./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label42_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d6c805b2-d714-45dd-a959-bc8cca921b12/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d6c805b2-d714-45dd-a959-bc8cca921b12/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d6c805b2-d714-45dd-a959-bc8cca921b12/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d6c805b2-d714-45dd-a959-bc8cca921b12/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label42_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d6c805b2-d714-45dd-a959-bc8cca921b12/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d6c805b2-d714-45dd-a959-bc8cca921b12/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a8726e54e507f4e5407a6f1ab8a73f56b359228a ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 09:40:21,284 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:40:21,285 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:40:21,293 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:40:21,293 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:40:21,294 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:40:21,295 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:40:21,296 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:40:21,297 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:40:21,298 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:40:21,299 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:40:21,299 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:40:21,300 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:40:21,300 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:40:21,301 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:40:21,302 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:40:21,302 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:40:21,304 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:40:21,305 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:40:21,307 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:40:21,307 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:40:21,308 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:40:21,310 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:40:21,310 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:40:21,310 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:40:21,311 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:40:21,312 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:40:21,313 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:40:21,313 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:40:21,314 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:40:21,314 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:40:21,315 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:40:21,315 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:40:21,315 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:40:21,316 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:40:21,316 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:40:21,316 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d6c805b2-d714-45dd-a959-bc8cca921b12/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 09:40:21,327 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:40:21,327 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:40:21,328 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:40:21,328 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 09:40:21,328 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 09:40:21,328 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 09:40:21,329 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 09:40:21,329 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 09:40:21,329 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 09:40:21,329 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 09:40:21,329 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 09:40:21,329 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 09:40:21,329 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 09:40:21,330 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:40:21,330 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:40:21,330 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:40:21,332 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:40:21,332 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:40:21,332 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:40:21,332 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:40:21,332 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:40:21,332 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:40:21,332 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:40:21,333 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:40:21,333 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:40:21,333 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:40:21,333 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:40:21,333 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:40:21,333 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 09:40:21,333 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:40:21,334 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:40:21,334 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:40:21,334 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:40:21,334 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 09:40:21,334 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:40:21,334 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 09:40:21,334 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 09:40:21,335 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_d6c805b2-d714-45dd-a959-bc8cca921b12/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8726e54e507f4e5407a6f1ab8a73f56b359228a [2018-11-18 09:40:21,357 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:40:21,366 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:40:21,368 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:40:21,370 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:40:21,370 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:40:21,371 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d6c805b2-d714-45dd-a959-bc8cca921b12/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label42_true-unreach-call_false-termination.c [2018-11-18 09:40:21,415 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d6c805b2-d714-45dd-a959-bc8cca921b12/bin-2019/utaipan/data/267251b3c/a9d571a58e5f49afa09f82eaa9a45e92/FLAG4aaf6de74 [2018-11-18 09:40:21,858 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:40:21,859 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d6c805b2-d714-45dd-a959-bc8cca921b12/sv-benchmarks/c/eca-rers2012/Problem02_label42_true-unreach-call_false-termination.c [2018-11-18 09:40:21,868 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d6c805b2-d714-45dd-a959-bc8cca921b12/bin-2019/utaipan/data/267251b3c/a9d571a58e5f49afa09f82eaa9a45e92/FLAG4aaf6de74 [2018-11-18 09:40:21,881 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d6c805b2-d714-45dd-a959-bc8cca921b12/bin-2019/utaipan/data/267251b3c/a9d571a58e5f49afa09f82eaa9a45e92 [2018-11-18 09:40:21,884 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:40:21,885 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:40:21,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:40:21,885 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:40:21,888 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:40:21,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:40:21" (1/1) ... [2018-11-18 09:40:21,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@411459c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:21, skipping insertion in model container [2018-11-18 09:40:21,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:40:21" (1/1) ... [2018-11-18 09:40:21,895 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:40:21,927 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:40:22,147 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:40:22,151 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:40:22,219 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:40:22,231 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:40:22,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:22 WrapperNode [2018-11-18 09:40:22,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:40:22,232 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:40:22,232 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:40:22,232 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:40:22,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:22" (1/1) ... [2018-11-18 09:40:22,298 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:22" (1/1) ... [2018-11-18 09:40:22,304 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:40:22,304 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:40:22,304 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:40:22,305 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:40:22,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:22" (1/1) ... [2018-11-18 09:40:22,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:22" (1/1) ... [2018-11-18 09:40:22,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:22" (1/1) ... [2018-11-18 09:40:22,316 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:22" (1/1) ... [2018-11-18 09:40:22,338 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:22" (1/1) ... [2018-11-18 09:40:22,348 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:22" (1/1) ... [2018-11-18 09:40:22,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:22" (1/1) ... [2018-11-18 09:40:22,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:40:22,358 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:40:22,358 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:40:22,358 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:40:22,359 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d6c805b2-d714-45dd-a959-bc8cca921b12/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:40:22,408 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 09:40:22,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 09:40:22,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 09:40:22,409 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 09:40:22,409 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 09:40:22,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:40:22,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:40:22,409 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 09:40:22,409 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 09:40:23,295 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:40:23,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:40:23 BoogieIcfgContainer [2018-11-18 09:40:23,296 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:40:23,296 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 09:40:23,296 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 09:40:23,299 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 09:40:23,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:40:21" (1/3) ... [2018-11-18 09:40:23,299 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36b00409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:40:23, skipping insertion in model container [2018-11-18 09:40:23,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:40:22" (2/3) ... [2018-11-18 09:40:23,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36b00409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:40:23, skipping insertion in model container [2018-11-18 09:40:23,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:40:23" (3/3) ... [2018-11-18 09:40:23,301 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label42_true-unreach-call_false-termination.c [2018-11-18 09:40:23,309 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 09:40:23,316 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 09:40:23,328 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 09:40:23,356 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 09:40:23,356 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 09:40:23,357 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 09:40:23,357 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:40:23,357 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:40:23,357 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 09:40:23,357 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:40:23,357 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 09:40:23,375 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-18 09:40:23,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-18 09:40:23,383 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:40:23,384 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:40:23,386 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:40:23,390 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:40:23,391 INFO L82 PathProgramCache]: Analyzing trace with hash -1675819633, now seen corresponding path program 1 times [2018-11-18 09:40:23,393 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:40:23,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:40:23,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:40:23,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:40:23,435 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:40:23,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:40:23,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:40:23,677 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:40:23,677 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 09:40:23,677 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:40:23,682 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:40:23,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:40:23,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:40:23,696 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-11-18 09:40:24,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:40:24,243 INFO L93 Difference]: Finished difference Result 621 states and 1059 transitions. [2018-11-18 09:40:24,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:40:24,245 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2018-11-18 09:40:24,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:40:24,256 INFO L225 Difference]: With dead ends: 621 [2018-11-18 09:40:24,256 INFO L226 Difference]: Without dead ends: 382 [2018-11-18 09:40:24,261 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:40:24,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2018-11-18 09:40:24,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2018-11-18 09:40:24,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2018-11-18 09:40:24,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 608 transitions. [2018-11-18 09:40:24,310 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 608 transitions. Word has length 107 [2018-11-18 09:40:24,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:40:24,310 INFO L480 AbstractCegarLoop]: Abstraction has 382 states and 608 transitions. [2018-11-18 09:40:24,311 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:40:24,311 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 608 transitions. [2018-11-18 09:40:24,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-18 09:40:24,315 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:40:24,315 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:40:24,318 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:40:24,318 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:40:24,318 INFO L82 PathProgramCache]: Analyzing trace with hash 1274103906, now seen corresponding path program 1 times [2018-11-18 09:40:24,318 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:40:24,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:40:24,319 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:40:24,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:40:24,320 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:40:24,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:40:24,421 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:40:24,421 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:40:24,421 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 09:40:24,421 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:40:24,423 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:40:24,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:40:24,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:40:24,423 INFO L87 Difference]: Start difference. First operand 382 states and 608 transitions. Second operand 3 states. [2018-11-18 09:40:24,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:40:24,841 INFO L93 Difference]: Finished difference Result 1057 states and 1749 transitions. [2018-11-18 09:40:24,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:40:24,843 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2018-11-18 09:40:24,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:40:24,848 INFO L225 Difference]: With dead ends: 1057 [2018-11-18 09:40:24,848 INFO L226 Difference]: Without dead ends: 681 [2018-11-18 09:40:24,852 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:40:24,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2018-11-18 09:40:24,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 676. [2018-11-18 09:40:24,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 676 states. [2018-11-18 09:40:24,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 1044 transitions. [2018-11-18 09:40:24,877 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 1044 transitions. Word has length 116 [2018-11-18 09:40:24,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:40:24,878 INFO L480 AbstractCegarLoop]: Abstraction has 676 states and 1044 transitions. [2018-11-18 09:40:24,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:40:24,878 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 1044 transitions. [2018-11-18 09:40:24,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-18 09:40:24,881 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:40:24,881 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:40:24,881 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:40:24,882 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:40:24,882 INFO L82 PathProgramCache]: Analyzing trace with hash 63225070, now seen corresponding path program 1 times [2018-11-18 09:40:24,882 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:40:24,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:40:24,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:40:24,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:40:24,883 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:40:24,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:40:25,121 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:40:25,121 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:40:25,121 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 09:40:25,122 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:40:25,122 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 09:40:25,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 09:40:25,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 09:40:25,123 INFO L87 Difference]: Start difference. First operand 676 states and 1044 transitions. Second operand 5 states. [2018-11-18 09:40:25,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:40:25,574 INFO L93 Difference]: Finished difference Result 1491 states and 2375 transitions. [2018-11-18 09:40:25,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 09:40:25,575 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 122 [2018-11-18 09:40:25,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:40:25,577 INFO L225 Difference]: With dead ends: 1491 [2018-11-18 09:40:25,577 INFO L226 Difference]: Without dead ends: 675 [2018-11-18 09:40:25,579 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 09:40:25,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2018-11-18 09:40:25,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 675. [2018-11-18 09:40:25,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 675 states. [2018-11-18 09:40:25,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 1032 transitions. [2018-11-18 09:40:25,595 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 1032 transitions. Word has length 122 [2018-11-18 09:40:25,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:40:25,596 INFO L480 AbstractCegarLoop]: Abstraction has 675 states and 1032 transitions. [2018-11-18 09:40:25,596 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 09:40:25,596 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 1032 transitions. [2018-11-18 09:40:25,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-18 09:40:25,598 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:40:25,598 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:40:25,598 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:40:25,598 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:40:25,598 INFO L82 PathProgramCache]: Analyzing trace with hash 1081888773, now seen corresponding path program 1 times [2018-11-18 09:40:25,598 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:40:25,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:40:25,599 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:40:25,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:40:25,599 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:40:25,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:40:25,684 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:40:25,684 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:40:25,684 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 09:40:25,684 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:40:25,685 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 09:40:25,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:40:25,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:40:25,685 INFO L87 Difference]: Start difference. First operand 675 states and 1032 transitions. Second operand 6 states. [2018-11-18 09:40:26,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:40:26,401 INFO L93 Difference]: Finished difference Result 1489 states and 2269 transitions. [2018-11-18 09:40:26,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 09:40:26,402 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 130 [2018-11-18 09:40:26,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:40:26,406 INFO L225 Difference]: With dead ends: 1489 [2018-11-18 09:40:26,406 INFO L226 Difference]: Without dead ends: 820 [2018-11-18 09:40:26,408 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 09:40:26,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 820 states. [2018-11-18 09:40:26,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 820 to 810. [2018-11-18 09:40:26,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 810 states. [2018-11-18 09:40:26,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 810 states and 1137 transitions. [2018-11-18 09:40:26,430 INFO L78 Accepts]: Start accepts. Automaton has 810 states and 1137 transitions. Word has length 130 [2018-11-18 09:40:26,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:40:26,430 INFO L480 AbstractCegarLoop]: Abstraction has 810 states and 1137 transitions. [2018-11-18 09:40:26,430 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 09:40:26,430 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1137 transitions. [2018-11-18 09:40:26,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-18 09:40:26,432 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:40:26,433 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:40:26,433 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:40:26,433 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:40:26,433 INFO L82 PathProgramCache]: Analyzing trace with hash 507940818, now seen corresponding path program 1 times [2018-11-18 09:40:26,433 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:40:26,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:40:26,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:40:26,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:40:26,434 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:40:26,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:40:26,504 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:40:26,504 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:40:26,504 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:40:26,505 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 140 with the following transitions: [2018-11-18 09:40:26,507 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [527], [529], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 09:40:26,538 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:40:26,538 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:40:26,842 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 09:40:26,843 INFO L272 AbstractInterpreter]: Visited 108 different actions 108 times. Never merged. Never widened. Performed 1216 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1216 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-11-18 09:40:26,859 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:40:26,859 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 09:40:27,135 INFO L227 lantSequenceWeakener]: Weakened 130 states. On average, predicates are now at 80.78% of their original sizes. [2018-11-18 09:40:27,135 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 09:40:27,165 INFO L415 sIntCurrentIteration]: We unified 138 AI predicates to 138 [2018-11-18 09:40:27,166 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 09:40:27,167 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 09:40:27,167 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-18 09:40:27,168 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:40:27,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 09:40:27,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:40:27,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:40:27,168 INFO L87 Difference]: Start difference. First operand 810 states and 1137 transitions. Second operand 6 states. [2018-11-18 09:40:29,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:40:29,423 INFO L93 Difference]: Finished difference Result 1764 states and 2478 transitions. [2018-11-18 09:40:29,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 09:40:29,423 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 139 [2018-11-18 09:40:29,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:40:29,426 INFO L225 Difference]: With dead ends: 1764 [2018-11-18 09:40:29,426 INFO L226 Difference]: Without dead ends: 960 [2018-11-18 09:40:29,427 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 139 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:40:29,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2018-11-18 09:40:29,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 957. [2018-11-18 09:40:29,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 957 states. [2018-11-18 09:40:29,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 957 states and 1292 transitions. [2018-11-18 09:40:29,443 INFO L78 Accepts]: Start accepts. Automaton has 957 states and 1292 transitions. Word has length 139 [2018-11-18 09:40:29,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:40:29,443 INFO L480 AbstractCegarLoop]: Abstraction has 957 states and 1292 transitions. [2018-11-18 09:40:29,443 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 09:40:29,443 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1292 transitions. [2018-11-18 09:40:29,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 09:40:29,445 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:40:29,445 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:40:29,446 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:40:29,446 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:40:29,446 INFO L82 PathProgramCache]: Analyzing trace with hash 1244996254, now seen corresponding path program 1 times [2018-11-18 09:40:29,446 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:40:29,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:40:29,447 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:40:29,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:40:29,447 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:40:29,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:40:29,648 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 26 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:40:29,648 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:40:29,648 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:40:29,648 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 145 with the following transitions: [2018-11-18 09:40:29,648 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [527], [529], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 09:40:29,651 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:40:29,651 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:40:30,001 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 09:40:30,002 INFO L272 AbstractInterpreter]: Visited 112 different actions 327 times. Merged at 7 different actions 15 times. Never widened. Performed 3963 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3963 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-18 09:40:30,015 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:40:30,016 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 09:40:30,016 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:40:30,016 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d6c805b2-d714-45dd-a959-bc8cca921b12/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:40:30,031 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:40:30,031 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 09:40:30,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:40:30,098 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:40:30,151 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 09:40:30,152 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 09:40:30,200 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 09:40:30,216 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 09:40:30,216 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2018-11-18 09:40:30,216 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:40:30,216 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:40:30,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:40:30,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-18 09:40:30,217 INFO L87 Difference]: Start difference. First operand 957 states and 1292 transitions. Second operand 3 states. [2018-11-18 09:40:30,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:40:30,574 INFO L93 Difference]: Finished difference Result 2610 states and 3633 transitions. [2018-11-18 09:40:30,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:40:30,575 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 144 [2018-11-18 09:40:30,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:40:30,578 INFO L225 Difference]: With dead ends: 2610 [2018-11-18 09:40:30,578 INFO L226 Difference]: Without dead ends: 909 [2018-11-18 09:40:30,580 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 288 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-18 09:40:30,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2018-11-18 09:40:30,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 909. [2018-11-18 09:40:30,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 909 states. [2018-11-18 09:40:30,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 909 states and 1117 transitions. [2018-11-18 09:40:30,595 INFO L78 Accepts]: Start accepts. Automaton has 909 states and 1117 transitions. Word has length 144 [2018-11-18 09:40:30,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:40:30,595 INFO L480 AbstractCegarLoop]: Abstraction has 909 states and 1117 transitions. [2018-11-18 09:40:30,595 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:40:30,595 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1117 transitions. [2018-11-18 09:40:30,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 09:40:30,597 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:40:30,597 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:40:30,598 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:40:30,598 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:40:30,598 INFO L82 PathProgramCache]: Analyzing trace with hash 534975569, now seen corresponding path program 1 times [2018-11-18 09:40:30,598 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:40:30,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:40:30,599 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:40:30,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:40:30,599 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:40:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:40:30,694 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 46 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 09:40:30,694 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:40:30,694 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:40:30,695 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 157 with the following transitions: [2018-11-18 09:40:30,695 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [103], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [527], [529], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 09:40:30,697 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:40:30,698 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:40:30,873 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 09:40:30,874 INFO L272 AbstractInterpreter]: Visited 113 different actions 333 times. Merged at 7 different actions 18 times. Never widened. Performed 3818 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3818 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 09:40:30,886 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:40:30,887 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 09:40:30,887 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:40:30,887 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d6c805b2-d714-45dd-a959-bc8cca921b12/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:40:30,940 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:40:30,940 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 09:40:30,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:40:30,986 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:40:31,020 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 60 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 09:40:31,020 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 09:40:31,068 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 60 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 09:40:31,084 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 09:40:31,084 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 12 [2018-11-18 09:40:31,084 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 09:40:31,085 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 09:40:31,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 09:40:31,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2018-11-18 09:40:31,085 INFO L87 Difference]: Start difference. First operand 909 states and 1117 transitions. Second operand 11 states. [2018-11-18 09:40:32,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:40:32,059 INFO L93 Difference]: Finished difference Result 2256 states and 2860 transitions. [2018-11-18 09:40:32,059 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 09:40:32,059 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 156 [2018-11-18 09:40:32,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:40:32,060 INFO L225 Difference]: With dead ends: 2256 [2018-11-18 09:40:32,060 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 09:40:32,063 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 319 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=162, Invalid=390, Unknown=0, NotChecked=0, Total=552 [2018-11-18 09:40:32,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 09:40:32,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 09:40:32,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 09:40:32,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 09:40:32,064 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 156 [2018-11-18 09:40:32,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:40:32,064 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 09:40:32,064 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 09:40:32,064 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 09:40:32,064 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 09:40:32,068 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 09:40:32,097 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:40:32,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:40:32,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:40:32,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:40:32,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:40:32,395 WARN L180 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 61 [2018-11-18 09:40:32,489 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:40:32,489 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a17~0)| ~a17~0) (= |old(~a25~0)| ~a25~0) (= ~a28~0 |old(~a28~0)|)) [2018-11-18 09:40:32,490 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:40:32,490 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,490 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,490 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,490 INFO L425 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,490 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,490 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-18 09:40:32,490 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-18 09:40:32,490 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-18 09:40:32,490 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-18 09:40:32,490 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-18 09:40:32,490 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-18 09:40:32,490 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-18 09:40:32,490 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-18 09:40:32,491 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-18 09:40:32,491 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-18 09:40:32,491 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-18 09:40:32,491 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-18 09:40:32,491 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-18 09:40:32,491 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,491 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,491 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,491 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,491 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-18 09:40:32,491 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,491 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-18 09:40:32,491 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-18 09:40:32,491 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-18 09:40:32,492 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-18 09:40:32,492 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-18 09:40:32,492 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-18 09:40:32,492 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-18 09:40:32,492 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-18 09:40:32,492 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-18 09:40:32,492 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-18 09:40:32,492 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-18 09:40:32,492 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-18 09:40:32,492 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-18 09:40:32,492 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-18 09:40:32,492 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-18 09:40:32,492 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,492 INFO L425 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,492 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,492 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,493 INFO L425 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,493 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-18 09:40:32,493 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-18 09:40:32,493 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-18 09:40:32,493 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-18 09:40:32,493 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-18 09:40:32,493 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-18 09:40:32,493 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-18 09:40:32,493 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-18 09:40:32,493 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-18 09:40:32,493 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-18 09:40:32,493 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-18 09:40:32,493 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,493 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,493 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,494 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,494 INFO L425 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,494 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-18 09:40:32,494 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-18 09:40:32,494 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-18 09:40:32,494 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-18 09:40:32,494 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-18 09:40:32,494 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-18 09:40:32,494 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-18 09:40:32,494 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-18 09:40:32,494 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-18 09:40:32,494 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 472) no Hoare annotation was computed. [2018-11-18 09:40:32,494 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-18 09:40:32,495 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-18 09:40:32,495 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-18 09:40:32,495 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-18 09:40:32,495 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,495 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,495 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,495 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,495 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,495 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-18 09:40:32,495 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-18 09:40:32,495 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-18 09:40:32,495 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-18 09:40:32,495 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-18 09:40:32,495 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-18 09:40:32,495 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-18 09:40:32,496 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-18 09:40:32,496 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-18 09:40:32,496 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-18 09:40:32,496 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-18 09:40:32,496 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-18 09:40:32,496 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-18 09:40:32,496 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-18 09:40:32,496 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-18 09:40:32,496 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-18 09:40:32,496 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,496 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,496 INFO L425 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,496 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,496 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-18 09:40:32,496 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,496 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-18 09:40:32,497 INFO L425 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,497 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-18 09:40:32,497 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-18 09:40:32,497 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-18 09:40:32,497 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,497 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,497 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-18 09:40:32,497 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-18 09:40:32,497 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-18 09:40:32,497 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-18 09:40:32,497 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-18 09:40:32,497 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-18 09:40:32,497 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-18 09:40:32,497 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-18 09:40:32,498 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-18 09:40:32,498 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-18 09:40:32,498 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-18 09:40:32,498 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,498 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,498 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,498 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,498 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,498 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,498 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-18 09:40:32,498 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-18 09:40:32,498 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-18 09:40:32,498 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-18 09:40:32,498 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-18 09:40:32,498 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-18 09:40:32,499 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-18 09:40:32,499 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-18 09:40:32,499 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-18 09:40:32,499 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-18 09:40:32,499 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-18 09:40:32,499 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,499 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,499 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,499 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,499 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,499 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,499 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-18 09:40:32,499 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-18 09:40:32,499 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-18 09:40:32,500 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-18 09:40:32,500 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-18 09:40:32,500 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-18 09:40:32,500 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-18 09:40:32,500 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-18 09:40:32,500 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-18 09:40:32,500 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-18 09:40:32,500 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-18 09:40:32,500 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-18 09:40:32,500 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-18 09:40:32,500 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-18 09:40:32,500 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,500 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,500 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,501 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse5 (= |old(~a17~0)| ~a17~0)) (.cse6 (= |old(~a25~0)| ~a25~0)) (.cse7 (= ~a28~0 |old(~a28~0)|))) (let ((.cse9 (= 1 |old(~a19~0)|)) (.cse8 (not (= 7 |old(~a28~0)|))) (.cse10 (not (= 8 |old(~a17~0)|))) (.cse4 (= 1 |old(~a11~0)|)) (.cse1 (= 1 |old(~a25~0)|)) (.cse0 (not (= 1 ~a21~0))) (.cse2 (and .cse5 .cse6 .cse7)) (.cse3 (< 8 |old(~a17~0)|))) (and (or .cse0 (not .cse1) .cse2 .cse3) (or .cse0 .cse4 (and .cse5 .cse6 .cse7 (not (= ~a11~0 1))) .cse3) (or (and (= ~a11~0 0) (= ~a19~0 1)) .cse0 .cse8 (not .cse9) (not (= 0 |old(~a11~0)|)) .cse10 (= |calculate_output_#in~input| 0) (not (= 0 |old(~a25~0)|))) (or .cse9 .cse0 .cse8 .cse10 (and (= 1 ~a11~0) (not (= 1 ~a19~0))) (not .cse4) .cse1) (or .cse0 (< 7 |old(~a17~0)|) (and (<= ~a17~0 7) .cse6)) (or .cse0 .cse2 (= 8 |old(~a28~0)|) .cse3)))) [2018-11-18 09:40:32,501 INFO L425 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,501 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,501 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,501 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-18 09:40:32,501 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-18 09:40:32,501 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-18 09:40:32,501 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-18 09:40:32,501 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-18 09:40:32,501 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-18 09:40:32,501 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-18 09:40:32,502 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-18 09:40:32,502 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-18 09:40:32,502 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-18 09:40:32,502 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-18 09:40:32,502 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-18 09:40:32,502 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-18 09:40:32,502 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,502 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,502 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,502 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,502 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,502 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,502 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-18 09:40:32,502 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-18 09:40:32,503 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-18 09:40:32,503 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-18 09:40:32,503 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-18 09:40:32,503 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-18 09:40:32,503 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-18 09:40:32,503 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-18 09:40:32,503 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-18 09:40:32,503 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-18 09:40:32,503 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-18 09:40:32,503 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-18 09:40:32,503 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-18 09:40:32,503 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-18 09:40:32,503 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-18 09:40:32,503 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-18 09:40:32,504 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,504 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,504 INFO L425 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,504 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,504 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 09:40:32,504 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-18 09:40:32,504 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-18 09:40:32,504 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-18 09:40:32,504 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-18 09:40:32,504 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-18 09:40:32,504 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-18 09:40:32,504 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-18 09:40:32,504 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-18 09:40:32,504 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-18 09:40:32,504 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-18 09:40:32,505 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-18 09:40:32,505 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-18 09:40:32,505 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-18 09:40:32,505 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-18 09:40:32,505 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-18 09:40:32,505 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-18 09:40:32,505 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-18 09:40:32,505 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-18 09:40:32,505 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-18 09:40:32,505 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:40:32,505 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-11-18 09:40:32,505 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 09:40:32,505 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:40:32,506 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 |old(~a28~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-11-18 09:40:32,506 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-18 09:40:32,506 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (<= ~a17~0 7) (not (= 0 |old(~a11~0)|)) (and (not (= ~a11~0 1)) .cse0) (and (= 1 ~a25~0) .cse0) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (and (not (= ~a28~0 8)) .cse0) (not (= 0 |old(~a25~0)|)))) [2018-11-18 09:40:32,506 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-18 09:40:32,506 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-18 09:40:32,506 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 8))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (<= ~a17~0 7) (not (= 0 |old(~a11~0)|)) (and (not (= ~a11~0 1)) .cse0) (and (= 1 ~a25~0) .cse0) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (and (not (= ~a28~0 8)) .cse0) (not (= 0 |old(~a25~0)|)))) [2018-11-18 09:40:32,506 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-18 09:40:32,506 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-18 09:40:32,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:40:32 BoogieIcfgContainer [2018-11-18 09:40:32,515 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 09:40:32,515 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:40:32,515 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:40:32,515 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:40:32,515 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:40:23" (3/4) ... [2018-11-18 09:40:32,519 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 09:40:32,523 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 09:40:32,524 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 09:40:32,524 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 09:40:32,533 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 09:40:32,534 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 09:40:32,561 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(1 == a21) || !(7 == \old(a28))) || a17 <= 7) || !(0 == \old(a11))) || (!(a11 == 1) && a17 <= 8)) || (1 == a25 && a17 <= 8)) || !(1 == \old(a19))) || !(8 == \old(a17))) || (!(a28 == 8) && a17 <= 8)) || !(0 == \old(a25)) [2018-11-18 09:40:32,633 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d6c805b2-d714-45dd-a959-bc8cca921b12/bin-2019/utaipan/witness.graphml [2018-11-18 09:40:32,633 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:40:32,634 INFO L168 Benchmark]: Toolchain (without parser) took 10749.80 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 411.6 MB). Free memory was 951.1 MB in the beginning and 831.6 MB in the end (delta: 119.5 MB). Peak memory consumption was 531.0 MB. Max. memory is 11.5 GB. [2018-11-18 09:40:32,634 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:40:32,635 INFO L168 Benchmark]: CACSL2BoogieTranslator took 346.11 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 921.4 MB in the end (delta: 29.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:40:32,635 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 921.4 MB in the beginning and 1.1 GB in the end (delta: -201.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-11-18 09:40:32,636 INFO L168 Benchmark]: Boogie Preprocessor took 53.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:40:32,636 INFO L168 Benchmark]: RCFGBuilder took 937.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 104.0 MB). Peak memory consumption was 104.0 MB. Max. memory is 11.5 GB. [2018-11-18 09:40:32,636 INFO L168 Benchmark]: TraceAbstraction took 9218.47 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 281.0 MB). Free memory was 1.0 GB in the beginning and 842.6 MB in the end (delta: 173.3 MB). Peak memory consumption was 454.3 MB. Max. memory is 11.5 GB. [2018-11-18 09:40:32,636 INFO L168 Benchmark]: Witness Printer took 118.25 ms. Allocated memory is still 1.4 GB. Free memory was 842.6 MB in the beginning and 831.6 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. [2018-11-18 09:40:32,638 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 346.11 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 921.4 MB in the end (delta: 29.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 72.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 921.4 MB in the beginning and 1.1 GB in the end (delta: -201.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 937.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 104.0 MB). Peak memory consumption was 104.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9218.47 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 281.0 MB). Free memory was 1.0 GB in the beginning and 842.6 MB in the end (delta: 173.3 MB). Peak memory consumption was 454.3 MB. Max. memory is 11.5 GB. * Witness Printer took 118.25 ms. Allocated memory is still 1.4 GB. Free memory was 842.6 MB in the beginning and 831.6 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 472]: 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: 606]: Loop Invariant Derived loop invariant: ((((((((!(1 == a21) || !(7 == \old(a28))) || a17 <= 7) || !(0 == \old(a11))) || (!(a11 == 1) && a17 <= 8)) || (1 == a25 && a17 <= 8)) || !(1 == \old(a19))) || !(8 == \old(a17))) || (!(a28 == 8) && a17 <= 8)) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 9.1s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 5.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 1456 SDtfs, 3648 SDslu, 831 SDs, 0 SdLazy, 5117 SolverSat, 1106 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.4s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 807 GetRequests, 750 SyntacticMatches, 10 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=957occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.9s AbstIntTime, 3 AbstIntIterations, 1 AbstIntStrong, 0.9975381940215702 AbsIntWeakeningRatio, 0.2391304347826087 AbsIntAvgWeakeningVarsNumRemoved, 27.043478260869566 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 18 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 44 PreInvPairs, 70 NumberOfFragments, 327 HoareAnnotationTreeSize, 44 FomulaSimplifications, 527 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 658 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1214 NumberOfCodeBlocks, 1214 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1503 ConstructedInterpolants, 0 QuantifiedInterpolants, 667102 SizeOfPredicates, 2 NumberOfNonLiveVariables, 853 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 6 PerfectInterpolantSequences, 370/412 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...