./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec7_product17.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_d63e77b7-37fd-4a1d-84ca-30954c5c8c5e/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d63e77b7-37fd-4a1d-84ca-30954c5c8c5e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d63e77b7-37fd-4a1d-84ca-30954c5c8c5e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d63e77b7-37fd-4a1d-84ca-30954c5c8c5e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec7_product17.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d63e77b7-37fd-4a1d-84ca-30954c5c8c5e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d63e77b7-37fd-4a1d-84ca-30954c5c8c5e/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 a64117d05b45ec65bbcc5d7177042eef419c41df ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 02:45:15,422 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:45:15,424 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:45:15,438 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:45:15,439 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:45:15,441 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:45:15,443 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:45:15,451 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:45:15,456 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:45:15,460 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:45:15,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:45:15,462 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:45:15,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:45:15,464 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:45:15,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:45:15,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:45:15,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:45:15,468 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:45:15,470 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:45:15,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:45:15,477 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:45:15,480 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:45:15,481 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:45:15,482 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:45:15,485 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:45:15,486 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:45:15,486 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:45:15,488 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:45:15,488 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:45:15,489 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:45:15,489 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:45:15,490 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:45:15,490 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:45:15,491 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:45:15,492 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:45:15,492 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:45:15,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:45:15,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:45:15,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:45:15,494 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:45:15,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:45:15,495 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d63e77b7-37fd-4a1d-84ca-30954c5c8c5e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:45:15,519 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:45:15,519 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:45:15,520 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:45:15,520 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:45:15,520 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:45:15,520 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:45:15,520 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:45:15,520 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:45:15,520 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:45:15,520 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:45:15,521 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:45:15,521 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:45:15,521 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:45:15,521 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:45:15,521 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:45:15,522 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:45:15,522 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:45:15,522 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:45:15,522 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:45:15,522 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:45:15,522 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:45:15,523 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:45:15,523 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:45:15,523 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:45:15,523 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:45:15,523 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:45:15,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:45:15,523 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:45:15,523 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:45:15,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:45:15,524 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:45:15,524 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:45:15,524 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:45:15,524 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:45:15,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:45:15,524 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:45:15,524 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:45:15,525 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_d63e77b7-37fd-4a1d-84ca-30954c5c8c5e/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 -> a64117d05b45ec65bbcc5d7177042eef419c41df [2019-11-26 02:45:15,666 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:45:15,675 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:45:15,678 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:45:15,682 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:45:15,683 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:45:15,684 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d63e77b7-37fd-4a1d-84ca-30954c5c8c5e/bin/utaipan/../../sv-benchmarks/c/product-lines/email_spec7_product17.cil.c [2019-11-26 02:45:15,742 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d63e77b7-37fd-4a1d-84ca-30954c5c8c5e/bin/utaipan/data/ccbb877ef/e062db3c6c7d421489ff715348d15abe/FLAG271cf4d63 [2019-11-26 02:45:16,314 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:45:16,315 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d63e77b7-37fd-4a1d-84ca-30954c5c8c5e/sv-benchmarks/c/product-lines/email_spec7_product17.cil.c [2019-11-26 02:45:16,343 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d63e77b7-37fd-4a1d-84ca-30954c5c8c5e/bin/utaipan/data/ccbb877ef/e062db3c6c7d421489ff715348d15abe/FLAG271cf4d63 [2019-11-26 02:45:16,477 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d63e77b7-37fd-4a1d-84ca-30954c5c8c5e/bin/utaipan/data/ccbb877ef/e062db3c6c7d421489ff715348d15abe [2019-11-26 02:45:16,479 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:45:16,480 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:45:16,483 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:45:16,483 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:45:16,493 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:45:16,494 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:45:16" (1/1) ... [2019-11-26 02:45:16,497 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64b4b7d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:45:16, skipping insertion in model container [2019-11-26 02:45:16,497 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:45:16" (1/1) ... [2019-11-26 02:45:16,502 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:45:16,560 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:45:17,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:45:17,242 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:45:17,373 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:45:17,449 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:45:17,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:45:17 WrapperNode [2019-11-26 02:45:17,449 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:45:17,450 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:45:17,450 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:45:17,451 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:45:17,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:45:17" (1/1) ... [2019-11-26 02:45:17,487 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:45:17" (1/1) ... [2019-11-26 02:45:17,591 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:45:17,592 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:45:17,592 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:45:17,593 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:45:17,602 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:45:17" (1/1) ... [2019-11-26 02:45:17,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:45:17" (1/1) ... [2019-11-26 02:45:17,620 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:45:17" (1/1) ... [2019-11-26 02:45:17,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:45:17" (1/1) ... [2019-11-26 02:45:17,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:45:17" (1/1) ... [2019-11-26 02:45:17,712 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:45:17" (1/1) ... [2019-11-26 02:45:17,725 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:45:17" (1/1) ... [2019-11-26 02:45:17,741 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:45:17,742 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:45:17,743 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:45:17,743 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:45:17,744 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:45:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d63e77b7-37fd-4a1d-84ca-30954c5c8c5e/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 02:45:17,806 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-26 02:45:17,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:45:17,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:45:17,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:45:17,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:45:27,317 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:45:27,318 INFO L284 CfgBuilder]: Removed 425 assume(true) statements. [2019-11-26 02:45:27,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:45:27 BoogieIcfgContainer [2019-11-26 02:45:27,319 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:45:27,320 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:45:27,320 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:45:27,329 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:45:27,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:45:16" (1/3) ... [2019-11-26 02:45:27,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f0ec53f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:45:27, skipping insertion in model container [2019-11-26 02:45:27,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:45:17" (2/3) ... [2019-11-26 02:45:27,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f0ec53f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:45:27, skipping insertion in model container [2019-11-26 02:45:27,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:45:27" (3/3) ... [2019-11-26 02:45:27,332 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec7_product17.cil.c [2019-11-26 02:45:27,344 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:45:27,353 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2019-11-26 02:45:27,361 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-11-26 02:45:27,381 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:45:27,381 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:45:27,381 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:45:27,381 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:45:27,381 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:45:27,381 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:45:27,381 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:45:27,382 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:45:27,394 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2019-11-26 02:45:27,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:45:27,398 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:45:27,399 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:45:27,399 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 02:45:27,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:45:27,403 INFO L82 PathProgramCache]: Analyzing trace with hash 665411079, now seen corresponding path program 1 times [2019-11-26 02:45:27,410 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:45:27,410 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847500429] [2019-11-26 02:45:27,410 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:45:27,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:45:27,699 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 02:45:27,699 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847500429] [2019-11-26 02:45:27,700 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:45:27,701 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:45:27,701 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582485751] [2019-11-26 02:45:27,705 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-26 02:45:27,706 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:45:27,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-26 02:45:27,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:45:27,721 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2019-11-26 02:45:27,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:45:27,742 INFO L93 Difference]: Finished difference Result 88 states and 129 transitions. [2019-11-26 02:45:27,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-26 02:45:27,743 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2019-11-26 02:45:27,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:45:27,753 INFO L225 Difference]: With dead ends: 88 [2019-11-26 02:45:27,754 INFO L226 Difference]: Without dead ends: 53 [2019-11-26 02:45:27,757 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 02:45:27,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-11-26 02:45:27,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-11-26 02:45:27,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-11-26 02:45:27,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2019-11-26 02:45:27,793 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 7 [2019-11-26 02:45:27,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:45:27,793 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2019-11-26 02:45:27,794 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-26 02:45:27,794 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2019-11-26 02:45:27,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:45:27,795 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:45:27,795 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:45:27,795 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 02:45:27,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:45:27,796 INFO L82 PathProgramCache]: Analyzing trace with hash -1954833881, now seen corresponding path program 1 times [2019-11-26 02:45:27,796 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:45:27,796 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045070339] [2019-11-26 02:45:27,796 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:45:27,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:45:27,901 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 02:45:27,901 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045070339] [2019-11-26 02:45:27,901 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:45:27,902 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:45:27,902 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900976300] [2019-11-26 02:45:27,903 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:45:27,903 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:45:27,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:45:27,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:45:27,904 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 3 states. [2019-11-26 02:45:27,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:45:27,918 INFO L93 Difference]: Finished difference Result 82 states and 106 transitions. [2019-11-26 02:45:27,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:45:27,919 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-26 02:45:27,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:45:27,920 INFO L225 Difference]: With dead ends: 82 [2019-11-26 02:45:27,920 INFO L226 Difference]: Without dead ends: 55 [2019-11-26 02:45:27,921 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 02:45:27,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-26 02:45:27,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-11-26 02:45:27,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-26 02:45:27,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2019-11-26 02:45:27,929 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 8 [2019-11-26 02:45:27,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:45:27,930 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2019-11-26 02:45:27,930 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:45:27,930 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2019-11-26 02:45:27,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-26 02:45:27,931 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:45:27,931 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:45:27,931 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 02:45:27,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:45:27,932 INFO L82 PathProgramCache]: Analyzing trace with hash 694161398, now seen corresponding path program 1 times [2019-11-26 02:45:27,932 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:45:27,932 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912613431] [2019-11-26 02:45:27,933 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:45:27,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:45:28,085 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 02:45:28,085 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912613431] [2019-11-26 02:45:28,085 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:45:28,086 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:45:28,086 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928340841] [2019-11-26 02:45:28,086 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:45:28,086 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:45:28,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:45:28,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:45:28,087 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand 3 states. [2019-11-26 02:45:28,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:45:28,155 INFO L93 Difference]: Finished difference Result 55 states and 78 transitions. [2019-11-26 02:45:28,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:45:28,156 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-11-26 02:45:28,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:45:28,156 INFO L225 Difference]: With dead ends: 55 [2019-11-26 02:45:28,156 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:45:28,157 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 02:45:28,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:45:28,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:45:28,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:45:28,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:45:28,158 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2019-11-26 02:45:28,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:45:28,158 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:45:28,158 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:45:28,158 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:45:28,159 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:45:28,164 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:45:28,227 INFO L444 ceAbstractionStarter]: For program point L2218(lines 2218 2222) no Hoare annotation was computed. [2019-11-26 02:45:28,227 INFO L444 ceAbstractionStarter]: For program point L2086(line 2086) no Hoare annotation was computed. [2019-11-26 02:45:28,227 INFO L444 ceAbstractionStarter]: For program point L2086-2(line 2086) no Hoare annotation was computed. [2019-11-26 02:45:28,227 INFO L444 ceAbstractionStarter]: For program point L2086-1(line 2086) no Hoare annotation was computed. [2019-11-26 02:45:28,227 INFO L444 ceAbstractionStarter]: For program point L2086-4(line 2086) no Hoare annotation was computed. [2019-11-26 02:45:28,228 INFO L444 ceAbstractionStarter]: For program point L2086-3(line 2086) no Hoare annotation was computed. [2019-11-26 02:45:28,228 INFO L444 ceAbstractionStarter]: For program point L2086-5(line 2086) no Hoare annotation was computed. [2019-11-26 02:45:28,228 INFO L440 ceAbstractionStarter]: At program point L2087-1(lines 52 68) the Hoare annotation is: (= ULTIMATE.start___utac_acc__EncryptVerify_spec__1_~tmp~0 1) [2019-11-26 02:45:28,228 INFO L440 ceAbstractionStarter]: At program point L2087(lines 52 68) the Hoare annotation is: (= ULTIMATE.start___utac_acc__EncryptVerify_spec__1_~tmp~0 1) [2019-11-26 02:45:28,228 INFO L440 ceAbstractionStarter]: At program point L2087-3(lines 52 68) the Hoare annotation is: (= ULTIMATE.start___utac_acc__EncryptVerify_spec__1_~tmp~0 1) [2019-11-26 02:45:28,228 INFO L440 ceAbstractionStarter]: At program point L2087-2(lines 52 68) the Hoare annotation is: (= ULTIMATE.start___utac_acc__EncryptVerify_spec__1_~tmp~0 1) [2019-11-26 02:45:28,228 INFO L447 ceAbstractionStarter]: At program point L2087-5(lines 52 68) the Hoare annotation is: true [2019-11-26 02:45:28,229 INFO L447 ceAbstractionStarter]: At program point L2087-4(lines 52 68) the Hoare annotation is: true [2019-11-26 02:45:28,229 INFO L447 ceAbstractionStarter]: At program point L2224(lines 2214 2300) the Hoare annotation is: true [2019-11-26 02:45:28,229 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 2086) no Hoare annotation was computed. [2019-11-26 02:45:28,229 INFO L447 ceAbstractionStarter]: At program point L2229(lines 2229 2236) the Hoare annotation is: true [2019-11-26 02:45:28,229 INFO L447 ceAbstractionStarter]: At program point L2238(lines 2225 2299) the Hoare annotation is: true [2019-11-26 02:45:28,229 INFO L447 ceAbstractionStarter]: At program point L2243(lines 2243 2250) the Hoare annotation is: true [2019-11-26 02:45:28,229 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 2086) no Hoare annotation was computed. [2019-11-26 02:45:28,229 INFO L447 ceAbstractionStarter]: At program point L2252(lines 2239 2298) the Hoare annotation is: true [2019-11-26 02:45:28,230 INFO L440 ceAbstractionStarter]: At program point L2651-1(lines 2651 2670) the Hoare annotation is: (= ULTIMATE.start___utac_acc__EncryptVerify_spec__1_~tmp~0 1) [2019-11-26 02:45:28,230 INFO L447 ceAbstractionStarter]: At program point L2651(lines 2651 2670) the Hoare annotation is: true [2019-11-26 02:45:28,230 INFO L447 ceAbstractionStarter]: At program point L2257(lines 2257 2264) the Hoare annotation is: true [2019-11-26 02:45:28,230 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 2086) no Hoare annotation was computed. [2019-11-26 02:45:28,230 INFO L447 ceAbstractionStarter]: At program point L2266(lines 2253 2297) the Hoare annotation is: true [2019-11-26 02:45:28,230 INFO L447 ceAbstractionStarter]: At program point L2271(lines 2271 2278) the Hoare annotation is: true [2019-11-26 02:45:28,230 INFO L444 ceAbstractionStarter]: For program point L2140(lines 2139 2306) no Hoare annotation was computed. [2019-11-26 02:45:28,230 INFO L440 ceAbstractionStarter]: At program point L2408(lines 2408 2416) the Hoare annotation is: (= ULTIMATE.start___utac_acc__EncryptVerify_spec__1_~tmp~0 1) [2019-11-26 02:45:28,230 INFO L444 ceAbstractionStarter]: For program point L2147(lines 2147 2305) no Hoare annotation was computed. [2019-11-26 02:45:28,231 INFO L447 ceAbstractionStarter]: At program point L2280(lines 2267 2296) the Hoare annotation is: true [2019-11-26 02:45:28,231 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 2086) no Hoare annotation was computed. [2019-11-26 02:45:28,231 INFO L447 ceAbstractionStarter]: At program point L2151(lines 2151 2158) the Hoare annotation is: true [2019-11-26 02:45:28,231 INFO L447 ceAbstractionStarter]: At program point L2285-1(lines 2139 2306) the Hoare annotation is: true [2019-11-26 02:45:28,231 INFO L447 ceAbstractionStarter]: At program point L2285(lines 2285 2292) the Hoare annotation is: true [2019-11-26 02:45:28,231 INFO L447 ceAbstractionStarter]: At program point L2160(lines 2147 2305) the Hoare annotation is: true [2019-11-26 02:45:28,231 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 2086) no Hoare annotation was computed. [2019-11-26 02:45:28,231 INFO L440 ceAbstractionStarter]: At program point L2692-2(lines 1 2894) the Hoare annotation is: (= ULTIMATE.start___utac_acc__EncryptVerify_spec__1_~tmp~0 1) [2019-11-26 02:45:28,232 INFO L444 ceAbstractionStarter]: For program point L2165(lines 2165 2169) no Hoare annotation was computed. [2019-11-26 02:45:28,232 INFO L447 ceAbstractionStarter]: At program point L2171(lines 2161 2304) the Hoare annotation is: true [2019-11-26 02:45:28,232 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:45:28,232 INFO L444 ceAbstractionStarter]: For program point L59(lines 59 65) no Hoare annotation was computed. [2019-11-26 02:45:28,232 INFO L444 ceAbstractionStarter]: For program point L59-2(lines 59 65) no Hoare annotation was computed. [2019-11-26 02:45:28,232 INFO L444 ceAbstractionStarter]: For program point L59-4(lines 59 65) no Hoare annotation was computed. [2019-11-26 02:45:28,232 INFO L444 ceAbstractionStarter]: For program point L59-6(lines 59 65) no Hoare annotation was computed. [2019-11-26 02:45:28,232 INFO L444 ceAbstractionStarter]: For program point L59-8(lines 59 65) no Hoare annotation was computed. [2019-11-26 02:45:28,232 INFO L444 ceAbstractionStarter]: For program point L59-10(lines 59 65) no Hoare annotation was computed. [2019-11-26 02:45:28,233 INFO L447 ceAbstractionStarter]: At program point L2307(lines 2138 2308) the Hoare annotation is: true [2019-11-26 02:45:28,233 INFO L447 ceAbstractionStarter]: At program point L2176(lines 2176 2183) the Hoare annotation is: true [2019-11-26 02:45:28,233 INFO L447 ceAbstractionStarter]: At program point L2185(lines 2172 2303) the Hoare annotation is: true [2019-11-26 02:45:28,233 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 2086) no Hoare annotation was computed. [2019-11-26 02:45:28,233 INFO L447 ceAbstractionStarter]: At program point L2190(lines 2190 2197) the Hoare annotation is: true [2019-11-26 02:45:28,233 INFO L447 ceAbstractionStarter]: At program point L2199(lines 2186 2302) the Hoare annotation is: true [2019-11-26 02:45:28,233 INFO L447 ceAbstractionStarter]: At program point L2464(lines 2464 2471) the Hoare annotation is: true [2019-11-26 02:45:28,233 INFO L447 ceAbstractionStarter]: At program point L2464-1(lines 2464 2471) the Hoare annotation is: true [2019-11-26 02:45:28,233 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-26 02:45:28,234 INFO L447 ceAbstractionStarter]: At program point L2204(lines 2204 2211) the Hoare annotation is: true [2019-11-26 02:45:28,234 INFO L447 ceAbstractionStarter]: At program point L2213(lines 2200 2301) the Hoare annotation is: true [2019-11-26 02:45:28,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:45:28 BoogieIcfgContainer [2019-11-26 02:45:28,250 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:45:28,250 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:45:28,251 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:45:28,251 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:45:28,251 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:45:27" (3/4) ... [2019-11-26 02:45:28,255 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:45:28,310 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 767 nodes and edges [2019-11-26 02:45:28,318 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 177 nodes and edges [2019-11-26 02:45:28,325 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2019-11-26 02:45:28,333 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-26 02:45:28,341 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:45:28,345 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:45:28,607 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d63e77b7-37fd-4a1d-84ca-30954c5c8c5e/bin/utaipan/witness.graphml [2019-11-26 02:45:28,607 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:45:28,609 INFO L168 Benchmark]: Toolchain (without parser) took 12128.45 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 333.4 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -150.5 MB). Peak memory consumption was 183.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:45:28,609 INFO L168 Benchmark]: CDTParser took 0.26 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 02:45:28,610 INFO L168 Benchmark]: CACSL2BoogieTranslator took 966.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -153.9 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:45:28,610 INFO L168 Benchmark]: Boogie Procedure Inliner took 141.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:45:28,611 INFO L168 Benchmark]: Boogie Preprocessor took 149.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:45:28,611 INFO L168 Benchmark]: RCFGBuilder took 9577.21 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 181.9 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -181.7 MB). Peak memory consumption was 417.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:45:28,611 INFO L168 Benchmark]: TraceAbstraction took 930.13 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 89.7 MB). Peak memory consumption was 89.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:45:28,612 INFO L168 Benchmark]: Witness Printer took 356.67 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:45:28,614 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 966.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -153.9 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 141.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 149.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 9577.21 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 181.9 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -181.7 MB). Peak memory consumption was 417.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 930.13 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 89.7 MB). Peak memory consumption was 89.7 MB. Max. memory is 11.5 GB. * Witness Printer took 356.67 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 2086]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 2086]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 2086]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 2086]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 2086]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 2086]: 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: 2190]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2138]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2243]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2186]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2285]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2239]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2139]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2464]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2464]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2225]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2172]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2408]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 2267]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2651]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2651]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 2271]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2229]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2151]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 2161]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2204]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2257]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2253]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2147]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2214]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 2200]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 57 locations, 6 error locations. Result: SAFE, OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 218 SDtfs, 8 SDslu, 123 SDs, 0 SdLazy, 7 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 34 PreInvPairs, 47 NumberOfFragments, 48 HoareAnnotationTreeSize, 34 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 34 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 256 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...