./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label34_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8d2a8c4a-f815-452a-8c54-8bffb4fc210f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8d2a8c4a-f815-452a-8c54-8bffb4fc210f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8d2a8c4a-f815-452a-8c54-8bffb4fc210f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8d2a8c4a-f815-452a-8c54-8bffb4fc210f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label34_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8d2a8c4a-f815-452a-8c54-8bffb4fc210f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8d2a8c4a-f815-452a-8c54-8bffb4fc210f/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 fbcb07371208327a722ea46e4a68d92ffffb2dff ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 11:41:16,269 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 11:41:16,270 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 11:41:16,277 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 11:41:16,277 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 11:41:16,278 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 11:41:16,279 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 11:41:16,280 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 11:41:16,282 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 11:41:16,282 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 11:41:16,283 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 11:41:16,283 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 11:41:16,284 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 11:41:16,284 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 11:41:16,285 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 11:41:16,286 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 11:41:16,286 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 11:41:16,288 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 11:41:16,289 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 11:41:16,290 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 11:41:16,291 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 11:41:16,292 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 11:41:16,294 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 11:41:16,294 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 11:41:16,294 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 11:41:16,295 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 11:41:16,295 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 11:41:16,296 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 11:41:16,297 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 11:41:16,298 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 11:41:16,298 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 11:41:16,298 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 11:41:16,298 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 11:41:16,299 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 11:41:16,299 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 11:41:16,300 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 11:41:16,300 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8d2a8c4a-f815-452a-8c54-8bffb4fc210f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 11:41:16,310 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 11:41:16,311 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 11:41:16,311 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 11:41:16,312 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 11:41:16,312 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 11:41:16,312 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 11:41:16,312 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 11:41:16,312 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 11:41:16,312 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 11:41:16,312 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 11:41:16,313 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 11:41:16,313 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 11:41:16,313 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 11:41:16,313 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 11:41:16,314 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 11:41:16,314 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 11:41:16,314 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 11:41:16,314 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 11:41:16,314 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 11:41:16,314 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 11:41:16,314 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 11:41:16,315 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 11:41:16,315 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 11:41:16,315 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 11:41:16,315 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 11:41:16,315 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 11:41:16,315 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 11:41:16,316 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 11:41:16,316 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 11:41:16,316 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 11:41:16,316 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 11:41:16,316 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 11:41:16,316 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 11:41:16,316 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 11:41:16,317 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 11:41:16,317 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 11:41:16,317 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 11:41:16,317 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_8d2a8c4a-f815-452a-8c54-8bffb4fc210f/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 -> fbcb07371208327a722ea46e4a68d92ffffb2dff [2018-11-23 11:41:16,341 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 11:41:16,350 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 11:41:16,353 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 11:41:16,354 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 11:41:16,354 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 11:41:16,355 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8d2a8c4a-f815-452a-8c54-8bffb4fc210f/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem10_label34_true-unreach-call.c [2018-11-23 11:41:16,397 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8d2a8c4a-f815-452a-8c54-8bffb4fc210f/bin-2019/utaipan/data/6b1448c1f/5fe5d5cf525c4a3c9398fe20988cc51c/FLAGaf412e952 [2018-11-23 11:41:16,851 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 11:41:16,851 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8d2a8c4a-f815-452a-8c54-8bffb4fc210f/sv-benchmarks/c/eca-rers2012/Problem10_label34_true-unreach-call.c [2018-11-23 11:41:16,863 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8d2a8c4a-f815-452a-8c54-8bffb4fc210f/bin-2019/utaipan/data/6b1448c1f/5fe5d5cf525c4a3c9398fe20988cc51c/FLAGaf412e952 [2018-11-23 11:41:17,371 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8d2a8c4a-f815-452a-8c54-8bffb4fc210f/bin-2019/utaipan/data/6b1448c1f/5fe5d5cf525c4a3c9398fe20988cc51c [2018-11-23 11:41:17,373 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 11:41:17,374 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 11:41:17,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 11:41:17,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 11:41:17,377 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 11:41:17,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:41:17" (1/1) ... [2018-11-23 11:41:17,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dd21f3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:41:17, skipping insertion in model container [2018-11-23 11:41:17,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:41:17" (1/1) ... [2018-11-23 11:41:17,385 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 11:41:17,420 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 11:41:17,663 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:41:17,665 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 11:41:17,732 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:41:17,744 INFO L195 MainTranslator]: Completed translation [2018-11-23 11:41:17,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:41:17 WrapperNode [2018-11-23 11:41:17,745 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 11:41:17,745 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 11:41:17,745 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 11:41:17,746 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 11:41:17,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:41:17" (1/1) ... [2018-11-23 11:41:17,820 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:41:17" (1/1) ... [2018-11-23 11:41:17,826 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 11:41:17,826 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 11:41:17,826 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 11:41:17,827 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 11:41:17,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:41:17" (1/1) ... [2018-11-23 11:41:17,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:41:17" (1/1) ... [2018-11-23 11:41:17,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:41:17" (1/1) ... [2018-11-23 11:41:17,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:41:17" (1/1) ... [2018-11-23 11:41:17,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:41:17" (1/1) ... [2018-11-23 11:41:17,869 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:41:17" (1/1) ... [2018-11-23 11:41:17,873 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:41:17" (1/1) ... [2018-11-23 11:41:17,879 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 11:41:17,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 11:41:17,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 11:41:17,880 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 11:41:17,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:41:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8d2a8c4a-f815-452a-8c54-8bffb4fc210f/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 11:41:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 11:41:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 11:41:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 11:41:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 11:41:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 11:41:17,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 11:41:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 11:41:17,927 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 11:41:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 11:41:18,801 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 11:41:18,801 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 11:41:18,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:41:18 BoogieIcfgContainer [2018-11-23 11:41:18,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 11:41:18,802 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 11:41:18,802 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 11:41:18,804 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 11:41:18,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:41:17" (1/3) ... [2018-11-23 11:41:18,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32550e7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:41:18, skipping insertion in model container [2018-11-23 11:41:18,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:41:17" (2/3) ... [2018-11-23 11:41:18,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32550e7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:41:18, skipping insertion in model container [2018-11-23 11:41:18,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:41:18" (3/3) ... [2018-11-23 11:41:18,807 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label34_true-unreach-call.c [2018-11-23 11:41:18,813 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 11:41:18,822 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 11:41:18,831 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 11:41:18,853 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 11:41:18,853 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 11:41:18,853 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 11:41:18,853 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 11:41:18,853 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 11:41:18,853 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 11:41:18,853 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 11:41:18,853 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 11:41:18,870 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-11-23 11:41:18,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-23 11:41:18,876 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:41:18,877 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:41:18,879 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:41:18,882 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:41:18,882 INFO L82 PathProgramCache]: Analyzing trace with hash -864026194, now seen corresponding path program 1 times [2018-11-23 11:41:18,883 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 11:41:18,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:41:18,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:41:18,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:41:18,913 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 11:41:18,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:41:19,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:41:19,118 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:41:19,118 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 11:41:19,118 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 11:41:19,123 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 11:41:19,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 11:41:19,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 11:41:19,137 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2018-11-23 11:41:20,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:41:20,092 INFO L93 Difference]: Finished difference Result 733 states and 1294 transitions. [2018-11-23 11:41:20,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 11:41:20,093 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 69 [2018-11-23 11:41:20,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:41:20,105 INFO L225 Difference]: With dead ends: 733 [2018-11-23 11:41:20,106 INFO L226 Difference]: Without dead ends: 512 [2018-11-23 11:41:20,110 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 11:41:20,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2018-11-23 11:41:20,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 512. [2018-11-23 11:41:20,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 512 states. [2018-11-23 11:41:20,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 845 transitions. [2018-11-23 11:41:20,159 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 845 transitions. Word has length 69 [2018-11-23 11:41:20,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:41:20,160 INFO L480 AbstractCegarLoop]: Abstraction has 512 states and 845 transitions. [2018-11-23 11:41:20,160 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 11:41:20,160 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 845 transitions. [2018-11-23 11:41:20,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-23 11:41:20,166 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:41:20,166 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 11:41:20,166 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:41:20,166 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:41:20,166 INFO L82 PathProgramCache]: Analyzing trace with hash -1649198670, now seen corresponding path program 1 times [2018-11-23 11:41:20,167 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 11:41:20,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:41:20,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:41:20,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:41:20,168 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 11:41:20,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:41:20,314 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:41:20,314 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:41:20,315 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 11:41:20,315 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 11:41:20,316 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 11:41:20,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 11:41:20,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 11:41:20,317 INFO L87 Difference]: Start difference. First operand 512 states and 845 transitions. Second operand 6 states. [2018-11-23 11:41:21,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:41:21,101 INFO L93 Difference]: Finished difference Result 1851 states and 3239 transitions. [2018-11-23 11:41:21,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 11:41:21,102 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 143 [2018-11-23 11:41:21,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:41:21,107 INFO L225 Difference]: With dead ends: 1851 [2018-11-23 11:41:21,107 INFO L226 Difference]: Without dead ends: 1345 [2018-11-23 11:41:21,110 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 11:41:21,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1345 states. [2018-11-23 11:41:21,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1345 to 1325. [2018-11-23 11:41:21,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1325 states. [2018-11-23 11:41:21,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 1325 states and 2045 transitions. [2018-11-23 11:41:21,155 INFO L78 Accepts]: Start accepts. Automaton has 1325 states and 2045 transitions. Word has length 143 [2018-11-23 11:41:21,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:41:21,156 INFO L480 AbstractCegarLoop]: Abstraction has 1325 states and 2045 transitions. [2018-11-23 11:41:21,156 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 11:41:21,156 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 2045 transitions. [2018-11-23 11:41:21,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-23 11:41:21,161 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:41:21,162 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:41:21,162 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:41:21,162 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:41:21,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1422420137, now seen corresponding path program 1 times [2018-11-23 11:41:21,162 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 11:41:21,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:41:21,163 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:41:21,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:41:21,164 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 11:41:21,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:41:21,289 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:41:21,289 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:41:21,289 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 11:41:21,289 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 11:41:21,290 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 11:41:21,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 11:41:21,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 11:41:21,290 INFO L87 Difference]: Start difference. First operand 1325 states and 2045 transitions. Second operand 6 states. [2018-11-23 11:41:22,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:41:22,157 INFO L93 Difference]: Finished difference Result 3519 states and 5747 transitions. [2018-11-23 11:41:22,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 11:41:22,158 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 176 [2018-11-23 11:41:22,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:41:22,169 INFO L225 Difference]: With dead ends: 3519 [2018-11-23 11:41:22,169 INFO L226 Difference]: Without dead ends: 2200 [2018-11-23 11:41:22,176 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 11:41:22,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2200 states. [2018-11-23 11:41:22,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2200 to 2170. [2018-11-23 11:41:22,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2170 states. [2018-11-23 11:41:22,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2170 states to 2170 states and 3187 transitions. [2018-11-23 11:41:22,230 INFO L78 Accepts]: Start accepts. Automaton has 2170 states and 3187 transitions. Word has length 176 [2018-11-23 11:41:22,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:41:22,231 INFO L480 AbstractCegarLoop]: Abstraction has 2170 states and 3187 transitions. [2018-11-23 11:41:22,231 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 11:41:22,231 INFO L276 IsEmpty]: Start isEmpty. Operand 2170 states and 3187 transitions. [2018-11-23 11:41:22,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-11-23 11:41:22,239 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:41:22,239 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:41:22,239 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:41:22,240 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:41:22,240 INFO L82 PathProgramCache]: Analyzing trace with hash -2012360138, now seen corresponding path program 1 times [2018-11-23 11:41:22,240 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 11:41:22,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:41:22,241 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:41:22,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:41:22,241 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 11:41:22,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:41:22,443 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-11-23 11:41:22,443 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 11:41:22,444 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 11:41:22,444 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 264 with the following transitions: [2018-11-23 11:41:22,446 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [566], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [646], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-11-23 11:41:22,482 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 11:41:22,482 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 11:41:22,786 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 11:41:22,787 INFO L272 AbstractInterpreter]: Visited 112 different actions 112 times. Never merged. Never widened. Performed 1049 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1049 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-11-23 11:41:22,798 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:41:22,798 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 11:41:23,204 INFO L227 lantSequenceWeakener]: Weakened 254 states. On average, predicates are now at 73.57% of their original sizes. [2018-11-23 11:41:23,204 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 11:41:23,234 INFO L415 sIntCurrentIteration]: We unified 262 AI predicates to 262 [2018-11-23 11:41:23,234 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 11:41:23,235 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 11:41:23,235 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 8 [2018-11-23 11:41:23,235 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 11:41:23,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 11:41:23,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 11:41:23,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 11:41:23,236 INFO L87 Difference]: Start difference. First operand 2170 states and 3187 transitions. Second operand 6 states. [2018-11-23 11:41:27,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:41:27,578 INFO L93 Difference]: Finished difference Result 4478 states and 6587 transitions. [2018-11-23 11:41:27,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 11:41:27,578 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 263 [2018-11-23 11:41:27,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:41:27,587 INFO L225 Difference]: With dead ends: 4478 [2018-11-23 11:41:27,587 INFO L226 Difference]: Without dead ends: 2314 [2018-11-23 11:41:27,593 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 263 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 11:41:27,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2314 states. [2018-11-23 11:41:27,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2314 to 2313. [2018-11-23 11:41:27,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2313 states. [2018-11-23 11:41:27,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2313 states to 2313 states and 3338 transitions. [2018-11-23 11:41:27,645 INFO L78 Accepts]: Start accepts. Automaton has 2313 states and 3338 transitions. Word has length 263 [2018-11-23 11:41:27,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:41:27,645 INFO L480 AbstractCegarLoop]: Abstraction has 2313 states and 3338 transitions. [2018-11-23 11:41:27,645 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 11:41:27,645 INFO L276 IsEmpty]: Start isEmpty. Operand 2313 states and 3338 transitions. [2018-11-23 11:41:27,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-11-23 11:41:27,656 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:41:27,656 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-23 11:41:27,656 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:41:27,657 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:41:27,657 INFO L82 PathProgramCache]: Analyzing trace with hash 1638254450, now seen corresponding path program 1 times [2018-11-23 11:41:27,657 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 11:41:27,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:41:27,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:41:27,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:41:27,658 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 11:41:27,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:41:28,409 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 258 proven. 87 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-23 11:41:28,410 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 11:41:28,410 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 11:41:28,410 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 334 with the following transitions: [2018-11-23 11:41:28,410 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [466], [474], [482], [490], [495], [498], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [566], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [646], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-11-23 11:41:28,414 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 11:41:28,414 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 11:41:30,687 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 11:41:30,687 INFO L272 AbstractInterpreter]: Visited 116 different actions 463 times. Merged at 7 different actions 29 times. Widened at 1 different actions 1 times. Performed 4729 root evaluator evaluations with a maximum evaluation depth of 20. Performed 4729 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 7 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-23 11:41:30,702 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:41:30,702 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 11:41:31,502 INFO L227 lantSequenceWeakener]: Weakened 330 states. On average, predicates are now at 78.61% of their original sizes. [2018-11-23 11:41:31,502 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 11:41:31,556 INFO L415 sIntCurrentIteration]: We unified 332 AI predicates to 332 [2018-11-23 11:41:31,556 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 11:41:31,556 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 11:41:31,557 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [14] total 21 [2018-11-23 11:41:31,557 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 11:41:31,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 11:41:31,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 11:41:31,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 11:41:31,558 INFO L87 Difference]: Start difference. First operand 2313 states and 3338 transitions. Second operand 9 states. [2018-11-23 11:41:50,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:41:50,393 INFO L93 Difference]: Finished difference Result 5678 states and 8799 transitions. [2018-11-23 11:41:50,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 11:41:50,394 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 333 [2018-11-23 11:41:50,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:41:50,394 INFO L225 Difference]: With dead ends: 5678 [2018-11-23 11:41:50,395 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 11:41:50,404 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 339 GetRequests, 325 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-23 11:41:50,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 11:41:50,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 11:41:50,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 11:41:50,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 11:41:50,405 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 333 [2018-11-23 11:41:50,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:41:50,405 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 11:41:50,405 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 11:41:50,405 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:41:50,405 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:41:50,409 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 11:41:50,695 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 44 [2018-11-23 11:41:50,751 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 11:41:50,751 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~a10~0)| ~a10~0) [2018-11-23 11:41:50,751 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 11:41:50,751 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-11-23 11:41:50,751 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,751 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,751 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,751 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,751 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,752 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,752 INFO L448 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-11-23 11:41:50,752 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2018-11-23 11:41:50,752 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-11-23 11:41:50,752 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-23 11:41:50,752 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-23 11:41:50,752 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-23 11:41:50,752 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-23 11:41:50,752 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-23 11:41:50,752 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-23 11:41:50,752 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-11-23 11:41:50,752 INFO L448 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-11-23 11:41:50,752 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-11-23 11:41:50,753 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,753 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,753 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,753 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,753 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,753 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-11-23 11:41:50,753 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-11-23 11:41:50,753 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-11-23 11:41:50,753 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-11-23 11:41:50,753 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-23 11:41:50,753 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-23 11:41:50,753 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-23 11:41:50,753 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-23 11:41:50,753 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-23 11:41:50,753 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-11-23 11:41:50,754 INFO L448 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-11-23 11:41:50,754 INFO L448 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-11-23 11:41:50,754 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-11-23 11:41:50,754 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-11-23 11:41:50,754 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,754 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,754 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,754 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,754 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,754 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-11-23 11:41:50,754 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-23 11:41:50,754 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-23 11:41:50,754 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-23 11:41:50,754 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-23 11:41:50,754 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-23 11:41:50,755 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-11-23 11:41:50,755 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-11-23 11:41:50,755 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-11-23 11:41:50,755 INFO L448 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-11-23 11:41:50,755 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,755 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,755 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,755 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,755 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,755 INFO L448 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-11-23 11:41:50,755 INFO L448 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-11-23 11:41:50,755 INFO L448 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-11-23 11:41:50,755 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-23 11:41:50,755 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-23 11:41:50,756 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-23 11:41:50,756 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-23 11:41:50,756 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-23 11:41:50,756 INFO L448 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-11-23 11:41:50,756 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-11-23 11:41:50,756 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-11-23 11:41:50,756 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-11-23 11:41:50,756 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-11-23 11:41:50,756 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,756 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,756 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,756 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,756 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,756 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-23 11:41:50,756 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-23 11:41:50,756 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-23 11:41:50,757 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-23 11:41:50,757 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-23 11:41:50,757 INFO L448 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-11-23 11:41:50,757 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-11-23 11:41:50,757 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-11-23 11:41:50,757 INFO L448 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-11-23 11:41:50,757 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,757 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,757 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,757 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,757 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,757 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,757 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,757 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-11-23 11:41:50,758 INFO L448 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-11-23 11:41:50,758 INFO L448 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-11-23 11:41:50,758 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-11-23 11:41:50,758 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-23 11:41:50,758 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-23 11:41:50,758 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-23 11:41:50,758 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-23 11:41:50,758 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-23 11:41:50,758 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-11-23 11:41:50,758 INFO L448 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-11-23 11:41:50,758 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-11-23 11:41:50,758 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-11-23 11:41:50,758 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,758 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,758 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,759 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,759 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-11-23 11:41:50,759 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,759 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,759 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-11-23 11:41:50,759 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-11-23 11:41:50,759 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-11-23 11:41:50,759 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-23 11:41:50,759 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-23 11:41:50,759 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-23 11:41:50,759 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-23 11:41:50,759 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-23 11:41:50,759 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-11-23 11:41:50,759 INFO L448 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-11-23 11:41:50,759 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-11-23 11:41:50,760 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-11-23 11:41:50,760 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-11-23 11:41:50,760 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,760 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,760 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,760 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,760 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,760 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,760 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-11-23 11:41:50,760 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-11-23 11:41:50,760 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-11-23 11:41:50,760 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-23 11:41:50,760 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-23 11:41:50,760 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-23 11:41:50,761 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-23 11:41:50,761 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-23 11:41:50,761 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-23 11:41:50,761 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-11-23 11:41:50,761 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-11-23 11:41:50,761 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse4 (= |old(~a10~0)| ~a10~0)) (.cse0 (not (= 14 ~a4~0))) (.cse1 (not (= 0 ~a12~0))) (.cse2 (not (= 9 |old(~a19~0)|))) (.cse3 (= |calculate_output_#in~input| 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (= 3 |old(~a10~0)|) .cse4) (or (= ~a19~0 9) .cse0 .cse1 .cse2 .cse3) (or (and (<= ~a1~0 218) .cse4) (< 218 |old(~a1~0)|)) (or (<= ~a1~0 23) (< 23 |old(~a1~0)|)) (or (= ~a1~0 23) .cse0 .cse1 .cse2 (not (= 23 |old(~a1~0)|)) .cse3 (not (= 0 |old(~a10~0)|))))) [2018-11-23 11:41:50,761 INFO L448 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-11-23 11:41:50,761 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-11-23 11:41:50,761 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-11-23 11:41:50,761 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,761 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,761 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,762 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,762 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,762 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,762 INFO L448 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-11-23 11:41:50,762 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-23 11:41:50,762 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-23 11:41:50,762 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-23 11:41:50,762 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-23 11:41:50,762 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-23 11:41:50,762 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-23 11:41:50,762 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-11-23 11:41:50,762 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-11-23 11:41:50,762 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-11-23 11:41:50,762 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-11-23 11:41:50,762 INFO L448 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-11-23 11:41:50,763 INFO L448 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-11-23 11:41:50,763 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,763 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,763 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,763 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,763 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,763 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,763 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-11-23 11:41:50,763 INFO L448 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-11-23 11:41:50,763 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-11-23 11:41:50,763 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-23 11:41:50,763 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-23 11:41:50,763 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-23 11:41:50,763 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-23 11:41:50,763 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-23 11:41:50,763 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-23 11:41:50,764 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-11-23 11:41:50,764 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-11-23 11:41:50,764 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-11-23 11:41:50,764 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,764 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,764 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,764 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,764 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,764 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-11-23 11:41:50,764 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-11-23 11:41:50,764 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-11-23 11:41:50,764 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-11-23 11:41:50,764 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-23 11:41:50,764 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-23 11:41:50,764 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-23 11:41:50,765 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-23 11:41:50,765 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-23 11:41:50,765 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-23 11:41:50,765 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-11-23 11:41:50,765 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-11-23 11:41:50,765 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-11-23 11:41:50,765 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 11:41:50,765 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 9) (= ~a10~0 0) (= ~a12~0 0) (= ~a1~0 23) (= ~a4~0 14)) [2018-11-23 11:41:50,765 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 11:41:50,765 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 11:41:50,765 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (and (= ~a19~0 9) (= ~a1~0 23) (= |old(~a10~0)| ~a10~0)) (not (= 9 |old(~a19~0)|)) (not (= 23 |old(~a1~0)|)) (not (= 0 |old(~a10~0)|))) [2018-11-23 11:41:50,765 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-11-23 11:41:50,765 INFO L444 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (or (not (= ~a10~0 3)) (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 23 |old(~a1~0)|)) (not (= 0 |old(~a10~0)|)) (<= ~a1~0 218) (and (not (= main_~input~0 0)) (= ~a19~0 9))) [2018-11-23 11:41:50,766 INFO L448 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-23 11:41:50,766 INFO L448 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-11-23 11:41:50,766 INFO L444 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (not (= ~a10~0 3)) (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 23 |old(~a1~0)|)) (= ~a19~0 9) (not (= 0 |old(~a10~0)|)) (<= ~a1~0 218)) [2018-11-23 11:41:50,766 INFO L448 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2018-11-23 11:41:50,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:41:50 BoogieIcfgContainer [2018-11-23 11:41:50,774 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 11:41:50,774 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 11:41:50,774 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 11:41:50,774 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 11:41:50,775 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:41:18" (3/4) ... [2018-11-23 11:41:50,777 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 11:41:50,781 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 11:41:50,781 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 11:41:50,782 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 11:41:50,790 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 11:41:50,791 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 11:41:50,807 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(a10 == 3) || !(14 == a4)) || !(0 == a12)) || !(9 == \old(a19))) || !(23 == \old(a1))) || a19 == 9) || !(0 == \old(a10))) || a1 <= 218 [2018-11-23 11:41:50,868 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8d2a8c4a-f815-452a-8c54-8bffb4fc210f/bin-2019/utaipan/witness.graphml [2018-11-23 11:41:50,868 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 11:41:50,869 INFO L168 Benchmark]: Toolchain (without parser) took 33495.48 ms. Allocated memory was 1.0 GB in the beginning and 4.7 GB in the end (delta: 3.7 GB). Free memory was 956.6 MB in the beginning and 3.0 GB in the end (delta: -2.0 GB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2018-11-23 11:41:50,870 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 11:41:50,870 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.27 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 919.0 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-23 11:41:50,870 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 919.0 MB in the beginning and 1.1 GB in the end (delta: -222.3 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-11-23 11:41:50,870 INFO L168 Benchmark]: Boogie Preprocessor took 53.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 11:41:50,871 INFO L168 Benchmark]: RCFGBuilder took 921.48 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: 106.0 MB). Peak memory consumption was 106.0 MB. Max. memory is 11.5 GB. [2018-11-23 11:41:50,871 INFO L168 Benchmark]: TraceAbstraction took 31971.92 ms. Allocated memory was 1.2 GB in the beginning and 4.7 GB in the end (delta: 3.5 GB). Free memory was 1.0 GB in the beginning and 3.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. [2018-11-23 11:41:50,871 INFO L168 Benchmark]: Witness Printer took 94.52 ms. Allocated memory is still 4.7 GB. Free memory is still 3.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 11:41:50,872 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 370.27 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 919.0 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 80.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 919.0 MB in the beginning and 1.1 GB in the end (delta: -222.3 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 921.48 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: 106.0 MB). Peak memory consumption was 106.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 31971.92 ms. Allocated memory was 1.2 GB in the beginning and 4.7 GB in the end (delta: 3.5 GB). Free memory was 1.0 GB in the beginning and 3.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. * Witness Printer took 94.52 ms. Allocated memory is still 4.7 GB. Free memory is still 3.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 193]: 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: 582]: Loop Invariant Derived loop invariant: ((((((!(a10 == 3) || !(14 == a4)) || !(0 == a12)) || !(9 == \old(a19))) || !(23 == \old(a1))) || a19 == 9) || !(0 == \old(a10))) || a1 <= 218 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. SAFE Result, 31.9s OverallTime, 5 OverallIterations, 4 TraceHistogramMax, 25.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 663 SDtfs, 3051 SDslu, 835 SDs, 0 SdLazy, 4094 SolverSat, 1093 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.8s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 628 GetRequests, 591 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2313occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.6s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9971181182669131 AbsIntWeakeningRatio, 0.09764309764309764 AbsIntAvgWeakeningVarsNumRemoved, 14.767676767676768 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 51 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 52 PreInvPairs, 98 NumberOfFragments, 211 HoareAnnotationTreeSize, 52 FomulaSimplifications, 1871 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 666 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 984 NumberOfCodeBlocks, 984 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 979 ConstructedInterpolants, 0 QuantifiedInterpolants, 1593669 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 543/748 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...