./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-lit/mcmillan2006.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b0149b52-c060-4703-898b-3ab6e17c0a56/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b0149b52-c060-4703-898b-3ab6e17c0a56/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b0149b52-c060-4703-898b-3ab6e17c0a56/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b0149b52-c060-4703-898b-3ab6e17c0a56/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-lit/mcmillan2006.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b0149b52-c060-4703-898b-3ab6e17c0a56/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b0149b52-c060-4703-898b-3ab6e17c0a56/bin/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 025e0289c8e9b33528493c96bf0a22ba3200731b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:53:55,221 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:53:55,223 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:53:55,237 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:53:55,238 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:53:55,239 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:53:55,241 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:53:55,249 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:53:55,254 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:53:55,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:53:55,259 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:53:55,261 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:53:55,261 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:53:55,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:53:55,264 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:53:55,265 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:53:55,266 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:53:55,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:53:55,269 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:53:55,273 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:53:55,277 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:53:55,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:53:55,281 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:53:55,282 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:53:55,285 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:53:55,286 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:53:55,286 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:53:55,288 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:53:55,288 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:53:55,289 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:53:55,289 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:53:55,290 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:53:55,291 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:53:55,291 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:53:55,292 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:53:55,292 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:53:55,293 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:53:55,293 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:53:55,293 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:53:55,294 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:53:55,295 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:53:55,296 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b0149b52-c060-4703-898b-3ab6e17c0a56/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:53:55,320 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:53:55,330 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:53:55,331 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:53:55,331 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:53:55,331 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:53:55,332 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:53:55,332 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:53:55,332 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:53:55,332 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:53:55,332 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:53:55,333 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:53:55,333 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:53:55,333 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:53:55,333 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:53:55,333 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:53:55,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:53:55,335 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:53:55,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:53:55,336 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:53:55,336 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:53:55,336 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:53:55,336 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:53:55,336 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:53:55,337 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:53:55,337 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:53:55,337 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:53:55,337 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:53:55,337 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:53:55,338 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:53:55,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:53:55,338 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:53:55,338 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:53:55,339 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:53:55,339 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:53:55,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:53:55,339 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:53:55,340 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:53:55,340 INFO L138 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/run_dir_b0149b52-c060-4703-898b-3ab6e17c0a56/bin/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 -> 025e0289c8e9b33528493c96bf0a22ba3200731b [2019-11-26 02:53:55,512 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:53:55,528 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:53:55,531 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:53:55,532 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:53:55,533 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:53:55,533 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b0149b52-c060-4703-898b-3ab6e17c0a56/bin/utaipan/../../sv-benchmarks/c/loop-lit/mcmillan2006.i [2019-11-26 02:53:55,589 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b0149b52-c060-4703-898b-3ab6e17c0a56/bin/utaipan/data/8f86db3a2/73e90a04e6b947f693befaac52d99af2/FLAGf8066dfff [2019-11-26 02:53:55,957 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:53:55,958 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b0149b52-c060-4703-898b-3ab6e17c0a56/sv-benchmarks/c/loop-lit/mcmillan2006.i [2019-11-26 02:53:55,963 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b0149b52-c060-4703-898b-3ab6e17c0a56/bin/utaipan/data/8f86db3a2/73e90a04e6b947f693befaac52d99af2/FLAGf8066dfff [2019-11-26 02:53:55,974 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b0149b52-c060-4703-898b-3ab6e17c0a56/bin/utaipan/data/8f86db3a2/73e90a04e6b947f693befaac52d99af2 [2019-11-26 02:53:55,977 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:53:55,978 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:53:55,979 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:53:55,980 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:53:55,983 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:53:55,984 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:53:55" (1/1) ... [2019-11-26 02:53:55,986 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ee4d6d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:55, skipping insertion in model container [2019-11-26 02:53:55,986 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:53:55" (1/1) ... [2019-11-26 02:53:55,993 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:53:56,010 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:53:56,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:53:56,284 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:53:56,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:53:56,311 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:53:56,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:56 WrapperNode [2019-11-26 02:53:56,312 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:53:56,313 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:53:56,313 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:53:56,313 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:53:56,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:56" (1/1) ... [2019-11-26 02:53:56,328 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:56" (1/1) ... [2019-11-26 02:53:56,344 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:53:56,345 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:53:56,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:53:56,345 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:53:56,353 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:56" (1/1) ... [2019-11-26 02:53:56,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:56" (1/1) ... [2019-11-26 02:53:56,355 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:56" (1/1) ... [2019-11-26 02:53:56,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:56" (1/1) ... [2019-11-26 02:53:56,359 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:56" (1/1) ... [2019-11-26 02:53:56,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:56" (1/1) ... [2019-11-26 02:53:56,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:56" (1/1) ... [2019-11-26 02:53:56,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:53:56,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:53:56,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:53:56,366 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:53:56,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b0149b52-c060-4703-898b-3ab6e17c0a56/bin/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 [2019-11-26 02:53:56,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-26 02:53:56,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-26 02:53:56,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:53:56,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:53:56,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-26 02:53:56,669 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:53:56,670 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-26 02:53:56,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:53:56 BoogieIcfgContainer [2019-11-26 02:53:56,671 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:53:56,672 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:53:56,672 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:53:56,674 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:53:56,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:53:55" (1/3) ... [2019-11-26 02:53:56,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e0958c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:53:56, skipping insertion in model container [2019-11-26 02:53:56,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:56" (2/3) ... [2019-11-26 02:53:56,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e0958c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:53:56, skipping insertion in model container [2019-11-26 02:53:56,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:53:56" (3/3) ... [2019-11-26 02:53:56,677 INFO L109 eAbstractionObserver]: Analyzing ICFG mcmillan2006.i [2019-11-26 02:53:56,686 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:53:56,692 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-26 02:53:56,702 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-26 02:53:56,726 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:53:56,727 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:53:56,727 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:53:56,727 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:53:56,735 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:53:56,735 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:53:56,736 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:53:56,736 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:53:56,748 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2019-11-26 02:53:56,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-26 02:53:56,765 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:53:56,766 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-26 02:53:56,766 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:53:56,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:53:56,772 INFO L82 PathProgramCache]: Analyzing trace with hash -1939244867, now seen corresponding path program 1 times [2019-11-26 02:53:56,782 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:53:56,783 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748939580] [2019-11-26 02:53:56,783 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:53:56,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:53:56,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:53:56,965 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748939580] [2019-11-26 02:53:56,965 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:53:56,966 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-26 02:53:56,966 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770706069] [2019-11-26 02:53:56,970 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-26 02:53:56,970 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:53:56,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-26 02:53:56,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-26 02:53:56,981 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 4 states. [2019-11-26 02:53:57,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:53:57,050 INFO L93 Difference]: Finished difference Result 21 states and 26 transitions. [2019-11-26 02:53:57,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-26 02:53:57,052 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2019-11-26 02:53:57,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:53:57,060 INFO L225 Difference]: With dead ends: 21 [2019-11-26 02:53:57,060 INFO L226 Difference]: Without dead ends: 9 [2019-11-26 02:53:57,063 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-26 02:53:57,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2019-11-26 02:53:57,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2019-11-26 02:53:57,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-11-26 02:53:57,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2019-11-26 02:53:57,090 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 6 [2019-11-26 02:53:57,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:53:57,091 INFO L462 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2019-11-26 02:53:57,091 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-26 02:53:57,091 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2019-11-26 02:53:57,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:53:57,092 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:53:57,092 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:53:57,092 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:53:57,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:53:57,093 INFO L82 PathProgramCache]: Analyzing trace with hash 11875880, now seen corresponding path program 1 times [2019-11-26 02:53:57,093 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:53:57,093 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296808112] [2019-11-26 02:53:57,093 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:53:57,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:53:57,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:53:57,271 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296808112] [2019-11-26 02:53:57,271 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [32945699] [2019-11-26 02:53:57,271 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b0149b52-c060-4703-898b-3ab6e17c0a56/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:53:57,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:53:57,321 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-26 02:53:57,328 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:53:57,402 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-11-26 02:53:57,402 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-26 02:53:57,409 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 02:53:57,410 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-26 02:53:57,410 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2019-11-26 02:53:57,444 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-26 02:53:57,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:53:57,463 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:53:57,497 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2019-11-26 02:53:57,512 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2019-11-26 02:53:57,513 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-26 02:53:57,517 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 02:53:57,518 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-26 02:53:57,520 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-26 02:53:57,520 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-26 02:53:57,521 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:14, output treesize:7 [2019-11-26 02:53:57,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:53:57,534 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1279507348] [2019-11-26 02:53:57,562 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2019-11-26 02:53:57,562 INFO L166 IcfgInterpreter]: Building call graph [2019-11-26 02:53:57,571 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-26 02:53:57,577 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-26 02:53:57,578 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-26 02:53:57,985 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-26 02:53:58,112 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2019-11-26 02:53:58,474 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2019-11-26 02:53:58,476 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-26 02:53:58,476 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-11-26 02:53:58,477 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2019-11-26 02:53:58,478 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604718633] [2019-11-26 02:53:58,478 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-26 02:53:58,478 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:53:58,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-26 02:53:58,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2019-11-26 02:53:58,480 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. Second operand 11 states. [2019-11-26 02:53:58,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:53:58,757 INFO L93 Difference]: Finished difference Result 25 states and 28 transitions. [2019-11-26 02:53:58,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-26 02:53:58,758 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 7 [2019-11-26 02:53:58,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:53:58,759 INFO L225 Difference]: With dead ends: 25 [2019-11-26 02:53:58,759 INFO L226 Difference]: Without dead ends: 23 [2019-11-26 02:53:58,761 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2019-11-26 02:53:58,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2019-11-26 02:53:58,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 11. [2019-11-26 02:53:58,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-26 02:53:58,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2019-11-26 02:53:58,765 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 7 [2019-11-26 02:53:58,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:53:58,765 INFO L462 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2019-11-26 02:53:58,765 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-26 02:53:58,765 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2019-11-26 02:53:58,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:53:58,770 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:53:58,770 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:53:58,971 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:53:58,971 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:53:58,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:53:58,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1612145964, now seen corresponding path program 1 times [2019-11-26 02:53:58,972 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:53:58,972 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508708339] [2019-11-26 02:53:58,972 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:53:58,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:53:59,030 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:53:59,030 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508708339] [2019-11-26 02:53:59,030 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48077747] [2019-11-26 02:53:59,030 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b0149b52-c060-4703-898b-3ab6e17c0a56/bin/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:53:59,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:53:59,084 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-26 02:53:59,085 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:53:59,124 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:53:59,124 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:53:59,149 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:53:59,149 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [890877329] [2019-11-26 02:53:59,150 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2019-11-26 02:53:59,151 INFO L166 IcfgInterpreter]: Building call graph [2019-11-26 02:53:59,151 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-26 02:53:59,151 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-26 02:53:59,152 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-26 02:53:59,393 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-26 02:53:59,861 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-26 02:53:59,861 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-11-26 02:53:59,862 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2019-11-26 02:53:59,862 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512884458] [2019-11-26 02:53:59,862 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-26 02:53:59,862 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:53:59,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-26 02:53:59,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2019-11-26 02:53:59,863 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand 10 states. [2019-11-26 02:53:59,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:53:59,924 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2019-11-26 02:53:59,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-26 02:53:59,928 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 10 [2019-11-26 02:53:59,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:53:59,929 INFO L225 Difference]: With dead ends: 21 [2019-11-26 02:53:59,929 INFO L226 Difference]: Without dead ends: 12 [2019-11-26 02:53:59,929 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 18 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2019-11-26 02:53:59,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-11-26 02:53:59,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-11-26 02:53:59,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-26 02:53:59,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2019-11-26 02:53:59,932 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 10 [2019-11-26 02:53:59,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:53:59,933 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2019-11-26 02:53:59,933 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-26 02:53:59,933 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2019-11-26 02:53:59,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-26 02:53:59,933 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:53:59,933 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:54:00,134 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:54:00,134 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:54:00,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:54:00,135 INFO L82 PathProgramCache]: Analyzing trace with hash 606106903, now seen corresponding path program 2 times [2019-11-26 02:54:00,135 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:54:00,135 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668906962] [2019-11-26 02:54:00,136 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:54:00,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:54:00,233 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:54:00,234 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668906962] [2019-11-26 02:54:00,234 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [254911756] [2019-11-26 02:54:00,234 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b0149b52-c060-4703-898b-3ab6e17c0a56/bin/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:54:00,282 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2019-11-26 02:54:00,282 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-26 02:54:00,283 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 22 conjunts are in the unsatisfiable core [2019-11-26 02:54:00,284 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:54:00,369 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:54:00,369 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:54:00,422 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:54:00,422 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1465168258] [2019-11-26 02:54:00,424 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2019-11-26 02:54:00,424 INFO L166 IcfgInterpreter]: Building call graph [2019-11-26 02:54:00,424 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-26 02:54:00,424 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-26 02:54:00,424 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-26 02:54:00,658 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-26 02:54:01,186 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-26 02:54:01,186 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-11-26 02:54:01,187 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 13 [2019-11-26 02:54:01,187 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082521593] [2019-11-26 02:54:01,187 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-26 02:54:01,187 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:54:01,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-26 02:54:01,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2019-11-26 02:54:01,188 INFO L87 Difference]: Start difference. First operand 12 states and 13 transitions. Second operand 13 states. [2019-11-26 02:54:01,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:54:01,377 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2019-11-26 02:54:01,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-26 02:54:01,378 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 11 [2019-11-26 02:54:01,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:54:01,379 INFO L225 Difference]: With dead ends: 19 [2019-11-26 02:54:01,379 INFO L226 Difference]: Without dead ends: 17 [2019-11-26 02:54:01,379 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 18 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=96, Invalid=456, Unknown=0, NotChecked=0, Total=552 [2019-11-26 02:54:01,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-11-26 02:54:01,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2019-11-26 02:54:01,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-26 02:54:01,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2019-11-26 02:54:01,383 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 11 [2019-11-26 02:54:01,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:54:01,384 INFO L462 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2019-11-26 02:54:01,384 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-26 02:54:01,384 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2019-11-26 02:54:01,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-26 02:54:01,384 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:54:01,385 INFO L410 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1] [2019-11-26 02:54:01,593 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:54:01,593 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:54:01,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:54:01,593 INFO L82 PathProgramCache]: Analyzing trace with hash 493358045, now seen corresponding path program 3 times [2019-11-26 02:54:01,593 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:54:01,593 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127312237] [2019-11-26 02:54:01,594 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:54:01,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:54:01,687 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:54:01,687 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127312237] [2019-11-26 02:54:01,687 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1970411178] [2019-11-26 02:54:01,687 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b0149b52-c060-4703-898b-3ab6e17c0a56/bin/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:54:01,742 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-11-26 02:54:01,743 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-26 02:54:01,744 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-26 02:54:01,746 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:54:01,805 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:54:01,805 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:54:01,838 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:54:01,838 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1152390313] [2019-11-26 02:54:01,839 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2019-11-26 02:54:01,839 INFO L166 IcfgInterpreter]: Building call graph [2019-11-26 02:54:01,840 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-26 02:54:01,840 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-26 02:54:01,840 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-26 02:54:02,037 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-26 02:54:02,480 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-26 02:54:02,480 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-11-26 02:54:02,480 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2019-11-26 02:54:02,481 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566867747] [2019-11-26 02:54:02,481 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-26 02:54:02,481 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:54:02,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-26 02:54:02,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2019-11-26 02:54:02,482 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand 13 states. [2019-11-26 02:54:02,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:54:02,587 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2019-11-26 02:54:02,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-26 02:54:02,587 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 14 [2019-11-26 02:54:02,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:54:02,588 INFO L225 Difference]: With dead ends: 28 [2019-11-26 02:54:02,588 INFO L226 Difference]: Without dead ends: 16 [2019-11-26 02:54:02,588 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 27 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=87, Invalid=375, Unknown=0, NotChecked=0, Total=462 [2019-11-26 02:54:02,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-26 02:54:02,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-26 02:54:02,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-26 02:54:02,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2019-11-26 02:54:02,592 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 14 [2019-11-26 02:54:02,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:54:02,592 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2019-11-26 02:54:02,592 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-11-26 02:54:02,592 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2019-11-26 02:54:02,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-26 02:54:02,592 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:54:02,592 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1] [2019-11-26 02:54:02,793 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:54:02,794 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:54:02,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:54:02,794 INFO L82 PathProgramCache]: Analyzing trace with hash -1790890424, now seen corresponding path program 4 times [2019-11-26 02:54:02,794 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:54:02,794 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326022803] [2019-11-26 02:54:02,794 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:54:02,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:54:02,909 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:54:02,909 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326022803] [2019-11-26 02:54:02,909 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [860614866] [2019-11-26 02:54:02,910 INFO L92 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b0149b52-c060-4703-898b-3ab6e17c0a56/bin/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:54:02,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:54:02,950 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 21 conjunts are in the unsatisfiable core [2019-11-26 02:54:02,951 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:54:03,024 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:54:03,024 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:54:03,075 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:54:03,075 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [875052028] [2019-11-26 02:54:03,076 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2019-11-26 02:54:03,076 INFO L166 IcfgInterpreter]: Building call graph [2019-11-26 02:54:03,076 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-26 02:54:03,077 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-26 02:54:03,077 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-26 02:54:03,285 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-26 02:54:03,765 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-26 02:54:03,765 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-11-26 02:54:03,766 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 14 [2019-11-26 02:54:03,766 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128853635] [2019-11-26 02:54:03,766 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-26 02:54:03,766 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:54:03,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-26 02:54:03,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2019-11-26 02:54:03,767 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand 14 states. [2019-11-26 02:54:03,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:54:03,964 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2019-11-26 02:54:03,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-26 02:54:03,965 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 15 [2019-11-26 02:54:03,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:54:03,965 INFO L225 Difference]: With dead ends: 23 [2019-11-26 02:54:03,965 INFO L226 Difference]: Without dead ends: 21 [2019-11-26 02:54:03,966 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 31 SyntacticMatches, 4 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=97, Invalid=553, Unknown=0, NotChecked=0, Total=650 [2019-11-26 02:54:03,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-26 02:54:03,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 19. [2019-11-26 02:54:03,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-11-26 02:54:03,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2019-11-26 02:54:03,971 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 15 [2019-11-26 02:54:03,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:54:03,971 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2019-11-26 02:54:03,972 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-26 02:54:03,972 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2019-11-26 02:54:03,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-26 02:54:03,972 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:54:03,972 INFO L410 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 1, 1, 1, 1, 1] [2019-11-26 02:54:04,175 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:54:04,181 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:54:04,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:54:04,182 INFO L82 PathProgramCache]: Analyzing trace with hash -327747316, now seen corresponding path program 5 times [2019-11-26 02:54:04,182 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:54:04,182 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882907023] [2019-11-26 02:54:04,182 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:54:04,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:54:04,283 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:54:04,284 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882907023] [2019-11-26 02:54:04,284 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1784199692] [2019-11-26 02:54:04,284 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b0149b52-c060-4703-898b-3ab6e17c0a56/bin/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:54:04,328 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2019-11-26 02:54:04,329 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-26 02:54:04,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-26 02:54:04,331 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:54:04,394 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:54:04,394 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:54:04,433 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:54:04,434 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1661789815] [2019-11-26 02:54:04,435 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2019-11-26 02:54:04,435 INFO L166 IcfgInterpreter]: Building call graph [2019-11-26 02:54:04,435 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-26 02:54:04,435 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-26 02:54:04,435 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-26 02:54:04,616 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-26 02:54:05,054 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-26 02:54:05,054 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-11-26 02:54:05,054 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 16 [2019-11-26 02:54:05,054 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33336093] [2019-11-26 02:54:05,055 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-11-26 02:54:05,055 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:54:05,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-11-26 02:54:05,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=378, Unknown=0, NotChecked=0, Total=462 [2019-11-26 02:54:05,055 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand 16 states. [2019-11-26 02:54:05,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:54:05,160 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2019-11-26 02:54:05,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-26 02:54:05,161 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 18 [2019-11-26 02:54:05,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:54:05,161 INFO L225 Difference]: With dead ends: 35 [2019-11-26 02:54:05,161 INFO L226 Difference]: Without dead ends: 20 [2019-11-26 02:54:05,162 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 36 SyntacticMatches, 6 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=120, Invalid=530, Unknown=0, NotChecked=0, Total=650 [2019-11-26 02:54:05,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-11-26 02:54:05,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-11-26 02:54:05,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-11-26 02:54:05,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2019-11-26 02:54:05,167 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 18 [2019-11-26 02:54:05,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:54:05,167 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2019-11-26 02:54:05,167 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-11-26 02:54:05,167 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2019-11-26 02:54:05,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-26 02:54:05,168 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:54:05,168 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1] [2019-11-26 02:54:05,372 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:54:05,372 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:54:05,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:54:05,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1261244937, now seen corresponding path program 6 times [2019-11-26 02:54:05,372 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:54:05,372 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552376253] [2019-11-26 02:54:05,373 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:54:05,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:54:05,520 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:54:05,520 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552376253] [2019-11-26 02:54:05,520 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [291271369] [2019-11-26 02:54:05,520 INFO L92 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b0149b52-c060-4703-898b-3ab6e17c0a56/bin/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:54:05,564 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2019-11-26 02:54:05,565 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-26 02:54:05,565 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 25 conjunts are in the unsatisfiable core [2019-11-26 02:54:05,566 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:54:05,658 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:54:05,658 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:54:05,695 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:54:05,695 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1269031735] [2019-11-26 02:54:05,696 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2019-11-26 02:54:05,696 INFO L166 IcfgInterpreter]: Building call graph [2019-11-26 02:54:05,697 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-26 02:54:05,697 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-26 02:54:05,697 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-26 02:54:05,868 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-26 02:54:06,261 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-26 02:54:06,261 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-11-26 02:54:06,261 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 17 [2019-11-26 02:54:06,261 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008458177] [2019-11-26 02:54:06,261 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-11-26 02:54:06,262 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:54:06,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-11-26 02:54:06,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=442, Unknown=0, NotChecked=0, Total=506 [2019-11-26 02:54:06,262 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand 17 states. [2019-11-26 02:54:06,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:54:06,480 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2019-11-26 02:54:06,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-11-26 02:54:06,480 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 19 [2019-11-26 02:54:06,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:54:06,481 INFO L225 Difference]: With dead ends: 27 [2019-11-26 02:54:06,481 INFO L226 Difference]: Without dead ends: 25 [2019-11-26 02:54:06,481 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 42 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=112, Invalid=758, Unknown=0, NotChecked=0, Total=870 [2019-11-26 02:54:06,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-11-26 02:54:06,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2019-11-26 02:54:06,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2019-11-26 02:54:06,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2019-11-26 02:54:06,486 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 19 [2019-11-26 02:54:06,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:54:06,486 INFO L462 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2019-11-26 02:54:06,486 INFO L463 AbstractCegarLoop]: Interpolant automaton has 17 states. [2019-11-26 02:54:06,486 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2019-11-26 02:54:06,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-26 02:54:06,487 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:54:06,487 INFO L410 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 1, 1, 1, 1, 1] [2019-11-26 02:54:06,690 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:54:06,690 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:54:06,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:54:06,691 INFO L82 PathProgramCache]: Analyzing trace with hash -1368889603, now seen corresponding path program 7 times [2019-11-26 02:54:06,691 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:54:06,691 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841238022] [2019-11-26 02:54:06,691 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:54:06,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:54:06,786 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:54:06,787 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841238022] [2019-11-26 02:54:06,787 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1191712937] [2019-11-26 02:54:06,787 INFO L92 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b0149b52-c060-4703-898b-3ab6e17c0a56/bin/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:54:06,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:54:06,819 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-26 02:54:06,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:54:06,896 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:54:06,897 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:54:06,961 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:54:06,961 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1975979818] [2019-11-26 02:54:06,962 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2019-11-26 02:54:06,962 INFO L166 IcfgInterpreter]: Building call graph [2019-11-26 02:54:06,963 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-26 02:54:06,963 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-26 02:54:06,963 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-26 02:54:07,106 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-26 02:54:07,485 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-26 02:54:07,486 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-11-26 02:54:07,486 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 19 [2019-11-26 02:54:07,486 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811405512] [2019-11-26 02:54:07,486 INFO L442 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-11-26 02:54:07,486 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:54:07,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-11-26 02:54:07,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=492, Unknown=0, NotChecked=0, Total=600 [2019-11-26 02:54:07,487 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand 19 states. [2019-11-26 02:54:07,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:54:07,634 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions. [2019-11-26 02:54:07,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-26 02:54:07,634 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 22 [2019-11-26 02:54:07,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:54:07,635 INFO L225 Difference]: With dead ends: 42 [2019-11-26 02:54:07,635 INFO L226 Difference]: Without dead ends: 24 [2019-11-26 02:54:07,636 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 45 SyntacticMatches, 8 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 286 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=160, Invalid=710, Unknown=0, NotChecked=0, Total=870 [2019-11-26 02:54:07,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-11-26 02:54:07,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-11-26 02:54:07,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-11-26 02:54:07,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2019-11-26 02:54:07,640 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 22 [2019-11-26 02:54:07,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:54:07,640 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2019-11-26 02:54:07,640 INFO L463 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-11-26 02:54:07,640 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2019-11-26 02:54:07,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-26 02:54:07,641 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:54:07,641 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1] [2019-11-26 02:54:07,841 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:54:07,842 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:54:07,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:54:07,842 INFO L82 PathProgramCache]: Analyzing trace with hash 1285156456, now seen corresponding path program 8 times [2019-11-26 02:54:07,842 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:54:07,842 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209146064] [2019-11-26 02:54:07,842 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:54:07,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:54:08,019 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:54:08,020 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209146064] [2019-11-26 02:54:08,020 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1576411826] [2019-11-26 02:54:08,020 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b0149b52-c060-4703-898b-3ab6e17c0a56/bin/utaipan/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:54:08,087 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2019-11-26 02:54:08,087 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-26 02:54:08,088 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 22 conjunts are in the unsatisfiable core [2019-11-26 02:54:08,090 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:54:08,409 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 22 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:54:08,409 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:54:08,762 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:54:08,762 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [113269616] [2019-11-26 02:54:08,763 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2019-11-26 02:54:08,763 INFO L166 IcfgInterpreter]: Building call graph [2019-11-26 02:54:08,764 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-26 02:54:08,764 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-26 02:54:08,764 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-26 02:54:08,941 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-26 02:54:09,434 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2019-11-26 02:54:09,434 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-11-26 02:54:09,435 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 32 [2019-11-26 02:54:09,435 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501815691] [2019-11-26 02:54:09,435 INFO L442 AbstractCegarLoop]: Interpolant automaton has 32 states [2019-11-26 02:54:09,436 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:54:09,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2019-11-26 02:54:09,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=1250, Unknown=0, NotChecked=0, Total=1406 [2019-11-26 02:54:09,436 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand 32 states. [2019-11-26 02:54:14,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:54:14,097 INFO L93 Difference]: Finished difference Result 43 states and 46 transitions. [2019-11-26 02:54:14,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2019-11-26 02:54:14,097 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 23 [2019-11-26 02:54:14,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:54:14,098 INFO L225 Difference]: With dead ends: 43 [2019-11-26 02:54:14,098 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:54:14,099 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 40 SyntacticMatches, 5 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 809 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=500, Invalid=3783, Unknown=7, NotChecked=0, Total=4290 [2019-11-26 02:54:14,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:54:14,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:54:14,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:54:14,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:54:14,100 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2019-11-26 02:54:14,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:54:14,100 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:54:14,100 INFO L463 AbstractCegarLoop]: Interpolant automaton has 32 states. [2019-11-26 02:54:14,100 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:54:14,100 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:54:14,300 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:54:14,304 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:54:14,639 WARN L192 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2019-11-26 02:54:15,997 WARN L192 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 140 DAG size of output: 79 [2019-11-26 02:54:16,974 WARN L192 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 95 [2019-11-26 02:54:16,977 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:54:16,977 INFO L440 ceAbstractionStarter]: At program point L17-3(line 17) the Hoare annotation is: (let ((.cse15 (select |#memory_int| ULTIMATE.start_main_~x~0.base))) (let ((.cse14 (= 0 (select .cse15 (+ ULTIMATE.start_main_~x~0.offset 16)))) (.cse9 (<= 1 ULTIMATE.start_main_~i~1)) (.cse10 (= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse13 (forall ((v_ULTIMATE.start_main_~i~1_82 Int)) (or (= 0 (select (select |#memory_int| ULTIMATE.start_main_~x~0.base) (+ (* v_ULTIMATE.start_main_~i~1_82 4) ULTIMATE.start_main_~x~0.offset))) (< ULTIMATE.start_main_~i~0 (+ v_ULTIMATE.start_main_~i~1_82 1)) (< v_ULTIMATE.start_main_~i~1_82 4)))) (.cse17 (<= ULTIMATE.start_main_~i~0 1)) (.cse18 (<= ULTIMATE.start_main_~n~0 1)) (.cse7 (<= ULTIMATE.start_main_~n~0 2)) (.cse8 (<= ULTIMATE.start_main_~i~0 2)) (.cse0 (= (select .cse15 (+ ULTIMATE.start_main_~x~0.offset 12)) 0)) (.cse3 (<= ULTIMATE.start_main_~n~0 4)) (.cse6 (<= ULTIMATE.start_main_~i~0 4)) (.cse2 (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond))) (.cse19 (= ULTIMATE.start_main_~i~1 2)) (.cse11 (<= ULTIMATE.start_main_~n~0 3)) (.cse1 (= (select .cse15 ULTIMATE.start_main_~x~0.offset) 0)) (.cse16 (= ULTIMATE.start_main_~i~1 0)) (.cse12 (<= ULTIMATE.start_main_~i~0 3)) (.cse4 (= 0 (select .cse15 (+ ULTIMATE.start_main_~x~0.offset 4)))) (.cse5 (= (select .cse15 (+ ULTIMATE.start_main_~x~0.offset 8)) 0))) (or (and .cse0 (<= 4 ULTIMATE.start_main_~i~1) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse1 .cse2 .cse9 .cse10 .cse4) (and .cse7 .cse8 .cse1 .cse2 (<= 2 ULTIMATE.start_main_~i~1) .cse4) (and .cse11 .cse1 .cse2 .cse9 .cse12 .cse10 .cse4 .cse5) (and .cse0 .cse1 (<= ULTIMATE.start_main_~n~0 ULTIMATE.start_main_~i~1) .cse2 .cse10 .cse13 .cse14 .cse4 .cse5) (and .cse0 .cse1 .cse2 (forall ((v_ULTIMATE.start_main_~i~1_82 Int)) (or (= 0 (select (select |#memory_int| ULTIMATE.start_main_~x~0.base) (+ (* v_ULTIMATE.start_main_~i~1_82 4) ULTIMATE.start_main_~x~0.offset))) (<= ULTIMATE.start_main_~n~0 v_ULTIMATE.start_main_~i~1_82) (< v_ULTIMATE.start_main_~i~1_82 (+ ULTIMATE.start_main_~i~1 1)))) .cse13 .cse14 .cse4 (= 0 (select .cse15 (+ ULTIMATE.start_main_~x~0.offset (* ULTIMATE.start_main_~i~1 4)))) .cse5) (and .cse16 (<= ULTIMATE.start_main_~n~0 0) (= ULTIMATE.start_main_~i~0 0)) (and .cse1 .cse2 .cse9 .cse17 .cse18) (and .cse0 .cse1 .cse2 .cse3 (= ULTIMATE.start_main_~i~1 3) .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse2 .cse9 .cse10 .cse3 .cse4 .cse6 .cse5) (and .cse0 (forall ((v_ULTIMATE.start_main_~i~1_82 Int)) (or (= 0 (select (select |#memory_int| ULTIMATE.start_main_~x~0.base) (+ (* v_ULTIMATE.start_main_~i~1_82 4) ULTIMATE.start_main_~x~0.offset))) (<= ULTIMATE.start_main_~n~0 v_ULTIMATE.start_main_~i~1_82) (< v_ULTIMATE.start_main_~i~1_82 (+ ULTIMATE.start_main_~i~1 4)))) .cse1 .cse16 .cse13 .cse4 .cse5) (and .cse1 .cse16 .cse17 .cse18) (and .cse7 .cse8 .cse1 .cse16 .cse4) (and .cse11 .cse1 .cse2 .cse12 (<= 3 ULTIMATE.start_main_~i~1) .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse19 .cse6 .cse5) (and .cse11 .cse1 .cse2 .cse12 .cse4 .cse19 .cse5) (and .cse11 .cse1 .cse16 .cse12 .cse4 .cse5)))) [2019-11-26 02:54:16,977 INFO L444 ceAbstractionStarter]: For program point L5(lines 5 7) no Hoare annotation was computed. [2019-11-26 02:54:16,978 INFO L440 ceAbstractionStarter]: At program point L5-2(lines 4 9) the Hoare annotation is: (let ((.cse15 (select |#memory_int| ULTIMATE.start_main_~x~0.base))) (let ((.cse4 (<= ULTIMATE.start_main_~n~0 4)) (.cse6 (<= ULTIMATE.start_main_~i~0 4)) (.cse3 (<= 1 ULTIMATE.start_main_~i~1)) (.cse10 (<= ULTIMATE.start_main_~n~0 2)) (.cse11 (<= ULTIMATE.start_main_~i~0 2)) (.cse0 (= (select .cse15 (+ ULTIMATE.start_main_~x~0.offset 12)) 0)) (.cse12 (forall ((v_ULTIMATE.start_main_~i~1_82 Int)) (or (= 0 (select (select |#memory_int| ULTIMATE.start_main_~x~0.base) (+ (* v_ULTIMATE.start_main_~i~1_82 4) ULTIMATE.start_main_~x~0.offset))) (<= ULTIMATE.start_main_~n~0 v_ULTIMATE.start_main_~i~1_82) (< v_ULTIMATE.start_main_~i~1_82 (+ ULTIMATE.start_main_~i~1 1))))) (.cse16 (* ULTIMATE.start_main_~i~1 4)) (.cse13 (forall ((v_ULTIMATE.start_main_~i~1_82 Int)) (or (= 0 (select (select |#memory_int| ULTIMATE.start_main_~x~0.base) (+ (* v_ULTIMATE.start_main_~i~1_82 4) ULTIMATE.start_main_~x~0.offset))) (< ULTIMATE.start_main_~i~0 (+ v_ULTIMATE.start_main_~i~1_82 1)) (< v_ULTIMATE.start_main_~i~1_82 4)))) (.cse14 (= 0 (select .cse15 (+ ULTIMATE.start_main_~x~0.offset 16)))) (.cse17 (<= ULTIMATE.start_main_~n~0 3)) (.cse1 (= (select .cse15 ULTIMATE.start_main_~x~0.offset) 0)) (.cse8 (= ULTIMATE.start_main_~i~1 0)) (.cse2 (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond))) (.cse18 (<= ULTIMATE.start_main_~i~0 3)) (.cse9 (= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse5 (= 0 (select .cse15 (+ ULTIMATE.start_main_~x~0.offset 4)))) (.cse7 (= (select .cse15 (+ ULTIMATE.start_main_~x~0.offset 8)) 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse1 .cse8 .cse2 .cse9 .cse4 .cse5 .cse6 .cse7) (and .cse10 .cse11 .cse1 .cse2 .cse3 .cse5) (and .cse0 .cse1 .cse2 .cse12 .cse9 .cse13 .cse14 .cse5 (= 0 (select .cse15 (+ ULTIMATE.start_main_~x~0.offset .cse16))) .cse7) (and .cse17 .cse1 .cse2 .cse3 .cse18 .cse5 .cse7) (and .cse10 .cse11 .cse1 .cse8 .cse2 .cse9 .cse5) (and .cse1 .cse8 .cse2 (<= ULTIMATE.start_main_~i~0 1) (<= ULTIMATE.start_main_~n~0 1)) (and .cse0 .cse1 .cse2 .cse12 (= 0 (select .cse15 (+ ULTIMATE.start_main_~x~0.offset .cse16 4))) .cse13 .cse14 .cse5 .cse7) (and .cse17 .cse1 .cse8 .cse2 .cse18 .cse9 .cse5 .cse7)))) [2019-11-26 02:54:16,978 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-26 02:54:16,978 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2019-11-26 02:54:16,978 INFO L447 ceAbstractionStarter]: At program point L18(lines 12 19) the Hoare annotation is: true [2019-11-26 02:54:16,978 INFO L444 ceAbstractionStarter]: For program point L14(line 14) no Hoare annotation was computed. [2019-11-26 02:54:16,978 INFO L440 ceAbstractionStarter]: At program point L16-3(line 16) the Hoare annotation is: (let ((.cse4 (select |#memory_int| ULTIMATE.start_main_~x~0.base))) (let ((.cse0 (= (select .cse4 (+ ULTIMATE.start_main_~x~0.offset 12)) 0)) (.cse2 (= 0 (select .cse4 (+ ULTIMATE.start_main_~x~0.offset 4)))) (.cse3 (= (select .cse4 (+ ULTIMATE.start_main_~x~0.offset 8)) 0)) (.cse1 (= (select .cse4 ULTIMATE.start_main_~x~0.offset) 0))) (or (and (= ULTIMATE.start_main_~i~0 0) (= ULTIMATE.start_main_~x~0.offset 0)) (and .cse0 .cse1 .cse2 (<= 4 ULTIMATE.start_main_~i~0) (<= ULTIMATE.start_main_~i~0 4) .cse3) (and (<= ULTIMATE.start_main_~i~0 2) .cse1 (<= 2 ULTIMATE.start_main_~i~0) .cse2) (and .cse0 .cse1 (forall ((v_ULTIMATE.start_main_~i~1_82 Int)) (or (= 0 (select (select |#memory_int| ULTIMATE.start_main_~x~0.base) (+ (* v_ULTIMATE.start_main_~i~1_82 4) ULTIMATE.start_main_~x~0.offset))) (< ULTIMATE.start_main_~i~0 (+ v_ULTIMATE.start_main_~i~1_82 1)) (< v_ULTIMATE.start_main_~i~1_82 4))) (= 0 (select .cse4 (+ ULTIMATE.start_main_~x~0.offset 16))) .cse2 .cse3) (and .cse1 (<= 3 ULTIMATE.start_main_~i~0) (<= ULTIMATE.start_main_~i~0 3) .cse2 .cse3) (and (<= 1 ULTIMATE.start_main_~i~0) .cse1 (<= ULTIMATE.start_main_~i~0 1))))) [2019-11-26 02:54:16,978 INFO L444 ceAbstractionStarter]: For program point L6(line 6) no Hoare annotation was computed. [2019-11-26 02:54:16,985 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:16,986 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:16,986 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:16,989 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:16,989 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:16,989 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:16,990 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:16,990 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:16,990 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:16,990 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:16,991 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:16,991 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:16,991 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:16,991 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:16,992 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:16,992 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:16,992 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:16,992 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:16,993 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:16,998 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:16,998 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:16,999 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,000 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,000 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,001 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,001 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,001 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,001 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,002 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,002 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,002 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,002 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,003 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,003 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,003 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,003 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,004 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,004 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,007 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,007 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,007 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,008 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,008 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,008 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,009 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,009 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,009 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,010 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,010 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,010 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,018 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,019 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,019 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,019 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,019 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,019 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,019 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,020 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,020 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,020 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,020 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,020 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,020 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,020 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,021 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,021 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,021 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,021 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,021 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,021 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,021 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,022 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,022 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,022 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,022 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,022 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,022 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,022 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,023 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,023 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,023 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,023 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,023 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,023 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,023 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,025 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,025 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,025 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,025 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,025 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,025 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,026 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,026 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,026 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,026 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,026 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,026 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,028 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,028 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,028 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,028 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,028 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,028 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,029 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,029 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,029 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,029 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,029 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,029 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,029 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,034 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,034 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,034 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,035 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,035 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,035 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,035 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,036 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,036 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,036 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,036 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,037 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,037 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,037 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,037 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,038 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,038 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,038 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,038 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,039 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,039 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,039 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,052 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,052 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,052 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,053 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,053 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,053 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,054 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,054 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,054 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,055 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,055 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,055 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,056 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,056 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,056 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,058 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,059 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,059 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,059 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,059 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,059 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,059 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,060 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,060 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,060 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,060 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,060 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,060 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,061 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,061 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,061 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,061 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,061 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,061 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,062 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,062 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,062 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,062 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,062 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,062 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,063 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,063 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,063 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,063 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,063 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,063 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,063 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,064 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,064 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,064 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,064 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,064 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,064 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,065 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,065 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,065 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,065 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,065 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,065 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,065 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,065 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,066 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,074 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,074 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,074 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,075 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,075 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,075 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,075 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,076 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,076 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,082 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,082 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,083 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,083 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,084 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,084 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,084 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,085 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,085 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,088 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,089 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,089 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,089 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,089 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,090 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,095 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,100 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,100 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,101 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,101 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,101 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,101 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,102 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,102 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,102 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,103 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,103 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,103 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,104 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,104 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,104 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,104 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,105 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,105 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,105 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,106 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,106 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,106 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,106 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,107 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,107 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,107 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,108 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,108 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,108 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,108 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,109 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,110 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,111 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,111 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,111 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,112 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,112 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,112 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,112 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,113 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,113 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,113 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,113 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,113 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,113 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,113 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,114 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,114 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,114 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,114 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,115 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,115 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,115 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,115 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,115 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:54:17 BoogieIcfgContainer [2019-11-26 02:54:17,119 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:54:17,119 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:54:17,119 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:54:17,119 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:54:17,120 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:53:56" (3/4) ... [2019-11-26 02:54:17,125 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:54:17,135 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-26 02:54:17,135 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-26 02:54:17,136 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:54:17,177 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b0149b52-c060-4703-898b-3ab6e17c0a56/bin/utaipan/witness.graphml [2019-11-26 02:54:17,177 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:54:17,178 INFO L168 Benchmark]: Toolchain (without parser) took 21200.44 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 233.3 MB). Free memory was 952.8 MB in the beginning and 963.2 MB in the end (delta: -10.4 MB). Peak memory consumption was 222.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:54:17,179 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:54:17,179 INFO L168 Benchmark]: CACSL2BoogieTranslator took 333.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 952.8 MB in the beginning and 1.2 GB in the end (delta: -201.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:54:17,179 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.90 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:54:17,180 INFO L168 Benchmark]: Boogie Preprocessor took 20.30 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:54:17,180 INFO L168 Benchmark]: RCFGBuilder took 305.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:54:17,180 INFO L168 Benchmark]: TraceAbstraction took 20446.99 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 73.9 MB). Free memory was 1.1 GB in the beginning and 972.6 MB in the end (delta: 157.9 MB). Peak memory consumption was 331.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:54:17,181 INFO L168 Benchmark]: Witness Printer took 58.38 ms. Allocated memory is still 1.3 GB. Free memory was 972.6 MB in the beginning and 963.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:54:17,183 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 333.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 952.8 MB in the beginning and 1.2 GB in the end (delta: -201.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.90 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.30 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 305.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 20446.99 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 73.9 MB). Free memory was 1.1 GB in the beginning and 972.6 MB in the end (delta: 157.9 MB). Peak memory consumption was 331.0 MB. Max. memory is 11.5 GB. * Witness Printer took 58.38 ms. Allocated memory is still 1.3 GB. Free memory was 972.6 MB in the beginning and 963.2 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: 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: 12]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 16]: Loop Invariant [2019-11-26 02:54:17,214 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,214 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,214 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,215 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,215 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,215 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,215 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,215 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,216 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,216 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,216 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,216 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,216 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,216 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,216 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,217 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,217 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,217 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,217 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,218 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,218 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,218 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,218 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,218 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,219 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,219 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,219 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,219 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,219 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,219 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,220 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,220 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,220 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,220 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,220 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,220 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,220 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,221 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((((i == 0 && x == 0) || (((((unknown-#memory_int-unknown[x][x + 12] == 0 && unknown-#memory_int-unknown[x][x] == 0) && 0 == unknown-#memory_int-unknown[x][x + 4]) && 4 <= i) && i <= 4) && unknown-#memory_int-unknown[x][x + 8] == 0)) || (((i <= 2 && unknown-#memory_int-unknown[x][x] == 0) && 2 <= i) && 0 == unknown-#memory_int-unknown[x][x + 4])) || (((((unknown-#memory_int-unknown[x][x + 12] == 0 && unknown-#memory_int-unknown[x][x] == 0) && (forall v_ULTIMATE.start_main_~i~1_82 : int :: (0 == unknown-#memory_int-unknown[x][v_ULTIMATE.start_main_~i~1_82 * 4 + x] || i < v_ULTIMATE.start_main_~i~1_82 + 1) || v_ULTIMATE.start_main_~i~1_82 < 4)) && 0 == unknown-#memory_int-unknown[x][x + 16]) && 0 == unknown-#memory_int-unknown[x][x + 4]) && unknown-#memory_int-unknown[x][x + 8] == 0)) || ((((unknown-#memory_int-unknown[x][x] == 0 && 3 <= i) && i <= 3) && 0 == unknown-#memory_int-unknown[x][x + 4]) && unknown-#memory_int-unknown[x][x + 8] == 0)) || ((1 <= i && unknown-#memory_int-unknown[x][x] == 0) && i <= 1) - InvariantResult [Line: 4]: Loop Invariant [2019-11-26 02:54:17,221 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,221 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,223 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,223 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,223 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,224 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,224 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,224 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,224 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,225 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,225 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,225 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,226 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,226 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,226 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,227 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,227 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,227 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,227 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,228 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,228 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,228 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,228 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,229 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,229 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,229 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,229 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,230 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,230 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,230 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,230 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,230 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,231 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,231 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,231 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,231 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,231 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,232 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,232 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,232 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,232 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,233 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,233 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,233 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,233 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,233 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,234 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,235 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,235 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,235 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,235 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,236 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,236 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,236 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,237 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,237 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,237 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,237 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,237 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,238 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,238 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,239 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,239 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,239 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,239 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,240 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,240 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,240 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,240 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,241 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,241 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,241 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,241 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,242 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,242 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,242 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,242 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,242 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,243 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,243 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,243 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,243 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,243 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,244 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,244 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,244 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,244 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,245 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,245 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,245 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,245 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,245 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,246 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,246 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((((((((((((unknown-#memory_int-unknown[x][x + 12] == 0 && unknown-#memory_int-unknown[x][x] == 0) && !(0 == cond)) && 1 <= i) && n <= 4) && 0 == unknown-#memory_int-unknown[x][x + 4]) && i <= 4) && unknown-#memory_int-unknown[x][x + 8] == 0) || ((((((((unknown-#memory_int-unknown[x][x + 12] == 0 && unknown-#memory_int-unknown[x][x] == 0) && i == 0) && !(0 == cond)) && 1 == cond) && n <= 4) && 0 == unknown-#memory_int-unknown[x][x + 4]) && i <= 4) && unknown-#memory_int-unknown[x][x + 8] == 0)) || (((((n <= 2 && i <= 2) && unknown-#memory_int-unknown[x][x] == 0) && !(0 == cond)) && 1 <= i) && 0 == unknown-#memory_int-unknown[x][x + 4])) || (((((((((unknown-#memory_int-unknown[x][x + 12] == 0 && unknown-#memory_int-unknown[x][x] == 0) && !(0 == cond)) && (forall v_ULTIMATE.start_main_~i~1_82 : int :: (0 == unknown-#memory_int-unknown[x][v_ULTIMATE.start_main_~i~1_82 * 4 + x] || n <= v_ULTIMATE.start_main_~i~1_82) || v_ULTIMATE.start_main_~i~1_82 < i + 1)) && 1 == cond) && (forall v_ULTIMATE.start_main_~i~1_82 : int :: (0 == unknown-#memory_int-unknown[x][v_ULTIMATE.start_main_~i~1_82 * 4 + x] || i < v_ULTIMATE.start_main_~i~1_82 + 1) || v_ULTIMATE.start_main_~i~1_82 < 4)) && 0 == unknown-#memory_int-unknown[x][x + 16]) && 0 == unknown-#memory_int-unknown[x][x + 4]) && 0 == unknown-#memory_int-unknown[x][x + i * 4]) && unknown-#memory_int-unknown[x][x + 8] == 0)) || ((((((n <= 3 && unknown-#memory_int-unknown[x][x] == 0) && !(0 == cond)) && 1 <= i) && i <= 3) && 0 == unknown-#memory_int-unknown[x][x + 4]) && unknown-#memory_int-unknown[x][x + 8] == 0)) || ((((((n <= 2 && i <= 2) && unknown-#memory_int-unknown[x][x] == 0) && i == 0) && !(0 == cond)) && 1 == cond) && 0 == unknown-#memory_int-unknown[x][x + 4])) || ((((unknown-#memory_int-unknown[x][x] == 0 && i == 0) && !(0 == cond)) && i <= 1) && n <= 1)) || ((((((((unknown-#memory_int-unknown[x][x + 12] == 0 && unknown-#memory_int-unknown[x][x] == 0) && !(0 == cond)) && (forall v_ULTIMATE.start_main_~i~1_82 : int :: (0 == unknown-#memory_int-unknown[x][v_ULTIMATE.start_main_~i~1_82 * 4 + x] || n <= v_ULTIMATE.start_main_~i~1_82) || v_ULTIMATE.start_main_~i~1_82 < i + 1)) && 0 == unknown-#memory_int-unknown[x][x + i * 4 + 4]) && (forall v_ULTIMATE.start_main_~i~1_82 : int :: (0 == unknown-#memory_int-unknown[x][v_ULTIMATE.start_main_~i~1_82 * 4 + x] || i < v_ULTIMATE.start_main_~i~1_82 + 1) || v_ULTIMATE.start_main_~i~1_82 < 4)) && 0 == unknown-#memory_int-unknown[x][x + 16]) && 0 == unknown-#memory_int-unknown[x][x + 4]) && unknown-#memory_int-unknown[x][x + 8] == 0)) || (((((((n <= 3 && unknown-#memory_int-unknown[x][x] == 0) && i == 0) && !(0 == cond)) && i <= 3) && 1 == cond) && 0 == unknown-#memory_int-unknown[x][x + 4]) && unknown-#memory_int-unknown[x][x + 8] == 0) - InvariantResult [Line: 17]: Loop Invariant [2019-11-26 02:54:17,247 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,247 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,248 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,248 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,248 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,249 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,249 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,249 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,249 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,250 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,250 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,250 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,251 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,251 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,251 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,252 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,253 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,253 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,253 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,253 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,254 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,254 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,254 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,254 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,255 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,255 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,255 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,255 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,256 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,256 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,256 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,257 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,257 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,257 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,257 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,258 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,258 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,258 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,258 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,259 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,259 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,259 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,259 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,260 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,260 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,260 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,260 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,260 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,261 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,261 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,261 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,261 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,262 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,262 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,262 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,262 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,263 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,263 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,263 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,263 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,263 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,264 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,264 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,264 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,264 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,264 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,265 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,265 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,265 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,265 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,265 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,267 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,267 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,267 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,267 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,268 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,268 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,268 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,269 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,269 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,269 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,269 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,270 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,270 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,270 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,270 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~i~1_82,QUANTIFIED] [2019-11-26 02:54:17,271 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,272 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,272 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,272 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,273 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,273 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,273 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,273 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,274 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,274 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,274 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,275 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,275 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,275 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,275 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,276 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,276 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,276 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,276 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,277 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,277 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,277 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,277 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,278 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,278 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,278 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,278 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,279 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,279 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,279 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,279 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,280 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,280 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,280 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,280 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,281 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,281 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,281 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,281 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,282 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,282 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,282 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,282 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,282 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,283 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,283 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,283 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,283 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,283 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,284 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,284 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,284 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,284 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,284 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,285 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:54:17,285 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((((((((((((((((((((unknown-#memory_int-unknown[x][x + 12] == 0 && 4 <= i) && unknown-#memory_int-unknown[x][x] == 0) && !(0 == cond)) && n <= 4) && 0 == unknown-#memory_int-unknown[x][x + 4]) && unknown-#memory_int-unknown[x][x + 8] == 0) && i <= 4) || ((((((n <= 2 && i <= 2) && unknown-#memory_int-unknown[x][x] == 0) && !(0 == cond)) && 1 <= i) && 1 == cond) && 0 == unknown-#memory_int-unknown[x][x + 4])) || (((((n <= 2 && i <= 2) && unknown-#memory_int-unknown[x][x] == 0) && !(0 == cond)) && 2 <= i) && 0 == unknown-#memory_int-unknown[x][x + 4])) || (((((((n <= 3 && unknown-#memory_int-unknown[x][x] == 0) && !(0 == cond)) && 1 <= i) && i <= 3) && 1 == cond) && 0 == unknown-#memory_int-unknown[x][x + 4]) && unknown-#memory_int-unknown[x][x + 8] == 0)) || ((((((((unknown-#memory_int-unknown[x][x + 12] == 0 && unknown-#memory_int-unknown[x][x] == 0) && n <= i) && !(0 == cond)) && 1 == cond) && (forall v_ULTIMATE.start_main_~i~1_82 : int :: (0 == unknown-#memory_int-unknown[x][v_ULTIMATE.start_main_~i~1_82 * 4 + x] || i < v_ULTIMATE.start_main_~i~1_82 + 1) || v_ULTIMATE.start_main_~i~1_82 < 4)) && 0 == unknown-#memory_int-unknown[x][x + 16]) && 0 == unknown-#memory_int-unknown[x][x + 4]) && unknown-#memory_int-unknown[x][x + 8] == 0)) || ((((((((unknown-#memory_int-unknown[x][x + 12] == 0 && unknown-#memory_int-unknown[x][x] == 0) && !(0 == cond)) && (forall v_ULTIMATE.start_main_~i~1_82 : int :: (0 == unknown-#memory_int-unknown[x][v_ULTIMATE.start_main_~i~1_82 * 4 + x] || n <= v_ULTIMATE.start_main_~i~1_82) || v_ULTIMATE.start_main_~i~1_82 < i + 1)) && (forall v_ULTIMATE.start_main_~i~1_82 : int :: (0 == unknown-#memory_int-unknown[x][v_ULTIMATE.start_main_~i~1_82 * 4 + x] || i < v_ULTIMATE.start_main_~i~1_82 + 1) || v_ULTIMATE.start_main_~i~1_82 < 4)) && 0 == unknown-#memory_int-unknown[x][x + 16]) && 0 == unknown-#memory_int-unknown[x][x + 4]) && 0 == unknown-#memory_int-unknown[x][x + i * 4]) && unknown-#memory_int-unknown[x][x + 8] == 0)) || ((i == 0 && n <= 0) && i == 0)) || ((((unknown-#memory_int-unknown[x][x] == 0 && !(0 == cond)) && 1 <= i) && i <= 1) && n <= 1)) || (((((((unknown-#memory_int-unknown[x][x + 12] == 0 && unknown-#memory_int-unknown[x][x] == 0) && !(0 == cond)) && n <= 4) && i == 3) && 0 == unknown-#memory_int-unknown[x][x + 4]) && unknown-#memory_int-unknown[x][x + 8] == 0) && i <= 4)) || ((((((((unknown-#memory_int-unknown[x][x + 12] == 0 && unknown-#memory_int-unknown[x][x] == 0) && !(0 == cond)) && 1 <= i) && 1 == cond) && n <= 4) && 0 == unknown-#memory_int-unknown[x][x + 4]) && i <= 4) && unknown-#memory_int-unknown[x][x + 8] == 0)) || ((((((unknown-#memory_int-unknown[x][x + 12] == 0 && (forall v_ULTIMATE.start_main_~i~1_82 : int :: (0 == unknown-#memory_int-unknown[x][v_ULTIMATE.start_main_~i~1_82 * 4 + x] || n <= v_ULTIMATE.start_main_~i~1_82) || v_ULTIMATE.start_main_~i~1_82 < i + 4)) && unknown-#memory_int-unknown[x][x] == 0) && i == 0) && (forall v_ULTIMATE.start_main_~i~1_82 : int :: (0 == unknown-#memory_int-unknown[x][v_ULTIMATE.start_main_~i~1_82 * 4 + x] || i < v_ULTIMATE.start_main_~i~1_82 + 1) || v_ULTIMATE.start_main_~i~1_82 < 4)) && 0 == unknown-#memory_int-unknown[x][x + 4]) && unknown-#memory_int-unknown[x][x + 8] == 0)) || (((unknown-#memory_int-unknown[x][x] == 0 && i == 0) && i <= 1) && n <= 1)) || ((((n <= 2 && i <= 2) && unknown-#memory_int-unknown[x][x] == 0) && i == 0) && 0 == unknown-#memory_int-unknown[x][x + 4])) || ((((((n <= 3 && unknown-#memory_int-unknown[x][x] == 0) && !(0 == cond)) && i <= 3) && 3 <= i) && 0 == unknown-#memory_int-unknown[x][x + 4]) && unknown-#memory_int-unknown[x][x + 8] == 0)) || (((((((unknown-#memory_int-unknown[x][x + 12] == 0 && unknown-#memory_int-unknown[x][x] == 0) && !(0 == cond)) && n <= 4) && 0 == unknown-#memory_int-unknown[x][x + 4]) && i == 2) && i <= 4) && unknown-#memory_int-unknown[x][x + 8] == 0)) || ((((((n <= 3 && unknown-#memory_int-unknown[x][x] == 0) && !(0 == cond)) && i <= 3) && 0 == unknown-#memory_int-unknown[x][x + 4]) && i == 2) && unknown-#memory_int-unknown[x][x + 8] == 0)) || (((((n <= 3 && unknown-#memory_int-unknown[x][x] == 0) && i == 0) && i <= 3) && 0 == unknown-#memory_int-unknown[x][x + 4]) && unknown-#memory_int-unknown[x][x + 8] == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Result: SAFE, OverallTime: 20.2s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 6.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.6s, HoareTripleCheckerStatistics: 66 SDtfs, 122 SDslu, 293 SDs, 0 SdLazy, 997 SolverSat, 171 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 557 GetRequests, 269 SyntacticMatches, 38 SemanticMatches, 250 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1868 ImplicationChecksByTransitivity, 10.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 18 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 59 NumberOfFragments, 1399 HoareAnnotationTreeSize, 4 FomulaSimplifications, 3293 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 4 FomulaSimplificationsInter, 10588 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 284 NumberOfCodeBlocks, 284 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 395 ConstructedInterpolants, 27 QuantifiedInterpolants, 48487 SizeOfPredicates, 72 NumberOfNonLiveVariables, 651 ConjunctsInSsa, 139 ConjunctsInUnsatCore, 28 InterpolantComputations, 1 PerfectInterpolantSequences, 168/465 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...