30,700 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 14:55:30,701 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 14:55:30,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 14:55:30,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-12-02 14:55:30,701 INFO L87 Difference]: Start difference. First operand 6117 states and 8521 transitions. Second operand 5 states. [2018-12-02 14:55:32,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:55:32,476 INFO L93 Difference]: Finished difference Result 12616 states and 18336 transitions. [2018-12-02 14:55:32,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 14:55:32,477 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 274 [2018-12-02 14:55:32,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:55:32,487 INFO L225 Difference]: With dead ends: 12616 [2018-12-02 14:55:32,487 INFO L226 Difference]: Without dead ends: 5513 [2018-12-02 14:55:32,494 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 557 GetRequests, 546 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 14:55:32,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5513 states. [2018-12-02 14:55:32,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5513 to 5137. [2018-12-02 14:55:32,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5137 states. [2018-12-02 14:55:32,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5137 states to 5137 states and 6330 transitions. [2018-12-02 14:55:32,548 INFO L78 Accepts]: Start accepts. Automaton has 5137 states and 6330 transitions. Word has length 274 [2018-12-02 14:55:32,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:55:32,549 INFO L480 AbstractCegarLoop]: Abstraction has 5137 states and 6330 transitions. [2018-12-02 14:55:32,549 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 14:55:32,549 INFO L276 IsEmpty]: Start isEmpty. Operand 5137 states and 6330 transitions. [2018-12-02 14:55:32,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-12-02 14:55:32,551 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:55:32,551 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:55:32,551 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:55:32,551 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:55:32,551 INFO L82 PathProgramCache]: Analyzing trace with hash -1544909855, now seen corresponding path program 1 times [2018-12-02 14:55:32,551 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 14:55:32,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:55:32,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:55:32,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:55:32,552 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 14:55:32,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:55:32,715 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:55:32,715 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 14:55:32,715 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 14:55:32,715 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 289 with the following transitions: [2018-12-02 14:55:32,715 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], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [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 14:55:32,718 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 14:55:32,718 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 14:55:32,971 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 14:55:32,971 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 14:55:32,973 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:55:32,973 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 14:55:32,973 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 14:55:32,973 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f56101c7-231a-4b5a-bd15-4add8efd3aee/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 14:55:32,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:55:32,979 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 14:55:33,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:55:33,020 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 14:55:37,153 WARN L180 SmtUtils]: Spent 4.02 s on a formula simplification that was a NOOP. DAG size: 38 [2018-12-02 14:55:37,208 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 3 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:55:37,208 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 14:55:37,698 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:55:37,717 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 14:55:37,717 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 13 [2018-12-02 14:55:37,717 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 14:55:37,718 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 14:55:37,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 14:55:37,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-12-02 14:55:37,718 INFO L87 Difference]: Start difference. First operand 5137 states and 6330 transitions. Second operand 6 states. [2018-12-02 14:55:45,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:55:45,919 INFO L93 Difference]: Finished difference Result 13697 states and 17328 transitions. [2018-12-02 14:55:45,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 14:55:45,919 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 288 [2018-12-02 14:55:45,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:55:45,941 INFO L225 Difference]: With dead ends: 13697 [2018-12-02 14:55:45,941 INFO L226 Difference]: Without dead ends: 8560 [2018-12-02 14:55:45,949 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 584 GetRequests, 571 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-12-02 14:55:45,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8560 states. [2018-12-02 14:55:46,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8560 to 8241. [2018-12-02 14:55:46,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8241 states. [2018-12-02 14:55:46,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8241 states to 8241 states and 10375 transitions. [2018-12-02 14:55:46,043 INFO L78 Accepts]: Start accepts. Automaton has 8241 states and 10375 transitions. Word has length 288 [2018-12-02 14:55:46,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:55:46,044 INFO L480 AbstractCegarLoop]: Abstraction has 8241 states and 10375 transitions. [2018-12-02 14:55:46,044 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 14:55:46,044 INFO L276 IsEmpty]: Start isEmpty. Operand 8241 states and 10375 transitions. [2018-12-02 14:55:46,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2018-12-02 14:55:46,048 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:55:46,048 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 14:55:46,048 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:55:46,048 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:55:46,048 INFO L82 PathProgramCache]: Analyzing trace with hash -1088812881, now seen corresponding path program 1 times [2018-12-02 14:55:46,048 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 14:55:46,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:55:46,049 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:55:46,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:55:46,049 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 14:55:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:55:46,310 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 84 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:55:46,310 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 14:55:46,310 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 14:55:46,310 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 437 with the following transitions: [2018-12-02 14:55:46,311 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], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-02 14:55:46,313 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 14:55:46,313 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 14:55:49,003 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 14:55:49,003 INFO L272 AbstractInterpreter]: Visited 283 different actions 840 times. Merged at 6 different actions 13 times. Never widened. Performed 11637 root evaluator evaluations with a maximum evaluation depth of 20. Performed 11637 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-02 14:55:49,004 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:55:49,004 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 14:55:49,005 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 14:55:49,005 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f56101c7-231a-4b5a-bd15-4add8efd3aee/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 14:55:49,013 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:55:49,013 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 14:55:49,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:55:49,066 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 14:55:49,119 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-12-02 14:55:49,119 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 14:55:49,184 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-12-02 14:55:49,260 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-02 14:55:49,260 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 10 [2018-12-02 14:55:49,260 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 14:55:49,260 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 14:55:49,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 14:55:49,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-02 14:55:49,261 INFO L87 Difference]: Start difference. First operand 8241 states and 10375 transitions. Second operand 3 states. [2018-12-02 14:55:50,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:55:50,087 INFO L93 Difference]: Finished difference Result 19892 states and 25469 transitions. [2018-12-02 14:55:50,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 14:55:50,088 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 436 [2018-12-02 14:55:50,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:55:50,106 INFO L225 Difference]: With dead ends: 19892 [2018-12-02 14:55:50,106 INFO L226 Difference]: Without dead ends: 11964 [2018-12-02 14:55:50,114 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 883 GetRequests, 873 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-02 14:55:50,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11964 states. [2018-12-02 14:55:50,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11964 to 11346. [2018-12-02 14:55:50,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11346 states. [2018-12-02 14:55:50,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11346 states to 11346 states and 13934 transitions. [2018-12-02 14:55:50,221 INFO L78 Accepts]: Start accepts. Automaton has 11346 states and 13934 transitions. Word has length 436 [2018-12-02 14:55:50,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:55:50,222 INFO L480 AbstractCegarLoop]: Abstraction has 11346 states and 13934 transitions. [2018-12-02 14:55:50,222 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 14:55:50,222 INFO L276 IsEmpty]: Start isEmpty. Operand 11346 states and 13934 transitions. [2018-12-02 14:55:50,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2018-12-02 14:55:50,229 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:55:50,229 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:55:50,230 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:55:50,230 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:55:50,230 INFO L82 PathProgramCache]: Analyzing trace with hash 2021752828, now seen corresponding path program 1 times [2018-12-02 14:55:50,230 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 14:55:50,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:55:50,231 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:55:50,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:55:50,231 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 14:55:50,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:55:50,420 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 219 proven. 85 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2018-12-02 14:55:50,420 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 14:55:50,420 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 14:55:50,420 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 501 with the following transitions: [2018-12-02 14:55:50,420 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], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [644], [645], [649], [653], [657], [668], [671], [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 14:55:50,423 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 14:55:50,424 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 14:55:50,918 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 14:55:50,919 INFO L272 AbstractInterpreter]: Visited 284 different actions 1131 times. Merged at 7 different actions 27 times. Never widened. Performed 16011 root evaluator evaluations with a maximum evaluation depth of 16. Performed 16011 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 7 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-02 14:55:50,920 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:55:50,920 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 14:55:50,920 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 14:55:50,920 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f56101c7-231a-4b5a-bd15-4add8efd3aee/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 14:55:50,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:55:50,926 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 14:55:50,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:55:51,001 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 14:55:51,089 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 345 proven. 2 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-02 14:55:51,089 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 14:55:51,193 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 219 proven. 85 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2018-12-02 14:55:51,208 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 14:55:51,208 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-02 14:55:51,208 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 14:55:51,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 14:55:51,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 14:55:51,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-12-02 14:55:51,209 INFO L87 Difference]: Start difference. First operand 11346 states and 13934 transitions. Second operand 9 states. [2018-12-02 14:55:53,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:55:53,568 INFO L93 Difference]: Finished difference Result 26773 states and 35660 transitions. [2018-12-02 14:55:53,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-02 14:55:53,569 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 500 [2018-12-02 14:55:53,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:55:53,606 INFO L225 Difference]: With dead ends: 26773 [2018-12-02 14:55:53,607 INFO L226 Difference]: Without dead ends: 15740 [2018-12-02 14:55:53,623 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1023 GetRequests, 1004 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=128, Invalid=252, Unknown=0, NotChecked=0, Total=380 [2018-12-02 14:55:53,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15740 states. [2018-12-02 14:55:53,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15740 to 15689. [2018-12-02 14:55:53,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15689 states. [2018-12-02 14:55:53,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15689 states to 15689 states and 19731 transitions. [2018-12-02 14:55:53,820 INFO L78 Accepts]: Start accepts. Automaton has 15689 states and 19731 transitions. Word has length 500 [2018-12-02 14:55:53,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:55:53,821 INFO L480 AbstractCegarLoop]: Abstraction has 15689 states and 19731 transitions. [2018-12-02 14:55:53,821 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 14:55:53,821 INFO L276 IsEmpty]: Start isEmpty. Operand 15689 states and 19731 transitions. [2018-12-02 14:55:53,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 601 [2018-12-02 14:55:53,827 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:55:53,828 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:55:53,828 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:55:53,828 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:55:53,828 INFO L82 PathProgramCache]: Analyzing trace with hash 1762682819, now seen corresponding path program 1 times [2018-12-02 14:55:53,828 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 14:55:53,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:55:53,829 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:55:53,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:55:53,829 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 14:55:53,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:55:54,104 INFO L134 CoverageAnalysis]: Checked inductivity of 518 backedges. 408 proven. 2 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-12-02 14:55:54,104 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 14:55:54,104 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 14:55:54,104 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 601 with the following transitions: [2018-12-02 14:55:54,105 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], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1044], [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 14:55:54,107 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 14:55:54,107 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 14:55:57,051 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 14:55:57,051 INFO L272 AbstractInterpreter]: Visited 284 different actions 845 times. Merged at 7 different actions 15 times. Never widened. Performed 11663 root evaluator evaluations with a maximum evaluation depth of 20. Performed 11663 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-02 14:55:57,052 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:55:57,052 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 14:55:57,052 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 14:55:57,052 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f56101c7-231a-4b5a-bd15-4add8efd3aee/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 14:55:57,060 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:55:57,060 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 14:55:57,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:55:57,131 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 14:55:57,241 INFO L134 CoverageAnalysis]: Checked inductivity of 518 backedges. 408 proven. 2 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-12-02 14:55:57,241 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 14:55:57,419 INFO L134 CoverageAnalysis]: Checked inductivity of 518 backedges. 408 proven. 2 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-12-02 14:55:57,434 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 14:55:57,434 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-02 14:55:57,434 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 14:55:57,435 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 14:55:57,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 14:55:57,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-12-02 14:55:57,435 INFO L87 Difference]: Start difference. First operand 15689 states and 19731 transitions. Second operand 9 states. [2018-12-02 14:56:00,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:56:00,369 INFO L93 Difference]: Finished difference Result 33827 states and 44510 transitions. [2018-12-02 14:56:00,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-02 14:56:00,369 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 600 [2018-12-02 14:56:00,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:56:00,404 INFO L225 Difference]: With dead ends: 33827 [2018-12-02 14:56:00,405 INFO L226 Difference]: Without dead ends: 18451 [2018-12-02 14:56:00,428 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1223 GetRequests, 1204 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=128, Invalid=252, Unknown=0, NotChecked=0, Total=380 [2018-12-02 14:56:00,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18451 states. [2018-12-02 14:56:00,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18451 to 18098. [2018-12-02 14:56:00,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18098 states. [2018-12-02 14:56:00,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18098 states to 18098 states and 22586 transitions. [2018-12-02 14:56:00,739 INFO L78 Accepts]: Start accepts. Automaton has 18098 states and 22586 transitions. Word has length 600 [2018-12-02 14:56:00,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:56:00,740 INFO L480 AbstractCegarLoop]: Abstraction has 18098 states and 22586 transitions. [2018-12-02 14:56:00,740 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 14:56:00,740 INFO L276 IsEmpty]: Start isEmpty. Operand 18098 states and 22586 transitions. [2018-12-02 14:56:00,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 642 [2018-12-02 14:56:00,745 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:56:00,745 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-12-02 14:56:00,745 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:56:00,746 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:56:00,746 INFO L82 PathProgramCache]: Analyzing trace with hash -97521366, now seen corresponding path program 1 times [2018-12-02 14:56:00,746 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 14:56:00,746 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:56:00,746 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:56:00,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:56:00,747 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 14:56:00,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:56:00,981 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 449 proven. 43 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2018-12-02 14:56:00,982 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 14:56:00,982 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 14:56:00,982 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 642 with the following transitions: [2018-12-02 14:56:00,982 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], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [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], [774], [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 14:56:00,985 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 14:56:00,985 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 14:56:03,754 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 14:56:03,754 INFO L272 AbstractInterpreter]: Visited 287 different actions 852 times. Merged at 8 different actions 17 times. Never widened. Performed 11744 root evaluator evaluations with a maximum evaluation depth of 20. Performed 11744 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 5 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-02 14:56:03,756 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:56:03,756 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 14:56:03,756 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 14:56:03,756 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f56101c7-231a-4b5a-bd15-4add8efd3aee/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 14:56:03,762 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:56:03,762 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 14:56:03,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:56:03,841 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 14:56:03,946 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 594 trivial. 0 not checked. [2018-12-02 14:56:03,946 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 14:56:04,057 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 594 trivial. 0 not checked. [2018-12-02 14:56:04,072 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-02 14:56:04,073 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [4] total 4 [2018-12-02 14:56:04,073 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 14:56:04,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 14:56:04,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 14:56:04,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 14:56:04,073 INFO L87 Difference]: Start difference. First operand 18098 states and 22586 transitions. Second operand 3 states. [2018-12-02 14:56:05,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:56:05,341 INFO L93 Difference]: Finished difference Result 38388 states and 48668 transitions. [2018-12-02 14:56:05,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 14:56:05,341 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 641 [2018-12-02 14:56:05,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:56:05,378 INFO L225 Difference]: With dead ends: 38388 [2018-12-02 14:56:05,378 INFO L226 Difference]: Without dead ends: 20603 [2018-12-02 14:56:05,407 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1288 GetRequests, 1282 SyntacticMatches, 4 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 14:56:05,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20603 states. [2018-12-02 14:56:05,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20603 to 19351. [2018-12-02 14:56:05,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19351 states. [2018-12-02 14:56:05,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19351 states to 19351 states and 24308 transitions. [2018-12-02 14:56:05,670 INFO L78 Accepts]: Start accepts. Automaton has 19351 states and 24308 transitions. Word has length 641 [2018-12-02 14:56:05,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:56:05,671 INFO L480 AbstractCegarLoop]: Abstraction has 19351 states and 24308 transitions. [2018-12-02 14:56:05,671 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 14:56:05,671 INFO L276 IsEmpty]: Start isEmpty. Operand 19351 states and 24308 transitions. [2018-12-02 14:56:05,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 708 [2018-12-02 14:56:05,678 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:56:05,678 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 14:56:05,678 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:56:05,678 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:56:05,678 INFO L82 PathProgramCache]: Analyzing trace with hash 1145577255, now seen corresponding path program 1 times [2018-12-02 14:56:05,678 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 14:56:05,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:56:05,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:56:05,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:56:05,679 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 14:56:05,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:56:05,914 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2018-12-02 14:56:05,914 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:56:05,914 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 14:56:05,914 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 14:56:05,914 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 14:56:05,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 14:56:05,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 14:56:05,915 INFO L87 Difference]: Start difference. First operand 19351 states and 24308 transitions. Second operand 4 states. [2018-12-02 14:56:08,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:56:08,591 INFO L93 Difference]: Finished difference Result 45100 states and 57531 transitions. [2018-12-02 14:56:08,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 14:56:08,592 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 707 [2018-12-02 14:56:08,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:56:08,642 INFO L225 Difference]: With dead ends: 45100 [2018-12-02 14:56:08,642 INFO L226 Difference]: Without dead ends: 26062 [2018-12-02 14:56:08,674 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 14:56:08,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26062 states. [2018-12-02 14:56:08,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26062 to 21916. [2018-12-02 14:56:08,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21916 states. [2018-12-02 14:56:08,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21916 states to 21916 states and 27421 transitions. [2018-12-02 14:56:08,976 INFO L78 Accepts]: Start accepts. Automaton has 21916 states and 27421 transitions. Word has length 707 [2018-12-02 14:56:08,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:56:08,976 INFO L480 AbstractCegarLoop]: Abstraction has 21916 states and 27421 transitions. [2018-12-02 14:56:08,977 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 14:56:08,977 INFO L276 IsEmpty]: Start isEmpty. Operand 21916 states and 27421 transitions. [2018-12-02 14:56:08,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 804 [2018-12-02 14:56:08,992 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:56:08,992 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 14:56:08,992 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:56:08,992 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:56:08,992 INFO L82 PathProgramCache]: Analyzing trace with hash -295345711, now seen corresponding path program 1 times [2018-12-02 14:56:08,992 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 14:56:08,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:56:08,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:56:08,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:56:08,993 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 14:56:09,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:56:09,435 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 600 proven. 2 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2018-12-02 14:56:09,435 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 14:56:09,435 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 14:56:09,435 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 804 with the following transitions: [2018-12-02 14:56:09,435 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], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [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 14:56:09,438 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 14:56:09,438 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 14:56:09,850 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 14:56:09,850 INFO L272 AbstractInterpreter]: Visited 295 different actions 1174 times. Merged at 7 different actions 27 times. Never widened. Performed 15975 root evaluator evaluations with a maximum evaluation depth of 10. Performed 15975 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 14:56:09,851 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:56:09,851 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 14:56:09,851 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 14:56:09,851 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f56101c7-231a-4b5a-bd15-4add8efd3aee/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 14:56:09,933 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:56:09,933 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 14:56:10,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:56:10,027 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 14:56:10,217 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 600 proven. 2 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2018-12-02 14:56:10,218 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 14:56:10,529 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 600 proven. 2 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2018-12-02 14:56:10,543 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 14:56:10,544 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-02 14:56:10,544 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 14:56:10,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 14:56:10,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 14:56:10,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-02 14:56:10,545 INFO L87 Difference]: Start difference. First operand 21916 states and 27421 transitions. Second operand 9 states. [2018-12-02 14:56:12,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:56:12,603 INFO L93 Difference]: Finished difference Result 41520 states and 50009 transitions. [2018-12-02 14:56:12,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 14:56:12,603 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 803 [2018-12-02 14:56:12,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:56:12,629 INFO L225 Difference]: With dead ends: 41520 [2018-12-02 14:56:12,629 INFO L226 Difference]: Without dead ends: 19917 [2018-12-02 14:56:12,661 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1625 GetRequests, 1608 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 14:56:12,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19917 states. [2018-12-02 14:56:12,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19917 to 17995. [2018-12-02 14:56:12,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17995 states. [2018-12-02 14:56:12,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17995 states to 17995 states and 19940 transitions. [2018-12-02 14:56:12,830 INFO L78 Accepts]: Start accepts. Automaton has 17995 states and 19940 transitions. Word has length 803 [2018-12-02 14:56:12,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:56:12,831 INFO L480 AbstractCegarLoop]: Abstraction has 17995 states and 19940 transitions. [2018-12-02 14:56:12,831 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 14:56:12,831 INFO L276 IsEmpty]: Start isEmpty. Operand 17995 states and 19940 transitions. [2018-12-02 14:56:12,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 837 [2018-12-02 14:56:12,841 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:56:12,841 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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 14:56:12,842 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:56:12,842 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:56:12,842 INFO L82 PathProgramCache]: Analyzing trace with hash -1171010843, now seen corresponding path program 1 times [2018-12-02 14:56:12,842 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 14:56:12,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:56:12,843 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:56:12,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:56:12,843 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 14:56:12,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:56:13,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1323 backedges. 643 proven. 2 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2018-12-02 14:56:13,215 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 14:56:13,215 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 14:56:13,216 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 837 with the following transitions: [2018-12-02 14:56:13,216 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], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [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 14:56:13,219 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 14:56:13,219 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 14:56:16,661 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 14:56:16,662 INFO L272 AbstractInterpreter]: Visited 290 different actions 1139 times. Merged at 8 different actions 23 times. Never widened. Performed 15838 root evaluator evaluations with a maximum evaluation depth of 20. Performed 15838 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 9 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-02 14:56:16,664 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:56:16,665 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 14:56:16,665 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 14:56:16,665 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f56101c7-231a-4b5a-bd15-4add8efd3aee/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 14:56:16,671 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:56:16,671 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 14:56:16,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:56:16,767 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 14:56:16,996 INFO L134 CoverageAnalysis]: Checked inductivity of 1323 backedges. 643 proven. 2 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2018-12-02 14:56:16,997 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 14:56:17,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1323 backedges. 643 proven. 2 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2018-12-02 14:56:17,246 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 14:56:17,246 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2018-12-02 14:56:17,246 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 14:56:17,247 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 14:56:17,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 14:56:17,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-12-02 14:56:17,247 INFO L87 Difference]: Start difference. First operand 17995 states and 19940 transitions. Second operand 7 states. [2018-12-02 14:56:19,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:56:19,607 INFO L93 Difference]: Finished difference Result 41891 states and 46454 transitions. [2018-12-02 14:56:19,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 14:56:19,607 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 836 [2018-12-02 14:56:19,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:56:19,633 INFO L225 Difference]: With dead ends: 41891 [2018-12-02 14:56:19,633 INFO L226 Difference]: Without dead ends: 24209 [2018-12-02 14:56:19,649 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1685 GetRequests, 1672 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 14:56:19,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24209 states. [2018-12-02 14:56:19,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24209 to 23260. [2018-12-02 14:56:19,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23260 states. [2018-12-02 14:56:19,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23260 states to 23260 states and 25531 transitions. [2018-12-02 14:56:19,846 INFO L78 Accepts]: Start accepts. Automaton has 23260 states and 25531 transitions. Word has length 836 [2018-12-02 14:56:19,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:56:19,847 INFO L480 AbstractCegarLoop]: Abstraction has 23260 states and 25531 transitions. [2018-12-02 14:56:19,847 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 14:56:19,847 INFO L276 IsEmpty]: Start isEmpty. Operand 23260 states and 25531 transitions. [2018-12-02 14:56:19,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 843 [2018-12-02 14:56:19,860 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:56:19,861 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 14:56:19,861 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:56:19,861 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:56:19,861 INFO L82 PathProgramCache]: Analyzing trace with hash 517235645, now seen corresponding path program 1 times [2018-12-02 14:56:19,861 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 14:56:19,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:56:19,861 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:56:19,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:56:19,862 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 14:56:19,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:56:20,298 INFO L134 CoverageAnalysis]: Checked inductivity of 1338 backedges. 742 proven. 2 refuted. 0 times theorem prover too weak. 594 trivial. 0 not checked. [2018-12-02 14:56:20,298 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 14:56:20,298 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 14:56:20,298 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 843 with the following transitions: [2018-12-02 14:56:20,299 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], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [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], [774], [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], [1213], [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 14:56:20,301 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 14:56:20,301 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 14:56:23,121 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 14:56:23,121 INFO L272 AbstractInterpreter]: Visited 288 different actions 854 times. Merged at 8 different actions 16 times. Never widened. Performed 11776 root evaluator evaluations with a maximum evaluation depth of 20. Performed 11776 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 6 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-02 14:56:23,122 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:56:23,123 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 14:56:23,123 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 14:56:23,123 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f56101c7-231a-4b5a-bd15-4add8efd3aee/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 14:56:23,129 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:56:23,129 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 14:56:23,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:56:23,226 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 14:56:23,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1338 backedges. 742 proven. 2 refuted. 0 times theorem prover too weak. 594 trivial. 0 not checked. [2018-12-02 14:56:23,414 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 14:56:23,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1338 backedges. 742 proven. 2 refuted. 0 times theorem prover too weak. 594 trivial. 0 not checked. [2018-12-02 14:56:23,768 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 14:56:23,769 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2018-12-02 14:56:23,769 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 14:56:23,769 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 14:56:23,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 14:56:23,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-12-02 14:56:23,770 INFO L87 Difference]: Start difference. First operand 23260 states and 25531 transitions. Second operand 7 states. [2018-12-02 14:56:25,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:56:25,977 INFO L93 Difference]: Finished difference Result 52402 states and 57681 transitions. [2018-12-02 14:56:25,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 14:56:25,978 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 842 [2018-12-02 14:56:25,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:56:26,008 INFO L225 Difference]: With dead ends: 52402 [2018-12-02 14:56:26,008 INFO L226 Difference]: Without dead ends: 26342 [2018-12-02 14:56:26,028 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1699 GetRequests, 1686 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2018-12-02 14:56:26,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26342 states. [2018-12-02 14:56:26,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26342 to 25679. [2018-12-02 14:56:26,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25679 states. [2018-12-02 14:56:26,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25679 states to 25679 states and 27814 transitions. [2018-12-02 14:56:26,275 INFO L78 Accepts]: Start accepts. Automaton has 25679 states and 27814 transitions. Word has length 842 [2018-12-02 14:56:26,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:56:26,276 INFO L480 AbstractCegarLoop]: Abstraction has 25679 states and 27814 transitions. [2018-12-02 14:56:26,276 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 14:56:26,276 INFO L276 IsEmpty]: Start isEmpty. Operand 25679 states and 27814 transitions. [2018-12-02 14:56:26,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 886 [2018-12-02 14:56:26,286 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:56:26,286 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:56:26,286 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:56:26,286 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:56:26,286 INFO L82 PathProgramCache]: Analyzing trace with hash 445741402, now seen corresponding path program 1 times [2018-12-02 14:56:26,286 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 14:56:26,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:56:26,287 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:56:26,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:56:26,287 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 14:56:26,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:56:26,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1420 backedges. 934 proven. 199 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2018-12-02 14:56:26,998 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 14:56:26,998 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 14:56:26,998 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 886 with the following transitions: [2018-12-02 14:56:26,998 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], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [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], [963], [967], [971], [975], [979], [983], [987], [991], [994], [999], [1001], [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], [1213], [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 14:56:27,001 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 14:56:27,001 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 14:56:29,749 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 14:56:29,749 INFO L272 AbstractInterpreter]: Visited 290 different actions 861 times. Merged at 9 different actions 21 times. Never widened. Performed 11834 root evaluator evaluations with a maximum evaluation depth of 20. Performed 11834 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 6 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-02 14:56:29,751 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:56:29,751 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 14:56:29,751 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 14:56:29,751 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f56101c7-231a-4b5a-bd15-4add8efd3aee/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 14:56:29,757 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:56:29,757 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 14:56:29,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:56:29,862 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 14:56:30,266 INFO L134 CoverageAnalysis]: Checked inductivity of 1420 backedges. 978 proven. 159 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2018-12-02 14:56:30,266 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 14:56:30,653 INFO L134 CoverageAnalysis]: Checked inductivity of 1420 backedges. 783 proven. 2 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2018-12-02 14:56:30,667 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 14:56:30,668 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 5] total 22 [2018-12-02 14:56:30,668 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 14:56:30,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-12-02 14:56:30,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-12-02 14:56:30,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=383, Unknown=0, NotChecked=0, Total=462 [2018-12-02 14:56:30,669 INFO L87 Difference]: Start difference. First operand 25679 states and 27814 transitions. Second operand 20 states. [2018-12-02 14:56:42,858 WARN L180 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2018-12-02 14:56:44,968 WARN L180 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2018-12-02 14:56:48,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:56:48,927 INFO L93 Difference]: Finished difference Result 60563 states and 66215 transitions. [2018-12-02 14:56:48,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2018-12-02 14:56:48,927 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 885 [2018-12-02 14:56:48,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:56:48,970 INFO L225 Difference]: With dead ends: 60563 [2018-12-02 14:56:48,970 INFO L226 Difference]: Without dead ends: 35504 [2018-12-02 14:56:48,991 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1956 GetRequests, 1839 SyntacticMatches, 3 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4793 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=2212, Invalid=11128, Unknown=0, NotChecked=0, Total=13340 [2018-12-02 14:56:49,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35504 states. [2018-12-02 14:56:49,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35504 to 31009. [2018-12-02 14:56:49,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31009 states. [2018-12-02 14:56:49,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31009 states to 31009 states and 33412 transitions. [2018-12-02 14:56:49,306 INFO L78 Accepts]: Start accepts. Automaton has 31009 states and 33412 transitions. Word has length 885 [2018-12-02 14:56:49,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:56:49,306 INFO L480 AbstractCegarLoop]: Abstraction has 31009 states and 33412 transitions. [2018-12-02 14:56:49,306 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-12-02 14:56:49,306 INFO L276 IsEmpty]: Start isEmpty. Operand 31009 states and 33412 transitions. [2018-12-02 14:56:49,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 902 [2018-12-02 14:56:49,315 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:56:49,315 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 14:56:49,315 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:56:49,315 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:56:49,316 INFO L82 PathProgramCache]: Analyzing trace with hash 927113813, now seen corresponding path program 1 times [2018-12-02 14:56:49,316 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 14:56:49,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:56:49,316 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:56:49,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:56:49,316 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 14:56:49,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:56:49,836 INFO L134 CoverageAnalysis]: Checked inductivity of 971 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 833 trivial. 0 not checked. [2018-12-02 14:56:49,836 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 14:56:49,836 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 14:56:49,837 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 902 with the following transitions: [2018-12-02 14:56:49,837 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], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [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], [1562], [1566], [1570], [1573], [1578], [1580], [1581], [1585], [1589], [1593], [1597], [1601], [1612], [1616], [1619], [1620], [1623], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-02 14:56:49,839 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 14:56:49,839 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 14:56:51,203 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 14:56:51,203 INFO L272 AbstractInterpreter]: Visited 298 different actions 888 times. Merged at 7 different actions 18 times. Never widened. Performed 11936 root evaluator evaluations with a maximum evaluation depth of 20. Performed 11936 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 5 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-02 14:56:51,204 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:56:51,205 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 14:56:51,205 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 14:56:51,205 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f56101c7-231a-4b5a-bd15-4add8efd3aee/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 14:56:51,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:56:51,210 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 14:56:51,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:56:51,312 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 14:56:53,361 WARN L180 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 38 [2018-12-02 14:56:53,701 INFO L134 CoverageAnalysis]: Checked inductivity of 971 backedges. 11 proven. 127 refuted. 0 times theorem prover too weak. 833 trivial. 0 not checked. [2018-12-02 14:56:53,701 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 14:56:56,841 INFO L134 CoverageAnalysis]: Checked inductivity of 971 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 833 trivial. 0 not checked. [2018-12-02 14:56:56,855 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 14:56:56,856 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 13 [2018-12-02 14:56:56,856 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 14:56:56,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 14:56:56,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 14:56:56,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-12-02 14:56:56,856 INFO L87 Difference]: Start difference. First operand 31009 states and 33412 transitions. Second operand 6 states. [2018-12-02 14:56:59,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:56:59,881 INFO L93 Difference]: Finished difference Result 61707 states and 66509 transitions. [2018-12-02 14:56:59,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 14:56:59,882 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 901 [2018-12-02 14:56:59,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:56:59,913 INFO L225 Difference]: With dead ends: 61707 [2018-12-02 14:56:59,914 INFO L226 Difference]: Without dead ends: 30702 [2018-12-02 14:56:59,930 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1814 GetRequests, 1798 SyntacticMatches, 5 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-12-02 14:56:59,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30702 states. [2018-12-02 14:57:00,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30702 to 30700. [2018-12-02 14:57:00,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30700 states. [2018-12-02 14:57:00,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30700 states to 30700 states and 33083 transitions. [2018-12-02 14:57:00,215 INFO L78 Accepts]: Start accepts. Automaton has 30700 states and 33083 transitions. Word has length 901 [2018-12-02 14:57:00,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:57:00,216 INFO L480 AbstractCegarLoop]: Abstraction has 30700 states and 33083 transitions. [2018-12-02 14:57:00,216 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 14:57:00,216 INFO L276 IsEmpty]: Start isEmpty. Operand 30700 states and 33083 transitions. [2018-12-02 14:57:00,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1359 [2018-12-02 14:57:00,235 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:57:00,235 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 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 14:57:00,236 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:57:00,236 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:57:00,236 INFO L82 PathProgramCache]: Analyzing trace with hash 1828057560, now seen corresponding path program 1 times [2018-12-02 14:57:00,236 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 14:57:00,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:57:00,236 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:57:00,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:57:00,236 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 14:57:00,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:57:01,119 INFO L134 CoverageAnalysis]: Checked inductivity of 3186 backedges. 937 proven. 949 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2018-12-02 14:57:01,119 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 14:57:01,119 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 14:57:01,119 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1359 with the following transitions: [2018-12-02 14:57:01,119 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], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [644], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [766], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [962], [963], [967], [971], [975], [979], [983], [987], [991], [994], [999], [1001], [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], [1386], [1389], [1393], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1562], [1566], [1570], [1573], [1578], [1580], [1581], [1585], [1589], [1593], [1597], [1601], [1612], [1616], [1620], [1623], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-02 14:57:01,122 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 14:57:01,122 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 14:57:03,277 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 14:57:03,277 INFO L272 AbstractInterpreter]: Visited 306 different actions 1214 times. Merged at 11 different actions 32 times. Never widened. Performed 17158 root evaluator evaluations with a maximum evaluation depth of 20. Performed 17158 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 16 fixpoints after 6 different actions. Largest state had 24 variables. [2018-12-02 14:57:03,279 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:57:03,279 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 14:57:03,279 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 14:57:03,279 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f56101c7-231a-4b5a-bd15-4add8efd3aee/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 14:57:03,285 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:57:03,285 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 14:57:03,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:57:03,433 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 14:57:03,865 INFO L134 CoverageAnalysis]: Checked inductivity of 3186 backedges. 1061 proven. 0 refuted. 0 times theorem prover too weak. 2125 trivial. 0 not checked. [2018-12-02 14:57:03,866 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 14:57:04,265 INFO L134 CoverageAnalysis]: Checked inductivity of 3186 backedges. 343 proven. 2 refuted. 0 times theorem prover too weak. 2841 trivial. 0 not checked. [2018-12-02 14:57:04,304 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 14:57:04,304 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [10, 3] total 11 [2018-12-02 14:57:04,304 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 14:57:04,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 14:57:04,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 14:57:04,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2018-12-02 14:57:04,305 INFO L87 Difference]: Start difference. First operand 30700 states and 33083 transitions. Second operand 3 states. [2018-12-02 14:57:05,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:57:05,313 INFO L93 Difference]: Finished difference Result 61995 states and 66802 transitions. [2018-12-02 14:57:05,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 14:57:05,314 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1358 [2018-12-02 14:57:05,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:57:05,349 INFO L225 Difference]: With dead ends: 61995 [2018-12-02 14:57:05,349 INFO L226 Difference]: Without dead ends: 31608 [2018-12-02 14:57:05,373 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2727 GetRequests, 2718 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2018-12-02 14:57:05,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31608 states. [2018-12-02 14:57:05,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31608 to 30354. [2018-12-02 14:57:05,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30354 states. [2018-12-02 14:57:05,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30354 states to 30354 states and 32570 transitions. [2018-12-02 14:57:05,662 INFO L78 Accepts]: Start accepts. Automaton has 30354 states and 32570 transitions. Word has length 1358 [2018-12-02 14:57:05,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:57:05,663 INFO L480 AbstractCegarLoop]: Abstraction has 30354 states and 32570 transitions. [2018-12-02 14:57:05,663 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 14:57:05,663 INFO L276 IsEmpty]: Start isEmpty. Operand 30354 states and 32570 transitions. [2018-12-02 14:57:05,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1378 [2018-12-02 14:57:05,689 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:57:05,689 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, 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-02 14:57:05,689 INFO L423 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:57:05,690 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:57:05,690 INFO L82 PathProgramCache]: Analyzing trace with hash 1546848111, now seen corresponding path program 1 times [2018-12-02 14:57:05,690 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 14:57:05,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:57:05,690 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:57:05,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:57:05,690 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 14:57:05,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:57:06,570 INFO L134 CoverageAnalysis]: Checked inductivity of 3086 backedges. 937 proven. 934 refuted. 0 times theorem prover too weak. 1215 trivial. 0 not checked. [2018-12-02 14:57:06,571 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 14:57:06,571 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 14:57:06,571 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1378 with the following transitions: [2018-12-02 14:57:06,571 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [29], [33], [37], [41], [44], [49], [51], [73], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [389], [391], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [644], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [730], [731], [735], [739], [743], [747], [751], [755], [759], [763], [766], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [994], [999], [1001], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1562], [1566], [1570], [1573], [1578], [1580], [1581], [1585], [1589], [1593], [1597], [1601], [1612], [1616], [1620], [1623], [1624], [1628], [1632], [1634], [1635], [1639], [1648], [1652], [1654], [1659], [1660], [1661], [1662], [1663], [1665], [1666] [2018-12-02 14:57:06,573 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 14:57:06,573 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 14:57:09,471 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 14:57:09,471 INFO L272 AbstractInterpreter]: Visited 322 different actions 1599 times. Merged at 10 different actions 47 times. Widened at 1 different actions 1 times. Performed 22863 root evaluator evaluations with a maximum evaluation depth of 20. Performed 22863 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 22 fixpoints after 5 different actions. Largest state had 24 variables. [2018-12-02 14:57:09,475 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:57:09,476 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 14:57:09,476 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 14:57:09,476 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f56101c7-231a-4b5a-bd15-4add8efd3aee/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 14:57:09,481 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:57:09,481 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 14:57:09,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:57:09,640 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 14:57:10,076 INFO L134 CoverageAnalysis]: Checked inductivity of 3086 backedges. 2058 proven. 2 refuted. 0 times theorem prover too weak. 1026 trivial. 0 not checked. [2018-12-02 14:57:10,076 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 14:57:10,647 INFO L134 CoverageAnalysis]: Checked inductivity of 3086 backedges. 768 proven. 213 refuted. 0 times theorem prover too weak. 2105 trivial. 0 not checked. [2018-12-02 14:57:10,662 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 14:57:10,663 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 14 [2018-12-02 14:57:10,663 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 14:57:10,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-02 14:57:10,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-02 14:57:10,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-12-02 14:57:10,664 INFO L87 Difference]: Start difference. First operand 30354 states and 32570 transitions. Second operand 13 states. [2018-12-02 14:57:13,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:57:13,423 INFO L93 Difference]: Finished difference Result 46038 states and 49065 transitions. [2018-12-02 14:57:13,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-02 14:57:13,424 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 1377 [2018-12-02 14:57:13,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:57:13,425 INFO L225 Difference]: With dead ends: 46038 [2018-12-02 14:57:13,425 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 14:57:13,448 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2785 GetRequests, 2761 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=152, Invalid=400, Unknown=0, NotChecked=0, Total=552 [2018-12-02 14:57:13,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 14:57:13,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 14:57:13,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 14:57:13,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 14:57:13,448 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1377 [2018-12-02 14:57:13,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:57:13,448 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 14:57:13,448 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-02 14:57:13,448 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 14:57:13,449 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 14:57:13,451 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 14:57:13,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:13,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:13,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:13,778 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:13,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:13,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:13,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:13,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:13,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:13,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:13,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:13,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:13,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:13,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:13,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:13,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:13,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:13,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:13,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:13,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:13,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:13,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:13,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:13,861 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:13,864 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:13,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:13,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:13,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:13,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:13,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:13,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:13,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:13,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:13,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:13,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:13,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:13,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:13,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:14,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:14,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:14,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:14,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:14,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:14,032 WARN L180 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 471 DAG size of output: 336 [2018-12-02 14:57:14,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:14,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:14,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:14,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:14,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:14,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:14,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:14,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:14,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:14,064 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:14,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:14,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:14,073 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:14,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:14,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:14,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:14,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:14,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:14,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:14,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:14,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:14,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:14,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:14,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:14,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:14,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:14,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:14,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:14,148 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:14,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:14,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:14,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:14,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:14,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:14,216 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:14,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:14,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:14,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:14,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:14,241 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 468 DAG size of output: 338 [2018-12-02 14:57:14,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:14,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:57:18,640 WARN L180 SmtUtils]: Spent 4.16 s on a formula simplification. DAG size of input: 555 DAG size of output: 182 [2018-12-02 14:57:22,285 WARN L180 SmtUtils]: Spent 3.63 s on a formula simplification. DAG size of input: 552 DAG size of output: 180 [2018-12-02 14:57:23,615 WARN L180 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 371 DAG size of output: 103 [2018-12-02 14:57:24,912 WARN L180 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 374 DAG size of output: 103 [2018-12-02 14:57:28,644 WARN L180 SmtUtils]: Spent 3.72 s on a formula simplification. DAG size of input: 558 DAG size of output: 186 [2018-12-02 14:57:28,646 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 14:57:28,646 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 14:57:28,646 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 14:57:28,646 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1658 1758) no Hoare annotation was computed. [2018-12-02 14:57:28,647 INFO L448 ceAbstractionStarter]: For program point L1749(lines 1749 1756) no Hoare annotation was computed. [2018-12-02 14:57:28,647 INFO L448 ceAbstractionStarter]: For program point L1729(lines 1729 1756) no Hoare annotation was computed. [2018-12-02 14:57:28,647 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1658 1758) the Hoare annotation is: (let ((.cse33 (+ ~a4~0 85)) (.cse32 (+ |old(~a4~0)| 85))) (let ((.cse8 (< .cse32 0)) (.cse7 (< 0 (+ |old(~a0~0)| 147))) (.cse14 (< |old(~a2~0)| 3)) (.cse27 (+ |old(~a0~0)| 98)) (.cse22 (<= 0 .cse33)) (.cse5 (= ~a2~0 2)) (.cse30 (= 3 |old(~a2~0)|)) (.cse17 (= |old(~a2~0)| ~a2~0)) (.cse3 (= ~a29~0 |old(~a29~0)|)) (.cse4 (< .cse33 0)) (.cse6 (= ~a0~0 |old(~a0~0)|)) (.cse19 (<= (+ |old(~a29~0)| 144) 0)) (.cse2 (<= 0 .cse32))) (let ((.cse12 (or (< 2 |old(~a2~0)|) .cse19 (exists ((v_prenex_12 Int)) (let ((.cse31 (* 9 v_prenex_12))) (and (= 0 (mod .cse31 10)) (<= 588645 (div .cse31 10)) (<= v_prenex_12 |old(~a0~0)|)))) .cse2)) (.cse13 (and .cse17 .cse3 .cse4 .cse6)) (.cse20 (not .cse30)) (.cse26 (= 3 ~a2~0)) (.cse9 (and .cse22 .cse3 .cse5 .cse6)) (.cse1 (not (= 2 |old(~a2~0)|))) (.cse15 (< 0 .cse27)) (.cse25 (not (= 4 |old(~a2~0)|))) (.cse16 (or .cse30 .cse7 .cse14)) (.cse23 (or .cse8 .cse19)) (.cse21 (forall ((v_prenex_13 Int)) (let ((.cse29 (mod v_prenex_13 63))) (or (not (= .cse29 0)) (< 0 (+ v_prenex_13 144)) (< .cse29 (+ |old(~a29~0)| 80)))))) (.cse24 (and .cse17 .cse22 (< 0 (+ ~a29~0 144)) .cse3 (not (= ~a2~0 3)) .cse2 .cse6 (<= ~a2~0 3))) (.cse18 (+ |old(~a0~0)| 44)) (.cse11 (not (= 1 |old(~a2~0)|))) (.cse10 (= ~a2~0 |old(~a2~0)|)) (.cse0 (exists ((v_~a0~0_1000 Int)) (let ((.cse28 (* 9 v_~a0~0_1000))) (and (<= 556427 (div .cse28 10)) (<= 0 .cse28) (<= v_~a0~0_1000 |old(~a0~0)|)))))) (and (or (or .cse0 (or .cse1 .cse2)) (and .cse3 .cse4 .cse5 .cse6)) (or .cse7 .cse8 .cse9 .cse1) (or (and (and .cse3 .cse4 .cse6) .cse10) .cse11 (or .cse12 .cse0)) (or .cse13 .cse14 .cse2 .cse15) (or .cse16 (and .cse17 .cse3 .cse6)) (or (and (and .cse17 .cse3) .cse6) .cse0 (or (or (< .cse18 0) .cse19) .cse20)) (or .cse13 .cse15 (or (< |old(~a29~0)| 44) .cse12)) (or .cse11 .cse8 .cse21 (and .cse22 .cse3 (= 1 ~a2~0) .cse6) .cse15) (or .cse23 (< 0 (+ |old(~a29~0)| 18)) .cse11 .cse15 .cse24) (or .cse11 (or .cse7 .cse8) (and .cse17 .cse22 .cse3 .cse6)) (or .cse8 .cse19 .cse14 .cse15 (and .cse22 .cse3 .cse17 .cse6)) (or .cse0 (and .cse3 .cse4 .cse6 (= 4 ~a2~0)) (or .cse25 .cse2)) (or .cse7 .cse13 .cse2) (or (or .cse2 .cse20) .cse0 (and .cse3 .cse4 .cse6 .cse26)) (or (or (or .cse8 .cse20) .cse15) (and .cse22 .cse3 .cse6 .cse26)) (or .cse8 .cse19 .cse9 .cse1 .cse15) (or (or .cse25 .cse8 .cse16) .cse22) (or .cse23 .cse11 .cse21 .cse0 .cse24) (or .cse11 (not (= 0 (+ |old(~a29~0)| 127))) (not (= 0 .cse18)) (not (= 0 (+ |old(~a4~0)| 89))) (= (+ ~a4~0 89) 0)) (or .cse11 .cse0 (and (and .cse3 .cse4) .cse10 .cse6) (or (<= .cse27 0) .cse2)) (or (or .cse19 .cse14 .cse2) .cse0 (and .cse3 .cse17 .cse4 .cse6)))))) [2018-12-02 14:57:28,647 INFO L448 ceAbstractionStarter]: For program point L1742(lines 1742 1756) no Hoare annotation was computed. [2018-12-02 14:57:28,647 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1756) no Hoare annotation was computed. [2018-12-02 14:57:28,647 INFO L448 ceAbstractionStarter]: For program point L1672(lines 1672 1756) no Hoare annotation was computed. [2018-12-02 14:57:28,647 INFO L448 ceAbstractionStarter]: For program point L1701(lines 1701 1756) no Hoare annotation was computed. [2018-12-02 14:57:28,647 INFO L448 ceAbstractionStarter]: For program point L1668(lines 1668 1756) no Hoare annotation was computed. [2018-12-02 14:57:28,647 INFO L448 ceAbstractionStarter]: For program point L1722(lines 1722 1756) no Hoare annotation was computed. [2018-12-02 14:57:28,647 INFO L448 ceAbstractionStarter]: For program point L1685(lines 1685 1756) no Hoare annotation was computed. [2018-12-02 14:57:28,647 INFO L448 ceAbstractionStarter]: For program point L1710(lines 1710 1721) no Hoare annotation was computed. [2018-12-02 14:57:28,647 INFO L448 ceAbstractionStarter]: For program point L1710-2(lines 1710 1721) no Hoare annotation was computed. [2018-12-02 14:57:28,647 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1658 1758) no Hoare annotation was computed. [2018-12-02 14:57:28,647 INFO L448 ceAbstractionStarter]: For program point L1706(lines 1706 1756) no Hoare annotation was computed. [2018-12-02 14:57:28,647 INFO L448 ceAbstractionStarter]: For program point L1735(lines 1735 1756) no Hoare annotation was computed. [2018-12-02 14:57:28,648 INFO L448 ceAbstractionStarter]: For program point L1694(lines 1694 1756) no Hoare annotation was computed. [2018-12-02 14:57:28,648 INFO L448 ceAbstractionStarter]: For program point L1661(lines 1661 1756) no Hoare annotation was computed. [2018-12-02 14:57:28,648 INFO L448 ceAbstractionStarter]: For program point L1686(lines 1686 1693) no Hoare annotation was computed. [2018-12-02 14:57:28,648 INFO L448 ceAbstractionStarter]: For program point L1686-2(lines 1686 1693) no Hoare annotation was computed. [2018-12-02 14:57:28,648 INFO L448 ceAbstractionStarter]: For program point L1678(lines 1678 1756) no Hoare annotation was computed. [2018-12-02 14:57:28,648 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,648 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,648 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,648 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,648 INFO L448 ceAbstractionStarter]: For program point L895(lines 895 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,648 INFO L448 ceAbstractionStarter]: For program point L829(lines 829 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,648 INFO L448 ceAbstractionStarter]: For program point L433(lines 433 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,648 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,648 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-02 14:57:28,648 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-02 14:57:28,648 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-02 14:57:28,648 INFO L448 ceAbstractionStarter]: For program point L830(lines 830 839) no Hoare annotation was computed. [2018-12-02 14:57:28,648 INFO L448 ceAbstractionStarter]: For program point L830-2(lines 830 839) no Hoare annotation was computed. [2018-12-02 14:57:28,648 INFO L448 ceAbstractionStarter]: For program point L1623(lines 1623 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,648 INFO L448 ceAbstractionStarter]: For program point L1359(lines 1359 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,648 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,648 INFO L448 ceAbstractionStarter]: For program point L1162(lines 1162 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,648 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,648 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,649 INFO L448 ceAbstractionStarter]: For program point L1030(lines 1030 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,649 INFO L448 ceAbstractionStarter]: For program point L634(lines 634 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,649 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,649 INFO L448 ceAbstractionStarter]: For program point L502(lines 502 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,649 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-02 14:57:28,649 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-02 14:57:28,649 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-02 14:57:28,649 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,649 INFO L448 ceAbstractionStarter]: For program point L1494(lines 1494 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,649 INFO L448 ceAbstractionStarter]: For program point L1098(lines 1098 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,649 INFO L448 ceAbstractionStarter]: For program point L966(lines 966 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,649 INFO L448 ceAbstractionStarter]: For program point L768(lines 768 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,649 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,649 INFO L448 ceAbstractionStarter]: For program point L1231(lines 1231 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,649 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,649 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,649 INFO L448 ceAbstractionStarter]: For program point L1099(lines 1099 1107) no Hoare annotation was computed. [2018-12-02 14:57:28,649 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,649 INFO L448 ceAbstractionStarter]: For program point L1099-2(lines 1099 1107) no Hoare annotation was computed. [2018-12-02 14:57:28,649 INFO L448 ceAbstractionStarter]: For program point L901(lines 901 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,649 INFO L448 ceAbstractionStarter]: For program point L439(lines 439 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,649 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,649 INFO L448 ceAbstractionStarter]: For program point L307(lines 307 319) no Hoare annotation was computed. [2018-12-02 14:57:28,649 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,649 INFO L448 ceAbstractionStarter]: For program point L307-2(lines 307 319) no Hoare annotation was computed. [2018-12-02 14:57:28,650 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-02 14:57:28,650 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-02 14:57:28,650 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-02 14:57:28,650 INFO L448 ceAbstractionStarter]: For program point L1629(lines 1629 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,650 INFO L448 ceAbstractionStarter]: For program point L1431(lines 1431 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,650 INFO L448 ceAbstractionStarter]: For program point L1365(lines 1365 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,650 INFO L448 ceAbstractionStarter]: For program point L1035(lines 1035 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,650 INFO L448 ceAbstractionStarter]: For program point L507(lines 507 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,650 INFO L448 ceAbstractionStarter]: For program point L1300(lines 1300 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,650 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,650 INFO L448 ceAbstractionStarter]: For program point L1168(lines 1168 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,650 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,650 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,650 INFO L448 ceAbstractionStarter]: For program point L574(lines 574 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,650 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-02 14:57:28,650 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-02 14:57:28,650 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-02 14:57:28,650 INFO L448 ceAbstractionStarter]: For program point L707(lines 707 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,650 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,650 INFO L448 ceAbstractionStarter]: For program point L575(lines 575 586) no Hoare annotation was computed. [2018-12-02 14:57:28,650 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,650 INFO L448 ceAbstractionStarter]: For program point L575-2(lines 575 586) no Hoare annotation was computed. [2018-12-02 14:57:28,650 INFO L448 ceAbstractionStarter]: For program point L1038(lines 1038 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,650 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,650 INFO L448 ceAbstractionStarter]: For program point L774(lines 774 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,650 INFO L448 ceAbstractionStarter]: For program point L642(lines 642 651) no Hoare annotation was computed. [2018-12-02 14:57:28,651 INFO L448 ceAbstractionStarter]: For program point L642-2(lines 642 651) no Hoare annotation was computed. [2018-12-02 14:57:28,651 INFO L448 ceAbstractionStarter]: For program point L1501(lines 1501 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,651 INFO L448 ceAbstractionStarter]: For program point L1237(lines 1237 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,651 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,651 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,651 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,651 INFO L448 ceAbstractionStarter]: For program point L973(lines 973 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,651 INFO L448 ceAbstractionStarter]: For program point L907(lines 907 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,651 INFO L448 ceAbstractionStarter]: For program point L445(lines 445 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,651 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,651 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-02 14:57:28,651 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,651 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-02 14:57:28,651 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-02 14:57:28,651 INFO L448 ceAbstractionStarter]: For program point L1635(lines 1635 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,651 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,651 INFO L448 ceAbstractionStarter]: For program point L1371(lines 1371 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,651 INFO L448 ceAbstractionStarter]: For program point L1570(lines 1570 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,651 INFO L448 ceAbstractionStarter]: For program point L1438(lines 1438 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,651 INFO L448 ceAbstractionStarter]: For program point L1306(lines 1306 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,651 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,651 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,651 INFO L448 ceAbstractionStarter]: For program point L1108(lines 1108 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,651 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,652 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,652 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,652 INFO L448 ceAbstractionStarter]: For program point L1571(lines 1571 1581) no Hoare annotation was computed. [2018-12-02 14:57:28,652 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,652 INFO L448 ceAbstractionStarter]: For program point L1571-2(lines 1571 1581) no Hoare annotation was computed. [2018-12-02 14:57:28,652 INFO L448 ceAbstractionStarter]: For program point L1439(lines 1439 1448) no Hoare annotation was computed. [2018-12-02 14:57:28,652 INFO L448 ceAbstractionStarter]: For program point L1439-2(lines 1439 1448) no Hoare annotation was computed. [2018-12-02 14:57:28,652 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-02 14:57:28,652 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-02 14:57:28,652 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-02 14:57:28,652 INFO L448 ceAbstractionStarter]: For program point L845(lines 845 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,652 INFO L448 ceAbstractionStarter]: For program point L779(lines 779 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,652 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,652 INFO L448 ceAbstractionStarter]: For program point L1044(lines 1044 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,652 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,652 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,652 INFO L448 ceAbstractionStarter]: For program point L1243(lines 1243 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,652 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,652 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,652 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,652 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,652 INFO L448 ceAbstractionStarter]: For program point L1640(lines 1640 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,652 INFO L448 ceAbstractionStarter]: For program point L1508(lines 1508 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,652 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,652 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-02 14:57:28,652 INFO L448 ceAbstractionStarter]: For program point L1178(lines 1178 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,653 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-02 14:57:28,653 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-02 14:57:28,653 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,653 INFO L448 ceAbstractionStarter]: For program point L1378(lines 1378 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,653 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,653 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,653 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,653 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,653 INFO L448 ceAbstractionStarter]: For program point L652(lines 652 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,653 INFO L448 ceAbstractionStarter]: For program point L520(lines 520 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,653 INFO L448 ceAbstractionStarter]: For program point L1511(lines 1511 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,653 INFO L448 ceAbstractionStarter]: For program point L1313(lines 1313 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,653 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-02 14:57:28,653 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-02 14:57:28,653 INFO L448 ceAbstractionStarter]: For program point L1115(lines 1115 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,653 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-02 14:57:28,653 INFO L448 ceAbstractionStarter]: For program point L1049(lines 1049 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,653 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,653 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 142) no Hoare annotation was computed. [2018-12-02 14:57:28,653 INFO L448 ceAbstractionStarter]: For program point L587(lines 587 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,653 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 528) no Hoare annotation was computed. [2018-12-02 14:57:28,653 INFO L448 ceAbstractionStarter]: For program point L521-2(lines 521 528) no Hoare annotation was computed. [2018-12-02 14:57:28,653 INFO L448 ceAbstractionStarter]: For program point L1050(lines 1050 1061) no Hoare annotation was computed. [2018-12-02 14:57:28,653 INFO L448 ceAbstractionStarter]: For program point L1050-2(lines 1050 1061) no Hoare annotation was computed. [2018-12-02 14:57:28,654 INFO L448 ceAbstractionStarter]: For program point L786(lines 786 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,654 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1656) the Hoare annotation is: (let ((.cse33 (+ ~a4~0 85)) (.cse32 (+ |old(~a4~0)| 85))) (let ((.cse10 (< .cse32 0)) (.cse9 (< 0 (+ |old(~a0~0)| 147))) (.cse15 (< |old(~a2~0)| 3)) (.cse27 (+ |old(~a0~0)| 98)) (.cse22 (<= 0 .cse33)) (.cse5 (= ~a2~0 2)) (.cse30 (= 3 |old(~a2~0)|)) (.cse18 (= |old(~a2~0)| ~a2~0)) (.cse3 (= ~a29~0 |old(~a29~0)|)) (.cse4 (< .cse33 0)) (.cse6 (= ~a0~0 |old(~a0~0)|)) (.cse19 (<= (+ |old(~a29~0)| 144) 0)) (.cse2 (<= 0 .cse32))) (let ((.cse8 (+ |old(~a0~0)| 44)) (.cse13 (or (< 2 |old(~a2~0)|) .cse19 (exists ((v_prenex_12 Int)) (let ((.cse31 (* 9 v_prenex_12))) (and (= 0 (mod .cse31 10)) (<= 588645 (div .cse31 10)) (<= v_prenex_12 |old(~a0~0)|)))) .cse2)) (.cse14 (and .cse18 .cse3 .cse4 .cse6)) (.cse20 (not .cse30)) (.cse26 (= 3 ~a2~0)) (.cse11 (and .cse22 .cse3 .cse5 .cse6)) (.cse1 (not (= 2 |old(~a2~0)|))) (.cse16 (< 0 .cse27)) (.cse25 (not (= 4 |old(~a2~0)|))) (.cse17 (or .cse30 .cse9 .cse15)) (.cse23 (or .cse10 .cse19)) (.cse21 (forall ((v_prenex_13 Int)) (let ((.cse29 (mod v_prenex_13 63))) (or (not (= .cse29 0)) (< 0 (+ v_prenex_13 144)) (< .cse29 (+ |old(~a29~0)| 80)))))) (.cse24 (and .cse18 .cse22 (< 0 (+ ~a29~0 144)) .cse3 (not (= ~a2~0 3)) .cse2 .cse6 (<= ~a2~0 3))) (.cse7 (not (= 1 |old(~a2~0)|))) (.cse12 (= ~a2~0 |old(~a2~0)|)) (.cse0 (exists ((v_~a0~0_1000 Int)) (let ((.cse28 (* 9 v_~a0~0_1000))) (and (<= 556427 (div .cse28 10)) (<= 0 .cse28) (<= v_~a0~0_1000 |old(~a0~0)|)))))) (and (or (or .cse0 (or .cse1 .cse2)) (and .cse3 .cse4 .cse5 .cse6)) (or .cse7 (not (= 0 (+ |old(~a29~0)| 127))) (= |calculate_output_#in~input| 0) (not (= 0 .cse8)) (= (+ ~a4~0 89) 0) (not (= 0 (+ |old(~a4~0)| 89)))) (or .cse9 .cse10 .cse11 .cse1) (or (and (and .cse3 .cse4 .cse6) .cse12) .cse7 (or .cse13 .cse0)) (or .cse14 .cse15 .cse2 .cse16) (or .cse17 (and .cse18 .cse3 .cse6)) (or (and (and .cse18 .cse3) .cse6) .cse0 (or (or (< .cse8 0) .cse19) .cse20)) (or .cse14 .cse16 (or (< |old(~a29~0)| 44) .cse13)) (or .cse7 .cse10 .cse21 (and .cse22 .cse3 (= 1 ~a2~0) .cse6) .cse16) (or .cse23 (< 0 (+ |old(~a29~0)| 18)) .cse7 .cse16 .cse24) (or .cse7 (or .cse9 .cse10) (and .cse18 .cse22 .cse3 .cse6)) (or .cse10 .cse19 .cse15 .cse16 (and .cse22 .cse3 .cse18 .cse6)) (or .cse0 (and .cse3 .cse4 .cse6 (= 4 ~a2~0)) (or .cse25 .cse2)) (or .cse9 .cse14 .cse2) (or (or .cse2 .cse20) .cse0 (and .cse3 .cse4 .cse6 .cse26)) (or (or (or .cse10 .cse20) .cse16) (and .cse22 .cse3 .cse6 .cse26)) (or .cse10 .cse19 .cse11 .cse1 .cse16) (or (or .cse25 .cse10 .cse17) .cse22) (or .cse23 .cse7 .cse21 .cse0 .cse24) (or .cse7 .cse0 (and (and .cse3 .cse4) .cse12 .cse6) (or (<= .cse27 0) .cse2)) (or (or .cse19 .cse15 .cse2) .cse0 (and .cse3 .cse18 .cse4 .cse6)))))) [2018-12-02 14:57:28,654 INFO L448 ceAbstractionStarter]: For program point L456(lines 456 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,654 INFO L448 ceAbstractionStarter]: For program point L390(lines 390 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,654 INFO L448 ceAbstractionStarter]: For program point L1249(lines 1249 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,654 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,654 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,654 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,654 INFO L448 ceAbstractionStarter]: For program point L985(lines 985 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,654 INFO L448 ceAbstractionStarter]: For program point L919(lines 919 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,654 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 402) no Hoare annotation was computed. [2018-12-02 14:57:28,654 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 391 402) no Hoare annotation was computed. [2018-12-02 14:57:28,654 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-02 14:57:28,654 INFO L448 ceAbstractionStarter]: For program point L1184(lines 1184 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,654 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-02 14:57:28,654 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-02 14:57:28,654 INFO L448 ceAbstractionStarter]: For program point L1647(lines 1647 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,655 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,655 INFO L448 ceAbstractionStarter]: For program point L1317(lines 1317 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,655 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,655 INFO L448 ceAbstractionStarter]: For program point L855(lines 855 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,655 INFO L448 ceAbstractionStarter]: For program point L657(lines 657 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,655 INFO L448 ceAbstractionStarter]: For program point L1582(lines 1582 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,655 INFO L448 ceAbstractionStarter]: For program point L1516(lines 1516 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,655 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,655 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,655 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,655 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,655 INFO L448 ceAbstractionStarter]: For program point L1385(lines 1385 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,655 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-02 14:57:28,655 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-02 14:57:28,655 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-02 14:57:28,655 INFO L448 ceAbstractionStarter]: For program point L725(lines 725 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,655 INFO L448 ceAbstractionStarter]: For program point L1122(lines 1122 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,655 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,655 INFO L448 ceAbstractionStarter]: For program point L462(lines 462 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,655 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,655 INFO L448 ceAbstractionStarter]: For program point L1255(lines 1255 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,655 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,655 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,655 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,655 INFO L448 ceAbstractionStarter]: For program point L925(lines 925 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,656 INFO L448 ceAbstractionStarter]: For program point L793(lines 793 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,656 INFO L448 ceAbstractionStarter]: For program point L595(lines 595 605) no Hoare annotation was computed. [2018-12-02 14:57:28,656 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,656 INFO L448 ceAbstractionStarter]: For program point L595-2(lines 595 605) no Hoare annotation was computed. [2018-12-02 14:57:28,656 INFO L448 ceAbstractionStarter]: For program point L1388(lines 1388 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,656 INFO L448 ceAbstractionStarter]: For program point L1322(lines 1322 1332) no Hoare annotation was computed. [2018-12-02 14:57:28,656 INFO L448 ceAbstractionStarter]: For program point L1322-2(lines 1322 1332) no Hoare annotation was computed. [2018-12-02 14:57:28,656 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-02 14:57:28,656 INFO L448 ceAbstractionStarter]: For program point L1190(lines 1190 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,656 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-02 14:57:28,656 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-02 14:57:28,656 INFO L448 ceAbstractionStarter]: For program point L992(lines 992 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,656 INFO L448 ceAbstractionStarter]: For program point L794(lines 794 803) no Hoare annotation was computed. [2018-12-02 14:57:28,656 INFO L448 ceAbstractionStarter]: For program point L794-2(lines 794 803) no Hoare annotation was computed. [2018-12-02 14:57:28,656 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,656 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 541) no Hoare annotation was computed. [2018-12-02 14:57:28,656 INFO L448 ceAbstractionStarter]: For program point L530-2(lines 530 541) no Hoare annotation was computed. [2018-12-02 14:57:28,656 INFO L448 ceAbstractionStarter]: For program point L266(lines 266 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,656 INFO L448 ceAbstractionStarter]: For program point L1522(lines 1522 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,656 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,656 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,656 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,656 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,656 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,656 INFO L448 ceAbstractionStarter]: For program point L862(lines 862 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,657 INFO L444 ceAbstractionStarter]: At program point L1655(line 1655) the Hoare annotation is: (let ((.cse33 (+ ~a4~0 85)) (.cse32 (+ |old(~a4~0)| 85))) (let ((.cse8 (< .cse32 0)) (.cse7 (< 0 (+ |old(~a0~0)| 147))) (.cse14 (< |old(~a2~0)| 3)) (.cse27 (+ |old(~a0~0)| 98)) (.cse22 (<= 0 .cse33)) (.cse5 (= ~a2~0 2)) (.cse30 (= 3 |old(~a2~0)|)) (.cse17 (= |old(~a2~0)| ~a2~0)) (.cse3 (= ~a29~0 |old(~a29~0)|)) (.cse4 (< .cse33 0)) (.cse6 (= ~a0~0 |old(~a0~0)|)) (.cse19 (<= (+ |old(~a29~0)| 144) 0)) (.cse2 (<= 0 .cse32))) (let ((.cse12 (or (< 2 |old(~a2~0)|) .cse19 (exists ((v_prenex_12 Int)) (let ((.cse31 (* 9 v_prenex_12))) (and (= 0 (mod .cse31 10)) (<= 588645 (div .cse31 10)) (<= v_prenex_12 |old(~a0~0)|)))) .cse2)) (.cse18 (+ |old(~a0~0)| 44)) (.cse13 (and .cse17 .cse3 .cse4 .cse6)) (.cse20 (not .cse30)) (.cse26 (= 3 ~a2~0)) (.cse9 (and .cse22 .cse3 .cse5 .cse6)) (.cse1 (not (= 2 |old(~a2~0)|))) (.cse15 (< 0 .cse27)) (.cse25 (not (= 4 |old(~a2~0)|))) (.cse16 (or .cse30 .cse7 .cse14)) (.cse23 (or .cse8 .cse19)) (.cse21 (forall ((v_prenex_13 Int)) (let ((.cse29 (mod v_prenex_13 63))) (or (not (= .cse29 0)) (< 0 (+ v_prenex_13 144)) (< .cse29 (+ |old(~a29~0)| 80)))))) (.cse24 (and .cse17 .cse22 (< 0 (+ ~a29~0 144)) .cse3 (not (= ~a2~0 3)) .cse2 .cse6 (<= ~a2~0 3))) (.cse11 (not (= 1 |old(~a2~0)|))) (.cse10 (= ~a2~0 |old(~a2~0)|)) (.cse0 (exists ((v_~a0~0_1000 Int)) (let ((.cse28 (* 9 v_~a0~0_1000))) (and (<= 556427 (div .cse28 10)) (<= 0 .cse28) (<= v_~a0~0_1000 |old(~a0~0)|)))))) (and (or (or .cse0 (or .cse1 .cse2)) (and .cse3 .cse4 .cse5 .cse6)) (or .cse7 .cse8 .cse9 .cse1) (or (and (and .cse3 .cse4 .cse6) .cse10) .cse11 (or .cse12 .cse0)) (or .cse13 .cse14 .cse2 .cse15) (or .cse16 (and .cse17 .cse3 .cse6)) (or (and (and .cse17 .cse3) .cse6) .cse0 (or (or (< .cse18 0) .cse19) .cse20)) (or .cse13 .cse15 (or (< |old(~a29~0)| 44) .cse12)) (or .cse11 .cse8 .cse21 (and .cse22 .cse3 (= 1 ~a2~0) .cse6) .cse15) (or .cse23 (< 0 (+ |old(~a29~0)| 18)) .cse11 .cse15 .cse24) (or .cse11 (or .cse7 .cse8) (and .cse17 .cse22 .cse3 .cse6)) (or .cse8 .cse19 .cse14 .cse15 (and .cse22 .cse3 .cse17 .cse6)) (or .cse0 (and .cse3 .cse4 .cse6 (= 4 ~a2~0)) (or .cse25 .cse2)) (or .cse11 (not (= 0 (+ |old(~a29~0)| 127))) (= |calculate_output_#in~input| 0) (not (= 0 .cse18)) (not (= 0 (+ |old(~a4~0)| 89))) (and (not (= calculate_output_~input 0)) (= (+ ~a4~0 89) 0))) (or .cse7 .cse13 .cse2) (or (or .cse2 .cse20) .cse0 (and .cse3 .cse4 .cse6 .cse26)) (or (or (or .cse8 .cse20) .cse15) (and .cse22 .cse3 .cse6 .cse26)) (or .cse8 .cse19 .cse9 .cse1 .cse15) (or (or .cse25 .cse8 .cse16) .cse22) (or .cse23 .cse11 .cse21 .cse0 .cse24) (or .cse11 .cse0 (and (and .cse3 .cse4) .cse10 .cse6) (or (<= .cse27 0) .cse2)) (or (or .cse19 .cse14 .cse2) .cse0 (and .cse3 .cse17 .cse4 .cse6)))))) [2018-12-02 14:57:28,657 INFO L448 ceAbstractionStarter]: For program point L1655-1(line 1655) no Hoare annotation was computed. [2018-12-02 14:57:28,657 INFO L448 ceAbstractionStarter]: For program point L1589(lines 1589 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,657 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-02 14:57:28,657 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-02 14:57:28,657 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-02 14:57:28,657 INFO L448 ceAbstractionStarter]: For program point L1128(lines 1128 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,657 INFO L448 ceAbstractionStarter]: For program point L1062(lines 1062 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,657 INFO L448 ceAbstractionStarter]: For program point L930(lines 930 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,657 INFO L448 ceAbstractionStarter]: For program point L732(lines 732 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,657 INFO L448 ceAbstractionStarter]: For program point L468(lines 468 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,657 INFO L448 ceAbstractionStarter]: For program point L336(lines 336 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,657 INFO L448 ceAbstractionStarter]: For program point L1261(lines 1261 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,657 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,657 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,657 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,657 INFO L448 ceAbstractionStarter]: For program point L1063(lines 1063 1073) no Hoare annotation was computed. [2018-12-02 14:57:28,657 INFO L448 ceAbstractionStarter]: For program point L1063-2(lines 1063 1073) no Hoare annotation was computed. [2018-12-02 14:57:28,658 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,658 INFO L448 ceAbstractionStarter]: For program point L1394(lines 1394 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,658 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-12-02 14:57:28,658 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-02 14:57:28,658 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-02 14:57:28,658 INFO L448 ceAbstractionStarter]: For program point L998(lines 998 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,658 INFO L448 ceAbstractionStarter]: For program point L668(lines 668 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,658 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,658 INFO L448 ceAbstractionStarter]: For program point L1395(lines 1395 1407) no Hoare annotation was computed. [2018-12-02 14:57:28,658 INFO L448 ceAbstractionStarter]: For program point L1395-2(lines 1395 1407) no Hoare annotation was computed. [2018-12-02 14:57:28,658 INFO L448 ceAbstractionStarter]: For program point L1197(lines 1197 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,658 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,658 INFO L448 ceAbstractionStarter]: For program point L1528(lines 1528 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,658 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,658 INFO L448 ceAbstractionStarter]: For program point L1264(lines 1264 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,658 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,658 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,658 INFO L448 ceAbstractionStarter]: For program point L868(lines 868 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,658 INFO L448 ceAbstractionStarter]: For program point L1595(lines 1595 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,658 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-02 14:57:28,658 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-02 14:57:28,658 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,658 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,658 INFO L448 ceAbstractionStarter]: For program point L1134(lines 1134 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,659 INFO L448 ceAbstractionStarter]: For program point L804(lines 804 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,659 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,659 INFO L448 ceAbstractionStarter]: For program point L474(lines 474 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,659 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,659 INFO L448 ceAbstractionStarter]: For program point L342(lines 342 349) no Hoare annotation was computed. [2018-12-02 14:57:28,659 INFO L448 ceAbstractionStarter]: For program point L1333(lines 1333 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,659 INFO L448 ceAbstractionStarter]: For program point L342-2(lines 342 349) no Hoare annotation was computed. [2018-12-02 14:57:28,659 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,659 INFO L448 ceAbstractionStarter]: For program point L1135(lines 1135 1144) no Hoare annotation was computed. [2018-12-02 14:57:28,659 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,659 INFO L448 ceAbstractionStarter]: For program point L1135-2(lines 1135 1144) no Hoare annotation was computed. [2018-12-02 14:57:28,659 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,659 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-02 14:57:28,659 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-02 14:57:28,659 INFO L448 ceAbstractionStarter]: For program point L1004(lines 1004 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,659 INFO L448 ceAbstractionStarter]: For program point L542(lines 542 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,659 INFO L448 ceAbstractionStarter]: For program point L1533(lines 1533 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,659 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,659 INFO L448 ceAbstractionStarter]: For program point L1203(lines 1203 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,659 INFO L448 ceAbstractionStarter]: For program point L675(lines 675 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,659 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,659 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,659 INFO L448 ceAbstractionStarter]: For program point L874(lines 874 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,659 INFO L448 ceAbstractionStarter]: For program point L742(lines 742 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,659 INFO L448 ceAbstractionStarter]: For program point L1271(lines 1271 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,660 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,660 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-02 14:57:28,660 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-02 14:57:28,660 INFO L448 ceAbstractionStarter]: For program point L1602(lines 1602 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,660 INFO L448 ceAbstractionStarter]: For program point L479(lines 479 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,660 INFO L448 ceAbstractionStarter]: For program point L1338(lines 1338 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,660 INFO L448 ceAbstractionStarter]: For program point L1074(lines 1074 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,660 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,660 INFO L448 ceAbstractionStarter]: For program point L546(lines 546 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,660 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,660 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,660 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,660 INFO L448 ceAbstractionStarter]: For program point L811(lines 811 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,660 INFO L448 ceAbstractionStarter]: For program point L613(lines 613 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,660 INFO L448 ceAbstractionStarter]: For program point L547(lines 547 556) no Hoare annotation was computed. [2018-12-02 14:57:28,660 INFO L448 ceAbstractionStarter]: For program point L547-2(lines 547 556) no Hoare annotation was computed. [2018-12-02 14:57:28,660 INFO L448 ceAbstractionStarter]: For program point L415(lines 415 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,660 INFO L448 ceAbstractionStarter]: For program point L1208(lines 1208 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,660 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-02 14:57:28,660 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-02 14:57:28,660 INFO L448 ceAbstractionStarter]: For program point L1473(lines 1473 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,660 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,660 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,660 INFO L448 ceAbstractionStarter]: For program point L681(lines 681 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,660 INFO L448 ceAbstractionStarter]: For program point L1606(lines 1606 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,660 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,661 INFO L448 ceAbstractionStarter]: For program point L1408(lines 1408 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,661 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,661 INFO L448 ceAbstractionStarter]: For program point L219(lines 219 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,661 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,661 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,661 INFO L448 ceAbstractionStarter]: For program point L880(lines 880 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,661 INFO L448 ceAbstractionStarter]: For program point L748(lines 748 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,661 INFO L448 ceAbstractionStarter]: For program point L1277(lines 1277 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,661 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 228) no Hoare annotation was computed. [2018-12-02 14:57:28,661 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-02 14:57:28,661 INFO L448 ceAbstractionStarter]: For program point L220-2(lines 220 228) no Hoare annotation was computed. [2018-12-02 14:57:28,661 INFO L448 ceAbstractionStarter]: For program point L1145(lines 1145 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,661 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-02 14:57:28,661 INFO L448 ceAbstractionStarter]: For program point L1344(lines 1344 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,661 INFO L448 ceAbstractionStarter]: For program point L1212(lines 1212 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,661 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,661 INFO L448 ceAbstractionStarter]: For program point L486(lines 486 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,661 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,661 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,661 INFO L448 ceAbstractionStarter]: For program point L1081(lines 1081 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,661 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-12-02 14:57:28,661 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,661 INFO L448 ceAbstractionStarter]: For program point L817(lines 817 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,661 INFO L448 ceAbstractionStarter]: For program point L1478(lines 1478 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,661 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,661 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-02 14:57:28,661 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-02 14:57:28,662 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-02 14:57:28,662 INFO L448 ceAbstractionStarter]: For program point L1016(lines 1016 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,662 INFO L448 ceAbstractionStarter]: For program point L620(lines 620 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,662 INFO L448 ceAbstractionStarter]: For program point L422(lines 422 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,662 INFO L448 ceAbstractionStarter]: For program point L1413(lines 1413 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,662 INFO L448 ceAbstractionStarter]: For program point L885(lines 885 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,662 INFO L448 ceAbstractionStarter]: For program point L687(lines 687 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,662 INFO L448 ceAbstractionStarter]: For program point L1612(lines 1612 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,662 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,662 INFO L448 ceAbstractionStarter]: For program point L1150(lines 1150 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,662 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,662 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,662 INFO L448 ceAbstractionStarter]: For program point L886(lines 886 894) no Hoare annotation was computed. [2018-12-02 14:57:28,662 INFO L448 ceAbstractionStarter]: For program point L886-2(lines 886 894) no Hoare annotation was computed. [2018-12-02 14:57:28,662 INFO L448 ceAbstractionStarter]: For program point L754(lines 754 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,662 INFO L448 ceAbstractionStarter]: For program point L1613(lines 1613 1622) no Hoare annotation was computed. [2018-12-02 14:57:28,662 INFO L448 ceAbstractionStarter]: For program point L1547(lines 1547 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,662 INFO L448 ceAbstractionStarter]: For program point L1613-2(lines 1613 1622) no Hoare annotation was computed. [2018-12-02 14:57:28,662 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,662 INFO L448 ceAbstractionStarter]: For program point L1283(lines 1283 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,662 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-02 14:57:28,662 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-02 14:57:28,662 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-02 14:57:28,662 INFO L448 ceAbstractionStarter]: For program point L1019(lines 1019 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,662 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,662 INFO L448 ceAbstractionStarter]: For program point L491(lines 491 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,663 INFO L448 ceAbstractionStarter]: For program point L1482(lines 1482 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,663 INFO L448 ceAbstractionStarter]: For program point L1350(lines 1350 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,663 INFO L448 ceAbstractionStarter]: For program point L1218(lines 1218 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,663 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,663 INFO L448 ceAbstractionStarter]: For program point L558(lines 558 568) no Hoare annotation was computed. [2018-12-02 14:57:28,663 INFO L448 ceAbstractionStarter]: For program point L558-2(lines 558 568) no Hoare annotation was computed. [2018-12-02 14:57:28,663 INFO L448 ceAbstractionStarter]: For program point L1351(lines 1351 1358) no Hoare annotation was computed. [2018-12-02 14:57:28,663 INFO L448 ceAbstractionStarter]: For program point L1351-2(lines 1351 1358) no Hoare annotation was computed. [2018-12-02 14:57:28,663 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,663 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,663 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,663 INFO L448 ceAbstractionStarter]: For program point L955(lines 955 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,663 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,663 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,663 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-02 14:57:28,663 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-02 14:57:28,663 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-02 14:57:28,663 INFO L448 ceAbstractionStarter]: For program point L824(lines 824 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,663 INFO L448 ceAbstractionStarter]: For program point L428(lines 428 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,663 INFO L448 ceAbstractionStarter]: For program point L1419(lines 1419 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,663 INFO L448 ceAbstractionStarter]: For program point L693(lines 693 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,663 INFO L448 ceAbstractionStarter]: For program point L627(lines 627 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,663 INFO L448 ceAbstractionStarter]: For program point L1420(lines 1420 1430) no Hoare annotation was computed. [2018-12-02 14:57:28,663 INFO L448 ceAbstractionStarter]: For program point L1420-2(lines 1420 1430) no Hoare annotation was computed. [2018-12-02 14:57:28,663 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,663 INFO L448 ceAbstractionStarter]: For program point L1156(lines 1156 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,663 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,664 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 14:57:28,664 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 706) no Hoare annotation was computed. [2018-12-02 14:57:28,664 INFO L448 ceAbstractionStarter]: For program point L694-2(lines 694 706) no Hoare annotation was computed. [2018-12-02 14:57:28,664 INFO L448 ceAbstractionStarter]: For program point L1289(lines 1289 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,664 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-02 14:57:28,664 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-02 14:57:28,664 INFO L448 ceAbstractionStarter]: For program point L1091(lines 1091 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,664 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-02 14:57:28,664 INFO L448 ceAbstractionStarter]: For program point L959(lines 959 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,664 INFO L448 ceAbstractionStarter]: For program point L761(lines 761 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,664 INFO L448 ceAbstractionStarter]: For program point L1554(lines 1554 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,664 INFO L448 ceAbstractionStarter]: For program point L497(lines 497 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,664 INFO L448 ceAbstractionStarter]: For program point L1488(lines 1488 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,664 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,664 INFO L448 ceAbstractionStarter]: For program point L1290(lines 1290 1299) no Hoare annotation was computed. [2018-12-02 14:57:28,664 INFO L448 ceAbstractionStarter]: For program point L1224(lines 1224 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,664 INFO L448 ceAbstractionStarter]: For program point L1290-2(lines 1290 1299) no Hoare annotation was computed. [2018-12-02 14:57:28,664 INFO L448 ceAbstractionStarter]: For program point L1026(lines 1026 1654) no Hoare annotation was computed. [2018-12-02 14:57:28,664 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 14:57:28,664 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 14:57:28,664 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 14:57:28,664 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 14:57:28,664 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1760 1776) the Hoare annotation is: (or (not (= 1 |old(~a2~0)|)) (not (= 0 (+ |old(~a29~0)| 127))) (not (= 0 (+ |old(~a0~0)| 44))) (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 14:57:28,664 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1760 1776) no Hoare annotation was computed. [2018-12-02 14:57:28,665 INFO L444 ceAbstractionStarter]: At program point L1774(line 1774) the Hoare annotation is: (let ((.cse9 (+ ~a0~0 98))) (let ((.cse7 (= 3 ~a2~0)) (.cse4 (<= .cse9 0)) (.cse6 (= ~a2~0 2)) (.cse10 (<= (+ ~a0~0 147) 0)) (.cse2 (<= 3 ~a2~0)) (.cse3 (= 1 ~a2~0)) (.cse0 (forall ((v_~a0~0_1000 Int)) (let ((.cse11 (* 9 v_~a0~0_1000))) (or (< ~a0~0 v_~a0~0_1000) (< (div .cse11 10) 556427) (< .cse11 0))))) (.cse5 (< 0 (+ ~a29~0 144))) (.cse1 (< (+ ~a4~0 85) 0))) (or (not (= 1 |old(~a2~0)|)) (and .cse0 .cse1 .cse2 (<= ~a2~0 4)) (not (= 0 (+ |old(~a0~0)| 44))) (and .cse3 (and (<= (+ ~a29~0 18) 0) .cse4 (< 0 (+ ~a4~0 86)))) (and .cse4 (and (<= 44 ~a29~0) .cse1)) (and .cse4 .cse5 .cse6) (and .cse0 (and (and .cse5 (<= 0 (+ ~a0~0 44))) .cse7)) (and .cse0 (exists ((v_prenex_13 Int)) (let ((.cse8 (mod v_prenex_13 63))) (and (= .cse8 0) (<= (+ v_prenex_13 144) 0) (<= (+ ~a29~0 80) .cse8)))) .cse5 .cse3) (and .cse0 (and .cse1 (< 0 .cse9)) .cse3) (and .cse4 .cse1 .cse2) (not (= 0 (+ |old(~a4~0)| 89))) (and .cse10 (= 2 ~a2~0)) (and .cse0 (and .cse5 .cse1 .cse2)) (not (= 0 (+ |old(~a29~0)| 127))) (and .cse4 .cse7) (and .cse1 .cse10) (and .cse3 .cse10) (and .cse4 .cse5 .cse2) (and .cse0 .cse1 .cse6) (and .cse10 .cse2) (and .cse3 (and .cse0 (and .cse5 .cse1)))))) [2018-12-02 14:57:28,665 INFO L448 ceAbstractionStarter]: For program point L1774-1(line 1774) no Hoare annotation was computed. [2018-12-02 14:57:28,665 INFO L448 ceAbstractionStarter]: For program point L1771(line 1771) no Hoare annotation was computed. [2018-12-02 14:57:28,665 INFO L444 ceAbstractionStarter]: At program point L1766-2(lines 1766 1775) the Hoare annotation is: (let ((.cse9 (+ ~a0~0 98))) (let ((.cse7 (= 3 ~a2~0)) (.cse4 (<= .cse9 0)) (.cse6 (= ~a2~0 2)) (.cse10 (<= (+ ~a0~0 147) 0)) (.cse2 (<= 3 ~a2~0)) (.cse3 (= 1 ~a2~0)) (.cse0 (forall ((v_~a0~0_1000 Int)) (let ((.cse11 (* 9 v_~a0~0_1000))) (or (< ~a0~0 v_~a0~0_1000) (< (div .cse11 10) 556427) (< .cse11 0))))) (.cse5 (< 0 (+ ~a29~0 144))) (.cse1 (< (+ ~a4~0 85) 0))) (or (not (= 1 |old(~a2~0)|)) (and .cse0 .cse1 .cse2 (<= ~a2~0 4)) (not (= 0 (+ |old(~a0~0)| 44))) (and .cse3 (and (<= (+ ~a29~0 18) 0) .cse4 (< 0 (+ ~a4~0 86)))) (and .cse4 (and (<= 44 ~a29~0) .cse1)) (and .cse4 .cse5 .cse6) (and .cse0 (and (and .cse5 (<= 0 (+ ~a0~0 44))) .cse7)) (and .cse0 (exists ((v_prenex_13 Int)) (let ((.cse8 (mod v_prenex_13 63))) (and (= .cse8 0) (<= (+ v_prenex_13 144) 0) (<= (+ ~a29~0 80) .cse8)))) .cse5 .cse3) (and .cse0 (and .cse1 (< 0 .cse9)) .cse3) (and .cse4 .cse1 .cse2) (not (= 0 (+ |old(~a4~0)| 89))) (and .cse10 (= 2 ~a2~0)) (and .cse0 (and .cse5 .cse1 .cse2)) (not (= 0 (+ |old(~a29~0)| 127))) (and .cse4 .cse7) (and .cse1 .cse10) (and .cse3 .cse10) (and .cse4 .cse5 .cse2) (and .cse0 .cse1 .cse6) (and .cse10 .cse2) (and .cse3 (and .cse0 (and .cse5 .cse1)))))) [2018-12-02 14:57:28,666 INFO L448 ceAbstractionStarter]: For program point L1766-3(lines 1760 1776) no Hoare annotation was computed. [2018-12-02 14:57:28,669 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,669 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,670 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,670 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,670 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,670 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,670 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,670 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,670 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,671 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-02 14:57:28,671 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-02 14:57:28,671 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-02 14:57:28,671 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,671 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,671 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,671 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,674 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,674 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,674 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,675 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,675 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,675 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,675 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,675 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,679 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,679 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,679 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,679 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,679 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,679 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,680 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,680 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,680 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,680 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-02 14:57:28,680 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-02 14:57:28,680 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-02 14:57:28,680 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,680 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,680 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,683 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,683 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,684 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,684 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,684 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,684 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,684 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,684 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,684 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:57:28 BoogieIcfgContainer [2018-12-02 14:57:28,686 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 14:57:28,686 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 14:57:28,686 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 14:57:28,686 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 14:57:28,686 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:54:38" (3/4) ... [2018-12-02 14:57:28,689 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 14:57:28,693 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 14:57:28,693 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-12-02 14:57:28,693 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-02 14:57:28,693 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 14:57:28,705 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-02 14:57:28,706 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 14:57:28,725 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((!(1 == \old(a2)) || ((((forall v_~a0~0_1000 : int :: (a0 < v_~a0~0_1000 || 9 * v_~a0~0_1000 / 10 < 556427) || 9 * v_~a0~0_1000 < 0) && a4 + 85 < 0) && 3 <= a2) && a2 <= 4)) || !(0 == \old(a0) + 44)) || (1 == a2 && (a29 + 18 <= 0 && a0 + 98 <= 0) && 0 < a4 + 86)) || (a0 + 98 <= 0 && 44 <= a29 && a4 + 85 < 0)) || ((a0 + 98 <= 0 && 0 < a29 + 144) && a2 == 2)) || ((forall v_~a0~0_1000 : int :: (a0 < v_~a0~0_1000 || 9 * v_~a0~0_1000 / 10 < 556427) || 9 * v_~a0~0_1000 < 0) && (0 < a29 + 144 && 0 <= a0 + 44) && 3 == a2)) || ((((forall v_~a0~0_1000 : int :: (a0 < v_~a0~0_1000 || 9 * v_~a0~0_1000 / 10 < 556427) || 9 * v_~a0~0_1000 < 0) && (\exists v_prenex_13 : int :: (v_prenex_13 % 63 == 0 && v_prenex_13 + 144 <= 0) && a29 + 80 <= v_prenex_13 % 63)) && 0 < a29 + 144) && 1 == a2)) || (((forall v_~a0~0_1000 : int :: (a0 < v_~a0~0_1000 || 9 * v_~a0~0_1000 / 10 < 556427) || 9 * v_~a0~0_1000 < 0) && a4 + 85 < 0 && 0 < a0 + 98) && 1 == a2)) || ((a0 + 98 <= 0 && a4 + 85 < 0) && 3 <= a2)) || !(0 == \old(a4) + 89)) || (a0 + 147 <= 0 && 2 == a2)) || ((forall v_~a0~0_1000 : int :: (a0 < v_~a0~0_1000 || 9 * v_~a0~0_1000 / 10 < 556427) || 9 * v_~a0~0_1000 < 0) && (0 < a29 + 144 && a4 + 85 < 0) && 3 <= a2)) || !(0 == \old(a29) + 127)) || (a0 + 98 <= 0 && 3 == a2)) || (a4 + 85 < 0 && a0 + 147 <= 0)) || (1 == a2 && a0 + 147 <= 0)) || ((a0 + 98 <= 0 && 0 < a29 + 144) && 3 <= a2)) || (((forall v_~a0~0_1000 : int :: (a0 < v_~a0~0_1000 || 9 * v_~a0~0_1000 / 10 < 556427) || 9 * v_~a0~0_1000 < 0) && a4 + 85 < 0) && a2 == 2)) || (a0 + 147 <= 0 && 3 <= a2)) || (1 == a2 && (forall v_~a0~0_1000 : int :: (a0 < v_~a0~0_1000 || 9 * v_~a0~0_1000 / 10 < 556427) || 9 * v_~a0~0_1000 < 0) && 0 < a29 + 144 && a4 + 85 < 0) [2018-12-02 14:57:28,808 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f56101c7-231a-4b5a-bd15-4add8efd3aee/bin-2019/utaipan/witness.graphml [2018-12-02 14:57:28,808 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 14:57:28,809 INFO L168 Benchmark]: Toolchain (without parser) took 172397.33 ms. Allocated memory was 1.0 GB in the beginning and 4.9 GB in the end (delta: 3.9 GB). Free memory was 939.0 MB in the beginning and 2.6 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.3 GB. Max. memory is 11.5 GB. [2018-12-02 14:57:28,809 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 14:57:28,809 INFO L168 Benchmark]: CACSL2BoogieTranslator took 604.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 939.0 MB in the beginning and 1.1 GB in the end (delta: -167.1 MB). Peak memory consumption was 82.9 MB. Max. memory is 11.5 GB. [2018-12-02 14:57:28,809 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-02 14:57:28,810 INFO L168 Benchmark]: Boogie Preprocessor took 88.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2018-12-02 14:57:28,810 INFO L168 Benchmark]: RCFGBuilder took 1600.10 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 88.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -124.2 MB). Peak memory consumption was 295.6 MB. Max. memory is 11.5 GB. [2018-12-02 14:57:28,810 INFO L168 Benchmark]: TraceAbstraction took 169947.00 ms. Allocated memory was 1.3 GB in the beginning and 4.9 GB in the end (delta: 3.6 GB). Free memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 4.3 GB. Max. memory is 11.5 GB. [2018-12-02 14:57:28,810 INFO L168 Benchmark]: Witness Printer took 122.02 ms. Allocated memory is still 4.9 GB. Free memory was 2.6 GB in the beginning and 2.6 GB in the end (delta: 77.0 MB). Peak memory consumption was 77.0 MB. Max. memory is 11.5 GB. [2018-12-02 14:57:28,812 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 604.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 939.0 MB in the beginning and 1.1 GB in the end (delta: -167.1 MB). Peak memory consumption was 82.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 88.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1600.10 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 88.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -124.2 MB). Peak memory consumption was 295.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 169947.00 ms. Allocated memory was 1.3 GB in the beginning and 4.9 GB in the end (delta: 3.6 GB). Free memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 4.3 GB. Max. memory is 11.5 GB. * Witness Printer took 122.02 ms. Allocated memory is still 4.9 GB. Free memory was 2.6 GB in the beginning and 2.6 GB in the end (delta: 77.0 MB). Peak memory consumption was 77.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 142]: 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 14:57:28,814 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,814 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,814 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,814 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,815 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,815 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,815 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,815 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,815 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,815 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-02 14:57:28,815 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-02 14:57:28,815 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-02 14:57:28,815 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,815 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,816 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,816 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,816 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,816 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,816 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,816 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,816 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,816 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,816 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,816 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,817 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,817 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,817 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,817 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,817 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,817 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,817 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,818 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,818 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,818 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-02 14:57:28,818 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-02 14:57:28,818 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-12-02 14:57:28,818 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,818 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,818 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,818 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,818 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,819 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,819 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,819 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,819 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,819 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,819 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] [2018-12-02 14:57:28,819 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a0~0_1000,QUANTIFIED] Derived loop invariant: (((((((((((((((((((!(1 == \old(a2)) || ((((forall v_~a0~0_1000 : int :: (a0 < v_~a0~0_1000 || 9 * v_~a0~0_1000 / 10 < 556427) || 9 * v_~a0~0_1000 < 0) && a4 + 85 < 0) && 3 <= a2) && a2 <= 4)) || !(0 == \old(a0) + 44)) || (1 == a2 && (a29 + 18 <= 0 && a0 + 98 <= 0) && 0 < a4 + 86)) || (a0 + 98 <= 0 && 44 <= a29 && a4 + 85 < 0)) || ((a0 + 98 <= 0 && 0 < a29 + 144) && a2 == 2)) || ((forall v_~a0~0_1000 : int :: (a0 < v_~a0~0_1000 || 9 * v_~a0~0_1000 / 10 < 556427) || 9 * v_~a0~0_1000 < 0) && (0 < a29 + 144 && 0 <= a0 + 44) && 3 == a2)) || ((((forall v_~a0~0_1000 : int :: (a0 < v_~a0~0_1000 || 9 * v_~a0~0_1000 / 10 < 556427) || 9 * v_~a0~0_1000 < 0) && (\exists v_prenex_13 : int :: (v_prenex_13 % 63 == 0 && v_prenex_13 + 144 <= 0) && a29 + 80 <= v_prenex_13 % 63)) && 0 < a29 + 144) && 1 == a2)) || (((forall v_~a0~0_1000 : int :: (a0 < v_~a0~0_1000 || 9 * v_~a0~0_1000 / 10 < 556427) || 9 * v_~a0~0_1000 < 0) && a4 + 85 < 0 && 0 < a0 + 98) && 1 == a2)) || ((a0 + 98 <= 0 && a4 + 85 < 0) && 3 <= a2)) || !(0 == \old(a4) + 89)) || (a0 + 147 <= 0 && 2 == a2)) || ((forall v_~a0~0_1000 : int :: (a0 < v_~a0~0_1000 || 9 * v_~a0~0_1000 / 10 < 556427) || 9 * v_~a0~0_1000 < 0) && (0 < a29 + 144 && a4 + 85 < 0) && 3 <= a2)) || !(0 == \old(a29) + 127)) || (a0 + 98 <= 0 && 3 == a2)) || (a4 + 85 < 0 && a0 + 147 <= 0)) || (1 == a2 && a0 + 147 <= 0)) || ((a0 + 98 <= 0 && 0 < a29 + 144) && 3 <= a2)) || (((forall v_~a0~0_1000 : int :: (a0 < v_~a0~0_1000 || 9 * v_~a0~0_1000 / 10 < 556427) || 9 * v_~a0~0_1000 < 0) && a4 + 85 < 0) && a2 == 2)) || (a0 + 147 <= 0 && 3 <= a2)) || (1 == a2 && (forall v_~a0~0_1000 : int :: (a0 < v_~a0~0_1000 || 9 * v_~a0~0_1000 / 10 < 556427) || 9 * v_~a0~0_1000 < 0) && 0 < a29 + 144 && a4 + 85 < 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 437 locations, 1 error locations. SAFE Result, 169.8s OverallTime, 20 OverallIterations, 8 TraceHistogramMax, 97.8s AutomataDifference, 0.0s DeadEndRemovalTime, 15.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 3635 SDtfs, 34735 SDslu, 3632 SDs, 0 SdLazy, 49210 SolverSat, 9471 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 78.4s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 20407 GetRequests, 20078 SyntacticMatches, 34 SemanticMatches, 295 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5193 ImplicationChecksByTransitivity, 14.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31009occurred in iteration=17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 25.7s AbstIntTime, 15 AbstIntIterations, 1 AbstIntStrong, 0.9982634109362221 AbsIntWeakeningRatio, 0.09216589861751152 AbsIntAvgWeakeningVarsNumRemoved, 16.62672811059908 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 3.1s AutomataMinimizationTime, 20 MinimizatonAttempts, 16862 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 3664 PreInvPairs, 3865 NumberOfFragments, 3762 HoareAnnotationTreeSize, 3664 FomulaSimplifications, 149534 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 9 FomulaSimplificationsInter, 105716 FormulaSimplificationTreeSizeReductionInter, 14.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.4s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 21.1s InterpolantComputationTime, 21116 NumberOfCodeBlocks, 21116 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 30955 ConstructedInterpolants, 1151 QuantifiedInterpolants, 81467752 SizeOfPredicates, 18 NumberOfNonLiveVariables, 13329 ConjunctsInSsa, 81 ConjunctsInUnsatCore, 48 InterpolantComputations, 14 PerfectInterpolantSequences, 40242/43626 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...