./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec11_product27.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_d905ef47-a4b5-4aa9-a860-b1bc72754495/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d905ef47-a4b5-4aa9-a860-b1bc72754495/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d905ef47-a4b5-4aa9-a860-b1bc72754495/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d905ef47-a4b5-4aa9-a860-b1bc72754495/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec11_product27.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d905ef47-a4b5-4aa9-a860-b1bc72754495/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d905ef47-a4b5-4aa9-a860-b1bc72754495/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 22ecaac67eae0adcd09943f4693c3c9ae8464038 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:56:13,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:56:13,499 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:56:13,509 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:56:13,510 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:56:13,511 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:56:13,512 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:56:13,514 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:56:13,516 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:56:13,516 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:56:13,517 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:56:13,518 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:56:13,519 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:56:13,520 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:56:13,521 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:56:13,522 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:56:13,522 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:56:13,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:56:13,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:56:13,534 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:56:13,535 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:56:13,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:56:13,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:56:13,538 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:56:13,541 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:56:13,541 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:56:13,541 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:56:13,542 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:56:13,543 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:56:13,544 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:56:13,544 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:56:13,545 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:56:13,550 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:56:13,552 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:56:13,555 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:56:13,555 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:56:13,556 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:56:13,556 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:56:13,556 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:56:13,560 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:56:13,561 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:56:13,562 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d905ef47-a4b5-4aa9-a860-b1bc72754495/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:56:13,581 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:56:13,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:56:13,582 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:56:13,583 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:56:13,583 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:56:13,583 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:56:13,583 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:56:13,583 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:56:13,584 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:56:13,584 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:56:13,585 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:56:13,585 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:56:13,585 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:56:13,585 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:56:13,585 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:56:13,586 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:56:13,586 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:56:13,586 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:56:13,586 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:56:13,587 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:56:13,587 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:56:13,587 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:56:13,587 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:56:13,587 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:56:13,588 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:56:13,588 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:56:13,588 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:56:13,588 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:56:13,588 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:56:13,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:56:13,589 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:56:13,589 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:56:13,589 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:56:13,589 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:56:13,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:56:13,590 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:56:13,590 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:56:13,590 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_d905ef47-a4b5-4aa9-a860-b1bc72754495/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 -> 22ecaac67eae0adcd09943f4693c3c9ae8464038 [2019-11-26 02:56:13,771 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:56:13,780 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:56:13,782 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:56:13,783 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:56:13,784 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:56:13,784 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d905ef47-a4b5-4aa9-a860-b1bc72754495/bin/utaipan/../../sv-benchmarks/c/product-lines/email_spec11_product27.cil.c [2019-11-26 02:56:13,838 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d905ef47-a4b5-4aa9-a860-b1bc72754495/bin/utaipan/data/893bfef7b/2df9156dc6014a11933bc76968b044ce/FLAG1e0ad495b [2019-11-26 02:56:14,345 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:56:14,346 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d905ef47-a4b5-4aa9-a860-b1bc72754495/sv-benchmarks/c/product-lines/email_spec11_product27.cil.c [2019-11-26 02:56:14,365 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d905ef47-a4b5-4aa9-a860-b1bc72754495/bin/utaipan/data/893bfef7b/2df9156dc6014a11933bc76968b044ce/FLAG1e0ad495b [2019-11-26 02:56:14,645 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d905ef47-a4b5-4aa9-a860-b1bc72754495/bin/utaipan/data/893bfef7b/2df9156dc6014a11933bc76968b044ce [2019-11-26 02:56:14,647 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:56:14,648 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:56:14,649 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:56:14,649 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:56:14,652 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:56:14,653 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:56:14" (1/1) ... [2019-11-26 02:56:14,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43664afa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:56:14, skipping insertion in model container [2019-11-26 02:56:14,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:56:14" (1/1) ... [2019-11-26 02:56:14,663 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:56:14,741 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:56:15,311 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:56:15,322 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:56:15,450 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:56:15,555 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:56:15,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:56:15 WrapperNode [2019-11-26 02:56:15,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:56:15,557 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:56:15,557 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:56:15,557 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:56:15,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:56:15" (1/1) ... [2019-11-26 02:56:15,625 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:56:15" (1/1) ... [2019-11-26 02:56:15,784 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:56:15,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:56:15,784 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:56:15,785 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:56:15,794 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:56:15" (1/1) ... [2019-11-26 02:56:15,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:56:15" (1/1) ... [2019-11-26 02:56:15,819 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:56:15" (1/1) ... [2019-11-26 02:56:15,819 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:56:15" (1/1) ... [2019-11-26 02:56:15,870 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:56:15" (1/1) ... [2019-11-26 02:56:15,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:56:15" (1/1) ... [2019-11-26 02:56:15,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:56:15" (1/1) ... [2019-11-26 02:56:15,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:56:15,951 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:56:15,952 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:56:15,952 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:56:15,953 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:56:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d905ef47-a4b5-4aa9-a860-b1bc72754495/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 02:56:16,023 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-26 02:56:16,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:56:16,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:56:16,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:56:16,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:56:29,707 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:56:29,707 INFO L284 CfgBuilder]: Removed 685 assume(true) statements. [2019-11-26 02:56:29,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:56:29 BoogieIcfgContainer [2019-11-26 02:56:29,709 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:56:29,713 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:56:29,713 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:56:29,717 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:56:29,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:56:14" (1/3) ... [2019-11-26 02:56:29,718 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a0dd75c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:56:29, skipping insertion in model container [2019-11-26 02:56:29,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:56:15" (2/3) ... [2019-11-26 02:56:29,719 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a0dd75c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:56:29, skipping insertion in model container [2019-11-26 02:56:29,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:56:29" (3/3) ... [2019-11-26 02:56:29,723 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product27.cil.c [2019-11-26 02:56:29,732 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:56:29,740 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2019-11-26 02:56:29,751 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-11-26 02:56:29,775 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:56:29,776 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:56:29,776 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:56:29,776 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:56:29,776 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:56:29,776 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:56:29,777 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:56:29,777 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:56:29,795 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2019-11-26 02:56:29,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:56:29,802 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:56:29,802 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:56:29,803 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 02:56:29,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:56:29,809 INFO L82 PathProgramCache]: Analyzing trace with hash 1888059088, now seen corresponding path program 1 times [2019-11-26 02:56:29,819 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:56:29,819 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468835437] [2019-11-26 02:56:29,819 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:56:30,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:56:30,189 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 02:56:30,189 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468835437] [2019-11-26 02:56:30,190 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:56:30,191 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:56:30,192 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585188349] [2019-11-26 02:56:30,196 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-26 02:56:30,196 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:56:30,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-26 02:56:30,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:56:30,211 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2019-11-26 02:56:30,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:56:30,246 INFO L93 Difference]: Finished difference Result 112 states and 165 transitions. [2019-11-26 02:56:30,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-26 02:56:30,248 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-11-26 02:56:30,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:56:30,263 INFO L225 Difference]: With dead ends: 112 [2019-11-26 02:56:30,263 INFO L226 Difference]: Without dead ends: 63 [2019-11-26 02:56:30,267 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 02:56:30,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2019-11-26 02:56:30,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2019-11-26 02:56:30,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-11-26 02:56:30,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 90 transitions. [2019-11-26 02:56:30,309 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 90 transitions. Word has length 8 [2019-11-26 02:56:30,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:56:30,310 INFO L462 AbstractCegarLoop]: Abstraction has 63 states and 90 transitions. [2019-11-26 02:56:30,310 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-26 02:56:30,310 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2019-11-26 02:56:30,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-26 02:56:30,311 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:56:30,311 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:56:30,312 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 02:56:30,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:56:30,312 INFO L82 PathProgramCache]: Analyzing trace with hash 1015885387, now seen corresponding path program 1 times [2019-11-26 02:56:30,312 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:56:30,313 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830035340] [2019-11-26 02:56:30,313 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:56:30,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:56:30,427 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 02:56:30,428 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830035340] [2019-11-26 02:56:30,428 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:56:30,428 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:56:30,428 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263587536] [2019-11-26 02:56:30,430 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:56:30,430 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:56:30,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:56:30,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:56:30,431 INFO L87 Difference]: Start difference. First operand 63 states and 90 transitions. Second operand 3 states. [2019-11-26 02:56:30,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:56:30,450 INFO L93 Difference]: Finished difference Result 102 states and 134 transitions. [2019-11-26 02:56:30,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:56:30,451 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-11-26 02:56:30,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:56:30,452 INFO L225 Difference]: With dead ends: 102 [2019-11-26 02:56:30,453 INFO L226 Difference]: Without dead ends: 65 [2019-11-26 02:56:30,454 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 02:56:30,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-11-26 02:56:30,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-11-26 02:56:30,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-11-26 02:56:30,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 92 transitions. [2019-11-26 02:56:30,466 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 92 transitions. Word has length 9 [2019-11-26 02:56:30,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:56:30,467 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 92 transitions. [2019-11-26 02:56:30,467 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:56:30,467 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 92 transitions. [2019-11-26 02:56:30,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-26 02:56:30,468 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:56:30,469 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:56:30,469 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 02:56:30,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:56:30,470 INFO L82 PathProgramCache]: Analyzing trace with hash 51306541, now seen corresponding path program 1 times [2019-11-26 02:56:30,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:56:30,471 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098411684] [2019-11-26 02:56:30,471 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:56:30,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:56:30,653 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 02:56:30,653 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098411684] [2019-11-26 02:56:30,653 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:56:30,653 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:56:30,654 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788643338] [2019-11-26 02:56:30,654 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:56:30,654 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:56:30,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:56:30,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:56:30,655 INFO L87 Difference]: Start difference. First operand 65 states and 92 transitions. Second operand 3 states. [2019-11-26 02:56:30,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:56:30,704 INFO L93 Difference]: Finished difference Result 76 states and 106 transitions. [2019-11-26 02:56:30,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:56:30,705 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-11-26 02:56:30,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:56:30,706 INFO L225 Difference]: With dead ends: 76 [2019-11-26 02:56:30,706 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:56:30,707 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 02:56:30,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:56:30,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:56:30,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:56:30,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:56:30,707 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2019-11-26 02:56:30,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:56:30,708 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:56:30,708 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:56:30,708 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:56:30,708 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:56:30,712 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:56:30,782 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 1520) no Hoare annotation was computed. [2019-11-26 02:56:30,782 INFO L444 ceAbstractionStarter]: For program point L2377(lines 2376 2549) no Hoare annotation was computed. [2019-11-26 02:56:30,782 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1520) no Hoare annotation was computed. [2019-11-26 02:56:30,782 INFO L444 ceAbstractionStarter]: For program point L2384(lines 2384 2548) no Hoare annotation was computed. [2019-11-26 02:56:30,782 INFO L447 ceAbstractionStarter]: At program point L2388(lines 2388 2395) the Hoare annotation is: true [2019-11-26 02:56:30,783 INFO L447 ceAbstractionStarter]: At program point L2397(lines 2384 2548) the Hoare annotation is: true [2019-11-26 02:56:30,783 INFO L447 ceAbstractionStarter]: At program point L2402(lines 2402 2409) the Hoare annotation is: true [2019-11-26 02:56:30,783 INFO L447 ceAbstractionStarter]: At program point L2411(lines 2398 2547) the Hoare annotation is: true [2019-11-26 02:56:30,783 INFO L447 ceAbstractionStarter]: At program point L2416(lines 2416 2423) the Hoare annotation is: true [2019-11-26 02:56:30,783 INFO L447 ceAbstractionStarter]: At program point L2425(lines 2412 2546) the Hoare annotation is: true [2019-11-26 02:56:30,783 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 1520) no Hoare annotation was computed. [2019-11-26 02:56:30,784 INFO L447 ceAbstractionStarter]: At program point L2430(lines 2430 2437) the Hoare annotation is: true [2019-11-26 02:56:30,784 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:56:30,784 INFO L447 ceAbstractionStarter]: At program point L2439(lines 2426 2545) the Hoare annotation is: true [2019-11-26 02:56:30,784 INFO L447 ceAbstractionStarter]: At program point L2444(lines 2444 2451) the Hoare annotation is: true [2019-11-26 02:56:30,784 INFO L447 ceAbstractionStarter]: At program point L2453(lines 2440 2544) the Hoare annotation is: true [2019-11-26 02:56:30,784 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 1520) no Hoare annotation was computed. [2019-11-26 02:56:30,784 INFO L447 ceAbstractionStarter]: At program point L2458(lines 2458 2465) the Hoare annotation is: true [2019-11-26 02:56:30,785 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-26 02:56:30,785 INFO L447 ceAbstractionStarter]: At program point L2467(lines 2454 2543) the Hoare annotation is: true [2019-11-26 02:56:30,785 INFO L447 ceAbstractionStarter]: At program point L2472(lines 2472 2479) the Hoare annotation is: true [2019-11-26 02:56:30,785 INFO L447 ceAbstractionStarter]: At program point L2481(lines 2468 2542) the Hoare annotation is: true [2019-11-26 02:56:30,785 INFO L447 ceAbstractionStarter]: At program point L2486(lines 2486 2493) the Hoare annotation is: true [2019-11-26 02:56:30,785 INFO L447 ceAbstractionStarter]: At program point L2495(lines 2482 2541) the Hoare annotation is: true [2019-11-26 02:56:30,786 INFO L447 ceAbstractionStarter]: At program point L2500(lines 2500 2507) the Hoare annotation is: true [2019-11-26 02:56:30,786 INFO L447 ceAbstractionStarter]: At program point L2509(lines 2496 2540) the Hoare annotation is: true [2019-11-26 02:56:30,786 INFO L447 ceAbstractionStarter]: At program point L2514(lines 2514 2521) the Hoare annotation is: true [2019-11-26 02:56:30,786 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 1520) no Hoare annotation was computed. [2019-11-26 02:56:30,786 INFO L447 ceAbstractionStarter]: At program point L2523(lines 2510 2539) the Hoare annotation is: true [2019-11-26 02:56:30,786 INFO L447 ceAbstractionStarter]: At program point L1202(lines 1202 1221) the Hoare annotation is: true [2019-11-26 02:56:30,786 INFO L447 ceAbstractionStarter]: At program point L1202-1(lines 1202 1221) the Hoare annotation is: true [2019-11-26 02:56:30,787 INFO L447 ceAbstractionStarter]: At program point L2528(lines 2528 2535) the Hoare annotation is: true [2019-11-26 02:56:30,787 INFO L447 ceAbstractionStarter]: At program point L2528-1(lines 2376 2549) the Hoare annotation is: true [2019-11-26 02:56:30,787 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 1520) no Hoare annotation was computed. [2019-11-26 02:56:30,787 INFO L447 ceAbstractionStarter]: At program point L2550(lines 2375 2551) the Hoare annotation is: true [2019-11-26 02:56:30,787 INFO L447 ceAbstractionStarter]: At program point L1758(lines 1758 1766) the Hoare annotation is: true [2019-11-26 02:56:30,787 INFO L444 ceAbstractionStarter]: For program point L1520(line 1520) no Hoare annotation was computed. [2019-11-26 02:56:30,788 INFO L444 ceAbstractionStarter]: For program point L1520-1(line 1520) no Hoare annotation was computed. [2019-11-26 02:56:30,788 INFO L444 ceAbstractionStarter]: For program point L1520-2(line 1520) no Hoare annotation was computed. [2019-11-26 02:56:30,788 INFO L444 ceAbstractionStarter]: For program point L1520-3(line 1520) no Hoare annotation was computed. [2019-11-26 02:56:30,788 INFO L444 ceAbstractionStarter]: For program point L1520-4(line 1520) no Hoare annotation was computed. [2019-11-26 02:56:30,788 INFO L444 ceAbstractionStarter]: For program point L1520-5(line 1520) no Hoare annotation was computed. [2019-11-26 02:56:30,789 INFO L440 ceAbstractionStarter]: At program point L1521(lines 2576 2593) the Hoare annotation is: (= 1 ULTIMATE.start___utac_acc__DecryptAutoResponder_spec__1_~tmp~22) [2019-11-26 02:56:30,789 INFO L440 ceAbstractionStarter]: At program point L1521-1(lines 2576 2593) the Hoare annotation is: (= 1 ULTIMATE.start___utac_acc__DecryptAutoResponder_spec__1_~tmp~22) [2019-11-26 02:56:30,789 INFO L440 ceAbstractionStarter]: At program point L1521-2(lines 2576 2593) the Hoare annotation is: (= 1 ULTIMATE.start___utac_acc__DecryptAutoResponder_spec__1_~tmp~22) [2019-11-26 02:56:30,789 INFO L440 ceAbstractionStarter]: At program point L1521-3(lines 2576 2593) the Hoare annotation is: (= 1 ULTIMATE.start___utac_acc__DecryptAutoResponder_spec__1_~tmp~22) [2019-11-26 02:56:30,789 INFO L447 ceAbstractionStarter]: At program point L1521-4(lines 2576 2593) the Hoare annotation is: true [2019-11-26 02:56:30,789 INFO L447 ceAbstractionStarter]: At program point L1521-5(lines 2576 2593) the Hoare annotation is: true [2019-11-26 02:56:30,790 INFO L444 ceAbstractionStarter]: For program point L2584(lines 2584 2590) no Hoare annotation was computed. [2019-11-26 02:56:30,790 INFO L444 ceAbstractionStarter]: For program point L2584-2(lines 2584 2590) no Hoare annotation was computed. [2019-11-26 02:56:30,790 INFO L444 ceAbstractionStarter]: For program point L2584-4(lines 2584 2590) no Hoare annotation was computed. [2019-11-26 02:56:30,790 INFO L444 ceAbstractionStarter]: For program point L2584-6(lines 2584 2590) no Hoare annotation was computed. [2019-11-26 02:56:30,790 INFO L444 ceAbstractionStarter]: For program point L2584-8(lines 2584 2590) no Hoare annotation was computed. [2019-11-26 02:56:30,790 INFO L444 ceAbstractionStarter]: For program point L2584-10(lines 2584 2590) no Hoare annotation was computed. [2019-11-26 02:56:30,790 INFO L447 ceAbstractionStarter]: At program point L1264(lines 1264 1270) the Hoare annotation is: true [2019-11-26 02:56:30,791 INFO L447 ceAbstractionStarter]: At program point L1264-1(lines 1256 1273) the Hoare annotation is: true [2019-11-26 02:56:30,791 INFO L447 ceAbstractionStarter]: At program point L1264-2(lines 1264 1270) the Hoare annotation is: true [2019-11-26 02:56:30,791 INFO L447 ceAbstractionStarter]: At program point L1264-3(lines 1256 1273) the Hoare annotation is: true [2019-11-26 02:56:30,791 INFO L447 ceAbstractionStarter]: At program point L1264-4(lines 1264 1270) the Hoare annotation is: true [2019-11-26 02:56:30,791 INFO L447 ceAbstractionStarter]: At program point L1264-5(lines 1256 1273) the Hoare annotation is: true [2019-11-26 02:56:30,791 INFO L447 ceAbstractionStarter]: At program point L1264-6(lines 1264 1270) the Hoare annotation is: true [2019-11-26 02:56:30,791 INFO L447 ceAbstractionStarter]: At program point L1264-7(lines 1256 1273) the Hoare annotation is: true [2019-11-26 02:56:30,792 INFO L447 ceAbstractionStarter]: At program point L1264-8(lines 1264 1270) the Hoare annotation is: true [2019-11-26 02:56:30,792 INFO L447 ceAbstractionStarter]: At program point L1264-9(lines 1256 1273) the Hoare annotation is: true [2019-11-26 02:56:30,792 INFO L447 ceAbstractionStarter]: At program point L1264-10(lines 1264 1270) the Hoare annotation is: true [2019-11-26 02:56:30,792 INFO L447 ceAbstractionStarter]: At program point L1264-11(lines 1256 1273) the Hoare annotation is: true [2019-11-26 02:56:30,792 INFO L447 ceAbstractionStarter]: At program point L1284-5(lines 1321 1333) the Hoare annotation is: true [2019-11-26 02:56:30,793 INFO L447 ceAbstractionStarter]: At program point L1814(lines 1814 1821) the Hoare annotation is: true [2019-11-26 02:56:30,793 INFO L447 ceAbstractionStarter]: At program point L1814-1(lines 1814 1821) the Hoare annotation is: true [2019-11-26 02:56:30,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:56:30 BoogieIcfgContainer [2019-11-26 02:56:30,808 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:56:30,809 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:56:30,809 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:56:30,809 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:56:30,810 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:56:29" (3/4) ... [2019-11-26 02:56:30,813 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:56:31,045 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1096 nodes and edges [2019-11-26 02:56:31,057 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 264 nodes and edges [2019-11-26 02:56:31,068 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2019-11-26 02:56:31,080 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-26 02:56:31,082 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:56:31,085 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:56:31,515 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d905ef47-a4b5-4aa9-a860-b1bc72754495/bin/utaipan/witness.graphml [2019-11-26 02:56:31,515 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:56:31,518 INFO L168 Benchmark]: Toolchain (without parser) took 16867.99 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 600.8 MB). Free memory was 944.7 MB in the beginning and 1.4 GB in the end (delta: -455.2 MB). Peak memory consumption was 676.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:56:31,518 INFO L168 Benchmark]: CDTParser took 0.17 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 02:56:31,519 INFO L168 Benchmark]: CACSL2BoogieTranslator took 907.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 195.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -194.8 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:56:31,519 INFO L168 Benchmark]: Boogie Procedure Inliner took 227.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:56:31,519 INFO L168 Benchmark]: Boogie Preprocessor took 166.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:56:31,520 INFO L168 Benchmark]: RCFGBuilder took 13758.22 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 396.9 MB). Free memory was 1.1 GB in the beginning and 977.4 MB in the end (delta: 129.9 MB). Peak memory consumption was 526.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:56:31,520 INFO L168 Benchmark]: TraceAbstraction took 1095.27 ms. Allocated memory is still 1.6 GB. Free memory was 977.4 MB in the beginning and 886.1 MB in the end (delta: 91.3 MB). Peak memory consumption was 91.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:56:31,520 INFO L168 Benchmark]: Witness Printer took 706.18 ms. Allocated memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 8.9 MB). Free memory was 886.1 MB in the beginning and 1.4 GB in the end (delta: -513.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:56:31,522 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 907.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 195.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -194.8 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 227.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 166.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 13758.22 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 396.9 MB). Free memory was 1.1 GB in the beginning and 977.4 MB in the end (delta: 129.9 MB). Peak memory consumption was 526.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1095.27 ms. Allocated memory is still 1.6 GB. Free memory was 977.4 MB in the beginning and 886.1 MB in the end (delta: 91.3 MB). Peak memory consumption was 91.3 MB. Max. memory is 11.5 GB. * Witness Printer took 706.18 ms. Allocated memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 8.9 MB). Free memory was 886.1 MB in the beginning and 1.4 GB in the end (delta: -513.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1520]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1520]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1520]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1520]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1520]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1520]: 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: 2576]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 2402]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2576]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2375]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2398]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2486]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2576]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2444]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2482]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2376]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2440]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2528]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1256]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2430]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2388]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2426]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1264]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2514]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1256]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2384]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2472]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2576]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 2510]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2468]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1264]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1256]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2576]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 2576]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 2454]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2412]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1264]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2500]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1256]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2496]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1814]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1264]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1256]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1321]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1814]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1264]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1202]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1202]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1264]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2458]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1256]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2416]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 69 locations, 6 error locations. Result: SAFE, OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 278 SDtfs, 18 SDslu, 151 SDs, 0 SdLazy, 7 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred 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, 48 LocationsWithAnnotation, 48 PreInvPairs, 84 NumberOfFragments, 56 HoareAnnotationTreeSize, 48 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 48 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s 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...