./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec11_product03.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_0d9ef449-4b9e-4388-af74-2c303f25edf5/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0d9ef449-4b9e-4388-af74-2c303f25edf5/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0d9ef449-4b9e-4388-af74-2c303f25edf5/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0d9ef449-4b9e-4388-af74-2c303f25edf5/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec11_product03.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0d9ef449-4b9e-4388-af74-2c303f25edf5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0d9ef449-4b9e-4388-af74-2c303f25edf5/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 cdb705451c6fea738760a6b9963fc72ac4c0d764 ................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 02:39:39,314 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:39:39,316 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:39:39,329 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:39:39,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:39:39,331 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:39:39,333 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:39:39,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:39:39,346 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:39:39,350 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:39:39,351 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:39:39,352 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:39:39,352 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:39:39,354 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:39:39,355 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:39:39,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:39:39,357 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:39:39,358 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:39:39,360 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:39:39,364 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:39:39,367 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:39:39,370 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:39:39,372 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:39:39,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:39:39,375 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:39:39,376 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:39:39,376 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:39:39,377 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:39:39,378 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:39:39,379 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:39:39,379 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:39:39,380 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:39:39,381 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:39:39,381 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:39:39,382 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:39:39,382 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:39:39,383 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:39:39,383 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:39:39,383 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:39:39,384 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:39:39,385 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:39:39,386 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0d9ef449-4b9e-4388-af74-2c303f25edf5/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:39:39,410 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:39:39,410 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:39:39,411 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:39:39,411 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:39:39,411 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:39:39,411 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:39:39,411 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:39:39,411 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:39:39,412 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:39:39,412 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:39:39,412 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:39:39,412 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:39:39,412 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:39:39,413 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:39:39,413 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:39:39,413 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:39:39,413 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:39:39,414 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:39:39,414 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:39:39,414 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:39:39,414 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:39:39,414 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:39:39,414 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:39:39,415 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:39:39,415 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:39:39,415 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:39:39,415 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:39:39,415 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:39:39,416 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:39:39,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:39:39,416 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:39:39,427 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:39:39,427 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:39:39,427 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:39:39,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:39:39,428 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:39:39,428 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:39:39,428 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_0d9ef449-4b9e-4388-af74-2c303f25edf5/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 -> cdb705451c6fea738760a6b9963fc72ac4c0d764 [2019-11-26 02:39:39,599 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:39:39,614 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:39:39,617 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:39:39,618 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:39:39,619 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:39:39,619 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0d9ef449-4b9e-4388-af74-2c303f25edf5/bin/utaipan/../../sv-benchmarks/c/product-lines/email_spec11_product03.cil.c [2019-11-26 02:39:39,677 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0d9ef449-4b9e-4388-af74-2c303f25edf5/bin/utaipan/data/ca79e993c/a7f1ab9f4905478eb539c3334a8637aa/FLAG73e7d24f3 [2019-11-26 02:39:40,171 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:39:40,172 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0d9ef449-4b9e-4388-af74-2c303f25edf5/sv-benchmarks/c/product-lines/email_spec11_product03.cil.c [2019-11-26 02:39:40,201 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0d9ef449-4b9e-4388-af74-2c303f25edf5/bin/utaipan/data/ca79e993c/a7f1ab9f4905478eb539c3334a8637aa/FLAG73e7d24f3 [2019-11-26 02:39:40,493 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0d9ef449-4b9e-4388-af74-2c303f25edf5/bin/utaipan/data/ca79e993c/a7f1ab9f4905478eb539c3334a8637aa [2019-11-26 02:39:40,496 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:39:40,498 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:39:40,507 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:39:40,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:39:40,511 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:39:40,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:39:40" (1/1) ... [2019-11-26 02:39:40,514 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@142503a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:40, skipping insertion in model container [2019-11-26 02:39:40,514 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:39:40" (1/1) ... [2019-11-26 02:39:40,521 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:39:40,604 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:39:41,220 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:39:41,235 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:39:41,327 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:39:41,385 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:39:41,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:41 WrapperNode [2019-11-26 02:39:41,385 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:39:41,386 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:39:41,386 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:39:41,387 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:39:41,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:41" (1/1) ... [2019-11-26 02:39:41,418 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:41" (1/1) ... [2019-11-26 02:39:41,467 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:39:41,467 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:39:41,467 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:39:41,468 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:39:41,486 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:41" (1/1) ... [2019-11-26 02:39:41,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:41" (1/1) ... [2019-11-26 02:39:41,491 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:41" (1/1) ... [2019-11-26 02:39:41,492 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:41" (1/1) ... [2019-11-26 02:39:41,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:41" (1/1) ... [2019-11-26 02:39:41,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:41" (1/1) ... [2019-11-26 02:39:41,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:41" (1/1) ... [2019-11-26 02:39:41,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:39:41,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:39:41,529 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:39:41,529 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:39:41,530 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0d9ef449-4b9e-4388-af74-2c303f25edf5/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 02:39:41,612 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-26 02:39:41,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:39:41,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:39:41,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:39:41,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:39:43,550 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:39:43,551 INFO L284 CfgBuilder]: Removed 111 assume(true) statements. [2019-11-26 02:39:43,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:39:43 BoogieIcfgContainer [2019-11-26 02:39:43,552 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:39:43,553 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:39:43,553 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:39:43,556 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:39:43,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:39:40" (1/3) ... [2019-11-26 02:39:43,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d9118c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:39:43, skipping insertion in model container [2019-11-26 02:39:43,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:39:41" (2/3) ... [2019-11-26 02:39:43,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d9118c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:39:43, skipping insertion in model container [2019-11-26 02:39:43,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:39:43" (3/3) ... [2019-11-26 02:39:43,559 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product03.cil.c [2019-11-26 02:39:43,567 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:39:43,573 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-11-26 02:39:43,584 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-11-26 02:39:43,607 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:39:43,607 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:39:43,608 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:39:43,608 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:39:43,608 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:39:43,608 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:39:43,609 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:39:43,609 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:39:43,626 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2019-11-26 02:39:43,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:39:43,632 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:39:43,632 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:39:43,633 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:39:43,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:39:43,639 INFO L82 PathProgramCache]: Analyzing trace with hash 1501197063, now seen corresponding path program 1 times [2019-11-26 02:39:43,650 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:39:43,650 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257427033] [2019-11-26 02:39:43,651 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:39:43,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:39:43,992 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 02:39:43,993 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257427033] [2019-11-26 02:39:43,994 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:39:43,994 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:39:43,995 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310687774] [2019-11-26 02:39:43,999 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-26 02:39:44,000 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:39:44,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-26 02:39:44,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:39:44,014 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 2 states. [2019-11-26 02:39:44,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:39:44,036 INFO L93 Difference]: Finished difference Result 56 states and 89 transitions. [2019-11-26 02:39:44,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-26 02:39:44,038 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2019-11-26 02:39:44,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:39:44,050 INFO L225 Difference]: With dead ends: 56 [2019-11-26 02:39:44,051 INFO L226 Difference]: Without dead ends: 38 [2019-11-26 02:39:44,054 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 02:39:44,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-11-26 02:39:44,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2019-11-26 02:39:44,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2019-11-26 02:39:44,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 61 transitions. [2019-11-26 02:39:44,095 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 61 transitions. Word has length 7 [2019-11-26 02:39:44,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:39:44,095 INFO L462 AbstractCegarLoop]: Abstraction has 38 states and 61 transitions. [2019-11-26 02:39:44,095 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-26 02:39:44,095 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2019-11-26 02:39:44,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:39:44,096 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:39:44,096 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:39:44,097 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:39:44,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:39:44,097 INFO L82 PathProgramCache]: Analyzing trace with hash -1385580587, now seen corresponding path program 1 times [2019-11-26 02:39:44,097 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:39:44,098 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598437252] [2019-11-26 02:39:44,098 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:39:44,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:39:44,203 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 02:39:44,203 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598437252] [2019-11-26 02:39:44,203 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:39:44,203 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:39:44,204 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438338121] [2019-11-26 02:39:44,205 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:39:44,205 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:39:44,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:39:44,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:39:44,206 INFO L87 Difference]: Start difference. First operand 38 states and 61 transitions. Second operand 3 states. [2019-11-26 02:39:44,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:39:44,218 INFO L93 Difference]: Finished difference Result 52 states and 76 transitions. [2019-11-26 02:39:44,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:39:44,219 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-26 02:39:44,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:39:44,220 INFO L225 Difference]: With dead ends: 52 [2019-11-26 02:39:44,221 INFO L226 Difference]: Without dead ends: 40 [2019-11-26 02:39:44,222 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 02:39:44,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-11-26 02:39:44,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-11-26 02:39:44,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-26 02:39:44,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 63 transitions. [2019-11-26 02:39:44,229 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 63 transitions. Word has length 8 [2019-11-26 02:39:44,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:39:44,229 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 63 transitions. [2019-11-26 02:39:44,230 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:39:44,230 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 63 transitions. [2019-11-26 02:39:44,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-26 02:39:44,231 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:39:44,231 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:39:44,231 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:39:44,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:39:44,232 INFO L82 PathProgramCache]: Analyzing trace with hash 1037344442, now seen corresponding path program 1 times [2019-11-26 02:39:44,232 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:39:44,232 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754071542] [2019-11-26 02:39:44,232 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:39:44,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:39:44,307 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 02:39:44,308 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754071542] [2019-11-26 02:39:44,308 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:39:44,308 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:39:44,308 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143472459] [2019-11-26 02:39:44,309 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:39:44,309 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:39:44,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:39:44,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:39:44,309 INFO L87 Difference]: Start difference. First operand 40 states and 63 transitions. Second operand 3 states. [2019-11-26 02:39:44,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:39:44,320 INFO L93 Difference]: Finished difference Result 43 states and 66 transitions. [2019-11-26 02:39:44,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:39:44,321 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-11-26 02:39:44,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:39:44,321 INFO L225 Difference]: With dead ends: 43 [2019-11-26 02:39:44,321 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:39:44,322 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 02:39:44,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:39:44,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:39:44,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:39:44,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:39:44,323 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2019-11-26 02:39:44,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:39:44,323 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:39:44,323 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:39:44,324 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:39:44,324 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:39:44,328 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:39:44,365 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 1019) no Hoare annotation was computed. [2019-11-26 02:39:44,365 INFO L444 ceAbstractionStarter]: For program point L335(lines 335 339) no Hoare annotation was computed. [2019-11-26 02:39:44,365 INFO L444 ceAbstractionStarter]: For program point L302(lines 302 306) no Hoare annotation was computed. [2019-11-26 02:39:44,365 INFO L444 ceAbstractionStarter]: For program point L269(lines 269 273) no Hoare annotation was computed. [2019-11-26 02:39:44,366 INFO L447 ceAbstractionStarter]: At program point L897(lines 897 903) the Hoare annotation is: true [2019-11-26 02:39:44,366 INFO L447 ceAbstractionStarter]: At program point L897-1(lines 1 2544) the Hoare annotation is: true [2019-11-26 02:39:44,366 INFO L447 ceAbstractionStarter]: At program point L897-2(lines 897 903) the Hoare annotation is: true [2019-11-26 02:39:44,366 INFO L447 ceAbstractionStarter]: At program point L171(lines 171 178) the Hoare annotation is: true [2019-11-26 02:39:44,366 INFO L447 ceAbstractionStarter]: At program point L171-1(lines 171 178) the Hoare annotation is: true [2019-11-26 02:39:44,366 INFO L444 ceAbstractionStarter]: For program point L240(lines 240 374) no Hoare annotation was computed. [2019-11-26 02:39:44,367 INFO L447 ceAbstractionStarter]: At program point L341(lines 331 366) the Hoare annotation is: true [2019-11-26 02:39:44,367 INFO L447 ceAbstractionStarter]: At program point L308(lines 298 369) the Hoare annotation is: true [2019-11-26 02:39:44,367 INFO L447 ceAbstractionStarter]: At program point L275(lines 265 372) the Hoare annotation is: true [2019-11-26 02:39:44,367 INFO L447 ceAbstractionStarter]: At program point L376(lines 231 377) the Hoare annotation is: true [2019-11-26 02:39:44,367 INFO L444 ceAbstractionStarter]: For program point L244(lines 244 248) no Hoare annotation was computed. [2019-11-26 02:39:44,367 INFO L444 ceAbstractionStarter]: For program point L1004(lines 1004 1010) no Hoare annotation was computed. [2019-11-26 02:39:44,367 INFO L444 ceAbstractionStarter]: For program point L1004-2(lines 1004 1010) no Hoare annotation was computed. [2019-11-26 02:39:44,368 INFO L444 ceAbstractionStarter]: For program point L346(lines 346 350) no Hoare annotation was computed. [2019-11-26 02:39:44,368 INFO L444 ceAbstractionStarter]: For program point L313(lines 313 317) no Hoare annotation was computed. [2019-11-26 02:39:44,368 INFO L444 ceAbstractionStarter]: For program point L280(lines 280 284) no Hoare annotation was computed. [2019-11-26 02:39:44,368 INFO L447 ceAbstractionStarter]: At program point L115(lines 115 123) the Hoare annotation is: true [2019-11-26 02:39:44,368 INFO L447 ceAbstractionStarter]: At program point L250(lines 240 374) the Hoare annotation is: true [2019-11-26 02:39:44,368 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-26 02:39:44,404 INFO L447 ceAbstractionStarter]: At program point L352(lines 342 365) the Hoare annotation is: true [2019-11-26 02:39:44,404 INFO L447 ceAbstractionStarter]: At program point L319(lines 309 368) the Hoare annotation is: true [2019-11-26 02:39:44,405 INFO L447 ceAbstractionStarter]: At program point L286(lines 276 371) the Hoare annotation is: true [2019-11-26 02:39:44,405 INFO L447 ceAbstractionStarter]: At program point L255(lines 255 262) the Hoare annotation is: true [2019-11-26 02:39:44,405 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:39:44,405 INFO L444 ceAbstractionStarter]: For program point L357(lines 357 361) no Hoare annotation was computed. [2019-11-26 02:39:44,405 INFO L444 ceAbstractionStarter]: For program point L324(lines 324 328) no Hoare annotation was computed. [2019-11-26 02:39:44,405 INFO L447 ceAbstractionStarter]: At program point L357-1(lines 232 375) the Hoare annotation is: true [2019-11-26 02:39:44,405 INFO L444 ceAbstractionStarter]: For program point L291(lines 291 295) no Hoare annotation was computed. [2019-11-26 02:39:44,405 INFO L444 ceAbstractionStarter]: For program point L1019(line 1019) no Hoare annotation was computed. [2019-11-26 02:39:44,405 INFO L444 ceAbstractionStarter]: For program point L1019-1(line 1019) no Hoare annotation was computed. [2019-11-26 02:39:44,406 INFO L440 ceAbstractionStarter]: At program point L1020(lines 996 1013) the Hoare annotation is: (= ULTIMATE.start___utac_acc__DecryptAutoResponder_spec__1_~tmp~9 1) [2019-11-26 02:39:44,406 INFO L447 ceAbstractionStarter]: At program point L1020-1(lines 996 1013) the Hoare annotation is: true [2019-11-26 02:39:44,406 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1019) no Hoare annotation was computed. [2019-11-26 02:39:44,406 INFO L447 ceAbstractionStarter]: At program point L330(lines 320 367) the Hoare annotation is: true [2019-11-26 02:39:44,406 INFO L447 ceAbstractionStarter]: At program point L297(lines 287 370) the Hoare annotation is: true [2019-11-26 02:39:44,406 INFO L447 ceAbstractionStarter]: At program point L264(lines 251 373) the Hoare annotation is: true [2019-11-26 02:39:44,406 INFO L444 ceAbstractionStarter]: For program point L233(lines 232 375) no Hoare annotation was computed. [2019-11-26 02:39:44,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:39:44 BoogieIcfgContainer [2019-11-26 02:39:44,435 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:39:44,436 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:39:44,437 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:39:44,437 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:39:44,437 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:39:43" (3/4) ... [2019-11-26 02:39:44,441 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:39:44,473 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 121 nodes and edges [2019-11-26 02:39:44,474 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2019-11-26 02:39:44,476 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-26 02:39:44,479 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:39:44,480 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:39:44,482 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:39:44,666 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0d9ef449-4b9e-4388-af74-2c303f25edf5/bin/utaipan/witness.graphml [2019-11-26 02:39:44,666 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:39:44,668 INFO L168 Benchmark]: Toolchain (without parser) took 4169.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 215.0 MB). Free memory was 943.4 MB in the beginning and 1.2 GB in the end (delta: -226.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:39:44,668 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:39:44,669 INFO L168 Benchmark]: CACSL2BoogieTranslator took 878.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -125.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:39:44,669 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.02 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:39:44,670 INFO L168 Benchmark]: Boogie Preprocessor took 60.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:39:44,670 INFO L168 Benchmark]: RCFGBuilder took 2023.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 836.4 MB in the end (delta: 218.6 MB). Peak memory consumption was 218.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:39:44,671 INFO L168 Benchmark]: TraceAbstraction took 883.31 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 99.6 MB). Free memory was 829.5 MB in the beginning and 1.2 GB in the end (delta: -360.5 MB). Peak memory consumption was 76.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:39:44,671 INFO L168 Benchmark]: Witness Printer took 229.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:39:44,673 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 878.49 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -125.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 81.02 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 60.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2023.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 836.4 MB in the end (delta: 218.6 MB). Peak memory consumption was 218.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 883.31 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 99.6 MB). Free memory was 829.5 MB in the beginning and 1.2 GB in the end (delta: -360.5 MB). Peak memory consumption was 76.5 MB. Max. memory is 11.5 GB. * Witness Printer took 229.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1019]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1019]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 232]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 265]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 276]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 287]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 897]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 298]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 996]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 41 locations, 2 error locations. Result: SAFE, OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 186 SDtfs, 4 SDslu, 111 SDs, 0 SdLazy, 4 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 22 LocationsWithAnnotation, 22 PreInvPairs, 34 NumberOfFragments, 24 HoareAnnotationTreeSize, 22 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 22 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s 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...