./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label05_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_36f41972-355e-456d-b891-7f1200f12846/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_36f41972-355e-456d-b891-7f1200f12846/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_36f41972-355e-456d-b891-7f1200f12846/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_36f41972-355e-456d-b891-7f1200f12846/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label05_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_36f41972-355e-456d-b891-7f1200f12846/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_36f41972-355e-456d-b891-7f1200f12846/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 6893c9ea3ad65b75d2a8fdb58db378617d0e1a5f ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 12:22:00,208 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:22:00,210 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:22:00,220 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:22:00,220 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:22:00,221 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:22:00,222 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:22:00,223 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:22:00,224 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:22:00,225 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:22:00,226 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:22:00,226 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:22:00,227 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:22:00,228 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:22:00,229 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:22:00,229 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:22:00,230 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:22:00,231 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:22:00,233 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:22:00,234 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:22:00,235 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:22:00,236 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:22:00,238 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:22:00,238 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:22:00,239 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:22:00,239 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:22:00,240 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:22:00,241 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:22:00,242 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:22:00,242 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:22:00,243 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:22:00,243 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:22:00,243 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:22:00,244 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:22:00,244 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:22:00,245 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:22:00,245 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_36f41972-355e-456d-b891-7f1200f12846/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 12:22:00,257 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:22:00,258 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:22:00,258 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:22:00,259 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 12:22:00,259 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 12:22:00,259 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 12:22:00,259 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 12:22:00,259 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 12:22:00,260 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 12:22:00,260 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 12:22:00,260 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 12:22:00,260 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 12:22:00,260 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 12:22:00,261 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:22:00,261 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:22:00,261 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:22:00,262 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:22:00,262 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:22:00,262 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:22:00,262 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:22:00,262 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:22:00,262 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:22:00,263 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:22:00,263 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:22:00,263 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:22:00,263 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:22:00,263 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 12:22:00,264 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:22:00,264 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 12:22:00,264 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 12:22:00,264 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:22:00,264 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:22:00,264 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:22:00,265 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 12:22:00,265 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:22:00,265 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 12:22:00,265 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 12:22:00,265 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_36f41972-355e-456d-b891-7f1200f12846/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 -> 6893c9ea3ad65b75d2a8fdb58db378617d0e1a5f [2018-11-23 12:22:00,293 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:22:00,304 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:22:00,307 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:22:00,309 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:22:00,309 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:22:00,310 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_36f41972-355e-456d-b891-7f1200f12846/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label05_true-unreach-call_false-termination.c [2018-11-23 12:22:00,359 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_36f41972-355e-456d-b891-7f1200f12846/bin-2019/utaipan/data/e558c016f/2bf18410bdfe41a588bb0ff81c0b63db/FLAG7db13e09a [2018-11-23 12:22:00,763 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:22:00,764 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_36f41972-355e-456d-b891-7f1200f12846/sv-benchmarks/c/eca-rers2012/Problem01_label05_true-unreach-call_false-termination.c [2018-11-23 12:22:00,774 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_36f41972-355e-456d-b891-7f1200f12846/bin-2019/utaipan/data/e558c016f/2bf18410bdfe41a588bb0ff81c0b63db/FLAG7db13e09a [2018-11-23 12:22:00,788 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_36f41972-355e-456d-b891-7f1200f12846/bin-2019/utaipan/data/e558c016f/2bf18410bdfe41a588bb0ff81c0b63db [2018-11-23 12:22:00,791 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:22:00,792 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:22:00,793 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:22:00,793 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:22:00,797 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:22:00,797 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:22:00" (1/1) ... [2018-11-23 12:22:00,800 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72019208 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:00, skipping insertion in model container [2018-11-23 12:22:00,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:22:00" (1/1) ... [2018-11-23 12:22:00,810 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:22:00,853 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:22:01,126 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:22:01,130 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:22:01,206 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:22:01,221 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:22:01,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:01 WrapperNode [2018-11-23 12:22:01,221 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:22:01,222 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:22:01,222 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:22:01,222 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:22:01,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:01" (1/1) ... [2018-11-23 12:22:01,300 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:01" (1/1) ... [2018-11-23 12:22:01,308 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:22:01,308 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:22:01,308 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:22:01,308 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:22:01,316 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:01" (1/1) ... [2018-11-23 12:22:01,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:01" (1/1) ... [2018-11-23 12:22:01,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:01" (1/1) ... [2018-11-23 12:22:01,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:01" (1/1) ... [2018-11-23 12:22:01,348 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:01" (1/1) ... [2018-11-23 12:22:01,358 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:01" (1/1) ... [2018-11-23 12:22:01,363 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:01" (1/1) ... [2018-11-23 12:22:01,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:22:01,369 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:22:01,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:22:01,370 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:22:01,370 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_36f41972-355e-456d-b891-7f1200f12846/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 [2018-11-23 12:22:01,421 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 12:22:01,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 12:22:01,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 12:22:01,421 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 12:22:01,421 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 12:22:01,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:22:01,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:22:01,422 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 12:22:01,422 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 12:22:02,262 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:22:02,262 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 12:22:02,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:22:02 BoogieIcfgContainer [2018-11-23 12:22:02,262 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:22:02,263 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 12:22:02,263 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 12:22:02,266 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 12:22:02,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:22:00" (1/3) ... [2018-11-23 12:22:02,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7350f907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:22:02, skipping insertion in model container [2018-11-23 12:22:02,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:22:01" (2/3) ... [2018-11-23 12:22:02,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7350f907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:22:02, skipping insertion in model container [2018-11-23 12:22:02,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:22:02" (3/3) ... [2018-11-23 12:22:02,270 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label05_true-unreach-call_false-termination.c [2018-11-23 12:22:02,279 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 12:22:02,287 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 12:22:02,303 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 12:22:02,335 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 12:22:02,335 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 12:22:02,335 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 12:22:02,335 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 12:22:02,335 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 12:22:02,335 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 12:22:02,335 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 12:22:02,336 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 12:22:02,356 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-11-23 12:22:02,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-23 12:22:02,364 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:22:02,367 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:22:02,369 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:22:02,374 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:22:02,375 INFO L82 PathProgramCache]: Analyzing trace with hash -1904695938, now seen corresponding path program 1 times [2018-11-23 12:22:02,377 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:22:02,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:22:02,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:22:02,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:22:02,428 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:22:02,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:22:02,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:22:02,720 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:22:02,720 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 12:22:02,721 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:22:02,725 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:22:02,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:22:02,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:22:02,739 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-11-23 12:22:03,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:22:03,275 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-11-23 12:22:03,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:22:03,277 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2018-11-23 12:22:03,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:22:03,286 INFO L225 Difference]: With dead ends: 547 [2018-11-23 12:22:03,286 INFO L226 Difference]: Without dead ends: 338 [2018-11-23 12:22:03,289 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:22:03,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2018-11-23 12:22:03,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2018-11-23 12:22:03,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2018-11-23 12:22:03,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 560 transitions. [2018-11-23 12:22:03,334 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 560 transitions. Word has length 100 [2018-11-23 12:22:03,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:22:03,335 INFO L480 AbstractCegarLoop]: Abstraction has 338 states and 560 transitions. [2018-11-23 12:22:03,335 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:22:03,335 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 560 transitions. [2018-11-23 12:22:03,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-23 12:22:03,339 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:22:03,339 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-23 12:22:03,339 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:22:03,339 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:22:03,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1236531093, now seen corresponding path program 1 times [2018-11-23 12:22:03,340 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:22:03,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:22:03,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:22:03,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:22:03,341 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:22:03,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:22:03,443 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:22:03,444 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:22:03,444 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 12:22:03,444 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:22:03,446 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 12:22:03,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 12:22:03,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 12:22:03,447 INFO L87 Difference]: Start difference. First operand 338 states and 560 transitions. Second operand 6 states. [2018-11-23 12:22:04,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:22:04,052 INFO L93 Difference]: Finished difference Result 881 states and 1484 transitions. [2018-11-23 12:22:04,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 12:22:04,052 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 110 [2018-11-23 12:22:04,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:22:04,055 INFO L225 Difference]: With dead ends: 881 [2018-11-23 12:22:04,056 INFO L226 Difference]: Without dead ends: 549 [2018-11-23 12:22:04,058 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 [2018-11-23 12:22:04,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2018-11-23 12:22:04,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 536. [2018-11-23 12:22:04,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2018-11-23 12:22:04,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 824 transitions. [2018-11-23 12:22:04,080 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 824 transitions. Word has length 110 [2018-11-23 12:22:04,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:22:04,080 INFO L480 AbstractCegarLoop]: Abstraction has 536 states and 824 transitions. [2018-11-23 12:22:04,080 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 12:22:04,081 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 824 transitions. [2018-11-23 12:22:04,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-23 12:22:04,082 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:22:04,082 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-23 12:22:04,083 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:22:04,083 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:22:04,083 INFO L82 PathProgramCache]: Analyzing trace with hash 235879383, now seen corresponding path program 1 times [2018-11-23 12:22:04,083 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:22:04,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:22:04,084 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:22:04,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:22:04,084 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:22:04,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:22:04,182 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:22:04,183 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:22:04,183 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 12:22:04,183 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:22:04,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:22:04,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:22:04,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:22:04,184 INFO L87 Difference]: Start difference. First operand 536 states and 824 transitions. Second operand 3 states. [2018-11-23 12:22:04,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:22:04,554 INFO L93 Difference]: Finished difference Result 1521 states and 2423 transitions. [2018-11-23 12:22:04,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:22:04,555 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2018-11-23 12:22:04,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:22:04,560 INFO L225 Difference]: With dead ends: 1521 [2018-11-23 12:22:04,560 INFO L226 Difference]: Without dead ends: 991 [2018-11-23 12:22:04,562 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:22:04,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2018-11-23 12:22:04,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 991. [2018-11-23 12:22:04,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 991 states. [2018-11-23 12:22:04,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1482 transitions. [2018-11-23 12:22:04,593 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1482 transitions. Word has length 111 [2018-11-23 12:22:04,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:22:04,593 INFO L480 AbstractCegarLoop]: Abstraction has 991 states and 1482 transitions. [2018-11-23 12:22:04,593 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:22:04,593 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1482 transitions. [2018-11-23 12:22:04,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-23 12:22:04,596 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:22:04,596 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:22:04,597 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:22:04,597 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:22:04,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1258087941, now seen corresponding path program 1 times [2018-11-23 12:22:04,597 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:22:04,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:22:04,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:22:04,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:22:04,598 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:22:04,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:22:04,693 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:22:04,693 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:22:04,693 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 12:22:04,694 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:22:04,694 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 12:22:04,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 12:22:04,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 12:22:04,694 INFO L87 Difference]: Start difference. First operand 991 states and 1482 transitions. Second operand 6 states. [2018-11-23 12:22:05,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:22:05,474 INFO L93 Difference]: Finished difference Result 2904 states and 4593 transitions. [2018-11-23 12:22:05,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 12:22:05,476 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 125 [2018-11-23 12:22:05,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:22:05,485 INFO L225 Difference]: With dead ends: 2904 [2018-11-23 12:22:05,485 INFO L226 Difference]: Without dead ends: 1919 [2018-11-23 12:22:05,490 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 [2018-11-23 12:22:05,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1919 states. [2018-11-23 12:22:05,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1919 to 1870. [2018-11-23 12:22:05,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1870 states. [2018-11-23 12:22:05,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1870 states to 1870 states and 2645 transitions. [2018-11-23 12:22:05,545 INFO L78 Accepts]: Start accepts. Automaton has 1870 states and 2645 transitions. Word has length 125 [2018-11-23 12:22:05,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:22:05,546 INFO L480 AbstractCegarLoop]: Abstraction has 1870 states and 2645 transitions. [2018-11-23 12:22:05,546 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 12:22:05,546 INFO L276 IsEmpty]: Start isEmpty. Operand 1870 states and 2645 transitions. [2018-11-23 12:22:05,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-23 12:22:05,551 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:22:05,551 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:22:05,551 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:22:05,551 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:22:05,552 INFO L82 PathProgramCache]: Analyzing trace with hash -676972618, now seen corresponding path program 1 times [2018-11-23 12:22:05,552 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:22:05,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:22:05,553 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:22:05,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:22:05,553 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:22:05,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:22:05,635 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:22:05,635 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:22:05,635 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:22:05,636 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 143 with the following transitions: [2018-11-23 12:22:05,637 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 12:22:05,675 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:22:05,675 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:22:06,263 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 12:22:06,264 INFO L272 AbstractInterpreter]: Visited 104 different actions 201 times. Merged at 3 different actions 3 times. Never widened. Performed 2886 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2886 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-23 12:22:06,278 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:22:06,278 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 12:22:06,602 INFO L227 lantSequenceWeakener]: Weakened 139 states. On average, predicates are now at 81.59% of their original sizes. [2018-11-23 12:22:06,602 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 12:22:06,667 INFO L415 sIntCurrentIteration]: We unified 141 AI predicates to 141 [2018-11-23 12:22:06,667 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 12:22:06,668 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 12:22:06,668 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 12:22:06,668 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:22:06,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 12:22:06,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 12:22:06,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 12:22:06,669 INFO L87 Difference]: Start difference. First operand 1870 states and 2645 transitions. Second operand 10 states. [2018-11-23 12:22:11,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:22:11,492 INFO L93 Difference]: Finished difference Result 5425 states and 7664 transitions. [2018-11-23 12:22:11,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 12:22:11,492 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 142 [2018-11-23 12:22:11,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:22:11,504 INFO L225 Difference]: With dead ends: 5425 [2018-11-23 12:22:11,504 INFO L226 Difference]: Without dead ends: 3561 [2018-11-23 12:22:11,510 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 151 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-23 12:22:11,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3561 states. [2018-11-23 12:22:11,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3561 to 3521. [2018-11-23 12:22:11,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3521 states. [2018-11-23 12:22:11,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3521 states to 3521 states and 4495 transitions. [2018-11-23 12:22:11,594 INFO L78 Accepts]: Start accepts. Automaton has 3521 states and 4495 transitions. Word has length 142 [2018-11-23 12:22:11,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:22:11,595 INFO L480 AbstractCegarLoop]: Abstraction has 3521 states and 4495 transitions. [2018-11-23 12:22:11,595 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 12:22:11,595 INFO L276 IsEmpty]: Start isEmpty. Operand 3521 states and 4495 transitions. [2018-11-23 12:22:11,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-23 12:22:11,601 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:22:11,602 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:22:11,602 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:22:11,602 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:22:11,602 INFO L82 PathProgramCache]: Analyzing trace with hash 818674521, now seen corresponding path program 1 times [2018-11-23 12:22:11,602 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:22:11,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:22:11,603 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:22:11,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:22:11,603 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:22:11,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:22:11,702 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 55 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 12:22:11,702 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:22:11,703 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:22:11,703 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 155 with the following transitions: [2018-11-23 12:22:11,703 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 12:22:11,706 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:22:11,706 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:22:11,852 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 12:22:11,853 INFO L272 AbstractInterpreter]: Visited 105 different actions 204 times. Merged at 4 different actions 4 times. Never widened. Performed 2774 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2774 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-23 12:22:11,854 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:22:11,854 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 12:22:12,092 INFO L227 lantSequenceWeakener]: Weakened 151 states. On average, predicates are now at 81.57% of their original sizes. [2018-11-23 12:22:12,092 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 12:22:12,155 INFO L415 sIntCurrentIteration]: We unified 153 AI predicates to 153 [2018-11-23 12:22:12,155 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 12:22:12,155 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 12:22:12,155 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 12:22:12,155 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:22:12,156 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 12:22:12,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 12:22:12,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 12:22:12,156 INFO L87 Difference]: Start difference. First operand 3521 states and 4495 transitions. Second operand 10 states. [2018-11-23 12:22:15,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:22:15,885 INFO L93 Difference]: Finished difference Result 7040 states and 9035 transitions. [2018-11-23 12:22:15,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 12:22:15,885 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 154 [2018-11-23 12:22:15,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:22:15,898 INFO L225 Difference]: With dead ends: 7040 [2018-11-23 12:22:15,899 INFO L226 Difference]: Without dead ends: 3660 [2018-11-23 12:22:15,907 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 161 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-23 12:22:15,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3660 states. [2018-11-23 12:22:15,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3660 to 3658. [2018-11-23 12:22:15,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3658 states. [2018-11-23 12:22:15,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3658 states to 3658 states and 4648 transitions. [2018-11-23 12:22:15,978 INFO L78 Accepts]: Start accepts. Automaton has 3658 states and 4648 transitions. Word has length 154 [2018-11-23 12:22:15,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:22:15,978 INFO L480 AbstractCegarLoop]: Abstraction has 3658 states and 4648 transitions. [2018-11-23 12:22:15,979 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 12:22:15,979 INFO L276 IsEmpty]: Start isEmpty. Operand 3658 states and 4648 transitions. [2018-11-23 12:22:15,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-23 12:22:15,985 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:22:15,985 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:22:15,986 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:22:15,986 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:22:15,986 INFO L82 PathProgramCache]: Analyzing trace with hash 740799730, now seen corresponding path program 1 times [2018-11-23 12:22:15,986 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:22:15,987 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:22:15,987 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:22:15,987 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:22:15,987 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:22:15,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:22:16,056 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 67 proven. 14 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-23 12:22:16,057 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:22:16,057 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:22:16,057 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 166 with the following transitions: [2018-11-23 12:22:16,058 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 12:22:16,061 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:22:16,061 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:22:16,250 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 12:22:16,250 INFO L272 AbstractInterpreter]: Visited 107 different actions 315 times. Merged at 6 different actions 16 times. Never widened. Performed 4459 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4459 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 2 different actions. Largest state had 42 variables. [2018-11-23 12:22:16,251 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:22:16,252 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 12:22:16,252 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:22:16,252 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_36f41972-355e-456d-b891-7f1200f12846/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 [2018-11-23 12:22:16,261 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:22:16,261 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 12:22:16,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:22:16,341 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:22:16,400 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 55 proven. 2 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-11-23 12:22:16,400 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 12:22:16,532 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 67 proven. 14 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-23 12:22:16,557 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 12:22:16,557 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-11-23 12:22:16,557 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 12:22:16,558 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 12:22:16,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 12:22:16,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-23 12:22:16,558 INFO L87 Difference]: Start difference. First operand 3658 states and 4648 transitions. Second operand 8 states. [2018-11-23 12:22:18,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:22:18,749 INFO L93 Difference]: Finished difference Result 13808 states and 19148 transitions. [2018-11-23 12:22:18,750 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-23 12:22:18,750 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 165 [2018-11-23 12:22:18,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:22:18,777 INFO L225 Difference]: With dead ends: 13808 [2018-11-23 12:22:18,777 INFO L226 Difference]: Without dead ends: 6660 [2018-11-23 12:22:18,813 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 375 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=215, Invalid=777, Unknown=0, NotChecked=0, Total=992 [2018-11-23 12:22:18,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6660 states. [2018-11-23 12:22:18,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6660 to 6516. [2018-11-23 12:22:18,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6516 states. [2018-11-23 12:22:18,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6516 states to 6516 states and 7818 transitions. [2018-11-23 12:22:18,967 INFO L78 Accepts]: Start accepts. Automaton has 6516 states and 7818 transitions. Word has length 165 [2018-11-23 12:22:18,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:22:18,967 INFO L480 AbstractCegarLoop]: Abstraction has 6516 states and 7818 transitions. [2018-11-23 12:22:18,967 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 12:22:18,967 INFO L276 IsEmpty]: Start isEmpty. Operand 6516 states and 7818 transitions. [2018-11-23 12:22:18,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-23 12:22:18,979 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:22:18,979 INFO L402 BasicCegarLoop]: trace histogram [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, 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] [2018-11-23 12:22:18,979 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:22:18,979 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:22:18,979 INFO L82 PathProgramCache]: Analyzing trace with hash -1946877733, now seen corresponding path program 1 times [2018-11-23 12:22:18,980 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:22:18,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:22:18,980 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:22:18,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:22:18,981 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:22:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:22:19,109 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 95 proven. 15 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 12:22:19,109 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:22:19,109 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:22:19,109 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 188 with the following transitions: [2018-11-23 12:22:19,110 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 12:22:19,113 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:22:19,113 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:22:19,289 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 12:22:19,289 INFO L272 AbstractInterpreter]: Visited 105 different actions 204 times. Merged at 4 different actions 4 times. Never widened. Performed 2826 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2826 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-23 12:22:19,301 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:22:19,302 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 12:22:19,533 INFO L227 lantSequenceWeakener]: Weakened 184 states. On average, predicates are now at 81.57% of their original sizes. [2018-11-23 12:22:19,533 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 12:22:19,583 INFO L415 sIntCurrentIteration]: We unified 186 AI predicates to 186 [2018-11-23 12:22:19,583 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 12:22:19,583 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 12:22:19,583 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 12:22:19,583 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:22:19,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 12:22:19,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 12:22:19,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 12:22:19,584 INFO L87 Difference]: Start difference. First operand 6516 states and 7818 transitions. Second operand 10 states. [2018-11-23 12:22:22,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:22:22,108 INFO L93 Difference]: Finished difference Result 12457 states and 14939 transitions. [2018-11-23 12:22:22,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 12:22:22,109 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 187 [2018-11-23 12:22:22,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:22:22,131 INFO L225 Difference]: With dead ends: 12457 [2018-11-23 12:22:22,131 INFO L226 Difference]: Without dead ends: 7112 [2018-11-23 12:22:22,141 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 195 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-11-23 12:22:22,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7112 states. [2018-11-23 12:22:22,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7112 to 7110. [2018-11-23 12:22:22,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7110 states. [2018-11-23 12:22:22,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7110 states to 7110 states and 8457 transitions. [2018-11-23 12:22:22,275 INFO L78 Accepts]: Start accepts. Automaton has 7110 states and 8457 transitions. Word has length 187 [2018-11-23 12:22:22,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:22:22,275 INFO L480 AbstractCegarLoop]: Abstraction has 7110 states and 8457 transitions. [2018-11-23 12:22:22,275 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 12:22:22,275 INFO L276 IsEmpty]: Start isEmpty. Operand 7110 states and 8457 transitions. [2018-11-23 12:22:22,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-11-23 12:22:22,287 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:22:22,287 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:22:22,287 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:22:22,287 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:22:22,288 INFO L82 PathProgramCache]: Analyzing trace with hash 903317792, now seen corresponding path program 1 times [2018-11-23 12:22:22,288 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:22:22,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:22:22,288 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:22:22,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:22:22,289 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:22:22,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:22:22,439 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 92 proven. 51 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-23 12:22:22,439 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:22:22,439 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:22:22,439 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 196 with the following transitions: [2018-11-23 12:22:22,440 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [97], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 12:22:22,442 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:22:22,442 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:22:22,736 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 12:22:22,736 INFO L272 AbstractInterpreter]: Visited 107 different actions 426 times. Merged at 8 different actions 31 times. Never widened. Performed 6200 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6200 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-23 12:22:22,737 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:22:22,737 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 12:22:22,738 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:22:22,738 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_36f41972-355e-456d-b891-7f1200f12846/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 [2018-11-23 12:22:22,746 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:22:22,746 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 12:22:22,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:22:22,815 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:22:22,879 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 109 proven. 2 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-11-23 12:22:22,880 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 12:22:23,059 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 97 proven. 44 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 12:22:23,077 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 12:22:23,077 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-23 12:22:23,077 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 12:22:23,078 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 12:22:23,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 12:22:23,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-11-23 12:22:23,078 INFO L87 Difference]: Start difference. First operand 7110 states and 8457 transitions. Second operand 11 states. [2018-11-23 12:22:23,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:22:23,936 INFO L93 Difference]: Finished difference Result 15227 states and 18275 transitions. [2018-11-23 12:22:23,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 12:22:23,937 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 195 [2018-11-23 12:22:23,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:22:23,976 INFO L225 Difference]: With dead ends: 15227 [2018-11-23 12:22:23,976 INFO L226 Difference]: Without dead ends: 8852 [2018-11-23 12:22:23,988 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 409 GetRequests, 391 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2018-11-23 12:22:23,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8852 states. [2018-11-23 12:22:24,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8852 to 8816. [2018-11-23 12:22:24,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8816 states. [2018-11-23 12:22:24,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8816 states to 8816 states and 10313 transitions. [2018-11-23 12:22:24,151 INFO L78 Accepts]: Start accepts. Automaton has 8816 states and 10313 transitions. Word has length 195 [2018-11-23 12:22:24,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:22:24,151 INFO L480 AbstractCegarLoop]: Abstraction has 8816 states and 10313 transitions. [2018-11-23 12:22:24,151 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 12:22:24,151 INFO L276 IsEmpty]: Start isEmpty. Operand 8816 states and 10313 transitions. [2018-11-23 12:22:24,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-11-23 12:22:24,164 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:22:24,165 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:22:24,165 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:22:24,165 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:22:24,165 INFO L82 PathProgramCache]: Analyzing trace with hash 355755510, now seen corresponding path program 2 times [2018-11-23 12:22:24,165 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:22:24,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:22:24,166 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:22:24,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:22:24,166 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:22:24,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:22:24,302 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 92 proven. 53 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 12:22:24,303 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:22:24,303 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:22:24,303 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-23 12:22:24,303 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-23 12:22:24,303 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:22:24,303 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_36f41972-355e-456d-b891-7f1200f12846/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 [2018-11-23 12:22:24,316 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-23 12:22:24,316 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-11-23 12:22:24,371 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-11-23 12:22:24,371 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 12:22:24,376 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:22:24,420 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-23 12:22:24,420 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 12:22:24,463 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-23 12:22:24,487 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 12:22:24,488 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2018-11-23 12:22:24,488 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:22:24,488 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:22:24,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:22:24,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-11-23 12:22:24,489 INFO L87 Difference]: Start difference. First operand 8816 states and 10313 transitions. Second operand 3 states. [2018-11-23 12:22:24,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:22:24,764 INFO L93 Difference]: Finished difference Result 14677 states and 17217 transitions. [2018-11-23 12:22:24,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:22:24,764 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 195 [2018-11-23 12:22:24,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:22:24,785 INFO L225 Difference]: With dead ends: 14677 [2018-11-23 12:22:24,785 INFO L226 Difference]: Without dead ends: 9189 [2018-11-23 12:22:24,794 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 391 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-11-23 12:22:24,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9189 states. [2018-11-23 12:22:24,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9189 to 8919. [2018-11-23 12:22:24,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8919 states. [2018-11-23 12:22:24,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8919 states to 8919 states and 10424 transitions. [2018-11-23 12:22:24,940 INFO L78 Accepts]: Start accepts. Automaton has 8919 states and 10424 transitions. Word has length 195 [2018-11-23 12:22:24,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:22:24,940 INFO L480 AbstractCegarLoop]: Abstraction has 8919 states and 10424 transitions. [2018-11-23 12:22:24,940 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:22:24,940 INFO L276 IsEmpty]: Start isEmpty. Operand 8919 states and 10424 transitions. [2018-11-23 12:22:24,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-11-23 12:22:24,958 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:22:24,958 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:22:24,958 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:22:24,958 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:22:24,959 INFO L82 PathProgramCache]: Analyzing trace with hash 1625704153, now seen corresponding path program 1 times [2018-11-23 12:22:24,959 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:22:24,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:22:24,959 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 12:22:24,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:22:24,959 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:22:24,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:22:25,117 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 129 proven. 72 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-23 12:22:25,118 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:22:25,118 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:22:25,118 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 232 with the following transitions: [2018-11-23 12:22:25,118 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [205], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [445], [447], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-11-23 12:22:25,120 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:22:25,121 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:22:25,374 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 12:22:25,374 INFO L272 AbstractInterpreter]: Visited 108 different actions 435 times. Merged at 9 different actions 36 times. Never widened. Performed 6368 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6368 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 10 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-23 12:22:25,380 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:22:25,381 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 12:22:25,381 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:22:25,381 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_36f41972-355e-456d-b891-7f1200f12846/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 [2018-11-23 12:22:25,391 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:22:25,391 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 12:22:25,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:22:25,449 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:22:25,592 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-11-23 12:22:25,593 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 12:22:25,688 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 134 proven. 20 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-23 12:22:25,703 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 12:22:25,703 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2018-11-23 12:22:25,703 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 12:22:25,703 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 12:22:25,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 12:22:25,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-11-23 12:22:25,703 INFO L87 Difference]: Start difference. First operand 8919 states and 10424 transitions. Second operand 12 states. [2018-11-23 12:22:27,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:22:27,929 INFO L93 Difference]: Finished difference Result 26271 states and 32764 transitions. [2018-11-23 12:22:27,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-11-23 12:22:27,929 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 231 [2018-11-23 12:22:27,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:22:27,930 INFO L225 Difference]: With dead ends: 26271 [2018-11-23 12:22:27,930 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 12:22:27,971 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 537 GetRequests, 491 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 576 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=444, Invalid=1718, Unknown=0, NotChecked=0, Total=2162 [2018-11-23 12:22:27,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 12:22:27,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 12:22:27,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 12:22:27,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 12:22:27,972 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 231 [2018-11-23 12:22:27,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:22:27,972 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 12:22:27,972 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 12:22:27,972 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:22:27,972 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:22:27,977 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 12:22:28,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,448 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,450 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,475 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,478 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,507 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,530 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,721 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:28,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,110 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,180 WARN L180 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 240 [2018-11-23 12:22:29,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,450 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,530 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:22:29,764 WARN L180 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 270 [2018-11-23 12:22:31,264 WARN L180 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 404 DAG size of output: 102 [2018-11-23 12:22:32,135 WARN L180 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 74 [2018-11-23 12:22:33,105 WARN L180 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 71 [2018-11-23 12:22:33,107 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:22:33,107 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= |old(~a20~0)| ~a20~0) (= ~a17~0 |old(~a17~0)|) (= |old(~a16~0)| ~a16~0)) [2018-11-23 12:22:33,107 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:22:33,107 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-23 12:22:33,107 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-23 12:22:33,107 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,108 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,108 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,108 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,108 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,108 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,108 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-23 12:22:33,108 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-23 12:22:33,108 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-23 12:22:33,108 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-23 12:22:33,108 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-23 12:22:33,108 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-23 12:22:33,108 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-23 12:22:33,108 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-23 12:22:33,108 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-23 12:22:33,108 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-23 12:22:33,108 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,108 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,108 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,108 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,109 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,109 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,109 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-23 12:22:33,109 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-23 12:22:33,109 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-23 12:22:33,109 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-23 12:22:33,109 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-23 12:22:33,109 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-23 12:22:33,109 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-23 12:22:33,109 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-23 12:22:33,109 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-23 12:22:33,109 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-23 12:22:33,109 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-23 12:22:33,109 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-23 12:22:33,109 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-23 12:22:33,110 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-23 12:22:33,110 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-23 12:22:33,110 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,110 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,110 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,110 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,110 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,110 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-23 12:22:33,110 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-23 12:22:33,110 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-23 12:22:33,110 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-23 12:22:33,110 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-23 12:22:33,110 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-23 12:22:33,110 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-23 12:22:33,110 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-23 12:22:33,110 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-23 12:22:33,110 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,110 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,110 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,111 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,111 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,111 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-23 12:22:33,111 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-23 12:22:33,111 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-23 12:22:33,111 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-23 12:22:33,111 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-23 12:22:33,111 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-23 12:22:33,111 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-23 12:22:33,111 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-23 12:22:33,111 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-23 12:22:33,111 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-23 12:22:33,111 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-23 12:22:33,111 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-23 12:22:33,111 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-23 12:22:33,111 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,112 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,112 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,112 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,112 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,112 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-23 12:22:33,112 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-23 12:22:33,112 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-23 12:22:33,112 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-23 12:22:33,112 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-23 12:22:33,112 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-23 12:22:33,112 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-23 12:22:33,112 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-23 12:22:33,112 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-23 12:22:33,112 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,112 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,113 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,113 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,113 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,113 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,113 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-23 12:22:33,113 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,113 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-23 12:22:33,113 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-23 12:22:33,113 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-23 12:22:33,113 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-23 12:22:33,113 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-23 12:22:33,113 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-23 12:22:33,114 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-23 12:22:33,114 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-23 12:22:33,114 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-23 12:22:33,114 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-23 12:22:33,114 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-23 12:22:33,114 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-23 12:22:33,114 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-23 12:22:33,114 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,114 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,114 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,114 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,114 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,115 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-23 12:22:33,115 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-23 12:22:33,115 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-23 12:22:33,115 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-23 12:22:33,115 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-23 12:22:33,115 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-23 12:22:33,115 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-23 12:22:33,115 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-23 12:22:33,115 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,115 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,115 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,115 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,116 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,116 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-23 12:22:33,116 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-23 12:22:33,116 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-23 12:22:33,116 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-23 12:22:33,116 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-23 12:22:33,116 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-23 12:22:33,116 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-23 12:22:33,116 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-23 12:22:33,116 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-23 12:22:33,116 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-23 12:22:33,117 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse18 (= ~a21~0 1))) (let ((.cse12 (= 1 |old(~a17~0)|)) (.cse24 (= 1 |old(~a21~0)|)) (.cse32 (= ~a20~0 1)) (.cse26 (= 1 ~a7~0)) (.cse10 (= |old(~a20~0)| ~a20~0)) (.cse23 (= |old(~a16~0)| ~a16~0)) (.cse29 (not .cse18)) (.cse21 (= ~a7~0 |old(~a7~0)|)) (.cse22 (= |old(~a8~0)| ~a8~0)) (.cse11 (= ~a17~0 |old(~a17~0)|))) (let ((.cse14 (= |old(~a7~0)| 1)) (.cse25 (and .cse10 .cse23 .cse29 .cse21 .cse22 .cse11)) (.cse27 (and .cse26 .cse22 .cse23)) (.cse19 (< 0 |old(~a17~0)|)) (.cse0 (and .cse23 (= ~a17~0 1) .cse18 .cse21 .cse22 .cse32)) (.cse16 (< 13 |old(~a8~0)|)) (.cse9 (= 6 |old(~a16~0)|)) (.cse3 (= 0 |old(~a16~0)|)) (.cse7 (= 0 |old(~a8~0)|)) (.cse6 (= |calculate_output_#in~input| 0)) (.cse17 (not (= 0 |old(~a7~0)|))) (.cse1 (not .cse24)) (.cse20 (not (= 15 |old(~a8~0)|))) (.cse4 (not (= 8 ~a12~0))) (.cse8 (not .cse12)) (.cse31 (and .cse21 .cse22 .cse10 .cse11 .cse23)) (.cse30 (= 13 |old(~a8~0)|)) (.cse13 (< 0 |old(~a20~0)|)) (.cse2 (not (= 1 |old(~a20~0)|))) (.cse5 (not (= 1 |old(~a7~0)|))) (.cse15 (= 1 ~a20~0)) (.cse28 (< |old(~a8~0)| 15))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (or .cse9 (and .cse10 .cse11) .cse12 .cse13) (or .cse9 .cse14 .cse15 .cse16 .cse2) (or .cse9 .cse17 .cse1 .cse18 .cse4 .cse19 .cse6 .cse2 .cse20 .cse3) (or .cse9 .cse14 .cse16 (and .cse21 .cse22 .cse23)) (or .cse16 .cse2 .cse24 .cse5 .cse19 .cse25) (or .cse9 .cse24 (and .cse26 .cse22 .cse10 .cse11 .cse23) .cse5 .cse13) (or .cse27 .cse5 .cse28) (or .cse9 .cse16 .cse24 .cse5 .cse29 .cse13) (or .cse25 (or .cse9 .cse16 .cse2 .cse24 .cse5)) (or .cse9 .cse27 .cse12 .cse5 .cse13) (or .cse6 .cse18 (or (not .cse9) .cse17 .cse1 .cse2 .cse20 (not (= 0 |old(~a17~0)|)) .cse4)) (or (= 4 |old(~a16~0)|) .cse2 .cse30 .cse31 .cse12) (or .cse9 .cse31 (not (= |old(~a20~0)| 1)) .cse19) (or .cse0 .cse1 .cse16 .cse2 .cse3 .cse4 .cse6 .cse7 .cse8) (or .cse9 .cse1 .cse2 .cse3 .cse4 .cse6 (and .cse23 .cse18 .cse21 .cse22 .cse11 .cse32) .cse7 .cse8) (or .cse6 (or .cse17 .cse1 .cse20 (not (= 0 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) .cse4 .cse8) .cse18) (or .cse31 .cse30 .cse13) (or .cse2 .cse5 .cse15 .cse28))))) [2018-11-23 12:22:33,117 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-23 12:22:33,117 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,117 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,117 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,117 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,117 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-23 12:22:33,117 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,117 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,118 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-23 12:22:33,118 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-23 12:22:33,118 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-23 12:22:33,118 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-23 12:22:33,118 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-23 12:22:33,118 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-23 12:22:33,118 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-23 12:22:33,118 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-23 12:22:33,118 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-23 12:22:33,118 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-23 12:22:33,118 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-23 12:22:33,118 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-23 12:22:33,118 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,118 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,118 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,119 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,119 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,119 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-23 12:22:33,119 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,119 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-23 12:22:33,119 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-23 12:22:33,119 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-23 12:22:33,119 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-23 12:22:33,119 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-23 12:22:33,119 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-23 12:22:33,119 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-23 12:22:33,119 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-23 12:22:33,119 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-23 12:22:33,119 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-23 12:22:33,119 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 458) no Hoare annotation was computed. [2018-11-23 12:22:33,119 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-23 12:22:33,119 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-23 12:22:33,119 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-23 12:22:33,119 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-23 12:22:33,119 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,120 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,120 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,120 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,120 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,120 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-23 12:22:33,120 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-23 12:22:33,120 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-23 12:22:33,120 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-23 12:22:33,120 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-23 12:22:33,120 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-23 12:22:33,120 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-23 12:22:33,120 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-23 12:22:33,120 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-23 12:22:33,120 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-23 12:22:33,120 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-23 12:22:33,120 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:22:33,120 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= ~a17~0 1) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (= ~a16~0 5)) [2018-11-23 12:22:33,120 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 12:22:33,120 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:22:33,120 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (and (= ~a21~0 1) (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a17~0 |old(~a17~0)|) (= ~a20~0 1) (= ~a16~0 5)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|)) (not (= 8 ~a12~0)) (not (= 1 |old(~a17~0)|))) [2018-11-23 12:22:33,121 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-23 12:22:33,121 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse5 (= ~a17~0 1)) (.cse6 (= ~a21~0 1))) (let ((.cse2 (not (= ~a16~0 0))) (.cse3 (not (= main_~input~0 0))) (.cse4 (not (= ~a8~0 0))) (.cse8 (= ~a20~0 1)) (.cse1 (<= ~a20~0 0)) (.cse14 (<= ~a17~0 0)) (.cse10 (not .cse6)) (.cse9 (<= ~a8~0 13)) (.cse11 (= 1 ~a7~0)) (.cse7 (not (= ~a16~0 6))) (.cse13 (= 1 ~a20~0)) (.cse15 (not .cse5)) (.cse0 (not (= ~a8~0 13))) (.cse12 (not (= ~a16~0 4)))) (or (and .cse0 .cse1) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (and .cse9 (= ~a7~0 |old(~a7~0)|) .cse7) (and .cse10 .cse11 .cse7 .cse1) (not (= 1 |old(~a21~0)|)) (not (= 8 ~a12~0)) (and (<= ~a8~0 |old(~a8~0)|) .cse11 (<= 15 ~a8~0)) (and .cse9 .cse2 .cse3 .cse4 .cse5 .cse6 .cse8) (and .cse2 .cse11 .cse3 .cse4 .cse6 .cse8 .cse0 .cse12) (and .cse10 .cse11 .cse13 .cse14) (and .cse7 .cse15 .cse1) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a17~0)|)) (and .cse13 .cse7 .cse14) (not (= 15 |old(~a8~0)|)) (and .cse10 .cse9 .cse11 .cse13 .cse7) (and .cse13 .cse15 .cse0 .cse12)))) [2018-11-23 12:22:33,121 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-23 12:22:33,121 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-23 12:22:33,121 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse8 (= ~a17~0 1)) (.cse9 (= ~a21~0 1))) (let ((.cse1 (<= ~a20~0 0)) (.cse6 (not (= ~a16~0 0))) (.cse7 (not (= ~a8~0 0))) (.cse10 (= ~a20~0 1)) (.cse12 (<= ~a17~0 0)) (.cse4 (not .cse9)) (.cse2 (<= ~a8~0 13)) (.cse5 (= 1 ~a7~0)) (.cse3 (not (= ~a16~0 6))) (.cse11 (= 1 ~a20~0)) (.cse13 (not .cse8)) (.cse0 (not (= ~a8~0 13))) (.cse14 (not (= ~a16~0 4)))) (or (and .cse0 .cse1) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and .cse2 (= ~a7~0 |old(~a7~0)|) .cse3) (and .cse4 .cse5 .cse3 .cse1) (and .cse2 .cse6 .cse7 .cse8 .cse9 .cse10) (not (= 1 |old(~a21~0)|)) (not (= 8 ~a12~0)) (and (<= ~a8~0 |old(~a8~0)|) .cse5 (<= 15 ~a8~0)) (and .cse6 .cse7 .cse8 .cse9 .cse3 .cse10) (and .cse4 .cse5 .cse11 .cse12) (and .cse3 .cse13 .cse1) (not (= 0 |old(~a7~0)|)) (and .cse6 .cse5 .cse7 .cse9 .cse10 .cse0 .cse14) (not (= 1 |old(~a17~0)|)) (and .cse11 .cse3 .cse12) (not (= 15 |old(~a8~0)|)) (and .cse4 .cse2 .cse5 .cse11 .cse3) (and .cse11 .cse13 .cse0 .cse14)))) [2018-11-23 12:22:33,121 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-11-23 12:22:33,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:22:33 BoogieIcfgContainer [2018-11-23 12:22:33,132 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 12:22:33,133 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:22:33,133 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:22:33,133 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:22:33,134 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:22:02" (3/4) ... [2018-11-23 12:22:33,137 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 12:22:33,142 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 12:22:33,142 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 12:22:33,143 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 12:22:33,154 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 12:22:33,155 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 12:22:33,180 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((!(a8 == 13) && a20 <= 0) || !(1 == \old(a20))) || !(5 == \old(a16))) || ((a8 <= 13 && a7 == \old(a7)) && !(a16 == 6))) || (((!(a21 == 1) && 1 == a7) && !(a16 == 6)) && a20 <= 0)) || (((((a8 <= 13 && !(a16 == 0)) && !(a8 == 0)) && a17 == 1) && a21 == 1) && a20 == 1)) || !(1 == \old(a21))) || !(8 == a12)) || ((a8 <= \old(a8) && 1 == a7) && 15 <= a8)) || (((((!(a16 == 0) && !(a8 == 0)) && a17 == 1) && a21 == 1) && !(a16 == 6)) && a20 == 1)) || (((!(a21 == 1) && 1 == a7) && 1 == a20) && a17 <= 0)) || ((!(a16 == 6) && !(a17 == 1)) && a20 <= 0)) || !(0 == \old(a7))) || ((((((!(a16 == 0) && 1 == a7) && !(a8 == 0)) && a21 == 1) && a20 == 1) && !(a8 == 13)) && !(a16 == 4))) || !(1 == \old(a17))) || ((1 == a20 && !(a16 == 6)) && a17 <= 0)) || !(15 == \old(a8))) || ((((!(a21 == 1) && a8 <= 13) && 1 == a7) && 1 == a20) && !(a16 == 6))) || (((1 == a20 && !(a17 == 1)) && !(a8 == 13)) && !(a16 == 4)) [2018-11-23 12:22:33,246 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_36f41972-355e-456d-b891-7f1200f12846/bin-2019/utaipan/witness.graphml [2018-11-23 12:22:33,247 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:22:33,247 INFO L168 Benchmark]: Toolchain (without parser) took 32456.22 ms. Allocated memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: 1.5 GB). Free memory was 950.3 MB in the beginning and 835.2 MB in the end (delta: 115.2 MB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. [2018-11-23 12:22:33,248 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:22:33,248 INFO L168 Benchmark]: CACSL2BoogieTranslator took 428.79 ms. Allocated memory is still 1.0 GB. Free memory was 950.3 MB in the beginning and 912.7 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-23 12:22:33,248 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 912.7 MB in the beginning and 1.1 GB in the end (delta: -213.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-11-23 12:22:33,248 INFO L168 Benchmark]: Boogie Preprocessor took 60.98 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: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. [2018-11-23 12:22:33,249 INFO L168 Benchmark]: RCFGBuilder took 893.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 101.6 MB). Peak memory consumption was 101.6 MB. Max. memory is 11.5 GB. [2018-11-23 12:22:33,249 INFO L168 Benchmark]: TraceAbstraction took 30869.18 ms. Allocated memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: 1.4 GB). Free memory was 1.0 GB in the beginning and 867.0 MB in the end (delta: 152.3 MB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2018-11-23 12:22:33,249 INFO L168 Benchmark]: Witness Printer took 113.82 ms. Allocated memory is still 2.6 GB. Free memory was 867.0 MB in the beginning and 835.2 MB in the end (delta: 31.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-23 12:22:33,251 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 428.79 ms. Allocated memory is still 1.0 GB. Free memory was 950.3 MB in the beginning and 912.7 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 85.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 912.7 MB in the beginning and 1.1 GB in the end (delta: -213.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 60.98 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: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 893.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 101.6 MB). Peak memory consumption was 101.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 30869.18 ms. Allocated memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: 1.4 GB). Free memory was 1.0 GB in the beginning and 867.0 MB in the end (delta: 152.3 MB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. * Witness Printer took 113.82 ms. Allocated memory is still 2.6 GB. Free memory was 867.0 MB in the beginning and 835.2 MB in the end (delta: 31.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 458]: 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: 583]: Loop Invariant Derived loop invariant: ((((((((((((((((((!(a8 == 13) && a20 <= 0) || !(1 == \old(a20))) || !(5 == \old(a16))) || ((a8 <= 13 && a7 == \old(a7)) && !(a16 == 6))) || (((!(a21 == 1) && 1 == a7) && !(a16 == 6)) && a20 <= 0)) || (((((a8 <= 13 && !(a16 == 0)) && !(a8 == 0)) && a17 == 1) && a21 == 1) && a20 == 1)) || !(1 == \old(a21))) || !(8 == a12)) || ((a8 <= \old(a8) && 1 == a7) && 15 <= a8)) || (((((!(a16 == 0) && !(a8 == 0)) && a17 == 1) && a21 == 1) && !(a16 == 6)) && a20 == 1)) || (((!(a21 == 1) && 1 == a7) && 1 == a20) && a17 <= 0)) || ((!(a16 == 6) && !(a17 == 1)) && a20 <= 0)) || !(0 == \old(a7))) || ((((((!(a16 == 0) && 1 == a7) && !(a8 == 0)) && a21 == 1) && a20 == 1) && !(a8 == 13)) && !(a16 == 4))) || !(1 == \old(a17))) || ((1 == a20 && !(a16 == 6)) && a17 <= 0)) || !(15 == \old(a8))) || ((((!(a21 == 1) && a8 <= 13) && 1 == a7) && 1 == a20) && !(a16 == 6))) || (((1 == a20 && !(a17 == 1)) && !(a8 == 13)) && !(a16 == 4)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 30.7s OverallTime, 11 OverallIterations, 6 TraceHistogramMax, 19.2s AutomataDifference, 0.0s DeadEndRemovalTime, 5.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 1487 SDtfs, 11161 SDslu, 2302 SDs, 0 SdLazy, 14746 SolverSat, 2734 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.7s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 2256 GetRequests, 2083 SyntacticMatches, 7 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 973 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8919occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.7s AbstIntTime, 6 AbstIntIterations, 3 AbstIntStrong, 0.9967938662192112 AbsIntWeakeningRatio, 0.24375 AbsIntAvgWeakeningVarsNumRemoved, 29.045833333333334 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 11 MinimizatonAttempts, 556 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 490 PreInvPairs, 940 NumberOfFragments, 1114 HoareAnnotationTreeSize, 490 FomulaSimplifications, 20296 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 24224 FormulaSimplificationTreeSizeReductionInter, 3.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 2501 NumberOfCodeBlocks, 2437 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3268 ConstructedInterpolants, 0 QuantifiedInterpolants, 1118957 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2172 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 19 InterpolantComputations, 6 PerfectInterpolantSequences, 2081/2387 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...