./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product36.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_a27a29e3-204c-4084-a3e0-ba1f49e45f72/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a27a29e3-204c-4084-a3e0-ba1f49e45f72/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a27a29e3-204c-4084-a3e0-ba1f49e45f72/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a27a29e3-204c-4084-a3e0-ba1f49e45f72/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product36.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a27a29e3-204c-4084-a3e0-ba1f49e45f72/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a27a29e3-204c-4084-a3e0-ba1f49e45f72/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 ae3b367cf5d6182b9fc2a52b7b845972627c8a86 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:42:19,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:42:19,014 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:42:19,028 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:42:19,028 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:42:19,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:42:19,031 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:42:19,038 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:42:19,042 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:42:19,046 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:42:19,047 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:42:19,048 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:42:19,048 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:42:19,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:42:19,051 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:42:19,051 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:42:19,052 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:42:19,053 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:42:19,055 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:42:19,058 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:42:19,061 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:42:19,064 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:42:19,066 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:42:19,066 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:42:19,069 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:42:19,069 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:42:19,070 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:42:19,071 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:42:19,071 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:42:19,072 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:42:19,072 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:42:19,073 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:42:19,074 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:42:19,074 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:42:19,075 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:42:19,075 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:42:19,076 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:42:19,076 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:42:19,076 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:42:19,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:42:19,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:42:19,078 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a27a29e3-204c-4084-a3e0-ba1f49e45f72/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:42:19,101 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:42:19,101 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:42:19,102 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:42:19,102 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:42:19,102 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:42:19,103 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:42:19,103 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:42:19,103 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:42:19,103 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:42:19,103 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:42:19,103 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:42:19,104 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:42:19,104 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:42:19,104 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:42:19,104 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:42:19,105 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:42:19,105 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:42:19,105 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:42:19,105 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:42:19,105 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:42:19,105 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:42:19,106 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:42:19,106 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:42:19,106 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:42:19,106 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:42:19,106 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:42:19,107 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:42:19,107 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:42:19,107 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:42:19,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:42:19,107 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:42:19,107 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:42:19,108 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:42:19,108 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:42:19,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:42:19,108 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:42:19,118 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:42:19,118 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_a27a29e3-204c-4084-a3e0-ba1f49e45f72/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 -> ae3b367cf5d6182b9fc2a52b7b845972627c8a86 [2019-11-26 02:42:19,279 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:42:19,292 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:42:19,295 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:42:19,297 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:42:19,297 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:42:19,298 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a27a29e3-204c-4084-a3e0-ba1f49e45f72/bin/utaipan/../../sv-benchmarks/c/product-lines/email_spec0_product36.cil.c [2019-11-26 02:42:19,351 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a27a29e3-204c-4084-a3e0-ba1f49e45f72/bin/utaipan/data/52b0a7175/1d77151071ac43c385f1d900f33cdf33/FLAG082d7233f [2019-11-26 02:42:19,864 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:42:19,869 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a27a29e3-204c-4084-a3e0-ba1f49e45f72/sv-benchmarks/c/product-lines/email_spec0_product36.cil.c [2019-11-26 02:42:19,891 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a27a29e3-204c-4084-a3e0-ba1f49e45f72/bin/utaipan/data/52b0a7175/1d77151071ac43c385f1d900f33cdf33/FLAG082d7233f [2019-11-26 02:42:20,150 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a27a29e3-204c-4084-a3e0-ba1f49e45f72/bin/utaipan/data/52b0a7175/1d77151071ac43c385f1d900f33cdf33 [2019-11-26 02:42:20,153 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:42:20,154 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:42:20,155 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:42:20,155 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:42:20,159 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:42:20,159 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:42:20" (1/1) ... [2019-11-26 02:42:20,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1206ce3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:42:20, skipping insertion in model container [2019-11-26 02:42:20,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:42:20" (1/1) ... [2019-11-26 02:42:20,169 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:42:20,226 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:42:20,774 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:42:20,792 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:42:20,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:42:20,962 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:42:20,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:42:20 WrapperNode [2019-11-26 02:42:20,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:42:20,963 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:42:20,963 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:42:20,963 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:42:20,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:42:20" (1/1) ... [2019-11-26 02:42:21,021 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:42:20" (1/1) ... [2019-11-26 02:42:21,136 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:42:21,136 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:42:21,136 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:42:21,137 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:42:21,145 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:42:20" (1/1) ... [2019-11-26 02:42:21,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:42:20" (1/1) ... [2019-11-26 02:42:21,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:42:20" (1/1) ... [2019-11-26 02:42:21,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:42:20" (1/1) ... [2019-11-26 02:42:21,230 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:42:20" (1/1) ... [2019-11-26 02:42:21,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:42:20" (1/1) ... [2019-11-26 02:42:21,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:42:20" (1/1) ... [2019-11-26 02:42:21,282 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:42:21,283 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:42:21,283 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:42:21,283 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:42:21,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:42:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a27a29e3-204c-4084-a3e0-ba1f49e45f72/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 02:42:21,355 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-26 02:42:21,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:42:21,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:42:21,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:42:21,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:42:28,279 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:42:28,279 INFO L284 CfgBuilder]: Removed 405 assume(true) statements. [2019-11-26 02:42:28,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:42:28 BoogieIcfgContainer [2019-11-26 02:42:28,280 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:42:28,281 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:42:28,281 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:42:28,284 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:42:28,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:42:20" (1/3) ... [2019-11-26 02:42:28,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c626b04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:42:28, skipping insertion in model container [2019-11-26 02:42:28,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:42:20" (2/3) ... [2019-11-26 02:42:28,294 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c626b04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:42:28, skipping insertion in model container [2019-11-26 02:42:28,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:42:28" (3/3) ... [2019-11-26 02:42:28,296 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec0_product36.cil.c [2019-11-26 02:42:28,308 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:42:28,318 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2019-11-26 02:42:28,329 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-11-26 02:42:28,356 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:42:28,356 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:42:28,356 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:42:28,356 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:42:28,356 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:42:28,357 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:42:28,357 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:42:28,357 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:42:28,378 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states. [2019-11-26 02:42:28,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:42:28,386 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:42:28,386 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:42:28,387 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:42:28,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:42:28,393 INFO L82 PathProgramCache]: Analyzing trace with hash -2094785637, now seen corresponding path program 1 times [2019-11-26 02:42:28,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:42:28,404 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538965971] [2019-11-26 02:42:28,404 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:42:28,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:42:28,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:42:28,722 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538965971] [2019-11-26 02:42:28,723 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:42:28,723 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:42:28,725 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368168157] [2019-11-26 02:42:28,729 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-26 02:42:28,730 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:42:28,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-26 02:42:28,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:42:28,746 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 2 states. [2019-11-26 02:42:28,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:42:28,780 INFO L93 Difference]: Finished difference Result 104 states and 157 transitions. [2019-11-26 02:42:28,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-26 02:42:28,781 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-11-26 02:42:28,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:42:28,799 INFO L225 Difference]: With dead ends: 104 [2019-11-26 02:42:28,799 INFO L226 Difference]: Without dead ends: 61 [2019-11-26 02:42:28,803 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 02:42:28,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2019-11-26 02:42:28,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2019-11-26 02:42:28,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2019-11-26 02:42:28,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 88 transitions. [2019-11-26 02:42:28,864 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 88 transitions. Word has length 8 [2019-11-26 02:42:28,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:42:28,865 INFO L462 AbstractCegarLoop]: Abstraction has 61 states and 88 transitions. [2019-11-26 02:42:28,865 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-26 02:42:28,865 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 88 transitions. [2019-11-26 02:42:28,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-26 02:42:28,866 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:42:28,866 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:42:28,866 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 02:42:28,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:42:28,867 INFO L82 PathProgramCache]: Analyzing trace with hash 1583437810, now seen corresponding path program 1 times [2019-11-26 02:42:28,867 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:42:28,867 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661464474] [2019-11-26 02:42:28,867 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:42:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:42:29,024 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 02:42:29,025 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661464474] [2019-11-26 02:42:29,025 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:42:29,025 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:42:29,025 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894532102] [2019-11-26 02:42:29,027 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:42:29,027 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:42:29,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:42:29,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:42:29,028 INFO L87 Difference]: Start difference. First operand 61 states and 88 transitions. Second operand 3 states. [2019-11-26 02:42:29,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:42:29,057 INFO L93 Difference]: Finished difference Result 98 states and 130 transitions. [2019-11-26 02:42:29,059 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:42:29,059 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-11-26 02:42:29,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:42:29,063 INFO L225 Difference]: With dead ends: 98 [2019-11-26 02:42:29,063 INFO L226 Difference]: Without dead ends: 63 [2019-11-26 02:42:29,064 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 02:42:29,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2019-11-26 02:42:29,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2019-11-26 02:42:29,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-11-26 02:42:29,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 90 transitions. [2019-11-26 02:42:29,072 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 90 transitions. Word has length 9 [2019-11-26 02:42:29,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:42:29,075 INFO L462 AbstractCegarLoop]: Abstraction has 63 states and 90 transitions. [2019-11-26 02:42:29,075 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:42:29,075 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2019-11-26 02:42:29,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-26 02:42:29,077 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:42:29,077 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:42:29,078 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 02:42:29,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:42:29,079 INFO L82 PathProgramCache]: Analyzing trace with hash 859342101, now seen corresponding path program 1 times [2019-11-26 02:42:29,079 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:42:29,079 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200060165] [2019-11-26 02:42:29,080 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:42:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:42:29,243 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 02:42:29,243 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200060165] [2019-11-26 02:42:29,243 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:42:29,243 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-26 02:42:29,243 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092454111] [2019-11-26 02:42:29,244 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-26 02:42:29,244 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:42:29,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-26 02:42:29,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-26 02:42:29,245 INFO L87 Difference]: Start difference. First operand 63 states and 90 transitions. Second operand 4 states. [2019-11-26 02:42:29,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:42:29,299 INFO L93 Difference]: Finished difference Result 72 states and 102 transitions. [2019-11-26 02:42:29,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-26 02:42:29,299 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2019-11-26 02:42:29,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:42:29,300 INFO L225 Difference]: With dead ends: 72 [2019-11-26 02:42:29,300 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:42:29,301 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-11-26 02:42:29,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:42:29,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:42:29,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:42:29,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:42:29,302 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2019-11-26 02:42:29,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:42:29,302 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:42:29,302 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-26 02:42:29,302 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:42:29,302 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:42:29,307 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:42:29,440 INFO L440 ceAbstractionStarter]: At program point L1687(lines 1687 1706) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~17 1) [2019-11-26 02:42:29,440 INFO L440 ceAbstractionStarter]: At program point L1687-1(lines 1687 1706) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~17 1) [2019-11-26 02:42:29,440 INFO L444 ceAbstractionStarter]: For program point L2349(lines 2349 2489) no Hoare annotation was computed. [2019-11-26 02:42:29,441 INFO L444 ceAbstractionStarter]: For program point L2353(lines 2353 2357) no Hoare annotation was computed. [2019-11-26 02:42:29,441 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 476) no Hoare annotation was computed. [2019-11-26 02:42:29,441 INFO L440 ceAbstractionStarter]: At program point L2491(lines 2340 2492) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~17 1) [2019-11-26 02:42:29,441 INFO L440 ceAbstractionStarter]: At program point L2359(lines 2349 2489) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~17 1) [2019-11-26 02:42:29,441 INFO L440 ceAbstractionStarter]: At program point L2364(lines 2364 2371) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~17 1) [2019-11-26 02:42:29,441 INFO L440 ceAbstractionStarter]: At program point L2373(lines 2360 2488) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~17 1) [2019-11-26 02:42:29,441 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 476) no Hoare annotation was computed. [2019-11-26 02:42:29,442 INFO L444 ceAbstractionStarter]: For program point L2378(lines 2378 2382) no Hoare annotation was computed. [2019-11-26 02:42:29,442 INFO L440 ceAbstractionStarter]: At program point L2384(lines 2374 2487) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~17 1) [2019-11-26 02:42:29,442 INFO L444 ceAbstractionStarter]: For program point L2389(lines 2389 2393) no Hoare annotation was computed. [2019-11-26 02:42:29,442 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 476) no Hoare annotation was computed. [2019-11-26 02:42:29,442 INFO L440 ceAbstractionStarter]: At program point L2395(lines 2385 2486) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~17 1) [2019-11-26 02:42:29,442 INFO L444 ceAbstractionStarter]: For program point L2400(lines 2400 2404) no Hoare annotation was computed. [2019-11-26 02:42:29,442 INFO L440 ceAbstractionStarter]: At program point L2406(lines 2396 2485) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~17 1) [2019-11-26 02:42:29,442 INFO L440 ceAbstractionStarter]: At program point L2411(lines 2411 2418) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~17 1) [2019-11-26 02:42:29,443 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 476) no Hoare annotation was computed. [2019-11-26 02:42:29,443 INFO L440 ceAbstractionStarter]: At program point L2550(lines 2550 2558) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~17 1) [2019-11-26 02:42:29,443 INFO L440 ceAbstractionStarter]: At program point L1758(lines 1758 1765) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~17 1) [2019-11-26 02:42:29,443 INFO L440 ceAbstractionStarter]: At program point L1758-1(lines 1661 1672) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~17 1) [2019-11-26 02:42:29,443 INFO L440 ceAbstractionStarter]: At program point L1758-2(lines 1758 1765) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~17 1) [2019-11-26 02:42:29,443 INFO L440 ceAbstractionStarter]: At program point L1758-4(lines 1758 1765) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~17 1) [2019-11-26 02:42:29,443 INFO L440 ceAbstractionStarter]: At program point L1758-5(lines 1784 1796) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~17 1) [2019-11-26 02:42:29,443 INFO L440 ceAbstractionStarter]: At program point L1758-6(lines 1758 1765) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~17 1) [2019-11-26 02:42:29,444 INFO L440 ceAbstractionStarter]: At program point L1758-7(lines 1661 1672) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~17 1) [2019-11-26 02:42:29,444 INFO L440 ceAbstractionStarter]: At program point L1758-8(lines 1758 1765) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~17 1) [2019-11-26 02:42:29,444 INFO L440 ceAbstractionStarter]: At program point L1758-10(lines 1758 1765) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~17 1) [2019-11-26 02:42:29,444 INFO L444 ceAbstractionStarter]: For program point L2287(lines 2287 2293) no Hoare annotation was computed. [2019-11-26 02:42:29,444 INFO L444 ceAbstractionStarter]: For program point L2287-2(lines 2287 2293) no Hoare annotation was computed. [2019-11-26 02:42:29,444 INFO L444 ceAbstractionStarter]: For program point L2287-4(lines 2287 2293) no Hoare annotation was computed. [2019-11-26 02:42:29,444 INFO L444 ceAbstractionStarter]: For program point L2287-6(lines 2287 2293) no Hoare annotation was computed. [2019-11-26 02:42:29,444 INFO L444 ceAbstractionStarter]: For program point L2287-8(lines 2287 2293) no Hoare annotation was computed. [2019-11-26 02:42:29,445 INFO L444 ceAbstractionStarter]: For program point L2287-10(lines 2287 2293) no Hoare annotation was computed. [2019-11-26 02:42:29,445 INFO L440 ceAbstractionStarter]: At program point L2420(lines 2407 2484) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~17 1) [2019-11-26 02:42:29,445 INFO L444 ceAbstractionStarter]: For program point L2425(lines 2425 2429) no Hoare annotation was computed. [2019-11-26 02:42:29,445 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 476) no Hoare annotation was computed. [2019-11-26 02:42:29,445 INFO L440 ceAbstractionStarter]: At program point L2431(lines 2421 2483) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~17 1) [2019-11-26 02:42:29,445 INFO L440 ceAbstractionStarter]: At program point L2436(lines 2436 2443) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~17 1) [2019-11-26 02:42:29,445 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:42:29,445 INFO L440 ceAbstractionStarter]: At program point L2445(lines 2432 2482) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~17 1) [2019-11-26 02:42:29,445 INFO L444 ceAbstractionStarter]: For program point L2450(lines 2450 2454) no Hoare annotation was computed. [2019-11-26 02:42:29,446 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 476) no Hoare annotation was computed. [2019-11-26 02:42:29,446 INFO L440 ceAbstractionStarter]: At program point L2456(lines 2446 2481) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~17 1) [2019-11-26 02:42:29,446 INFO L444 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-11-26 02:42:29,446 INFO L444 ceAbstractionStarter]: For program point L476-1(line 476) no Hoare annotation was computed. [2019-11-26 02:42:29,446 INFO L444 ceAbstractionStarter]: For program point L476-2(line 476) no Hoare annotation was computed. [2019-11-26 02:42:29,446 INFO L444 ceAbstractionStarter]: For program point L476-3(line 476) no Hoare annotation was computed. [2019-11-26 02:42:29,446 INFO L444 ceAbstractionStarter]: For program point L476-4(line 476) no Hoare annotation was computed. [2019-11-26 02:42:29,446 INFO L444 ceAbstractionStarter]: For program point L476-5(line 476) no Hoare annotation was computed. [2019-11-26 02:42:29,447 INFO L440 ceAbstractionStarter]: At program point L477(lines 2279 2296) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~17 1) (not (= 0 ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~14))) [2019-11-26 02:42:29,447 INFO L440 ceAbstractionStarter]: At program point L477-1(lines 2279 2296) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~17 1) (not (= 0 ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~14))) [2019-11-26 02:42:29,447 INFO L440 ceAbstractionStarter]: At program point L477-2(lines 2279 2296) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~17 1) (not (= 0 ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~14))) [2019-11-26 02:42:29,447 INFO L440 ceAbstractionStarter]: At program point L477-3(lines 2279 2296) the Hoare annotation is: (and (= ULTIMATE.start_main_~tmp~17 1) (not (= 0 ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~14))) [2019-11-26 02:42:29,447 INFO L447 ceAbstractionStarter]: At program point L477-4(lines 2279 2296) the Hoare annotation is: true [2019-11-26 02:42:29,447 INFO L447 ceAbstractionStarter]: At program point L477-5(lines 2279 2296) the Hoare annotation is: true [2019-11-26 02:42:29,447 INFO L444 ceAbstractionStarter]: For program point L2461(lines 2461 2465) no Hoare annotation was computed. [2019-11-26 02:42:29,447 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-26 02:42:29,448 INFO L440 ceAbstractionStarter]: At program point L2467(lines 2457 2480) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~17 1) [2019-11-26 02:42:29,448 INFO L444 ceAbstractionStarter]: For program point L2472(lines 2472 2476) no Hoare annotation was computed. [2019-11-26 02:42:29,448 INFO L440 ceAbstractionStarter]: At program point L2472-1(lines 2341 2490) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~17 1) [2019-11-26 02:42:29,448 INFO L440 ceAbstractionStarter]: At program point L2606(lines 2606 2613) the Hoare annotation is: (= ULTIMATE.start_main_~tmp~17 1) [2019-11-26 02:42:29,448 INFO L447 ceAbstractionStarter]: At program point L2606-1(lines 2606 2613) the Hoare annotation is: true [2019-11-26 02:42:29,448 INFO L444 ceAbstractionStarter]: For program point L2342(lines 2341 2490) no Hoare annotation was computed. [2019-11-26 02:42:29,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:42:29 BoogieIcfgContainer [2019-11-26 02:42:29,485 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:42:29,486 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:42:29,486 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:42:29,486 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:42:29,487 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:42:28" (3/4) ... [2019-11-26 02:42:29,490 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:42:29,542 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 549 nodes and edges [2019-11-26 02:42:29,549 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 150 nodes and edges [2019-11-26 02:42:29,555 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2019-11-26 02:42:29,562 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:42:29,568 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:42:29,574 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:42:29,951 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a27a29e3-204c-4084-a3e0-ba1f49e45f72/bin/utaipan/witness.graphml [2019-11-26 02:42:29,952 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:42:29,954 INFO L168 Benchmark]: Toolchain (without parser) took 9799.71 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 355.5 MB). Free memory was 946.1 MB in the beginning and 1.3 GB in the end (delta: -311.5 MB). Peak memory consumption was 309.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:42:29,955 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 02:42:29,956 INFO L168 Benchmark]: CACSL2BoogieTranslator took 807.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 205.5 MB). Free memory was 946.1 MB in the beginning and 1.2 GB in the end (delta: -214.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:42:29,957 INFO L168 Benchmark]: Boogie Procedure Inliner took 173.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:42:29,957 INFO L168 Benchmark]: Boogie Preprocessor took 146.28 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:42:29,957 INFO L168 Benchmark]: RCFGBuilder took 6997.73 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 59.8 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 137.7 MB). Peak memory consumption was 284.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:42:29,958 INFO L168 Benchmark]: TraceAbstraction took 1204.07 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 917.2 MB in the end (delta: 84.4 MB). Peak memory consumption was 84.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:42:29,958 INFO L168 Benchmark]: Witness Printer took 466.63 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 90.2 MB). Free memory was 917.2 MB in the beginning and 1.3 GB in the end (delta: -340.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:42:29,960 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 807.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 205.5 MB). Free memory was 946.1 MB in the beginning and 1.2 GB in the end (delta: -214.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 173.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 146.28 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 6997.73 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 59.8 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 137.7 MB). Peak memory consumption was 284.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1204.07 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 917.2 MB in the end (delta: 84.4 MB). Peak memory consumption was 84.4 MB. Max. memory is 11.5 GB. * Witness Printer took 466.63 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 90.2 MB). Free memory was 917.2 MB in the beginning and 1.3 GB in the end (delta: -340.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 476]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 476]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 476]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 476]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 476]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 476]: 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: 2279]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2279]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1687]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 2550]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 2411]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 1687]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 2421]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 1758]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 2341]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 2279]: Loop Invariant Derived loop invariant: tmp == 1 && !(0 == tmp) - InvariantResult [Line: 2396]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 2279]: Loop Invariant Derived loop invariant: tmp == 1 && !(0 == tmp) - InvariantResult [Line: 2385]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 2364]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 2279]: Loop Invariant Derived loop invariant: tmp == 1 && !(0 == tmp) - InvariantResult [Line: 2374]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 2279]: Loop Invariant Derived loop invariant: tmp == 1 && !(0 == tmp) - InvariantResult [Line: 2360]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 2457]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 2606]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 1784]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 2436]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 2349]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 1661]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 2606]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1758]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 2432]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 2446]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 1758]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 1758]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2407]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 1661]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 2340]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 1758]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 1758]: Loop Invariant Derived loop invariant: tmp == 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 65 locations, 6 error locations. Result: SAFE, OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 267 SDtfs, 91 SDslu, 146 SDs, 0 SdLazy, 9 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 36 LocationsWithAnnotation, 36 PreInvPairs, 66 NumberOfFragments, 120 HoareAnnotationTreeSize, 36 FomulaSimplifications, 89 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 36 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, 349 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...