./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec7_product25.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_bbb9e893-f0c6-4da2-910c-f0b24cc1cf58/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_bbb9e893-f0c6-4da2-910c-f0b24cc1cf58/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bbb9e893-f0c6-4da2-910c-f0b24cc1cf58/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bbb9e893-f0c6-4da2-910c-f0b24cc1cf58/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec7_product25.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_bbb9e893-f0c6-4da2-910c-f0b24cc1cf58/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bbb9e893-f0c6-4da2-910c-f0b24cc1cf58/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 99165e14e6c37ec9e08b16c448d803f0086ba27d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 02:19:30,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:19:30,181 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:19:30,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:19:30,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:19:30,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:19:30,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:19:30,196 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:19:30,198 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:19:30,199 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:19:30,200 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:19:30,202 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:19:30,202 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:19:30,203 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:19:30,204 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:19:30,205 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:19:30,206 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:19:30,207 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:19:30,209 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:19:30,212 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:19:30,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:19:30,215 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:19:30,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:19:30,217 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:19:30,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:19:30,221 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:19:30,221 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:19:30,222 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:19:30,223 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:19:30,224 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:19:30,224 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:19:30,225 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:19:30,225 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:19:30,226 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:19:30,227 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:19:30,227 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:19:30,228 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:19:30,228 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:19:30,228 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:19:30,229 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:19:30,230 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:19:30,231 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bbb9e893-f0c6-4da2-910c-f0b24cc1cf58/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:19:30,245 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:19:30,245 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:19:30,246 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:19:30,246 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:19:30,246 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:19:30,247 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:19:30,247 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:19:30,247 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:19:30,247 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:19:30,247 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:19:30,248 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:19:30,248 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:19:30,248 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:19:30,248 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:19:30,248 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:19:30,249 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:19:30,249 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:19:30,249 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:19:30,249 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:19:30,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:19:30,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:19:30,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:19:30,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:19:30,250 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:19:30,250 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:19:30,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:19:30,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:19:30,251 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:19:30,251 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:19:30,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:19:30,251 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:19:30,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:19:30,252 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:19:30,252 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:19:30,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:19:30,252 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:19:30,252 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:19:30,253 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_bbb9e893-f0c6-4da2-910c-f0b24cc1cf58/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 -> 99165e14e6c37ec9e08b16c448d803f0086ba27d [2019-11-26 02:19:30,390 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:19:30,401 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:19:30,407 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:19:30,418 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:19:30,418 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:19:30,419 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bbb9e893-f0c6-4da2-910c-f0b24cc1cf58/bin/utaipan/../../sv-benchmarks/c/product-lines/email_spec7_product25.cil.c [2019-11-26 02:19:30,481 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bbb9e893-f0c6-4da2-910c-f0b24cc1cf58/bin/utaipan/data/8e2c735e4/d9687f8ccc23492f9780fbed8133c767/FLAG9aed888f6 [2019-11-26 02:19:31,027 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:19:31,027 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bbb9e893-f0c6-4da2-910c-f0b24cc1cf58/sv-benchmarks/c/product-lines/email_spec7_product25.cil.c [2019-11-26 02:19:31,053 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bbb9e893-f0c6-4da2-910c-f0b24cc1cf58/bin/utaipan/data/8e2c735e4/d9687f8ccc23492f9780fbed8133c767/FLAG9aed888f6 [2019-11-26 02:19:31,252 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bbb9e893-f0c6-4da2-910c-f0b24cc1cf58/bin/utaipan/data/8e2c735e4/d9687f8ccc23492f9780fbed8133c767 [2019-11-26 02:19:31,255 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:19:31,256 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:19:31,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:19:31,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:19:31,260 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:19:31,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:19:31" (1/1) ... [2019-11-26 02:19:31,263 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ee4d5b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:31, skipping insertion in model container [2019-11-26 02:19:31,263 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:19:31" (1/1) ... [2019-11-26 02:19:31,269 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:19:31,343 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:19:31,995 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:19:32,007 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:19:32,089 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:19:32,165 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:19:32,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:32 WrapperNode [2019-11-26 02:19:32,166 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:19:32,167 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:19:32,167 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:19:32,167 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:19:32,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:32" (1/1) ... [2019-11-26 02:19:32,204 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:32" (1/1) ... [2019-11-26 02:19:32,327 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:19:32,327 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:19:32,327 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:19:32,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:19:32,337 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:32" (1/1) ... [2019-11-26 02:19:32,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:32" (1/1) ... [2019-11-26 02:19:32,347 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:32" (1/1) ... [2019-11-26 02:19:32,348 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:32" (1/1) ... [2019-11-26 02:19:32,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:32" (1/1) ... [2019-11-26 02:19:32,431 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:32" (1/1) ... [2019-11-26 02:19:32,440 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:32" (1/1) ... [2019-11-26 02:19:32,470 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:19:32,471 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:19:32,471 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:19:32,471 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:19:32,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bbb9e893-f0c6-4da2-910c-f0b24cc1cf58/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 02:19:32,549 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-26 02:19:32,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:19:32,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:19:32,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:19:32,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:19:45,964 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:19:45,964 INFO L284 CfgBuilder]: Removed 609 assume(true) statements. [2019-11-26 02:19:45,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:19:45 BoogieIcfgContainer [2019-11-26 02:19:45,966 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:19:45,968 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:19:45,968 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:19:45,971 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:19:45,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:19:31" (1/3) ... [2019-11-26 02:19:45,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b9e5ad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:19:45, skipping insertion in model container [2019-11-26 02:19:45,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:19:32" (2/3) ... [2019-11-26 02:19:45,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b9e5ad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:19:45, skipping insertion in model container [2019-11-26 02:19:45,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:19:45" (3/3) ... [2019-11-26 02:19:45,976 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec7_product25.cil.c [2019-11-26 02:19:45,984 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:19:45,991 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2019-11-26 02:19:46,001 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-11-26 02:19:46,025 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:19:46,025 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:19:46,026 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:19:46,026 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:19:46,026 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:19:46,026 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:19:46,026 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:19:46,026 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:19:46,044 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2019-11-26 02:19:46,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:19:46,053 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:19:46,054 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:19:46,055 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:19:46,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:19:46,063 INFO L82 PathProgramCache]: Analyzing trace with hash -810579387, now seen corresponding path program 1 times [2019-11-26 02:19:46,072 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:19:46,072 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413173900] [2019-11-26 02:19:46,073 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:19:46,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:19:46,377 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 02:19:46,378 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413173900] [2019-11-26 02:19:46,379 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:19:46,379 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:19:46,380 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605528967] [2019-11-26 02:19:46,384 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-26 02:19:46,384 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:19:46,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-26 02:19:46,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:19:46,399 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2019-11-26 02:19:46,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:19:46,420 INFO L93 Difference]: Finished difference Result 88 states and 129 transitions. [2019-11-26 02:19:46,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-26 02:19:46,422 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2019-11-26 02:19:46,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:19:46,432 INFO L225 Difference]: With dead ends: 88 [2019-11-26 02:19:46,432 INFO L226 Difference]: Without dead ends: 53 [2019-11-26 02:19:46,435 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 02:19:46,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-11-26 02:19:46,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-11-26 02:19:46,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-11-26 02:19:46,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2019-11-26 02:19:46,472 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 7 [2019-11-26 02:19:46,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:19:46,472 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2019-11-26 02:19:46,472 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-26 02:19:46,473 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2019-11-26 02:19:46,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:19:46,473 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:19:46,474 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:19:46,474 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:19:46,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:19:46,475 INFO L82 PathProgramCache]: Analyzing trace with hash -1759382099, now seen corresponding path program 1 times [2019-11-26 02:19:46,475 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:19:46,475 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802807089] [2019-11-26 02:19:46,475 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:19:46,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:19:46,593 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 02:19:46,593 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802807089] [2019-11-26 02:19:46,593 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:19:46,593 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:19:46,594 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44331282] [2019-11-26 02:19:46,595 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:19:46,595 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:19:46,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:19:46,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:19:46,596 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 3 states. [2019-11-26 02:19:46,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:19:46,623 INFO L93 Difference]: Finished difference Result 82 states and 106 transitions. [2019-11-26 02:19:46,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:19:46,624 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-26 02:19:46,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:19:46,625 INFO L225 Difference]: With dead ends: 82 [2019-11-26 02:19:46,627 INFO L226 Difference]: Without dead ends: 55 [2019-11-26 02:19:46,628 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 02:19:46,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-26 02:19:46,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-11-26 02:19:46,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-26 02:19:46,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2019-11-26 02:19:46,643 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 8 [2019-11-26 02:19:46,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:19:46,644 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2019-11-26 02:19:46,644 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:19:46,644 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2019-11-26 02:19:46,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-26 02:19:46,646 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:19:46,646 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:19:46,646 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:19:46,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:19:46,647 INFO L82 PathProgramCache]: Analyzing trace with hash 1817512711, now seen corresponding path program 1 times [2019-11-26 02:19:46,648 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:19:46,648 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027105919] [2019-11-26 02:19:46,648 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:19:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:19:46,794 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 02:19:46,794 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027105919] [2019-11-26 02:19:46,794 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:19:46,795 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:19:46,795 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514802889] [2019-11-26 02:19:46,795 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:19:46,795 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:19:46,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:19:46,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:19:46,796 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand 3 states. [2019-11-26 02:19:46,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:19:46,858 INFO L93 Difference]: Finished difference Result 55 states and 78 transitions. [2019-11-26 02:19:46,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:19:46,858 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-11-26 02:19:46,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:19:46,859 INFO L225 Difference]: With dead ends: 55 [2019-11-26 02:19:46,859 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:19:46,859 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 02:19:46,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:19:46,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:19:46,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:19:46,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:19:46,860 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2019-11-26 02:19:46,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:19:46,861 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:19:46,861 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:19:46,861 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:19:46,861 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:19:46,865 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:19:46,918 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 450) no Hoare annotation was computed. [2019-11-26 02:19:46,918 INFO L444 ceAbstractionStarter]: For program point L522(lines 521 691) no Hoare annotation was computed. [2019-11-26 02:19:46,918 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 450) no Hoare annotation was computed. [2019-11-26 02:19:46,918 INFO L444 ceAbstractionStarter]: For program point L529(lines 529 690) no Hoare annotation was computed. [2019-11-26 02:19:46,918 INFO L447 ceAbstractionStarter]: At program point L533(lines 533 540) the Hoare annotation is: true [2019-11-26 02:19:46,919 INFO L447 ceAbstractionStarter]: At program point L542(lines 529 690) the Hoare annotation is: true [2019-11-26 02:19:46,919 INFO L444 ceAbstractionStarter]: For program point L547(lines 547 551) no Hoare annotation was computed. [2019-11-26 02:19:46,919 INFO L447 ceAbstractionStarter]: At program point L553(lines 543 689) the Hoare annotation is: true [2019-11-26 02:19:46,919 INFO L440 ceAbstractionStarter]: At program point L1876(lines 1876 1884) the Hoare annotation is: (<= 1 ULTIMATE.start___utac_acc__EncryptVerify_spec__1_~tmp~9) [2019-11-26 02:19:46,919 INFO L447 ceAbstractionStarter]: At program point L558(lines 558 565) the Hoare annotation is: true [2019-11-26 02:19:46,919 INFO L447 ceAbstractionStarter]: At program point L567(lines 554 688) the Hoare annotation is: true [2019-11-26 02:19:46,919 INFO L447 ceAbstractionStarter]: At program point L572(lines 572 579) the Hoare annotation is: true [2019-11-26 02:19:46,919 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 450) no Hoare annotation was computed. [2019-11-26 02:19:46,919 INFO L447 ceAbstractionStarter]: At program point L581(lines 568 687) the Hoare annotation is: true [2019-11-26 02:19:46,919 INFO L447 ceAbstractionStarter]: At program point L586(lines 586 593) the Hoare annotation is: true [2019-11-26 02:19:46,919 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:19:46,920 INFO L447 ceAbstractionStarter]: At program point L595(lines 582 686) the Hoare annotation is: true [2019-11-26 02:19:46,920 INFO L447 ceAbstractionStarter]: At program point L600(lines 600 607) the Hoare annotation is: true [2019-11-26 02:19:46,920 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 450) no Hoare annotation was computed. [2019-11-26 02:19:46,920 INFO L447 ceAbstractionStarter]: At program point L609(lines 596 685) the Hoare annotation is: true [2019-11-26 02:19:46,920 INFO L447 ceAbstractionStarter]: At program point L1932(lines 1932 1939) the Hoare annotation is: true [2019-11-26 02:19:46,920 INFO L447 ceAbstractionStarter]: At program point L1932-1(lines 1932 1939) the Hoare annotation is: true [2019-11-26 02:19:46,920 INFO L447 ceAbstractionStarter]: At program point L614(lines 614 621) the Hoare annotation is: true [2019-11-26 02:19:46,920 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-26 02:19:46,920 INFO L447 ceAbstractionStarter]: At program point L623(lines 610 684) the Hoare annotation is: true [2019-11-26 02:19:46,920 INFO L447 ceAbstractionStarter]: At program point L628(lines 628 635) the Hoare annotation is: true [2019-11-26 02:19:46,920 INFO L447 ceAbstractionStarter]: At program point L637(lines 624 683) the Hoare annotation is: true [2019-11-26 02:19:46,920 INFO L447 ceAbstractionStarter]: At program point L642(lines 642 649) the Hoare annotation is: true [2019-11-26 02:19:46,921 INFO L447 ceAbstractionStarter]: At program point L651(lines 638 682) the Hoare annotation is: true [2019-11-26 02:19:46,921 INFO L447 ceAbstractionStarter]: At program point L656(lines 656 663) the Hoare annotation is: true [2019-11-26 02:19:46,921 INFO L447 ceAbstractionStarter]: At program point L129(lines 129 148) the Hoare annotation is: true [2019-11-26 02:19:46,921 INFO L440 ceAbstractionStarter]: At program point L129-1(lines 129 148) the Hoare annotation is: (<= 1 ULTIMATE.start___utac_acc__EncryptVerify_spec__1_~tmp~9) [2019-11-26 02:19:46,921 INFO L447 ceAbstractionStarter]: At program point L665(lines 652 681) the Hoare annotation is: true [2019-11-26 02:19:46,921 INFO L447 ceAbstractionStarter]: At program point L670(lines 670 677) the Hoare annotation is: true [2019-11-26 02:19:46,921 INFO L447 ceAbstractionStarter]: At program point L670-1(lines 521 691) the Hoare annotation is: true [2019-11-26 02:19:46,921 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 450) no Hoare annotation was computed. [2019-11-26 02:19:46,921 INFO L447 ceAbstractionStarter]: At program point L692(lines 520 693) the Hoare annotation is: true [2019-11-26 02:19:46,921 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 450) no Hoare annotation was computed. [2019-11-26 02:19:46,921 INFO L444 ceAbstractionStarter]: For program point L708(lines 708 714) no Hoare annotation was computed. [2019-11-26 02:19:46,922 INFO L444 ceAbstractionStarter]: For program point L708-2(lines 708 714) no Hoare annotation was computed. [2019-11-26 02:19:46,922 INFO L444 ceAbstractionStarter]: For program point L708-4(lines 708 714) no Hoare annotation was computed. [2019-11-26 02:19:46,922 INFO L444 ceAbstractionStarter]: For program point L708-6(lines 708 714) no Hoare annotation was computed. [2019-11-26 02:19:46,922 INFO L444 ceAbstractionStarter]: For program point L708-8(lines 708 714) no Hoare annotation was computed. [2019-11-26 02:19:46,922 INFO L444 ceAbstractionStarter]: For program point L708-10(lines 708 714) no Hoare annotation was computed. [2019-11-26 02:19:46,922 INFO L444 ceAbstractionStarter]: For program point L450(line 450) no Hoare annotation was computed. [2019-11-26 02:19:46,922 INFO L444 ceAbstractionStarter]: For program point L450-1(line 450) no Hoare annotation was computed. [2019-11-26 02:19:46,922 INFO L444 ceAbstractionStarter]: For program point L450-2(line 450) no Hoare annotation was computed. [2019-11-26 02:19:46,922 INFO L444 ceAbstractionStarter]: For program point L450-3(line 450) no Hoare annotation was computed. [2019-11-26 02:19:46,922 INFO L444 ceAbstractionStarter]: For program point L450-4(line 450) no Hoare annotation was computed. [2019-11-26 02:19:46,922 INFO L444 ceAbstractionStarter]: For program point L450-5(line 450) no Hoare annotation was computed. [2019-11-26 02:19:46,922 INFO L440 ceAbstractionStarter]: At program point L451(lines 701 717) the Hoare annotation is: (<= 1 ULTIMATE.start___utac_acc__EncryptVerify_spec__1_~tmp~9) [2019-11-26 02:19:46,922 INFO L440 ceAbstractionStarter]: At program point L451-1(lines 701 717) the Hoare annotation is: (<= 1 ULTIMATE.start___utac_acc__EncryptVerify_spec__1_~tmp~9) [2019-11-26 02:19:46,922 INFO L440 ceAbstractionStarter]: At program point L451-2(lines 701 717) the Hoare annotation is: (<= 1 ULTIMATE.start___utac_acc__EncryptVerify_spec__1_~tmp~9) [2019-11-26 02:19:46,923 INFO L440 ceAbstractionStarter]: At program point L451-3(lines 701 717) the Hoare annotation is: (<= 1 ULTIMATE.start___utac_acc__EncryptVerify_spec__1_~tmp~9) [2019-11-26 02:19:46,923 INFO L447 ceAbstractionStarter]: At program point L451-4(lines 701 717) the Hoare annotation is: true [2019-11-26 02:19:46,923 INFO L447 ceAbstractionStarter]: At program point L451-5(lines 701 717) the Hoare annotation is: true [2019-11-26 02:19:46,923 INFO L440 ceAbstractionStarter]: At program point L193-5(lines 230 242) the Hoare annotation is: (<= 1 ULTIMATE.start___utac_acc__EncryptVerify_spec__1_~tmp~9) [2019-11-26 02:19:46,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:19:46 BoogieIcfgContainer [2019-11-26 02:19:46,934 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:19:46,935 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:19:46,935 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:19:46,935 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:19:46,935 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:19:45" (3/4) ... [2019-11-26 02:19:46,939 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:19:46,999 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 996 nodes and edges [2019-11-26 02:19:47,010 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 244 nodes and edges [2019-11-26 02:19:47,021 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2019-11-26 02:19:47,030 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-26 02:19:47,034 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:19:47,039 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:19:47,405 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_bbb9e893-f0c6-4da2-910c-f0b24cc1cf58/bin/utaipan/witness.graphml [2019-11-26 02:19:47,406 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:19:47,408 INFO L168 Benchmark]: Toolchain (without parser) took 16151.49 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 553.1 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -176.9 MB). Peak memory consumption was 376.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:19:47,408 INFO L168 Benchmark]: CDTParser took 0.30 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 02:19:47,409 INFO L168 Benchmark]: CACSL2BoogieTranslator took 909.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -153.5 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:19:47,409 INFO L168 Benchmark]: Boogie Procedure Inliner took 159.90 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: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:19:47,409 INFO L168 Benchmark]: Boogie Preprocessor took 143.58 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:19:47,410 INFO L168 Benchmark]: RCFGBuilder took 13494.80 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 400.6 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -249.5 MB). Peak memory consumption was 660.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:19:47,410 INFO L168 Benchmark]: TraceAbstraction took 966.59 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 94.2 MB). Peak memory consumption was 94.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:19:47,411 INFO L168 Benchmark]: Witness Printer took 471.39 ms. Allocated memory is still 1.6 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 98.3 MB). Peak memory consumption was 98.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:19:47,413 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 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 909.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -153.5 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 159.90 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: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 143.58 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 13494.80 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 400.6 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -249.5 MB). Peak memory consumption was 660.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 966.59 ms. Allocated memory is still 1.6 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 94.2 MB). Peak memory consumption was 94.2 MB. Max. memory is 11.5 GB. * Witness Printer took 471.39 ms. Allocated memory is still 1.6 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 98.3 MB). Peak memory consumption was 98.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 450]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 450]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 450]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 450]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 450]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 450]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 652]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: 1 <= tmp - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: 1 <= tmp - InvariantResult [Line: 1932]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: 1 <= tmp - InvariantResult [Line: 1932]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: 1 <= tmp - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1876]: Loop Invariant Derived loop invariant: 1 <= tmp - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 1 <= tmp - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 572]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 614]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 656]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 568]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 558]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 642]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 554]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: 1 <= tmp - InvariantResult [Line: 596]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 520]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 628]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 670]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 521]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 57 locations, 6 error locations. Result: SAFE, OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 218 SDtfs, 8 SDslu, 123 SDs, 0 SdLazy, 7 SolverSat, 10 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=57occurred 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, 35 LocationsWithAnnotation, 35 PreInvPairs, 48 NumberOfFragments, 49 HoareAnnotationTreeSize, 35 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 35 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...