./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label02_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_50c995b1-d350-4397-a745-d2d2efdd07e6/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_50c995b1-d350-4397-a745-d2d2efdd07e6/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_50c995b1-d350-4397-a745-d2d2efdd07e6/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_50c995b1-d350-4397-a745-d2d2efdd07e6/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label02_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_50c995b1-d350-4397-a745-d2d2efdd07e6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_50c995b1-d350-4397-a745-d2d2efdd07e6/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 addc9e4e4fc897318cfe4d26c9760729a73864e1 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 02:57:23,319 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 02:57:23,320 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 02:57:23,327 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 02:57:23,327 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 02:57:23,328 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 02:57:23,328 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 02:57:23,329 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 02:57:23,330 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 02:57:23,331 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 02:57:23,331 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 02:57:23,332 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 02:57:23,332 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 02:57:23,333 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 02:57:23,334 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 02:57:23,334 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 02:57:23,335 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 02:57:23,336 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 02:57:23,337 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 02:57:23,338 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 02:57:23,339 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 02:57:23,340 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 02:57:23,342 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 02:57:23,342 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 02:57:23,342 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 02:57:23,343 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 02:57:23,343 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 02:57:23,344 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 02:57:23,344 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 02:57:23,345 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 02:57:23,345 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 02:57:23,346 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 02:57:23,346 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 02:57:23,346 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 02:57:23,346 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 02:57:23,347 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 02:57:23,347 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_50c995b1-d350-4397-a745-d2d2efdd07e6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 02:57:23,357 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 02:57:23,357 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 02:57:23,358 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 02:57:23,358 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 02:57:23,358 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 02:57:23,358 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 02:57:23,358 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 02:57:23,358 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 02:57:23,359 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 02:57:23,359 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 02:57:23,359 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 02:57:23,359 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 02:57:23,359 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 02:57:23,359 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 02:57:23,359 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 02:57:23,359 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 02:57:23,360 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 02:57:23,360 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 02:57:23,360 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 02:57:23,360 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 02:57:23,360 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 02:57:23,360 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 02:57:23,360 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 02:57:23,360 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 02:57:23,361 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 02:57:23,361 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 02:57:23,361 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 02:57:23,361 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 02:57:23,361 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 02:57:23,361 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 02:57:23,361 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 02:57:23,361 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 02:57:23,361 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 02:57:23,361 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 02:57:23,361 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 02:57:23,362 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 02:57:23,362 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_50c995b1-d350-4397-a745-d2d2efdd07e6/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 -> addc9e4e4fc897318cfe4d26c9760729a73864e1 [2018-12-02 02:57:23,385 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 02:57:23,394 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 02:57:23,397 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 02:57:23,398 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 02:57:23,398 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 02:57:23,399 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_50c995b1-d350-4397-a745-d2d2efdd07e6/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label02_true-unreach-call_false-termination.c [2018-12-02 02:57:23,438 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_50c995b1-d350-4397-a745-d2d2efdd07e6/bin-2019/utaipan/data/2592f45b4/8d2e0d3c46384a0ea8cc15bbc4a3c664/FLAG68ad20eb0 [2018-12-02 02:57:23,822 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 02:57:23,823 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_50c995b1-d350-4397-a745-d2d2efdd07e6/sv-benchmarks/c/eca-rers2012/Problem01_label02_true-unreach-call_false-termination.c [2018-12-02 02:57:23,829 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_50c995b1-d350-4397-a745-d2d2efdd07e6/bin-2019/utaipan/data/2592f45b4/8d2e0d3c46384a0ea8cc15bbc4a3c664/FLAG68ad20eb0 [2018-12-02 02:57:23,837 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_50c995b1-d350-4397-a745-d2d2efdd07e6/bin-2019/utaipan/data/2592f45b4/8d2e0d3c46384a0ea8cc15bbc4a3c664 [2018-12-02 02:57:23,839 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 02:57:23,839 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 02:57:23,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 02:57:23,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 02:57:23,842 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 02:57:23,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:57:23" (1/1) ... [2018-12-02 02:57:23,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27d92faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:57:23, skipping insertion in model container [2018-12-02 02:57:23,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:57:23" (1/1) ... [2018-12-02 02:57:23,849 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 02:57:23,874 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 02:57:24,048 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:57:24,052 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 02:57:24,155 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:57:24,168 INFO L195 MainTranslator]: Completed translation [2018-12-02 02:57:24,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:57:24 WrapperNode [2018-12-02 02:57:24,168 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 02:57:24,169 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 02:57:24,169 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 02:57:24,169 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 02:57:24,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:57:24" (1/1) ... [2018-12-02 02:57:24,188 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:57:24" (1/1) ... [2018-12-02 02:57:24,194 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 02:57:24,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 02:57:24,194 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 02:57:24,194 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 02:57:24,201 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:57:24" (1/1) ... [2018-12-02 02:57:24,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:57:24" (1/1) ... [2018-12-02 02:57:24,203 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:57:24" (1/1) ... [2018-12-02 02:57:24,203 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:57:24" (1/1) ... [2018-12-02 02:57:24,219 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:57:24" (1/1) ... [2018-12-02 02:57:24,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:57:24" (1/1) ... [2018-12-02 02:57:24,229 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:57:24" (1/1) ... [2018-12-02 02:57:24,233 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 02:57:24,233 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 02:57:24,233 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 02:57:24,233 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 02:57:24,234 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:57:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_50c995b1-d350-4397-a745-d2d2efdd07e6/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 02:57:24,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 02:57:24,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 02:57:24,267 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-02 02:57:24,267 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-02 02:57:24,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 02:57:24,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 02:57:24,267 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 02:57:24,267 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 02:57:24,821 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 02:57:24,821 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 02:57:24,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:57:24 BoogieIcfgContainer [2018-12-02 02:57:24,821 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 02:57:24,822 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 02:57:24,822 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 02:57:24,824 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 02:57:24,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:57:23" (1/3) ... [2018-12-02 02:57:24,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e3442cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:57:24, skipping insertion in model container [2018-12-02 02:57:24,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:57:24" (2/3) ... [2018-12-02 02:57:24,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e3442cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:57:24, skipping insertion in model container [2018-12-02 02:57:24,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:57:24" (3/3) ... [2018-12-02 02:57:24,826 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label02_true-unreach-call_false-termination.c [2018-12-02 02:57:24,831 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 02:57:24,836 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 02:57:24,846 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 02:57:24,866 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 02:57:24,866 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 02:57:24,866 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 02:57:24,866 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 02:57:24,866 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 02:57:24,866 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 02:57:24,866 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 02:57:24,866 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 02:57:24,879 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-12-02 02:57:24,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-02 02:57:24,885 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:57:24,886 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] [2018-12-02 02:57:24,887 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:57:24,891 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:57:24,891 INFO L82 PathProgramCache]: Analyzing trace with hash 1011489582, now seen corresponding path program 1 times [2018-12-02 02:57:24,892 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:57:24,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:57:24,922 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:57:24,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:57:24,922 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:57:24,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:57:25,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:57:25,122 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:57:25,122 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 02:57:25,122 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:57:25,126 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 02:57:25,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 02:57:25,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 02:57:25,135 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-12-02 02:57:25,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:57:25,570 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-12-02 02:57:25,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 02:57:25,571 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2018-12-02 02:57:25,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:57:25,579 INFO L225 Difference]: With dead ends: 547 [2018-12-02 02:57:25,579 INFO L226 Difference]: Without dead ends: 278 [2018-12-02 02:57:25,582 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 [2018-12-02 02:57:25,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-12-02 02:57:25,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2018-12-02 02:57:25,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-12-02 02:57:25,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 400 transitions. [2018-12-02 02:57:25,615 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 400 transitions. Word has length 96 [2018-12-02 02:57:25,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:57:25,616 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 400 transitions. [2018-12-02 02:57:25,616 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 02:57:25,616 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 400 transitions. [2018-12-02 02:57:25,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-02 02:57:25,618 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:57:25,618 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] [2018-12-02 02:57:25,618 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:57:25,619 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:57:25,619 INFO L82 PathProgramCache]: Analyzing trace with hash -1321725755, now seen corresponding path program 1 times [2018-12-02 02:57:25,619 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:57:25,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:57:25,620 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:57:25,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:57:25,620 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:57:25,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:57:25,701 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:57:25,701 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:57:25,701 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 02:57:25,701 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:57:25,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 02:57:25,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 02:57:25,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 02:57:25,703 INFO L87 Difference]: Start difference. First operand 278 states and 400 transitions. Second operand 6 states. [2018-12-02 02:57:26,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:57:26,071 INFO L93 Difference]: Finished difference Result 703 states and 1026 transitions. [2018-12-02 02:57:26,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 02:57:26,071 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 106 [2018-12-02 02:57:26,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:57:26,074 INFO L225 Difference]: With dead ends: 703 [2018-12-02 02:57:26,074 INFO L226 Difference]: Without dead ends: 431 [2018-12-02 02:57:26,076 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-02 02:57:26,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2018-12-02 02:57:26,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 419. [2018-12-02 02:57:26,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2018-12-02 02:57:26,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 588 transitions. [2018-12-02 02:57:26,094 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 588 transitions. Word has length 106 [2018-12-02 02:57:26,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:57:26,094 INFO L480 AbstractCegarLoop]: Abstraction has 419 states and 588 transitions. [2018-12-02 02:57:26,095 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 02:57:26,095 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 588 transitions. [2018-12-02 02:57:26,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-02 02:57:26,097 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:57:26,097 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] [2018-12-02 02:57:26,097 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:57:26,098 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:57:26,098 INFO L82 PathProgramCache]: Analyzing trace with hash -1059863033, now seen corresponding path program 1 times [2018-12-02 02:57:26,098 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:57:26,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:57:26,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:57:26,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:57:26,099 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:57:26,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:57:26,179 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:57:26,179 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:57:26,179 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 02:57:26,179 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:57:26,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 02:57:26,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 02:57:26,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 02:57:26,180 INFO L87 Difference]: Start difference. First operand 419 states and 588 transitions. Second operand 3 states. [2018-12-02 02:57:26,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:57:26,436 INFO L93 Difference]: Finished difference Result 1241 states and 1781 transitions. [2018-12-02 02:57:26,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 02:57:26,437 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2018-12-02 02:57:26,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:57:26,440 INFO L225 Difference]: With dead ends: 1241 [2018-12-02 02:57:26,440 INFO L226 Difference]: Without dead ends: 828 [2018-12-02 02:57:26,442 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 [2018-12-02 02:57:26,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2018-12-02 02:57:26,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 828. [2018-12-02 02:57:26,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 828 states. [2018-12-02 02:57:26,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1160 transitions. [2018-12-02 02:57:26,465 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1160 transitions. Word has length 107 [2018-12-02 02:57:26,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:57:26,465 INFO L480 AbstractCegarLoop]: Abstraction has 828 states and 1160 transitions. [2018-12-02 02:57:26,465 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 02:57:26,465 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1160 transitions. [2018-12-02 02:57:26,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-02 02:57:26,468 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:57:26,468 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:57:26,468 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:57:26,468 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:57:26,468 INFO L82 PathProgramCache]: Analyzing trace with hash -742908101, now seen corresponding path program 1 times [2018-12-02 02:57:26,468 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:57:26,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:57:26,469 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:57:26,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:57:26,469 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:57:26,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:57:26,544 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:57:26,544 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:57:26,544 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 02:57:26,545 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:57:26,545 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 02:57:26,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 02:57:26,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 02:57:26,545 INFO L87 Difference]: Start difference. First operand 828 states and 1160 transitions. Second operand 3 states. [2018-12-02 02:57:26,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:57:26,831 INFO L93 Difference]: Finished difference Result 2331 states and 3360 transitions. [2018-12-02 02:57:26,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 02:57:26,832 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2018-12-02 02:57:26,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:57:26,836 INFO L225 Difference]: With dead ends: 2331 [2018-12-02 02:57:26,836 INFO L226 Difference]: Without dead ends: 1509 [2018-12-02 02:57:26,838 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 [2018-12-02 02:57:26,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1509 states. [2018-12-02 02:57:26,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1509 to 1509. [2018-12-02 02:57:26,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1509 states. [2018-12-02 02:57:26,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1509 states to 1509 states and 2059 transitions. [2018-12-02 02:57:26,866 INFO L78 Accepts]: Start accepts. Automaton has 1509 states and 2059 transitions. Word has length 113 [2018-12-02 02:57:26,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:57:26,867 INFO L480 AbstractCegarLoop]: Abstraction has 1509 states and 2059 transitions. [2018-12-02 02:57:26,867 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 02:57:26,867 INFO L276 IsEmpty]: Start isEmpty. Operand 1509 states and 2059 transitions. [2018-12-02 02:57:26,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-02 02:57:26,870 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:57:26,870 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:57:26,870 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:57:26,870 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:57:26,870 INFO L82 PathProgramCache]: Analyzing trace with hash -1298833038, now seen corresponding path program 1 times [2018-12-02 02:57:26,870 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:57:26,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:57:26,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:57:26,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:57:26,871 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:57:26,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:57:26,933 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:57:26,933 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:57:26,933 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 02:57:26,934 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 133 with the following transitions: [2018-12-02 02:57:26,935 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [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], [413], [415], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 02:57:26,968 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 02:57:26,969 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 02:57:27,345 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 02:57:27,346 INFO L272 AbstractInterpreter]: Visited 100 different actions 193 times. Merged at 3 different actions 3 times. Never widened. Performed 2835 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2835 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-02 02:57:27,350 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:57:27,351 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 02:57:27,579 INFO L227 lantSequenceWeakener]: Weakened 129 states. On average, predicates are now at 81.5% of their original sizes. [2018-12-02 02:57:27,579 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 02:57:27,636 INFO L418 sIntCurrentIteration]: We unified 131 AI predicates to 131 [2018-12-02 02:57:27,637 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 02:57:27,637 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 02:57:27,637 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-02 02:57:27,637 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:57:27,638 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 02:57:27,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 02:57:27,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 02:57:27,638 INFO L87 Difference]: Start difference. First operand 1509 states and 2059 transitions. Second operand 10 states. [2018-12-02 02:57:30,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:57:30,880 INFO L93 Difference]: Finished difference Result 3668 states and 5024 transitions. [2018-12-02 02:57:30,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-02 02:57:30,880 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 132 [2018-12-02 02:57:30,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:57:30,884 INFO L225 Difference]: With dead ends: 3668 [2018-12-02 02:57:30,884 INFO L226 Difference]: Without dead ends: 2165 [2018-12-02 02:57:30,886 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 141 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-02 02:57:30,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2165 states. [2018-12-02 02:57:30,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2165 to 1654. [2018-12-02 02:57:30,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1654 states. [2018-12-02 02:57:30,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1654 states to 1654 states and 2227 transitions. [2018-12-02 02:57:30,912 INFO L78 Accepts]: Start accepts. Automaton has 1654 states and 2227 transitions. Word has length 132 [2018-12-02 02:57:30,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:57:30,912 INFO L480 AbstractCegarLoop]: Abstraction has 1654 states and 2227 transitions. [2018-12-02 02:57:30,913 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 02:57:30,913 INFO L276 IsEmpty]: Start isEmpty. Operand 1654 states and 2227 transitions. [2018-12-02 02:57:30,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-02 02:57:30,915 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:57:30,915 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:57:30,915 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:57:30,915 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:57:30,915 INFO L82 PathProgramCache]: Analyzing trace with hash -1356217131, now seen corresponding path program 1 times [2018-12-02 02:57:30,915 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:57:30,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:57:30,916 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:57:30,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:57:30,916 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:57:30,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:57:30,977 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 49 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 02:57:30,977 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:57:30,977 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 02:57:30,977 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 145 with the following transitions: [2018-12-02 02:57:30,978 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [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], [413], [415], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 02:57:30,980 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 02:57:30,980 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 02:57:31,078 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 02:57:31,079 INFO L272 AbstractInterpreter]: Visited 101 different actions 196 times. Merged at 4 different actions 4 times. Never widened. Performed 2699 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2699 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-02 02:57:31,082 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:57:31,082 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 02:57:31,190 INFO L227 lantSequenceWeakener]: Weakened 141 states. On average, predicates are now at 81.49% of their original sizes. [2018-12-02 02:57:31,190 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 02:57:31,220 INFO L418 sIntCurrentIteration]: We unified 143 AI predicates to 143 [2018-12-02 02:57:31,220 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 02:57:31,220 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 02:57:31,220 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-02 02:57:31,220 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:57:31,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 02:57:31,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 02:57:31,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 02:57:31,221 INFO L87 Difference]: Start difference. First operand 1654 states and 2227 transitions. Second operand 10 states. [2018-12-02 02:57:33,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:57:33,491 INFO L93 Difference]: Finished difference Result 3576 states and 4769 transitions. [2018-12-02 02:57:33,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 02:57:33,492 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 144 [2018-12-02 02:57:33,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:57:33,495 INFO L225 Difference]: With dead ends: 3576 [2018-12-02 02:57:33,496 INFO L226 Difference]: Without dead ends: 1928 [2018-12-02 02:57:33,498 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 151 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-02 02:57:33,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1928 states. [2018-12-02 02:57:33,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1928 to 1926. [2018-12-02 02:57:33,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1926 states. [2018-12-02 02:57:33,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1926 states to 1926 states and 2525 transitions. [2018-12-02 02:57:33,559 INFO L78 Accepts]: Start accepts. Automaton has 1926 states and 2525 transitions. Word has length 144 [2018-12-02 02:57:33,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:57:33,559 INFO L480 AbstractCegarLoop]: Abstraction has 1926 states and 2525 transitions. [2018-12-02 02:57:33,559 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 02:57:33,560 INFO L276 IsEmpty]: Start isEmpty. Operand 1926 states and 2525 transitions. [2018-12-02 02:57:33,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-02 02:57:33,562 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:57:33,562 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:57:33,562 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:57:33,562 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:57:33,562 INFO L82 PathProgramCache]: Analyzing trace with hash -1717896786, now seen corresponding path program 1 times [2018-12-02 02:57:33,562 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:57:33,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:57:33,563 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:57:33,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:57:33,563 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:57:33,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:57:33,602 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 61 proven. 14 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-02 02:57:33,602 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:57:33,602 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 02:57:33,603 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 156 with the following transitions: [2018-12-02 02:57:33,603 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [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], [413], [415], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 02:57:33,606 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 02:57:33,606 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 02:57:33,763 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 02:57:33,764 INFO L272 AbstractInterpreter]: Visited 102 different actions 302 times. Merged at 6 different actions 16 times. Never widened. Performed 4342 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4342 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 2 different actions. Largest state had 42 variables. [2018-12-02 02:57:33,770 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:57:33,770 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 02:57:33,888 INFO L227 lantSequenceWeakener]: Weakened 152 states. On average, predicates are now at 83.26% of their original sizes. [2018-12-02 02:57:33,889 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 02:57:33,942 INFO L418 sIntCurrentIteration]: We unified 154 AI predicates to 154 [2018-12-02 02:57:33,942 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 02:57:33,942 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 02:57:33,942 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 12 [2018-12-02 02:57:33,942 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:57:33,942 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 02:57:33,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 02:57:33,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 02:57:33,942 INFO L87 Difference]: Start difference. First operand 1926 states and 2525 transitions. Second operand 9 states. [2018-12-02 02:57:35,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:57:35,614 INFO L93 Difference]: Finished difference Result 3604 states and 4782 transitions. [2018-12-02 02:57:35,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-02 02:57:35,614 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 155 [2018-12-02 02:57:35,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:57:35,617 INFO L225 Difference]: With dead ends: 3604 [2018-12-02 02:57:35,618 INFO L226 Difference]: Without dead ends: 1956 [2018-12-02 02:57:35,619 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 161 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-02 02:57:35,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1956 states. [2018-12-02 02:57:35,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1956 to 1938. [2018-12-02 02:57:35,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1938 states. [2018-12-02 02:57:35,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1938 states to 1938 states and 2506 transitions. [2018-12-02 02:57:35,644 INFO L78 Accepts]: Start accepts. Automaton has 1938 states and 2506 transitions. Word has length 155 [2018-12-02 02:57:35,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:57:35,644 INFO L480 AbstractCegarLoop]: Abstraction has 1938 states and 2506 transitions. [2018-12-02 02:57:35,644 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 02:57:35,644 INFO L276 IsEmpty]: Start isEmpty. Operand 1938 states and 2506 transitions. [2018-12-02 02:57:35,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-02 02:57:35,647 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:57:35,647 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:57:35,647 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:57:35,647 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:57:35,647 INFO L82 PathProgramCache]: Analyzing trace with hash 1336844431, now seen corresponding path program 1 times [2018-12-02 02:57:35,647 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:57:35,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:57:35,648 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:57:35,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:57:35,648 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:57:35,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:57:35,693 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 81 proven. 20 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-02 02:57:35,693 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:57:35,693 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 02:57:35,693 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 175 with the following transitions: [2018-12-02 02:57:35,694 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [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], [413], [415], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 02:57:35,696 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 02:57:35,696 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 02:57:36,041 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 02:57:36,042 INFO L272 AbstractInterpreter]: Visited 104 different actions 521 times. Merged at 9 different actions 44 times. Widened at 1 different actions 1 times. Performed 7986 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7986 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 12 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-02 02:57:36,044 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:57:36,044 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 02:57:36,044 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:57:36,044 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_50c995b1-d350-4397-a745-d2d2efdd07e6/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 02:57:36,050 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:57:36,051 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 02:57:36,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:57:36,108 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 02:57:36,166 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 73 proven. 2 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-02 02:57:36,166 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 02:57:36,239 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 81 proven. 20 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-02 02:57:36,265 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 02:57:36,265 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-12-02 02:57:36,265 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 02:57:36,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 02:57:36,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 02:57:36,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-12-02 02:57:36,266 INFO L87 Difference]: Start difference. First operand 1938 states and 2506 transitions. Second operand 8 states. [2018-12-02 02:57:37,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:57:37,642 INFO L93 Difference]: Finished difference Result 5973 states and 7933 transitions. [2018-12-02 02:57:37,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-12-02 02:57:37,643 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 174 [2018-12-02 02:57:37,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:57:37,651 INFO L225 Difference]: With dead ends: 5973 [2018-12-02 02:57:37,651 INFO L226 Difference]: Without dead ends: 3878 [2018-12-02 02:57:37,655 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=181, Invalid=631, Unknown=0, NotChecked=0, Total=812 [2018-12-02 02:57:37,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3878 states. [2018-12-02 02:57:37,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3878 to 3447. [2018-12-02 02:57:37,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3447 states. [2018-12-02 02:57:37,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3447 states to 3447 states and 4058 transitions. [2018-12-02 02:57:37,699 INFO L78 Accepts]: Start accepts. Automaton has 3447 states and 4058 transitions. Word has length 174 [2018-12-02 02:57:37,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:57:37,699 INFO L480 AbstractCegarLoop]: Abstraction has 3447 states and 4058 transitions. [2018-12-02 02:57:37,699 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 02:57:37,699 INFO L276 IsEmpty]: Start isEmpty. Operand 3447 states and 4058 transitions. [2018-12-02 02:57:37,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-02 02:57:37,703 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:57:37,703 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:57:37,703 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:57:37,703 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:57:37,704 INFO L82 PathProgramCache]: Analyzing trace with hash -2054069033, now seen corresponding path program 1 times [2018-12-02 02:57:37,704 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:57:37,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:57:37,704 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:57:37,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:57:37,705 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:57:37,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:57:37,769 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 89 proven. 15 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-02 02:57:37,770 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:57:37,770 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 02:57:37,770 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 178 with the following transitions: [2018-12-02 02:57:37,770 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [73], [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], [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], [413], [415], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 02:57:37,772 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 02:57:37,772 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 02:57:37,875 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 02:57:37,876 INFO L272 AbstractInterpreter]: Visited 101 different actions 196 times. Merged at 4 different actions 4 times. Never widened. Performed 2758 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2758 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-02 02:57:37,877 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:57:37,877 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 02:57:38,028 INFO L227 lantSequenceWeakener]: Weakened 174 states. On average, predicates are now at 81.51% of their original sizes. [2018-12-02 02:57:38,029 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 02:57:38,063 INFO L418 sIntCurrentIteration]: We unified 176 AI predicates to 176 [2018-12-02 02:57:38,063 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 02:57:38,063 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 02:57:38,063 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-02 02:57:38,063 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:57:38,064 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 02:57:38,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 02:57:38,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 02:57:38,064 INFO L87 Difference]: Start difference. First operand 3447 states and 4058 transitions. Second operand 10 states. [2018-12-02 02:57:39,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:57:39,723 INFO L93 Difference]: Finished difference Result 7029 states and 8345 transitions. [2018-12-02 02:57:39,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-02 02:57:39,723 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 177 [2018-12-02 02:57:39,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:57:39,731 INFO L225 Difference]: With dead ends: 7029 [2018-12-02 02:57:39,731 INFO L226 Difference]: Without dead ends: 3860 [2018-12-02 02:57:39,735 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 185 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-12-02 02:57:39,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3860 states. [2018-12-02 02:57:39,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3860 to 3858. [2018-12-02 02:57:39,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3858 states. [2018-12-02 02:57:39,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3858 states to 3858 states and 4509 transitions. [2018-12-02 02:57:39,797 INFO L78 Accepts]: Start accepts. Automaton has 3858 states and 4509 transitions. Word has length 177 [2018-12-02 02:57:39,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:57:39,797 INFO L480 AbstractCegarLoop]: Abstraction has 3858 states and 4509 transitions. [2018-12-02 02:57:39,797 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 02:57:39,798 INFO L276 IsEmpty]: Start isEmpty. Operand 3858 states and 4509 transitions. [2018-12-02 02:57:39,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-02 02:57:39,804 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:57:39,804 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, 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] [2018-12-02 02:57:39,804 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:57:39,804 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:57:39,805 INFO L82 PathProgramCache]: Analyzing trace with hash -993030308, now seen corresponding path program 1 times [2018-12-02 02:57:39,805 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:57:39,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:57:39,805 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:57:39,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:57:39,805 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:57:39,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:57:39,887 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 86 proven. 45 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 02:57:39,887 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:57:39,887 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 02:57:39,887 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 186 with the following transitions: [2018-12-02 02:57:39,888 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [73], [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], [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], [413], [415], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 02:57:39,889 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 02:57:39,889 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 02:57:40,105 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 02:57:40,105 INFO L272 AbstractInterpreter]: Visited 103 different actions 412 times. Merged at 8 different actions 33 times. Widened at 1 different actions 1 times. Performed 6079 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6079 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-02 02:57:40,110 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:57:40,111 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 02:57:40,111 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:57:40,111 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_50c995b1-d350-4397-a745-d2d2efdd07e6/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 02:57:40,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:57:40,117 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 02:57:40,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:57:40,166 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 02:57:40,194 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 103 proven. 2 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-02 02:57:40,194 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 02:57:40,243 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 91 proven. 38 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-02 02:57:40,259 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 02:57:40,259 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-12-02 02:57:40,259 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 02:57:40,259 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-02 02:57:40,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-02 02:57:40,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-12-02 02:57:40,260 INFO L87 Difference]: Start difference. First operand 3858 states and 4509 transitions. Second operand 11 states. [2018-12-02 02:57:41,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:57:41,356 INFO L93 Difference]: Finished difference Result 12166 states and 14703 transitions. [2018-12-02 02:57:41,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-02 02:57:41,356 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 185 [2018-12-02 02:57:41,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:57:41,370 INFO L225 Difference]: With dead ends: 12166 [2018-12-02 02:57:41,370 INFO L226 Difference]: Without dead ends: 8860 [2018-12-02 02:57:41,374 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 393 GetRequests, 373 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2018-12-02 02:57:41,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8860 states. [2018-12-02 02:57:41,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8860 to 8157. [2018-12-02 02:57:41,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8157 states. [2018-12-02 02:57:41,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8157 states to 8157 states and 9550 transitions. [2018-12-02 02:57:41,460 INFO L78 Accepts]: Start accepts. Automaton has 8157 states and 9550 transitions. Word has length 185 [2018-12-02 02:57:41,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:57:41,460 INFO L480 AbstractCegarLoop]: Abstraction has 8157 states and 9550 transitions. [2018-12-02 02:57:41,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-02 02:57:41,460 INFO L276 IsEmpty]: Start isEmpty. Operand 8157 states and 9550 transitions. [2018-12-02 02:57:41,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-02 02:57:41,468 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:57:41,468 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, 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] [2018-12-02 02:57:41,468 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:57:41,468 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:57:41,468 INFO L82 PathProgramCache]: Analyzing trace with hash 998489172, now seen corresponding path program 1 times [2018-12-02 02:57:41,468 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:57:41,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:57:41,469 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:57:41,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:57:41,469 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:57:41,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:57:41,611 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 110 proven. 51 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-02 02:57:41,612 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:57:41,612 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 02:57:41,612 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 199 with the following transitions: [2018-12-02 02:57:41,612 INFO L205 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], [89], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [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], [413], [415], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 02:57:41,614 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 02:57:41,614 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 02:57:41,778 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 02:57:41,778 INFO L272 AbstractInterpreter]: Visited 102 different actions 298 times. Merged at 6 different actions 12 times. Never widened. Performed 4097 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4097 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 42 variables. [2018-12-02 02:57:41,779 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:57:41,779 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 02:57:41,941 INFO L227 lantSequenceWeakener]: Weakened 195 states. On average, predicates are now at 83.13% of their original sizes. [2018-12-02 02:57:41,941 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 02:57:41,978 INFO L418 sIntCurrentIteration]: We unified 197 AI predicates to 197 [2018-12-02 02:57:41,978 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 02:57:41,978 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 02:57:41,979 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-02 02:57:41,979 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:57:41,979 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 02:57:41,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 02:57:41,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 02:57:41,979 INFO L87 Difference]: Start difference. First operand 8157 states and 9550 transitions. Second operand 10 states. [2018-12-02 02:57:43,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:57:43,593 INFO L93 Difference]: Finished difference Result 14308 states and 16791 transitions. [2018-12-02 02:57:43,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 02:57:43,593 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 198 [2018-12-02 02:57:43,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:57:43,611 INFO L225 Difference]: With dead ends: 14308 [2018-12-02 02:57:43,611 INFO L226 Difference]: Without dead ends: 8851 [2018-12-02 02:57:43,619 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 205 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-02 02:57:43,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8851 states. [2018-12-02 02:57:43,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8851 to 8846. [2018-12-02 02:57:43,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8846 states. [2018-12-02 02:57:43,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8846 states to 8846 states and 10324 transitions. [2018-12-02 02:57:43,740 INFO L78 Accepts]: Start accepts. Automaton has 8846 states and 10324 transitions. Word has length 198 [2018-12-02 02:57:43,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:57:43,740 INFO L480 AbstractCegarLoop]: Abstraction has 8846 states and 10324 transitions. [2018-12-02 02:57:43,740 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 02:57:43,740 INFO L276 IsEmpty]: Start isEmpty. Operand 8846 states and 10324 transitions. [2018-12-02 02:57:43,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-12-02 02:57:43,747 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:57:43,747 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:57:43,747 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:57:43,747 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:57:43,747 INFO L82 PathProgramCache]: Analyzing trace with hash 1832763267, now seen corresponding path program 1 times [2018-12-02 02:57:43,747 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:57:43,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:57:43,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:57:43,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:57:43,748 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:57:43,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:57:43,815 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 110 proven. 70 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-02 02:57:43,815 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:57:43,815 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 02:57:43,815 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 209 with the following transitions: [2018-12-02 02:57:43,816 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [89], [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], [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], [413], [415], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 02:57:43,817 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 02:57:43,817 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 02:57:44,023 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 02:57:44,023 INFO L272 AbstractInterpreter]: Visited 104 different actions 419 times. Merged at 9 different actions 36 times. Widened at 1 different actions 1 times. Performed 6160 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6160 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 10 fixpoints after 4 different actions. Largest state had 42 variables. [2018-12-02 02:57:44,025 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:57:44,026 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 02:57:44,026 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:57:44,026 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_50c995b1-d350-4397-a745-d2d2efdd07e6/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 02:57:44,031 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:57:44,032 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 02:57:44,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:57:44,089 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 02:57:44,127 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 133 proven. 2 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-12-02 02:57:44,127 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 02:57:44,175 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 115 proven. 20 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-12-02 02:57:44,190 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 02:57:44,190 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2018-12-02 02:57:44,190 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 02:57:44,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-02 02:57:44,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-02 02:57:44,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-12-02 02:57:44,191 INFO L87 Difference]: Start difference. First operand 8846 states and 10324 transitions. Second operand 12 states. [2018-12-02 02:57:45,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:57:45,999 INFO L93 Difference]: Finished difference Result 20762 states and 25049 transitions. [2018-12-02 02:57:46,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-12-02 02:57:46,000 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 208 [2018-12-02 02:57:46,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:57:46,026 INFO L225 Difference]: With dead ends: 20762 [2018-12-02 02:57:46,026 INFO L226 Difference]: Without dead ends: 12059 [2018-12-02 02:57:46,036 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 483 GetRequests, 441 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 448 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=411, Invalid=1395, Unknown=0, NotChecked=0, Total=1806 [2018-12-02 02:57:46,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12059 states. [2018-12-02 02:57:46,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12059 to 10814. [2018-12-02 02:57:46,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10814 states. [2018-12-02 02:57:46,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10814 states to 10814 states and 12753 transitions. [2018-12-02 02:57:46,194 INFO L78 Accepts]: Start accepts. Automaton has 10814 states and 12753 transitions. Word has length 208 [2018-12-02 02:57:46,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:57:46,194 INFO L480 AbstractCegarLoop]: Abstraction has 10814 states and 12753 transitions. [2018-12-02 02:57:46,194 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-02 02:57:46,194 INFO L276 IsEmpty]: Start isEmpty. Operand 10814 states and 12753 transitions. [2018-12-02 02:57:46,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-12-02 02:57:46,204 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:57:46,204 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:57:46,204 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:57:46,204 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:57:46,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1621014110, now seen corresponding path program 1 times [2018-12-02 02:57:46,205 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:57:46,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:57:46,205 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:57:46,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:57:46,205 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:57:46,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:57:46,293 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 164 proven. 51 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-02 02:57:46,293 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:57:46,293 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 02:57:46,293 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 215 with the following transitions: [2018-12-02 02:57:46,294 INFO L205 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], [89], [90], [94], [98], [102], [105], [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], [413], [415], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 02:57:46,295 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 02:57:46,295 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 02:57:46,508 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 02:57:46,508 INFO L272 AbstractInterpreter]: Visited 103 different actions 409 times. Merged at 8 different actions 30 times. Widened at 1 different actions 1 times. Performed 6121 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6121 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 7 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-02 02:57:46,510 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:57:46,510 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 02:57:46,510 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:57:46,510 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_50c995b1-d350-4397-a745-d2d2efdd07e6/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 02:57:46,515 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:57:46,515 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 02:57:46,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:57:46,559 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 02:57:46,606 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 156 proven. 25 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-02 02:57:46,606 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 02:57:46,677 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-02 02:57:46,693 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 02:57:46,693 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4, 4] total 12 [2018-12-02 02:57:46,693 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 02:57:46,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-02 02:57:46,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-02 02:57:46,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2018-12-02 02:57:46,694 INFO L87 Difference]: Start difference. First operand 10814 states and 12753 transitions. Second operand 11 states. [2018-12-02 02:57:48,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:57:48,851 INFO L93 Difference]: Finished difference Result 23083 states and 29869 transitions. [2018-12-02 02:57:48,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-12-02 02:57:48,851 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 214 [2018-12-02 02:57:48,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:57:48,896 INFO L225 Difference]: With dead ends: 23083 [2018-12-02 02:57:48,896 INFO L226 Difference]: Without dead ends: 13392 [2018-12-02 02:57:48,913 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 490 GetRequests, 446 SyntacticMatches, 3 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 511 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=343, Invalid=1463, Unknown=0, NotChecked=0, Total=1806 [2018-12-02 02:57:48,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13392 states. [2018-12-02 02:57:49,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13392 to 12240. [2018-12-02 02:57:49,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12240 states. [2018-12-02 02:57:49,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12240 states to 12240 states and 14096 transitions. [2018-12-02 02:57:49,113 INFO L78 Accepts]: Start accepts. Automaton has 12240 states and 14096 transitions. Word has length 214 [2018-12-02 02:57:49,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:57:49,113 INFO L480 AbstractCegarLoop]: Abstraction has 12240 states and 14096 transitions. [2018-12-02 02:57:49,113 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-02 02:57:49,114 INFO L276 IsEmpty]: Start isEmpty. Operand 12240 states and 14096 transitions. [2018-12-02 02:57:49,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-02 02:57:49,124 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:57:49,125 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-02 02:57:49,125 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:57:49,125 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:57:49,125 INFO L82 PathProgramCache]: Analyzing trace with hash 235579725, now seen corresponding path program 1 times [2018-12-02 02:57:49,125 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:57:49,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:57:49,125 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:57:49,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:57:49,126 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:57:49,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:57:49,259 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 277 proven. 18 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2018-12-02 02:57:49,259 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:57:49,259 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 02:57:49,259 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 278 with the following transitions: [2018-12-02 02:57:49,259 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [45], [46], [49], [50], [53], [54], [58], [62], [66], [70], [74], [78], [82], [86], [89], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [129], [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], [413], [415], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 02:57:49,261 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 02:57:49,262 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 02:57:49,479 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 02:57:49,480 INFO L272 AbstractInterpreter]: Visited 106 different actions 427 times. Merged at 10 different actions 36 times. Widened at 1 different actions 1 times. Performed 6360 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6360 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 12 fixpoints after 6 different actions. Largest state had 42 variables. [2018-12-02 02:57:49,481 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:57:49,481 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 02:57:49,481 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:57:49,481 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_50c995b1-d350-4397-a745-d2d2efdd07e6/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 02:57:49,487 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:57:49,487 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 02:57:49,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:57:49,547 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 02:57:49,599 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 360 proven. 2 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2018-12-02 02:57:49,599 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 02:57:49,667 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 277 proven. 18 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2018-12-02 02:57:49,682 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 02:57:49,682 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2018-12-02 02:57:49,683 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 02:57:49,683 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 02:57:49,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 02:57:49,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2018-12-02 02:57:49,683 INFO L87 Difference]: Start difference. First operand 12240 states and 14096 transitions. Second operand 9 states. [2018-12-02 02:57:50,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:57:50,265 INFO L93 Difference]: Finished difference Result 17783 states and 20781 transitions. [2018-12-02 02:57:50,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 02:57:50,265 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 277 [2018-12-02 02:57:50,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:57:50,266 INFO L225 Difference]: With dead ends: 17783 [2018-12-02 02:57:50,266 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 02:57:50,285 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 575 GetRequests, 556 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=110, Invalid=310, Unknown=0, NotChecked=0, Total=420 [2018-12-02 02:57:50,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 02:57:50,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 02:57:50,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 02:57:50,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 02:57:50,286 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 277 [2018-12-02 02:57:50,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:57:50,286 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 02:57:50,286 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 02:57:50,286 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 02:57:50,286 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 02:57:50,289 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 02:57:50,672 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:50,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:50,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:50,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:50,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:50,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:50,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:50,760 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:50,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:50,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:50,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:50,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:50,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:50,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:50,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:50,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:50,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:50,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:50,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:50,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:50,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:50,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:50,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:50,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:50,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:50,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:50,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:50,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:50,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:50,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:50,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:50,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:50,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:50,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:50,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:50,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:50,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:50,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:50,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:50,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:50,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:50,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:50,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:50,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,110 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,220 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,289 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,324 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,341 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,380 WARN L180 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 677 DAG size of output: 252 [2018-12-02 02:57:51,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,669 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,697 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,736 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,790 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,863 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,893 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:51,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:52,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:52,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:52,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:52,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:52,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:52,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:52,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:52,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:52,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:52,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:52,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:52,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:52,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:52,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:52,110 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:52,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:52,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:52,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:52,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:52,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:52,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:52,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:52,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:57:52,241 WARN L180 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 705 DAG size of output: 390 [2018-12-02 02:57:53,692 WARN L180 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 359 DAG size of output: 131 [2018-12-02 02:57:54,694 WARN L180 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 99 [2018-12-02 02:57:57,196 WARN L180 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 387 DAG size of output: 100 [2018-12-02 02:57:57,198 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 02:57:57,198 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a8~0 |old(~a8~0)|) (= ~a7~0 |old(~a7~0)|) (= |old(~a20~0)| ~a20~0) (= ~a17~0 |old(~a17~0)|) (<= |old(~a8~0)| ~a8~0) (= |old(~a16~0)| ~a16~0) (= ~a21~0 |old(~a21~0)|)) [2018-12-02 02:57:57,198 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 02:57:57,198 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-12-02 02:57:57,199 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-12-02 02:57:57,199 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,199 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,199 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,199 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,199 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,199 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,199 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-12-02 02:57:57,199 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-12-02 02:57:57,199 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-12-02 02:57:57,199 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-12-02 02:57:57,199 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-12-02 02:57:57,199 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-12-02 02:57:57,199 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-12-02 02:57:57,199 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-12-02 02:57:57,200 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-12-02 02:57:57,200 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-12-02 02:57:57,200 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,200 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,200 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,200 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,200 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,200 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,200 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-12-02 02:57:57,200 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-12-02 02:57:57,200 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-12-02 02:57:57,200 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-12-02 02:57:57,200 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-12-02 02:57:57,201 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-12-02 02:57:57,201 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-12-02 02:57:57,201 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-12-02 02:57:57,201 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-12-02 02:57:57,201 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-12-02 02:57:57,201 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-12-02 02:57:57,201 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-12-02 02:57:57,201 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-12-02 02:57:57,201 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-12-02 02:57:57,201 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-12-02 02:57:57,201 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,201 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,201 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,202 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,202 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,202 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-12-02 02:57:57,202 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-12-02 02:57:57,202 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-12-02 02:57:57,202 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-12-02 02:57:57,202 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-12-02 02:57:57,202 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-12-02 02:57:57,202 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-12-02 02:57:57,202 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-12-02 02:57:57,202 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-12-02 02:57:57,202 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,202 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,202 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,203 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,203 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,203 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-12-02 02:57:57,203 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-12-02 02:57:57,203 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-12-02 02:57:57,203 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-12-02 02:57:57,203 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-12-02 02:57:57,203 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-12-02 02:57:57,203 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-12-02 02:57:57,203 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-12-02 02:57:57,203 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-12-02 02:57:57,203 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-12-02 02:57:57,203 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-12-02 02:57:57,203 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-12-02 02:57:57,203 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-12-02 02:57:57,203 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,203 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,203 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,204 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,204 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,204 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-12-02 02:57:57,204 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-12-02 02:57:57,204 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-12-02 02:57:57,204 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-12-02 02:57:57,204 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-12-02 02:57:57,204 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-12-02 02:57:57,204 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-12-02 02:57:57,204 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-12-02 02:57:57,204 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-12-02 02:57:57,204 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,204 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,204 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,204 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,204 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,204 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,204 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-12-02 02:57:57,204 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,204 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-12-02 02:57:57,204 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-12-02 02:57:57,204 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 446) no Hoare annotation was computed. [2018-12-02 02:57:57,205 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-12-02 02:57:57,205 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-12-02 02:57:57,205 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-12-02 02:57:57,205 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-12-02 02:57:57,205 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-12-02 02:57:57,205 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-12-02 02:57:57,205 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-12-02 02:57:57,205 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-12-02 02:57:57,205 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-12-02 02:57:57,205 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-12-02 02:57:57,205 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-12-02 02:57:57,205 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,205 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,205 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,205 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,205 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,205 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-12-02 02:57:57,205 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-12-02 02:57:57,205 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-12-02 02:57:57,205 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-12-02 02:57:57,205 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-12-02 02:57:57,205 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-12-02 02:57:57,205 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-12-02 02:57:57,205 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-12-02 02:57:57,206 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,206 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,206 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,206 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,206 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,206 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-12-02 02:57:57,206 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-12-02 02:57:57,206 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-12-02 02:57:57,206 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-12-02 02:57:57,206 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-12-02 02:57:57,206 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-12-02 02:57:57,206 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-12-02 02:57:57,206 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-12-02 02:57:57,206 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-12-02 02:57:57,206 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-12-02 02:57:57,206 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse19 (= 1 |old(~a7~0)|))) (let ((.cse1 (= 4 |old(~a16~0)|)) (.cse36 (= 1 |old(~a20~0)|)) (.cse28 (= 6 |old(~a16~0)|)) (.cse4 (not .cse19))) (let ((.cse0 (< 13 |old(~a8~0)|)) (.cse3 (< |old(~a20~0)| 1)) (.cse25 (= 1 ~a21~0)) (.cse8 (or .cse28 .cse4)) (.cse31 (< 0 |old(~a20~0)|)) (.cse30 (= |old(~a20~0)| ~a20~0)) (.cse41 (= ~a21~0 |old(~a21~0)|)) (.cse13 (<= ~a8~0 |old(~a8~0)|)) (.cse14 (= ~a7~0 |old(~a7~0)|)) (.cse15 (= ~a17~0 |old(~a17~0)|)) (.cse40 (= ~a16~0 |old(~a16~0)|)) (.cse24 (<= |old(~a8~0)| ~a8~0)) (.cse32 (= 0 |old(~a16~0)|)) (.cse18 (not (= 1 |old(~a21~0)|))) (.cse7 (not .cse36)) (.cse9 (not .cse1)) (.cse33 (not (= 8 ~a12~0))) (.cse34 (= |calculate_output_#in~input| 0)) (.cse35 (not (= 1 |old(~a17~0)|))) (.cse39 (= ~a16~0 4)) (.cse29 (= |old(~a16~0)| ~a16~0)) (.cse26 (= ~a20~0 1))) (let ((.cse10 (not (= ~a8~0 0))) (.cse11 (or (and (and .cse39 (= ~a8~0 13)) .cse29 .cse26) (and (not (= ~a7~0 1)) .cse29 .cse26))) (.cse12 (= ~a21~0 1)) (.cse17 (= 0 |old(~a8~0)|)) (.cse16 (and (or .cse18 .cse19 .cse7 .cse32 .cse33 .cse34 .cse35) (or (or .cse18 .cse7 .cse9 (not (= 13 |old(~a8~0)|))) .cse33 .cse34 .cse35))) (.cse6 (< 0 |old(~a21~0)|)) (.cse2 (and .cse30 .cse41 .cse13 .cse14 .cse15 .cse40 .cse24)) (.cse27 (or .cse8 .cse31)) (.cse20 (and .cse30 .cse13 .cse14 .cse15 .cse40 .cse24 .cse25)) (.cse21 (< |old(~a8~0)| 15)) (.cse22 (and (or .cse28 .cse1 .cse3 .cse4) (or .cse28 .cse0 .cse3 .cse4 .cse35))) (.cse23 (and (let ((.cse37 (= 1 ~a7~0)) (.cse38 (not (= ~a16~0 6)))) (or (and .cse13 (<= ~a8~0 13) .cse14 .cse37 .cse30 .cse38 (= 1 ~a17~0)) (and .cse13 .cse14 .cse37 .cse30 .cse38 (not .cse39)))) .cse15 .cse40 .cse24 .cse41)) (.cse5 (< 0 |old(~a17~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse5 .cse6 .cse2 .cse8) (or .cse9 (and .cse10 .cse11 .cse12 .cse13 .cse14 .cse15) .cse16 .cse17) (or .cse0 (and .cse13 .cse14 .cse10 .cse11 (= ~a17~0 1) .cse12) .cse16 .cse17) (or .cse18 .cse19 .cse20 .cse5 .cse21) (or .cse18 .cse19 .cse9 .cse5 .cse20) (or .cse22 .cse23 .cse6) (or (not (= 0 |old(~a7~0)|)) (and .cse13 .cse14 .cse15 .cse24 .cse25 .cse26 (= ~a16~0 5)) (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|)) .cse16) (or .cse6 .cse27 .cse2) (or .cse28 .cse19 .cse0 (and .cse13 .cse14 .cse29)) (or .cse19 .cse0 .cse9 (and .cse30 .cse15 (<= ~a21~0 |old(~a21~0)|)) .cse5) (or .cse18 .cse19 .cse20 .cse5 .cse31) (or (not (= |old(~a20~0)| 1)) .cse5 (or .cse28 .cse19 .cse0) (and .cse30 .cse15)) (or .cse20 .cse18 .cse19 .cse32 .cse33 .cse34 .cse21 .cse31 .cse35) (or .cse18 .cse20 .cse5 .cse27) (or .cse20 (or .cse28 .cse18 .cse19 .cse32 .cse33 .cse34 .cse35) .cse36 .cse21) (or .cse18 .cse22 .cse23 .cse5)))))) [2018-12-02 02:57:57,206 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-12-02 02:57:57,207 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,207 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,207 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,207 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,207 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-12-02 02:57:57,207 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,207 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,207 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-12-02 02:57:57,207 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-12-02 02:57:57,207 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-12-02 02:57:57,207 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-12-02 02:57:57,207 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-12-02 02:57:57,207 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-12-02 02:57:57,207 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-12-02 02:57:57,207 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-12-02 02:57:57,207 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-12-02 02:57:57,207 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-12-02 02:57:57,207 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-12-02 02:57:57,207 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-12-02 02:57:57,207 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,207 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,207 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,207 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,207 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,207 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-12-02 02:57:57,208 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,208 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-12-02 02:57:57,208 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-12-02 02:57:57,208 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-12-02 02:57:57,208 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-12-02 02:57:57,208 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-12-02 02:57:57,208 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-12-02 02:57:57,208 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-12-02 02:57:57,208 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-12-02 02:57:57,208 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-12-02 02:57:57,208 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-12-02 02:57:57,208 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-12-02 02:57:57,208 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-12-02 02:57:57,208 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-12-02 02:57:57,208 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-12-02 02:57:57,208 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,208 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,208 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,208 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,208 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,208 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 02:57:57,208 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-12-02 02:57:57,208 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-12-02 02:57:57,208 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-12-02 02:57:57,209 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-12-02 02:57:57,209 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-12-02 02:57:57,209 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-12-02 02:57:57,209 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-12-02 02:57:57,209 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-12-02 02:57:57,209 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-12-02 02:57:57,209 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-12-02 02:57:57,209 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 02:57:57,209 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= 1 ~a21~0) (= ~a12~0 8) (= ~a20~0 1) (= 1 ~a17~0) (= ~a16~0 5)) [2018-12-02 02:57:57,209 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 02:57:57,209 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 02:57:57,209 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)|)) (not (= 8 ~a12~0)) (not (= 1 |old(~a17~0)|)) (and (<= ~a8~0 |old(~a8~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (<= |old(~a8~0)| ~a8~0) (= 1 ~a21~0) (= ~a20~0 1) (= ~a16~0 5)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|))) [2018-12-02 02:57:57,209 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-12-02 02:57:57,209 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse8 (= ~a16~0 4))) (let ((.cse20 (not .cse8)) (.cse18 (<= ~a8~0 13)) (.cse15 (= 1 ~a7~0)) (.cse1 (not (= ~a16~0 6))) (.cse0 (= 1 |old(~a20~0)|)) (.cse21 (<= 1 ~a20~0)) (.cse10 (not (= ~a16~0 0))) (.cse13 (not (= ~a7~0 1))) (.cse12 (not (= main_~input~0 0))) (.cse11 (= ~a20~0 1)) (.cse22 (= 1 ~a17~0))) (let ((.cse17 (= |old(~a20~0)| ~a20~0)) (.cse9 (= ~a7~0 |old(~a7~0)|)) (.cse5 (not (= ~a8~0 0))) (.cse6 (= ~a21~0 1)) (.cse7 (or (and .cse12 .cse11 (and .cse8 (= ~a8~0 13)) .cse22) (and .cse10 .cse13 .cse12 .cse11 .cse22))) (.cse16 (<= ~a21~0 0)) (.cse19 (let ((.cse23 (not (= |old(~a7~0)| 1)))) (or (and (and .cse15 .cse23 .cse1 .cse20) .cse0 .cse21) (and .cse18 .cse15 .cse23 .cse1 .cse0 .cse22 .cse21)))) (.cse14 (<= 15 ~a8~0)) (.cse3 (= 1 ~a21~0)) (.cse4 (<= ~a20~0 0)) (.cse2 (<= ~a17~0 0))) (or (not .cse0) (not (= 5 |old(~a16~0)|)) (and .cse1 .cse2 .cse3 .cse4) (and (and .cse5 .cse6 .cse7) .cse8) (and .cse7 (<= ~a8~0 |old(~a8~0)|) .cse9 (<= |old(~a8~0)| ~a8~0) .cse3 (= ~a16~0 5)) (and .cse10 (not .cse11) .cse12 .cse13 .cse14 (= ~a17~0 |old(~a17~0)|) .cse1 .cse3) (and .cse15 .cse16 .cse17 .cse1 .cse2) (not (= 1 |old(~a21~0)|)) (and .cse18 .cse13 .cse8 .cse2) (not (= 8 ~a12~0)) (and .cse13 .cse3 .cse2 .cse4) (and .cse18 .cse13 .cse17 .cse1 .cse2) (and (and .cse19 .cse2) .cse3) (and .cse16 (and .cse15 .cse1 .cse4)) (and .cse13 .cse14 .cse2 .cse3) (and .cse18 .cse9 .cse1) (and .cse18 .cse15 .cse16 .cse2 .cse20 .cse21) (and .cse18 .cse5 .cse6 .cse7) (not (= 0 |old(~a7~0)|)) (and .cse16 .cse19) (and .cse10 .cse12 .cse22 .cse13 .cse14 .cse3 .cse4) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (and .cse13 .cse8 .cse2 (= ~a21~0 |old(~a21~0)|)))))) [2018-12-02 02:57:57,209 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-12-02 02:57:57,209 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-12-02 02:57:57,210 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse6 (= ~a16~0 4))) (let ((.cse14 (not .cse6)) (.cse10 (<= ~a8~0 13)) (.cse7 (= 1 ~a7~0)) (.cse2 (not (= ~a16~0 6))) (.cse0 (= 1 |old(~a20~0)|)) (.cse15 (<= 1 ~a20~0)) (.cse17 (not (= ~a16~0 0))) (.cse11 (not (= ~a7~0 1))) (.cse18 (= ~a21~0 1)) (.cse16 (= ~a20~0 1)) (.cse19 (= 1 ~a17~0))) (let ((.cse9 (= |old(~a20~0)| ~a20~0)) (.cse1 (let ((.cse21 (= ~a12~0 8))) (or (and .cse17 .cse11 (not (= ~a8~0 0)) .cse21 .cse18 .cse16 .cse19) (and (and .cse6 (= ~a8~0 13) .cse21 .cse18 .cse16) .cse19)))) (.cse8 (<= ~a21~0 0)) (.cse12 (let ((.cse20 (not (= |old(~a7~0)| 1)))) (or (and (and .cse7 .cse20 .cse2 .cse14) .cse0 .cse15) (and .cse10 .cse7 .cse20 .cse2 .cse0 .cse19 .cse15)))) (.cse3 (<= ~a17~0 0)) (.cse13 (<= 15 ~a8~0)) (.cse4 (= 1 ~a21~0)) (.cse5 (<= ~a20~0 0))) (or (not .cse0) (and (and (<= ~a8~0 |old(~a8~0)|) (and (= ~a7~0 0) .cse1)) (= ~a16~0 |old(~a16~0)|) (<= |old(~a8~0)| ~a8~0)) (not (= 5 |old(~a16~0)|)) (and .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse1) (and .cse7 .cse8 .cse9 .cse2 .cse3) (not (= 1 |old(~a21~0)|)) (and .cse10 .cse11 .cse6 .cse3) (not (= 8 ~a12~0)) (and .cse11 .cse4 .cse3 .cse5) (and .cse10 .cse11 .cse9 .cse2 .cse3) (and .cse10 .cse1) (and (and .cse12 .cse3) .cse4) (and .cse8 (and .cse7 .cse2 .cse5)) (and .cse11 .cse13 .cse3 .cse4) (and .cse10 (= ~a7~0 |old(~a7~0)|) .cse2) (and .cse10 .cse7 .cse8 .cse3 .cse14 .cse15) (not (= 0 |old(~a7~0)|)) (and .cse8 .cse12) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (and (and (not .cse16) (and .cse17 .cse11 .cse2 .cse18 .cse19)) .cse13) (and .cse11 .cse6 .cse3 (= ~a21~0 |old(~a21~0)|)) (and .cse17 .cse19 .cse11 .cse13 .cse4 .cse5))))) [2018-12-02 02:57:57,210 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-12-02 02:57:57,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:57:57 BoogieIcfgContainer [2018-12-02 02:57:57,224 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 02:57:57,224 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 02:57:57,224 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 02:57:57,224 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 02:57:57,225 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:57:24" (3/4) ... [2018-12-02 02:57:57,228 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 02:57:57,233 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 02:57:57,233 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-02 02:57:57,234 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 02:57:57,243 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-02 02:57:57,243 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 02:57:57,265 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((!(1 == \old(a20)) || (((a8 <= \old(a8) && a7 == 0 && (((((((!(a16 == 0) && !(a7 == 1)) && !(a8 == 0)) && a12 == 8) && a21 == 1) && a20 == 1) && 1 == a17) || (((((a16 == 4 && a8 == 13) && a12 == 8) && a21 == 1) && a20 == 1) && 1 == a17))) && a16 == \old(a16)) && \old(a8) <= a8)) || !(5 == \old(a16))) || (((!(a16 == 6) && a17 <= 0) && 1 == a21) && a20 <= 0)) || (a16 == 4 && (((((((!(a16 == 0) && !(a7 == 1)) && !(a8 == 0)) && a12 == 8) && a21 == 1) && a20 == 1) && 1 == a17) || (((((a16 == 4 && a8 == 13) && a12 == 8) && a21 == 1) && a20 == 1) && 1 == a17)))) || ((((1 == a7 && a21 <= 0) && \old(a20) == a20) && !(a16 == 6)) && a17 <= 0)) || !(1 == \old(a21))) || (((a8 <= 13 && !(a7 == 1)) && a16 == 4) && a17 <= 0)) || !(8 == a12)) || (((!(a7 == 1) && 1 == a21) && a17 <= 0) && a20 <= 0)) || ((((a8 <= 13 && !(a7 == 1)) && \old(a20) == a20) && !(a16 == 6)) && a17 <= 0)) || (a8 <= 13 && (((((((!(a16 == 0) && !(a7 == 1)) && !(a8 == 0)) && a12 == 8) && a21 == 1) && a20 == 1) && 1 == a17) || (((((a16 == 4 && a8 == 13) && a12 == 8) && a21 == 1) && a20 == 1) && 1 == a17)))) || ((((((((1 == a7 && !(\old(a7) == 1)) && !(a16 == 6)) && !(a16 == 4)) && 1 == \old(a20)) && 1 <= a20) || ((((((a8 <= 13 && 1 == a7) && !(\old(a7) == 1)) && !(a16 == 6)) && 1 == \old(a20)) && 1 == a17) && 1 <= a20)) && a17 <= 0) && 1 == a21)) || (a21 <= 0 && (1 == a7 && !(a16 == 6)) && a20 <= 0)) || (((!(a7 == 1) && 15 <= a8) && a17 <= 0) && 1 == a21)) || ((a8 <= 13 && a7 == \old(a7)) && !(a16 == 6))) || (((((a8 <= 13 && 1 == a7) && a21 <= 0) && a17 <= 0) && !(a16 == 4)) && 1 <= a20)) || !(0 == \old(a7))) || (a21 <= 0 && ((((((1 == a7 && !(\old(a7) == 1)) && !(a16 == 6)) && !(a16 == 4)) && 1 == \old(a20)) && 1 <= a20) || ((((((a8 <= 13 && 1 == a7) && !(\old(a7) == 1)) && !(a16 == 6)) && 1 == \old(a20)) && 1 == a17) && 1 <= a20)))) || !(1 == \old(a17))) || !(15 == \old(a8))) || ((!(a20 == 1) && (((!(a16 == 0) && !(a7 == 1)) && !(a16 == 6)) && a21 == 1) && 1 == a17) && 15 <= a8)) || (((!(a7 == 1) && a16 == 4) && a17 <= 0) && a21 == \old(a21))) || (((((!(a16 == 0) && 1 == a17) && !(a7 == 1)) && 15 <= a8) && 1 == a21) && a20 <= 0) [2018-12-02 02:57:57,319 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_50c995b1-d350-4397-a745-d2d2efdd07e6/bin-2019/utaipan/witness.graphml [2018-12-02 02:57:57,319 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 02:57:57,320 INFO L168 Benchmark]: Toolchain (without parser) took 33481.15 ms. Allocated memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: 1.4 GB). Free memory was 942.7 MB in the beginning and 1.3 GB in the end (delta: -395.7 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2018-12-02 02:57:57,321 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 970.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 02:57:57,321 INFO L168 Benchmark]: CACSL2BoogieTranslator took 328.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 942.7 MB in the beginning and 1.1 GB in the end (delta: -164.4 MB). Peak memory consumption was 42.0 MB. Max. memory is 11.5 GB. [2018-12-02 02:57:57,321 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 02:57:57,321 INFO L168 Benchmark]: Boogie Preprocessor took 38.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 02:57:57,322 INFO L168 Benchmark]: RCFGBuilder took 588.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 994.7 MB in the end (delta: 104.4 MB). Peak memory consumption was 104.4 MB. Max. memory is 11.5 GB. [2018-12-02 02:57:57,322 INFO L168 Benchmark]: TraceAbstraction took 32401.94 ms. Allocated memory was 1.1 GB in the beginning and 2.5 GB in the end (delta: 1.3 GB). Free memory was 992.0 MB in the beginning and 1.4 GB in the end (delta: -376.3 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-12-02 02:57:57,322 INFO L168 Benchmark]: Witness Printer took 95.63 ms. Allocated memory is still 2.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 29.9 MB). Peak memory consumption was 29.9 MB. Max. memory is 11.5 GB. [2018-12-02 02:57:57,323 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 970.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 328.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 942.7 MB in the beginning and 1.1 GB in the end (delta: -164.4 MB). Peak memory consumption was 42.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 588.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 994.7 MB in the end (delta: 104.4 MB). Peak memory consumption was 104.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 32401.94 ms. Allocated memory was 1.1 GB in the beginning and 2.5 GB in the end (delta: 1.3 GB). Free memory was 992.0 MB in the beginning and 1.4 GB in the end (delta: -376.3 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. * Witness Printer took 95.63 ms. Allocated memory is still 2.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 29.9 MB). Peak memory consumption was 29.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 446]: 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: ((((((((((((((((((((((!(1 == \old(a20)) || (((a8 <= \old(a8) && a7 == 0 && (((((((!(a16 == 0) && !(a7 == 1)) && !(a8 == 0)) && a12 == 8) && a21 == 1) && a20 == 1) && 1 == a17) || (((((a16 == 4 && a8 == 13) && a12 == 8) && a21 == 1) && a20 == 1) && 1 == a17))) && a16 == \old(a16)) && \old(a8) <= a8)) || !(5 == \old(a16))) || (((!(a16 == 6) && a17 <= 0) && 1 == a21) && a20 <= 0)) || (a16 == 4 && (((((((!(a16 == 0) && !(a7 == 1)) && !(a8 == 0)) && a12 == 8) && a21 == 1) && a20 == 1) && 1 == a17) || (((((a16 == 4 && a8 == 13) && a12 == 8) && a21 == 1) && a20 == 1) && 1 == a17)))) || ((((1 == a7 && a21 <= 0) && \old(a20) == a20) && !(a16 == 6)) && a17 <= 0)) || !(1 == \old(a21))) || (((a8 <= 13 && !(a7 == 1)) && a16 == 4) && a17 <= 0)) || !(8 == a12)) || (((!(a7 == 1) && 1 == a21) && a17 <= 0) && a20 <= 0)) || ((((a8 <= 13 && !(a7 == 1)) && \old(a20) == a20) && !(a16 == 6)) && a17 <= 0)) || (a8 <= 13 && (((((((!(a16 == 0) && !(a7 == 1)) && !(a8 == 0)) && a12 == 8) && a21 == 1) && a20 == 1) && 1 == a17) || (((((a16 == 4 && a8 == 13) && a12 == 8) && a21 == 1) && a20 == 1) && 1 == a17)))) || ((((((((1 == a7 && !(\old(a7) == 1)) && !(a16 == 6)) && !(a16 == 4)) && 1 == \old(a20)) && 1 <= a20) || ((((((a8 <= 13 && 1 == a7) && !(\old(a7) == 1)) && !(a16 == 6)) && 1 == \old(a20)) && 1 == a17) && 1 <= a20)) && a17 <= 0) && 1 == a21)) || (a21 <= 0 && (1 == a7 && !(a16 == 6)) && a20 <= 0)) || (((!(a7 == 1) && 15 <= a8) && a17 <= 0) && 1 == a21)) || ((a8 <= 13 && a7 == \old(a7)) && !(a16 == 6))) || (((((a8 <= 13 && 1 == a7) && a21 <= 0) && a17 <= 0) && !(a16 == 4)) && 1 <= a20)) || !(0 == \old(a7))) || (a21 <= 0 && ((((((1 == a7 && !(\old(a7) == 1)) && !(a16 == 6)) && !(a16 == 4)) && 1 == \old(a20)) && 1 <= a20) || ((((((a8 <= 13 && 1 == a7) && !(\old(a7) == 1)) && !(a16 == 6)) && 1 == \old(a20)) && 1 == a17) && 1 <= a20)))) || !(1 == \old(a17))) || !(15 == \old(a8))) || ((!(a20 == 1) && (((!(a16 == 0) && !(a7 == 1)) && !(a16 == 6)) && a21 == 1) && 1 == a17) && 15 <= a8)) || (((!(a7 == 1) && a16 == 4) && a17 <= 0) && a21 == \old(a21))) || (((((!(a16 == 0) && 1 == a17) && !(a7 == 1)) && 15 <= a8) && 1 == a21) && a20 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 32.3s OverallTime, 14 OverallIterations, 8 TraceHistogramMax, 19.0s AutomataDifference, 0.0s DeadEndRemovalTime, 6.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 713 SDtfs, 13473 SDslu, 1181 SDs, 0 SdLazy, 16124 SolverSat, 2719 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.6s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 3194 GetRequests, 2948 SyntacticMatches, 9 SemanticMatches, 237 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1404 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12240occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.1s AbstIntTime, 10 AbstIntIterations, 5 AbstIntStrong, 0.9962243024517965 AbsIntWeakeningRatio, 0.2634207240948814 AbsIntAvgWeakeningVarsNumRemoved, 27.87016229712859 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 14 MinimizatonAttempts, 4081 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 614 PreInvPairs, 1006 NumberOfFragments, 2066 HoareAnnotationTreeSize, 614 FomulaSimplifications, 113828 FormulaSimplificationTreeSizeReduction, 1.9s HoareSimplificationTime, 7 FomulaSimplificationsInter, 44852 FormulaSimplificationTreeSizeReductionInter, 4.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 3344 NumberOfCodeBlocks, 3344 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 4378 ConstructedInterpolants, 0 QuantifiedInterpolants, 1550518 SizeOfPredicates, 6 NumberOfNonLiveVariables, 3264 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 24 InterpolantComputations, 4 PerfectInterpolantSequences, 4283/4715 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...