./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec11_product39.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_cb30ecdc-636e-4ddd-9dfa-bdc5a4dd0577/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_cb30ecdc-636e-4ddd-9dfa-bdc5a4dd0577/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cb30ecdc-636e-4ddd-9dfa-bdc5a4dd0577/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cb30ecdc-636e-4ddd-9dfa-bdc5a4dd0577/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec11_product39.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_cb30ecdc-636e-4ddd-9dfa-bdc5a4dd0577/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cb30ecdc-636e-4ddd-9dfa-bdc5a4dd0577/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 560e50dfb157bb91b27f372779222ff18c4acbb9 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:15:20,222 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:15:20,223 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:15:20,237 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:15:20,238 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:15:20,239 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:15:20,241 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:15:20,249 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:15:20,255 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:15:20,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:15:20,259 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:15:20,260 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:15:20,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:15:20,262 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:15:20,263 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:15:20,264 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:15:20,265 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:15:20,266 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:15:20,268 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:15:20,272 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:15:20,275 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:15:20,278 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:15:20,279 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:15:20,280 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:15:20,283 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:15:20,283 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:15:20,283 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:15:20,285 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:15:20,285 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:15:20,286 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:15:20,286 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:15:20,287 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:15:20,288 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:15:20,288 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:15:20,289 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:15:20,290 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:15:20,290 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:15:20,290 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:15:20,290 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:15:20,291 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:15:20,292 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:15:20,293 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cb30ecdc-636e-4ddd-9dfa-bdc5a4dd0577/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:15:20,317 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:15:20,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:15:20,317 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:15:20,318 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:15:20,318 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:15:20,318 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:15:20,318 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:15:20,318 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:15:20,318 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:15:20,319 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:15:20,319 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:15:20,319 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:15:20,319 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:15:20,319 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:15:20,319 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:15:20,320 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:15:20,320 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:15:20,320 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:15:20,321 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:15:20,321 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:15:20,321 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:15:20,321 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:15:20,321 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:15:20,321 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:15:20,322 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:15:20,322 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:15:20,322 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:15:20,322 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:15:20,322 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:15:20,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:15:20,323 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:15:20,323 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:15:20,323 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:15:20,323 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:15:20,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:15:20,324 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:15:20,324 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:15:20,324 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_cb30ecdc-636e-4ddd-9dfa-bdc5a4dd0577/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 -> 560e50dfb157bb91b27f372779222ff18c4acbb9 [2019-11-26 02:15:20,503 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:15:20,517 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:15:20,520 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:15:20,521 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:15:20,521 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:15:20,522 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cb30ecdc-636e-4ddd-9dfa-bdc5a4dd0577/bin/utaipan/../../sv-benchmarks/c/product-lines/email_spec11_product39.cil.c [2019-11-26 02:15:20,588 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cb30ecdc-636e-4ddd-9dfa-bdc5a4dd0577/bin/utaipan/data/ecfee6357/6f4fe56e1da34fd9b8decd02d7f25184/FLAG7e02b9900 [2019-11-26 02:15:21,201 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:15:21,202 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cb30ecdc-636e-4ddd-9dfa-bdc5a4dd0577/sv-benchmarks/c/product-lines/email_spec11_product39.cil.c [2019-11-26 02:15:21,220 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cb30ecdc-636e-4ddd-9dfa-bdc5a4dd0577/bin/utaipan/data/ecfee6357/6f4fe56e1da34fd9b8decd02d7f25184/FLAG7e02b9900 [2019-11-26 02:15:21,430 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cb30ecdc-636e-4ddd-9dfa-bdc5a4dd0577/bin/utaipan/data/ecfee6357/6f4fe56e1da34fd9b8decd02d7f25184 [2019-11-26 02:15:21,432 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:15:21,433 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:15:21,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:15:21,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:15:21,442 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:15:21,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:15:21" (1/1) ... [2019-11-26 02:15:21,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24e90a2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:21, skipping insertion in model container [2019-11-26 02:15:21,445 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:15:21" (1/1) ... [2019-11-26 02:15:21,451 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:15:21,529 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:15:22,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:15:22,185 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:15:22,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:15:22,377 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:15:22,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:22 WrapperNode [2019-11-26 02:15:22,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:15:22,379 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:15:22,379 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:15:22,379 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:15:22,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:22" (1/1) ... [2019-11-26 02:15:22,420 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:22" (1/1) ... [2019-11-26 02:15:22,537 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:15:22,539 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:15:22,539 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:15:22,539 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:15:22,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:22" (1/1) ... [2019-11-26 02:15:22,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:22" (1/1) ... [2019-11-26 02:15:22,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:22" (1/1) ... [2019-11-26 02:15:22,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:22" (1/1) ... [2019-11-26 02:15:22,630 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:22" (1/1) ... [2019-11-26 02:15:22,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:22" (1/1) ... [2019-11-26 02:15:22,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:22" (1/1) ... [2019-11-26 02:15:22,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:15:22,667 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:15:22,667 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:15:22,668 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:15:22,669 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb30ecdc-636e-4ddd-9dfa-bdc5a4dd0577/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 02:15:22,748 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-26 02:15:22,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:15:22,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:15:22,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:15:22,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:15:29,318 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:15:29,318 INFO L284 CfgBuilder]: Removed 373 assume(true) statements. [2019-11-26 02:15:29,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:15:29 BoogieIcfgContainer [2019-11-26 02:15:29,320 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:15:29,321 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:15:29,321 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:15:29,323 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:15:29,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:15:21" (1/3) ... [2019-11-26 02:15:29,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c15cab5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:15:29, skipping insertion in model container [2019-11-26 02:15:29,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:15:22" (2/3) ... [2019-11-26 02:15:29,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c15cab5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:15:29, skipping insertion in model container [2019-11-26 02:15:29,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:15:29" (3/3) ... [2019-11-26 02:15:29,326 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product39.cil.c [2019-11-26 02:15:29,334 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:15:29,339 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2019-11-26 02:15:29,348 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-11-26 02:15:29,367 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:15:29,368 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:15:29,368 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:15:29,368 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:15:29,368 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:15:29,368 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:15:29,368 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:15:29,368 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:15:29,381 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states. [2019-11-26 02:15:29,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:15:29,386 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:15:29,387 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:15:29,387 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 02:15:29,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:15:29,392 INFO L82 PathProgramCache]: Analyzing trace with hash 1350305563, now seen corresponding path program 1 times [2019-11-26 02:15:29,398 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:15:29,399 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576747146] [2019-11-26 02:15:29,399 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:15:29,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:15:29,721 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 02:15:29,721 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576747146] [2019-11-26 02:15:29,722 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:15:29,723 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:15:29,723 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837558234] [2019-11-26 02:15:29,728 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-26 02:15:29,728 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:15:29,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-26 02:15:29,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:15:29,743 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 2 states. [2019-11-26 02:15:29,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:15:29,776 INFO L93 Difference]: Finished difference Result 104 states and 157 transitions. [2019-11-26 02:15:29,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-26 02:15:29,778 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-11-26 02:15:29,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:15:29,792 INFO L225 Difference]: With dead ends: 104 [2019-11-26 02:15:29,792 INFO L226 Difference]: Without dead ends: 61 [2019-11-26 02:15:29,796 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 02:15:29,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2019-11-26 02:15:29,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2019-11-26 02:15:29,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2019-11-26 02:15:29,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 88 transitions. [2019-11-26 02:15:29,848 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 88 transitions. Word has length 8 [2019-11-26 02:15:29,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:15:29,849 INFO L462 AbstractCegarLoop]: Abstraction has 61 states and 88 transitions. [2019-11-26 02:15:29,849 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-26 02:15:29,849 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 88 transitions. [2019-11-26 02:15:29,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-26 02:15:29,850 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:15:29,850 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:15:29,851 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 02:15:29,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:15:29,851 INFO L82 PathProgramCache]: Analyzing trace with hash -1478889028, now seen corresponding path program 1 times [2019-11-26 02:15:29,852 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:15:29,852 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557212038] [2019-11-26 02:15:29,852 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:15:29,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:15:30,011 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 02:15:30,011 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557212038] [2019-11-26 02:15:30,011 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:15:30,011 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:15:30,012 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30224789] [2019-11-26 02:15:30,013 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:15:30,013 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:15:30,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:15:30,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:15:30,014 INFO L87 Difference]: Start difference. First operand 61 states and 88 transitions. Second operand 3 states. [2019-11-26 02:15:30,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:15:30,039 INFO L93 Difference]: Finished difference Result 98 states and 130 transitions. [2019-11-26 02:15:30,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:15:30,040 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-11-26 02:15:30,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:15:30,043 INFO L225 Difference]: With dead ends: 98 [2019-11-26 02:15:30,044 INFO L226 Difference]: Without dead ends: 63 [2019-11-26 02:15:30,045 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 02:15:30,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2019-11-26 02:15:30,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2019-11-26 02:15:30,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-11-26 02:15:30,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 90 transitions. [2019-11-26 02:15:30,064 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 90 transitions. Word has length 9 [2019-11-26 02:15:30,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:15:30,064 INFO L462 AbstractCegarLoop]: Abstraction has 63 states and 90 transitions. [2019-11-26 02:15:30,065 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:15:30,065 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2019-11-26 02:15:30,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-26 02:15:30,066 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:15:30,067 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:15:30,067 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 02:15:30,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:15:30,068 INFO L82 PathProgramCache]: Analyzing trace with hash -1432987527, now seen corresponding path program 1 times [2019-11-26 02:15:30,069 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:15:30,069 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374321243] [2019-11-26 02:15:30,069 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:15:30,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:15:30,226 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 02:15:30,226 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374321243] [2019-11-26 02:15:30,227 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:15:30,227 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:15:30,227 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687147250] [2019-11-26 02:15:30,227 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:15:30,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:15:30,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:15:30,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:15:30,228 INFO L87 Difference]: Start difference. First operand 63 states and 90 transitions. Second operand 3 states. [2019-11-26 02:15:30,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:15:30,357 INFO L93 Difference]: Finished difference Result 72 states and 102 transitions. [2019-11-26 02:15:30,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:15:30,358 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-11-26 02:15:30,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:15:30,358 INFO L225 Difference]: With dead ends: 72 [2019-11-26 02:15:30,358 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:15:30,359 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 02:15:30,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:15:30,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:15:30,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:15:30,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:15:30,360 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2019-11-26 02:15:30,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:15:30,361 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:15:30,361 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:15:30,361 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:15:30,361 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:15:30,365 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:15:30,456 INFO L447 ceAbstractionStarter]: At program point L2613(lines 2600 2746) the Hoare annotation is: true [2019-11-26 02:15:30,456 INFO L447 ceAbstractionStarter]: At program point L2350(lines 2350 2369) the Hoare annotation is: true [2019-11-26 02:15:30,456 INFO L447 ceAbstractionStarter]: At program point L2350-1(lines 2350 2369) the Hoare annotation is: true [2019-11-26 02:15:30,456 INFO L447 ceAbstractionStarter]: At program point L2749(lines 2577 2750) the Hoare annotation is: true [2019-11-26 02:15:30,457 INFO L447 ceAbstractionStarter]: At program point L2618(lines 2618 2625) the Hoare annotation is: true [2019-11-26 02:15:30,457 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 797) no Hoare annotation was computed. [2019-11-26 02:15:30,457 INFO L447 ceAbstractionStarter]: At program point L2627(lines 2614 2745) the Hoare annotation is: true [2019-11-26 02:15:30,457 INFO L447 ceAbstractionStarter]: At program point L2632(lines 2632 2639) the Hoare annotation is: true [2019-11-26 02:15:30,457 INFO L447 ceAbstractionStarter]: At program point L2641(lines 2628 2744) the Hoare annotation is: true [2019-11-26 02:15:30,457 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 797) no Hoare annotation was computed. [2019-11-26 02:15:30,458 INFO L447 ceAbstractionStarter]: At program point L2646(lines 2646 2653) the Hoare annotation is: true [2019-11-26 02:15:30,458 INFO L444 ceAbstractionStarter]: For program point L797(line 797) no Hoare annotation was computed. [2019-11-26 02:15:30,458 INFO L444 ceAbstractionStarter]: For program point L797-1(line 797) no Hoare annotation was computed. [2019-11-26 02:15:30,458 INFO L444 ceAbstractionStarter]: For program point L797-2(line 797) no Hoare annotation was computed. [2019-11-26 02:15:30,458 INFO L444 ceAbstractionStarter]: For program point L797-3(line 797) no Hoare annotation was computed. [2019-11-26 02:15:30,458 INFO L444 ceAbstractionStarter]: For program point L797-4(line 797) no Hoare annotation was computed. [2019-11-26 02:15:30,458 INFO L444 ceAbstractionStarter]: For program point L797-5(line 797) no Hoare annotation was computed. [2019-11-26 02:15:30,459 INFO L440 ceAbstractionStarter]: At program point L798(lines 408 425) the Hoare annotation is: (<= 1 ULTIMATE.start___utac_acc__DecryptAutoResponder_spec__1_~tmp~3) [2019-11-26 02:15:30,459 INFO L440 ceAbstractionStarter]: At program point L798-1(lines 408 425) the Hoare annotation is: (<= 1 ULTIMATE.start___utac_acc__DecryptAutoResponder_spec__1_~tmp~3) [2019-11-26 02:15:30,459 INFO L440 ceAbstractionStarter]: At program point L798-2(lines 408 425) the Hoare annotation is: (<= 1 ULTIMATE.start___utac_acc__DecryptAutoResponder_spec__1_~tmp~3) [2019-11-26 02:15:30,459 INFO L440 ceAbstractionStarter]: At program point L798-3(lines 408 425) the Hoare annotation is: (<= 1 ULTIMATE.start___utac_acc__DecryptAutoResponder_spec__1_~tmp~3) [2019-11-26 02:15:30,459 INFO L447 ceAbstractionStarter]: At program point L798-4(lines 408 425) the Hoare annotation is: true [2019-11-26 02:15:30,460 INFO L447 ceAbstractionStarter]: At program point L798-5(lines 408 425) the Hoare annotation is: true [2019-11-26 02:15:30,460 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 797) no Hoare annotation was computed. [2019-11-26 02:15:30,460 INFO L447 ceAbstractionStarter]: At program point L2655(lines 2642 2743) the Hoare annotation is: true [2019-11-26 02:15:30,460 INFO L444 ceAbstractionStarter]: For program point L2660(lines 2660 2664) no Hoare annotation was computed. [2019-11-26 02:15:30,460 INFO L444 ceAbstractionStarter]: For program point L416(lines 416 422) no Hoare annotation was computed. [2019-11-26 02:15:30,460 INFO L444 ceAbstractionStarter]: For program point L416-2(lines 416 422) no Hoare annotation was computed. [2019-11-26 02:15:30,460 INFO L444 ceAbstractionStarter]: For program point L416-4(lines 416 422) no Hoare annotation was computed. [2019-11-26 02:15:30,461 INFO L444 ceAbstractionStarter]: For program point L416-6(lines 416 422) no Hoare annotation was computed. [2019-11-26 02:15:30,461 INFO L444 ceAbstractionStarter]: For program point L416-8(lines 416 422) no Hoare annotation was computed. [2019-11-26 02:15:30,461 INFO L444 ceAbstractionStarter]: For program point L416-10(lines 416 422) no Hoare annotation was computed. [2019-11-26 02:15:30,461 INFO L447 ceAbstractionStarter]: At program point L2401-1(lines 2324 2335) the Hoare annotation is: true [2019-11-26 02:15:30,461 INFO L447 ceAbstractionStarter]: At program point L2401(lines 2401 2407) the Hoare annotation is: true [2019-11-26 02:15:30,461 INFO L447 ceAbstractionStarter]: At program point L2401-2(lines 2401 2407) the Hoare annotation is: true [2019-11-26 02:15:30,461 INFO L447 ceAbstractionStarter]: At program point L2401-5(lines 2426 2438) the Hoare annotation is: true [2019-11-26 02:15:30,462 INFO L447 ceAbstractionStarter]: At program point L2401-4(lines 2401 2407) the Hoare annotation is: true [2019-11-26 02:15:30,462 INFO L447 ceAbstractionStarter]: At program point L2401-7(lines 2324 2335) the Hoare annotation is: true [2019-11-26 02:15:30,462 INFO L447 ceAbstractionStarter]: At program point L2401-6(lines 2401 2407) the Hoare annotation is: true [2019-11-26 02:15:30,462 INFO L447 ceAbstractionStarter]: At program point L2401-8(lines 2401 2407) the Hoare annotation is: true [2019-11-26 02:15:30,462 INFO L447 ceAbstractionStarter]: At program point L2401-10(lines 2401 2407) the Hoare annotation is: true [2019-11-26 02:15:30,462 INFO L447 ceAbstractionStarter]: At program point L2666(lines 2656 2742) the Hoare annotation is: true [2019-11-26 02:15:30,463 INFO L447 ceAbstractionStarter]: At program point L2671(lines 2671 2678) the Hoare annotation is: true [2019-11-26 02:15:30,463 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 797) no Hoare annotation was computed. [2019-11-26 02:15:30,463 INFO L447 ceAbstractionStarter]: At program point L168(lines 168 176) the Hoare annotation is: true [2019-11-26 02:15:30,463 INFO L447 ceAbstractionStarter]: At program point L2680(lines 2667 2741) the Hoare annotation is: true [2019-11-26 02:15:30,463 INFO L447 ceAbstractionStarter]: At program point L2685(lines 2685 2692) the Hoare annotation is: true [2019-11-26 02:15:30,463 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 797) no Hoare annotation was computed. [2019-11-26 02:15:30,464 INFO L447 ceAbstractionStarter]: At program point L2694(lines 2681 2740) the Hoare annotation is: true [2019-11-26 02:15:30,464 INFO L447 ceAbstractionStarter]: At program point L2699(lines 2699 2706) the Hoare annotation is: true [2019-11-26 02:15:30,464 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:15:30,464 INFO L447 ceAbstractionStarter]: At program point L2708(lines 2695 2739) the Hoare annotation is: true [2019-11-26 02:15:30,464 INFO L444 ceAbstractionStarter]: For program point L2579(lines 2578 2748) no Hoare annotation was computed. [2019-11-26 02:15:30,464 INFO L447 ceAbstractionStarter]: At program point L2713(lines 2713 2720) the Hoare annotation is: true [2019-11-26 02:15:30,465 INFO L444 ceAbstractionStarter]: For program point L2586(lines 2586 2747) no Hoare annotation was computed. [2019-11-26 02:15:30,465 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 797) no Hoare annotation was computed. [2019-11-26 02:15:30,465 INFO L447 ceAbstractionStarter]: At program point L2722(lines 2709 2738) the Hoare annotation is: true [2019-11-26 02:15:30,465 INFO L447 ceAbstractionStarter]: At program point L2590(lines 2590 2597) the Hoare annotation is: true [2019-11-26 02:15:30,465 INFO L447 ceAbstractionStarter]: At program point L2727-1(lines 2578 2748) the Hoare annotation is: true [2019-11-26 02:15:30,465 INFO L447 ceAbstractionStarter]: At program point L2727(lines 2727 2734) the Hoare annotation is: true [2019-11-26 02:15:30,466 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-26 02:15:30,466 INFO L447 ceAbstractionStarter]: At program point L2599(lines 2586 2747) the Hoare annotation is: true [2019-11-26 02:15:30,466 INFO L447 ceAbstractionStarter]: At program point L224(lines 224 231) the Hoare annotation is: true [2019-11-26 02:15:30,466 INFO L447 ceAbstractionStarter]: At program point L224-1(lines 224 231) the Hoare annotation is: true [2019-11-26 02:15:30,466 INFO L447 ceAbstractionStarter]: At program point L2604(lines 2604 2611) the Hoare annotation is: true [2019-11-26 02:15:30,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:15:30 BoogieIcfgContainer [2019-11-26 02:15:30,487 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:15:30,488 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:15:30,488 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:15:30,488 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:15:30,489 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:15:29" (3/4) ... [2019-11-26 02:15:30,493 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:15:30,545 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 611 nodes and edges [2019-11-26 02:15:30,551 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 158 nodes and edges [2019-11-26 02:15:30,558 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2019-11-26 02:15:30,564 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-26 02:15:30,570 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:15:30,576 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:15:30,911 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_cb30ecdc-636e-4ddd-9dfa-bdc5a4dd0577/bin/utaipan/witness.graphml [2019-11-26 02:15:30,911 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:15:30,913 INFO L168 Benchmark]: Toolchain (without parser) took 9479.52 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 288.9 MB). Free memory was 946.1 MB in the beginning and 1.2 GB in the end (delta: -265.1 MB). Peak memory consumption was 476.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:15:30,913 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:15:30,914 INFO L168 Benchmark]: CACSL2BoogieTranslator took 944.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -116.5 MB). Peak memory consumption was 29.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:15:30,914 INFO L168 Benchmark]: Boogie Procedure Inliner took 159.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:15:30,915 INFO L168 Benchmark]: Boogie Preprocessor took 128.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:15:30,915 INFO L168 Benchmark]: RCFGBuilder took 6652.43 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 172.5 MB). Free memory was 1.0 GB in the beginning and 886.2 MB in the end (delta: 155.2 MB). Peak memory consumption was 394.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:15:30,915 INFO L168 Benchmark]: TraceAbstraction took 1166.69 ms. Allocated memory is still 1.3 GB. Free memory was 886.2 MB in the beginning and 797.9 MB in the end (delta: 88.3 MB). Peak memory consumption was 88.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:15:30,916 INFO L168 Benchmark]: Witness Printer took 423.43 ms. Allocated memory is still 1.3 GB. Free memory was 797.9 MB in the beginning and 1.2 GB in the end (delta: -413.2 MB). Peak memory consumption was 39.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:15:30,918 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 944.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -116.5 MB). Peak memory consumption was 29.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 159.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 128.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 6652.43 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 172.5 MB). Free memory was 1.0 GB in the beginning and 886.2 MB in the end (delta: 155.2 MB). Peak memory consumption was 394.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1166.69 ms. Allocated memory is still 1.3 GB. Free memory was 886.2 MB in the beginning and 797.9 MB in the end (delta: 88.3 MB). Peak memory consumption was 88.3 MB. Max. memory is 11.5 GB. * Witness Printer took 423.43 ms. Allocated memory is still 1.3 GB. Free memory was 797.9 MB in the beginning and 1.2 GB in the end (delta: -413.2 MB). Peak memory consumption was 39.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 797]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 797]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 797]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 797]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 797]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 797]: 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: 2614]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2713]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2401]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2401]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2709]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2667]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 224]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2695]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2401]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2401]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2426]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2324]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2671]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2618]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2350]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2350]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2699]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2646]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2401]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2604]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2642]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2401]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2656]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2324]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2590]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 <= tmp - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2586]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2727]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 <= tmp - InvariantResult [Line: 2577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2685]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2632]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 <= tmp - InvariantResult [Line: 2681]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2578]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2628]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 <= tmp - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 65 locations, 6 error locations. Result: SAFE, OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 268 SDtfs, 16 SDslu, 147 SDs, 0 SdLazy, 7 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s 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=65occurred 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, 43 LocationsWithAnnotation, 43 PreInvPairs, 73 NumberOfFragments, 51 HoareAnnotationTreeSize, 43 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 43 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 313 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...