./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product19.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_395712f5-d7ac-449b-acb5-f4bb6c750d31/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_395712f5-d7ac-449b-acb5-f4bb6c750d31/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_395712f5-d7ac-449b-acb5-f4bb6c750d31/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_395712f5-d7ac-449b-acb5-f4bb6c750d31/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product19.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_395712f5-d7ac-449b-acb5-f4bb6c750d31/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_395712f5-d7ac-449b-acb5-f4bb6c750d31/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fa70b27961ca39062c0ebe653ea06e8e7d50aca3 ............................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:05:08,176 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:05:08,178 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:05:08,192 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:05:08,193 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:05:08,194 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:05:08,196 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:05:08,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:05:08,208 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:05:08,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:05:08,214 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:05:08,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:05:08,215 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:05:08,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:05:08,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:05:08,219 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:05:08,220 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:05:08,220 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:05:08,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:05:08,226 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:05:08,229 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:05:08,231 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:05:08,237 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:05:08,238 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:05:08,241 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:05:08,241 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:05:08,241 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:05:08,243 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:05:08,243 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:05:08,244 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:05:08,244 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:05:08,245 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:05:08,246 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:05:08,246 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:05:08,247 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:05:08,247 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:05:08,248 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:05:08,248 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:05:08,248 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:05:08,249 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:05:08,250 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:05:08,250 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_395712f5-d7ac-449b-acb5-f4bb6c750d31/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:05:08,274 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:05:08,274 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:05:08,275 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:05:08,275 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:05:08,275 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:05:08,276 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:05:08,276 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:05:08,276 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:05:08,284 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:05:08,284 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:05:08,285 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:05:08,285 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:05:08,285 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:05:08,285 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:05:08,285 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:05:08,286 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:05:08,286 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:05:08,286 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:05:08,287 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:05:08,287 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:05:08,287 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:05:08,287 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:05:08,288 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:05:08,288 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:05:08,288 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:05:08,288 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:05:08,288 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:05:08,289 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:05:08,289 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:05:08,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:05:08,289 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:05:08,290 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:05:08,290 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:05:08,290 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:05:08,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:05:08,290 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:05:08,291 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:05:08,291 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_395712f5-d7ac-449b-acb5-f4bb6c750d31/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa70b27961ca39062c0ebe653ea06e8e7d50aca3 [2019-11-26 02:05:08,432 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:05:08,442 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:05:08,445 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:05:08,446 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:05:08,447 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:05:08,447 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_395712f5-d7ac-449b-acb5-f4bb6c750d31/bin/utaipan/../../sv-benchmarks/c/product-lines/email_spec0_product19.cil.c [2019-11-26 02:05:08,508 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_395712f5-d7ac-449b-acb5-f4bb6c750d31/bin/utaipan/data/caade743b/47db64c438d04c57bb398158229a0d13/FLAG171995ed0 [2019-11-26 02:05:08,972 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:05:08,974 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_395712f5-d7ac-449b-acb5-f4bb6c750d31/sv-benchmarks/c/product-lines/email_spec0_product19.cil.c [2019-11-26 02:05:09,000 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_395712f5-d7ac-449b-acb5-f4bb6c750d31/bin/utaipan/data/caade743b/47db64c438d04c57bb398158229a0d13/FLAG171995ed0 [2019-11-26 02:05:09,305 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_395712f5-d7ac-449b-acb5-f4bb6c750d31/bin/utaipan/data/caade743b/47db64c438d04c57bb398158229a0d13 [2019-11-26 02:05:09,307 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:05:09,308 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:05:09,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:05:09,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:05:09,321 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:05:09,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:05:09" (1/1) ... [2019-11-26 02:05:09,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8ad524b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:05:09, skipping insertion in model container [2019-11-26 02:05:09,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:05:09" (1/1) ... [2019-11-26 02:05:09,332 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:05:09,409 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:05:09,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:05:09,941 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:05:10,067 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:05:10,141 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:05:10,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:05:10 WrapperNode [2019-11-26 02:05:10,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:05:10,143 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:05:10,143 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:05:10,143 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:05:10,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:05:10" (1/1) ... [2019-11-26 02:05:10,180 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:05:10" (1/1) ... [2019-11-26 02:05:10,249 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:05:10,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:05:10,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:05:10,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:05:10,259 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:05:10" (1/1) ... [2019-11-26 02:05:10,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:05:10" (1/1) ... [2019-11-26 02:05:10,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:05:10" (1/1) ... [2019-11-26 02:05:10,267 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:05:10" (1/1) ... [2019-11-26 02:05:10,313 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:05:10" (1/1) ... [2019-11-26 02:05:10,336 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:05:10" (1/1) ... [2019-11-26 02:05:10,349 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:05:10" (1/1) ... [2019-11-26 02:05:10,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:05:10,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:05:10,367 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:05:10,367 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:05:10,368 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:05:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_395712f5-d7ac-449b-acb5-f4bb6c750d31/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:05:10,436 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-26 02:05:10,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:05:10,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:05:10,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:05:10,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:05:16,274 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:05:16,275 INFO L284 CfgBuilder]: Removed 295 assume(true) statements. [2019-11-26 02:05:16,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:05:16 BoogieIcfgContainer [2019-11-26 02:05:16,276 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:05:16,277 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:05:16,277 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:05:16,279 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:05:16,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:05:09" (1/3) ... [2019-11-26 02:05:16,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bc84c57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:05:16, skipping insertion in model container [2019-11-26 02:05:16,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:05:10" (2/3) ... [2019-11-26 02:05:16,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bc84c57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:05:16, skipping insertion in model container [2019-11-26 02:05:16,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:05:16" (3/3) ... [2019-11-26 02:05:16,282 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec0_product19.cil.c [2019-11-26 02:05:16,289 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:05:16,294 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-11-26 02:05:16,302 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-11-26 02:05:16,322 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:05:16,322 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:05:16,322 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:05:16,322 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:05:16,323 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:05:16,323 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:05:16,323 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:05:16,323 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:05:16,334 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2019-11-26 02:05:16,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:05:16,339 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:05:16,340 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:05:16,340 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:05:16,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:05:16,345 INFO L82 PathProgramCache]: Analyzing trace with hash 1794517670, now seen corresponding path program 1 times [2019-11-26 02:05:16,353 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:05:16,354 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117912547] [2019-11-26 02:05:16,354 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:05:16,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:05:16,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:05:16,633 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117912547] [2019-11-26 02:05:16,634 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:05:16,634 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:05:16,635 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115860609] [2019-11-26 02:05:16,639 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-26 02:05:16,640 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:05:16,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-26 02:05:16,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:05:16,654 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 2 states. [2019-11-26 02:05:16,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:05:16,677 INFO L93 Difference]: Finished difference Result 56 states and 89 transitions. [2019-11-26 02:05:16,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-26 02:05:16,678 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2019-11-26 02:05:16,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:05:16,687 INFO L225 Difference]: With dead ends: 56 [2019-11-26 02:05:16,688 INFO L226 Difference]: Without dead ends: 38 [2019-11-26 02:05:16,690 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:05:16,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-11-26 02:05:16,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2019-11-26 02:05:16,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2019-11-26 02:05:16,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 61 transitions. [2019-11-26 02:05:16,722 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 61 transitions. Word has length 7 [2019-11-26 02:05:16,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:05:16,723 INFO L462 AbstractCegarLoop]: Abstraction has 38 states and 61 transitions. [2019-11-26 02:05:16,723 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-26 02:05:16,723 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2019-11-26 02:05:16,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:05:16,723 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:05:16,724 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:05:16,724 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:05:16,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:05:16,724 INFO L82 PathProgramCache]: Analyzing trace with hash -356484635, now seen corresponding path program 1 times [2019-11-26 02:05:16,725 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:05:16,725 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920591339] [2019-11-26 02:05:16,725 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:05:16,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:05:16,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:05:16,849 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920591339] [2019-11-26 02:05:16,849 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:05:16,849 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:05:16,850 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451660741] [2019-11-26 02:05:16,851 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:05:16,851 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:05:16,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:05:16,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:05:16,852 INFO L87 Difference]: Start difference. First operand 38 states and 61 transitions. Second operand 3 states. [2019-11-26 02:05:16,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:05:16,873 INFO L93 Difference]: Finished difference Result 52 states and 76 transitions. [2019-11-26 02:05:16,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:05:16,875 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-26 02:05:16,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:05:16,876 INFO L225 Difference]: With dead ends: 52 [2019-11-26 02:05:16,876 INFO L226 Difference]: Without dead ends: 40 [2019-11-26 02:05:16,877 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:05:16,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-11-26 02:05:16,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-11-26 02:05:16,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-26 02:05:16,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 63 transitions. [2019-11-26 02:05:16,884 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 63 transitions. Word has length 8 [2019-11-26 02:05:16,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:05:16,884 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 63 transitions. [2019-11-26 02:05:16,884 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:05:16,884 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 63 transitions. [2019-11-26 02:05:16,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-26 02:05:16,885 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:05:16,885 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:05:16,886 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:05:16,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:05:16,886 INFO L82 PathProgramCache]: Analyzing trace with hash -431095427, now seen corresponding path program 1 times [2019-11-26 02:05:16,886 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:05:16,886 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199559184] [2019-11-26 02:05:16,886 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:05:16,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:05:17,088 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:05:17,089 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199559184] [2019-11-26 02:05:17,089 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:05:17,089 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:05:17,089 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604614145] [2019-11-26 02:05:17,090 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:05:17,090 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:05:17,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:05:17,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:05:17,091 INFO L87 Difference]: Start difference. First operand 40 states and 63 transitions. Second operand 3 states. [2019-11-26 02:05:17,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:05:17,107 INFO L93 Difference]: Finished difference Result 43 states and 66 transitions. [2019-11-26 02:05:17,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:05:17,108 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-11-26 02:05:17,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:05:17,109 INFO L225 Difference]: With dead ends: 43 [2019-11-26 02:05:17,109 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:05:17,110 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:05:17,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:05:17,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:05:17,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:05:17,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:05:17,111 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2019-11-26 02:05:17,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:05:17,111 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:05:17,111 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:05:17,111 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:05:17,111 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:05:17,116 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:05:17,158 INFO L447 ceAbstractionStarter]: At program point L1952(lines 1942 2085) the Hoare annotation is: true [2019-11-26 02:05:17,158 INFO L447 ceAbstractionStarter]: At program point L2088(lines 1919 2089) the Hoare annotation is: true [2019-11-26 02:05:17,158 INFO L447 ceAbstractionStarter]: At program point L1957(lines 1957 1964) the Hoare annotation is: true [2019-11-26 02:05:17,159 INFO L447 ceAbstractionStarter]: At program point L1966(lines 1953 2084) the Hoare annotation is: true [2019-11-26 02:05:17,159 INFO L447 ceAbstractionStarter]: At program point L251(lines 251 258) the Hoare annotation is: true [2019-11-26 02:05:17,159 INFO L447 ceAbstractionStarter]: At program point L251-1(lines 1 2881) the Hoare annotation is: true [2019-11-26 02:05:17,159 INFO L447 ceAbstractionStarter]: At program point L251-2(lines 251 258) the Hoare annotation is: true [2019-11-26 02:05:17,159 INFO L447 ceAbstractionStarter]: At program point L1971(lines 1971 1978) the Hoare annotation is: true [2019-11-26 02:05:17,159 INFO L444 ceAbstractionStarter]: For program point L2105(lines 2105 2111) no Hoare annotation was computed. [2019-11-26 02:05:17,159 INFO L444 ceAbstractionStarter]: For program point L2105-2(lines 2105 2111) no Hoare annotation was computed. [2019-11-26 02:05:17,159 INFO L447 ceAbstractionStarter]: At program point L654(lines 654 661) the Hoare annotation is: true [2019-11-26 02:05:17,159 INFO L447 ceAbstractionStarter]: At program point L654-1(lines 654 661) the Hoare annotation is: true [2019-11-26 02:05:17,160 INFO L447 ceAbstractionStarter]: At program point L1980(lines 1967 2083) the Hoare annotation is: true [2019-11-26 02:05:17,160 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1859) no Hoare annotation was computed. [2019-11-26 02:05:17,160 INFO L447 ceAbstractionStarter]: At program point L1985(lines 1985 1992) the Hoare annotation is: true [2019-11-26 02:05:17,160 INFO L444 ceAbstractionStarter]: For program point L1859(line 1859) no Hoare annotation was computed. [2019-11-26 02:05:17,160 INFO L444 ceAbstractionStarter]: For program point L1859-1(line 1859) no Hoare annotation was computed. [2019-11-26 02:05:17,160 INFO L440 ceAbstractionStarter]: At program point L1860(lines 2097 2114) the Hoare annotation is: (= 1 ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~16) [2019-11-26 02:05:17,160 INFO L447 ceAbstractionStarter]: At program point L1860-1(lines 2097 2114) the Hoare annotation is: true [2019-11-26 02:05:17,161 INFO L447 ceAbstractionStarter]: At program point L1994(lines 1981 2082) the Hoare annotation is: true [2019-11-26 02:05:17,161 INFO L447 ceAbstractionStarter]: At program point L1999(lines 1999 2006) the Hoare annotation is: true [2019-11-26 02:05:17,161 INFO L447 ceAbstractionStarter]: At program point L2008(lines 1995 2081) the Hoare annotation is: true [2019-11-26 02:05:17,161 INFO L447 ceAbstractionStarter]: At program point L2013(lines 2013 2020) the Hoare annotation is: true [2019-11-26 02:05:17,161 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 1859) no Hoare annotation was computed. [2019-11-26 02:05:17,161 INFO L447 ceAbstractionStarter]: At program point L2022(lines 2009 2080) the Hoare annotation is: true [2019-11-26 02:05:17,161 INFO L444 ceAbstractionStarter]: For program point L2027(lines 2027 2031) no Hoare annotation was computed. [2019-11-26 02:05:17,161 INFO L447 ceAbstractionStarter]: At program point L2033(lines 2023 2079) the Hoare annotation is: true [2019-11-26 02:05:17,162 INFO L447 ceAbstractionStarter]: At program point L2038(lines 2038 2045) the Hoare annotation is: true [2019-11-26 02:05:17,162 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:05:17,162 INFO L447 ceAbstractionStarter]: At program point L2047(lines 2034 2078) the Hoare annotation is: true [2019-11-26 02:05:17,162 INFO L447 ceAbstractionStarter]: At program point L598(lines 598 606) the Hoare annotation is: true [2019-11-26 02:05:17,162 INFO L447 ceAbstractionStarter]: At program point L2052(lines 2052 2059) the Hoare annotation is: true [2019-11-26 02:05:17,162 INFO L444 ceAbstractionStarter]: For program point L1921(lines 1920 2087) no Hoare annotation was computed. [2019-11-26 02:05:17,162 INFO L444 ceAbstractionStarter]: For program point L1928(lines 1928 2086) no Hoare annotation was computed. [2019-11-26 02:05:17,162 INFO L447 ceAbstractionStarter]: At program point L2061(lines 2048 2077) the Hoare annotation is: true [2019-11-26 02:05:17,162 INFO L447 ceAbstractionStarter]: At program point L1932(lines 1932 1939) the Hoare annotation is: true [2019-11-26 02:05:17,163 INFO L447 ceAbstractionStarter]: At program point L2066(lines 2066 2073) the Hoare annotation is: true [2019-11-26 02:05:17,163 INFO L447 ceAbstractionStarter]: At program point L2066-1(lines 1920 2087) the Hoare annotation is: true [2019-11-26 02:05:17,163 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-26 02:05:17,163 INFO L447 ceAbstractionStarter]: At program point L1941(lines 1928 2086) the Hoare annotation is: true [2019-11-26 02:05:17,163 INFO L444 ceAbstractionStarter]: For program point L1946(lines 1946 1950) no Hoare annotation was computed. [2019-11-26 02:05:17,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:05:17 BoogieIcfgContainer [2019-11-26 02:05:17,174 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:05:17,174 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:05:17,175 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:05:17,175 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:05:17,175 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:05:16" (3/4) ... [2019-11-26 02:05:17,178 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:05:17,224 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 499 nodes and edges [2019-11-26 02:05:17,229 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 115 nodes and edges [2019-11-26 02:05:17,234 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-26 02:05:17,240 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-26 02:05:17,245 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:05:17,250 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:05:17,528 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_395712f5-d7ac-449b-acb5-f4bb6c750d31/bin/utaipan/witness.graphml [2019-11-26 02:05:17,529 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:05:17,531 INFO L168 Benchmark]: Toolchain (without parser) took 8222.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 200.3 MB). Free memory was 939.3 MB in the beginning and 848.6 MB in the end (delta: 90.8 MB). Peak memory consumption was 291.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:05:17,531 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:05:17,531 INFO L168 Benchmark]: CACSL2BoogieTranslator took 833.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -146.2 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:05:17,532 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.05 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:05:17,532 INFO L168 Benchmark]: Boogie Preprocessor took 116.35 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. [2019-11-26 02:05:17,533 INFO L168 Benchmark]: RCFGBuilder took 5909.56 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 64.5 MB). Free memory was 1.1 GB in the beginning and 980.5 MB in the end (delta: 88.9 MB). Peak memory consumption was 288.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:05:17,533 INFO L168 Benchmark]: TraceAbstraction took 897.36 ms. Allocated memory is still 1.2 GB. Free memory was 980.5 MB in the beginning and 902.5 MB in the end (delta: 78.0 MB). Peak memory consumption was 78.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:05:17,533 INFO L168 Benchmark]: Witness Printer took 354.51 ms. Allocated memory is still 1.2 GB. Free memory was 902.5 MB in the beginning and 848.6 MB in the end (delta: 54.0 MB). Peak memory consumption was 54.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:05:17,535 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 833.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -146.2 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 107.05 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 116.35 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 5909.56 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 64.5 MB). Free memory was 1.1 GB in the beginning and 980.5 MB in the end (delta: 88.9 MB). Peak memory consumption was 288.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 897.36 ms. Allocated memory is still 1.2 GB. Free memory was 980.5 MB in the beginning and 902.5 MB in the end (delta: 78.0 MB). Peak memory consumption was 78.0 MB. Max. memory is 11.5 GB. * Witness Printer took 354.51 ms. Allocated memory is still 1.2 GB. Free memory was 902.5 MB in the beginning and 848.6 MB in the end (delta: 54.0 MB). Peak memory consumption was 54.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1859]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1859]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 654]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 654]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2038]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1932]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1985]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1981]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2034]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1942]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1928]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1971]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2066]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1919]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2013]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2009]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1967]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2023]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1920]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1953]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2097]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2097]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 2052]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1995]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2048]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1999]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1957]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 41 locations, 2 error locations. Result: SAFE, OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 186 SDtfs, 4 SDslu, 111 SDs, 0 SdLazy, 4 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 30 LocationsWithAnnotation, 30 PreInvPairs, 42 NumberOfFragments, 32 HoareAnnotationTreeSize, 30 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 30 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 256 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...