./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec7_product19.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_5ae3a69a-e866-4798-9ce6-fde1c1cd009c/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5ae3a69a-e866-4798-9ce6-fde1c1cd009c/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5ae3a69a-e866-4798-9ce6-fde1c1cd009c/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5ae3a69a-e866-4798-9ce6-fde1c1cd009c/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec7_product19.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5ae3a69a-e866-4798-9ce6-fde1c1cd009c/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5ae3a69a-e866-4798-9ce6-fde1c1cd009c/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 3bf58739501953fc4513dda9ff95b94959b3abc2 ...................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:53:38,931 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:53:38,933 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:53:38,943 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:53:38,944 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:53:38,945 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:53:38,946 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:53:38,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:53:38,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:53:38,951 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:53:38,952 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:53:38,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:53:38,953 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:53:38,954 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:53:38,955 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:53:38,956 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:53:38,957 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:53:38,958 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:53:38,960 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:53:38,962 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:53:38,964 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:53:38,965 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:53:38,966 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:53:38,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:53:38,970 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:53:38,970 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:53:38,970 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:53:38,971 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:53:38,971 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:53:38,972 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:53:38,973 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:53:38,973 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:53:38,974 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:53:38,975 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:53:38,976 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:53:38,976 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:53:38,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:53:38,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:53:38,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:53:38,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:53:38,984 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:53:38,985 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5ae3a69a-e866-4798-9ce6-fde1c1cd009c/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:53:39,007 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:53:39,008 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:53:39,009 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:53:39,009 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:53:39,009 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:53:39,010 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:53:39,010 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:53:39,010 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:53:39,010 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:53:39,010 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:53:39,011 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:53:39,012 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:53:39,012 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:53:39,012 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:53:39,012 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:53:39,013 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:53:39,013 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:53:39,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:53:39,014 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:53:39,014 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:53:39,014 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:53:39,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:53:39,014 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:53:39,015 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:53:39,015 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:53:39,015 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:53:39,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:53:39,016 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:53:39,016 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:53:39,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:53:39,016 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:53:39,016 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:53:39,017 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:53:39,017 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:53:39,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:53:39,017 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:53:39,018 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:53:39,018 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_5ae3a69a-e866-4798-9ce6-fde1c1cd009c/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 -> 3bf58739501953fc4513dda9ff95b94959b3abc2 [2019-11-26 02:53:39,202 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:53:39,211 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:53:39,214 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:53:39,216 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:53:39,216 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:53:39,217 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5ae3a69a-e866-4798-9ce6-fde1c1cd009c/bin/utaipan/../../sv-benchmarks/c/product-lines/email_spec7_product19.cil.c [2019-11-26 02:53:39,280 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5ae3a69a-e866-4798-9ce6-fde1c1cd009c/bin/utaipan/data/0d9297695/6ea495a469ad4a7684acb6a0640f4be7/FLAG5bb3dcfa5 [2019-11-26 02:53:39,796 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:53:39,799 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5ae3a69a-e866-4798-9ce6-fde1c1cd009c/sv-benchmarks/c/product-lines/email_spec7_product19.cil.c [2019-11-26 02:53:39,827 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5ae3a69a-e866-4798-9ce6-fde1c1cd009c/bin/utaipan/data/0d9297695/6ea495a469ad4a7684acb6a0640f4be7/FLAG5bb3dcfa5 [2019-11-26 02:53:40,241 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5ae3a69a-e866-4798-9ce6-fde1c1cd009c/bin/utaipan/data/0d9297695/6ea495a469ad4a7684acb6a0640f4be7 [2019-11-26 02:53:40,244 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:53:40,245 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:53:40,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:53:40,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:53:40,250 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:53:40,250 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:53:40" (1/1) ... [2019-11-26 02:53:40,253 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@568b4aa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:40, skipping insertion in model container [2019-11-26 02:53:40,253 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:53:40" (1/1) ... [2019-11-26 02:53:40,262 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:53:40,330 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:53:40,937 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:53:40,950 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:53:41,063 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:53:41,141 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:53:41,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:41 WrapperNode [2019-11-26 02:53:41,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:53:41,142 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:53:41,142 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:53:41,143 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:53:41,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:41" (1/1) ... [2019-11-26 02:53:41,180 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:41" (1/1) ... [2019-11-26 02:53:41,255 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:53:41,256 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:53:41,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:53:41,256 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:53:41,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:41" (1/1) ... [2019-11-26 02:53:41,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:41" (1/1) ... [2019-11-26 02:53:41,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:41" (1/1) ... [2019-11-26 02:53:41,279 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:41" (1/1) ... [2019-11-26 02:53:41,313 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:41" (1/1) ... [2019-11-26 02:53:41,332 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:41" (1/1) ... [2019-11-26 02:53:41,339 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:41" (1/1) ... [2019-11-26 02:53:41,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:53:41,361 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:53:41,362 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:53:41,362 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:53:41,363 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5ae3a69a-e866-4798-9ce6-fde1c1cd009c/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 02:53:41,448 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-26 02:53:41,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:53:41,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:53:41,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:53:41,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:53:48,730 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:53:48,730 INFO L284 CfgBuilder]: Removed 295 assume(true) statements. [2019-11-26 02:53:48,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:53:48 BoogieIcfgContainer [2019-11-26 02:53:48,732 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:53:48,733 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:53:48,733 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:53:48,740 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:53:48,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:53:40" (1/3) ... [2019-11-26 02:53:48,741 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65f73267 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:53:48, skipping insertion in model container [2019-11-26 02:53:48,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:53:41" (2/3) ... [2019-11-26 02:53:48,741 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65f73267 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:53:48, skipping insertion in model container [2019-11-26 02:53:48,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:53:48" (3/3) ... [2019-11-26 02:53:48,743 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec7_product19.cil.c [2019-11-26 02:53:48,750 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:53:48,756 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-11-26 02:53:48,763 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-11-26 02:53:48,783 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:53:48,783 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:53:48,783 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:53:48,783 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:53:48,783 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:53:48,783 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:53:48,783 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:53:48,783 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:53:48,794 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2019-11-26 02:53:48,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-26 02:53:48,799 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:53:48,800 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-26 02:53:48,801 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:53:48,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:53:48,806 INFO L82 PathProgramCache]: Analyzing trace with hash 12070634, now seen corresponding path program 1 times [2019-11-26 02:53:48,815 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:53:48,816 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119962174] [2019-11-26 02:53:48,816 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:53:48,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:53:49,073 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 02:53:49,074 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119962174] [2019-11-26 02:53:49,075 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:53:49,075 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:53:49,076 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920473758] [2019-11-26 02:53:49,080 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-26 02:53:49,081 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:53:49,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-26 02:53:49,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:53:49,176 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 2 states. [2019-11-26 02:53:49,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:53:49,200 INFO L93 Difference]: Finished difference Result 50 states and 79 transitions. [2019-11-26 02:53:49,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-26 02:53:49,202 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2019-11-26 02:53:49,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:53:49,215 INFO L225 Difference]: With dead ends: 50 [2019-11-26 02:53:49,215 INFO L226 Difference]: Without dead ends: 35 [2019-11-26 02:53:49,218 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 02:53:49,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-11-26 02:53:49,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-11-26 02:53:49,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-11-26 02:53:49,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 57 transitions. [2019-11-26 02:53:49,253 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 57 transitions. Word has length 6 [2019-11-26 02:53:49,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:53:49,254 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 57 transitions. [2019-11-26 02:53:49,254 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-26 02:53:49,254 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2019-11-26 02:53:49,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:53:49,255 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:53:49,255 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:53:49,255 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:53:49,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:53:49,256 INFO L82 PathProgramCache]: Analyzing trace with hash -1787259551, now seen corresponding path program 1 times [2019-11-26 02:53:49,256 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:53:49,256 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438698249] [2019-11-26 02:53:49,257 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:53:49,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:53:49,413 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 02:53:49,414 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438698249] [2019-11-26 02:53:49,414 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:53:49,414 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:53:49,415 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295304199] [2019-11-26 02:53:49,416 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:53:49,416 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:53:49,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:53:49,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:53:49,417 INFO L87 Difference]: Start difference. First operand 35 states and 57 transitions. Second operand 3 states. [2019-11-26 02:53:49,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:53:49,433 INFO L93 Difference]: Finished difference Result 46 states and 68 transitions. [2019-11-26 02:53:49,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:53:49,435 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-11-26 02:53:49,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:53:49,436 INFO L225 Difference]: With dead ends: 46 [2019-11-26 02:53:49,438 INFO L226 Difference]: Without dead ends: 37 [2019-11-26 02:53:49,439 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 02:53:49,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-11-26 02:53:49,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2019-11-26 02:53:49,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-11-26 02:53:49,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 59 transitions. [2019-11-26 02:53:49,450 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 59 transitions. Word has length 7 [2019-11-26 02:53:49,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:53:49,451 INFO L462 AbstractCegarLoop]: Abstraction has 37 states and 59 transitions. [2019-11-26 02:53:49,451 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:53:49,451 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2019-11-26 02:53:49,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-26 02:53:49,453 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:53:49,453 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:53:49,453 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:53:49,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:53:49,454 INFO L82 PathProgramCache]: Analyzing trace with hash 462126665, now seen corresponding path program 1 times [2019-11-26 02:53:49,455 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:53:49,455 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644173342] [2019-11-26 02:53:49,455 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:53:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:53:49,658 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 02:53:49,658 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644173342] [2019-11-26 02:53:49,659 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:53:49,659 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:53:49,659 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332754835] [2019-11-26 02:53:49,659 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:53:49,660 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:53:49,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:53:49,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:53:49,660 INFO L87 Difference]: Start difference. First operand 37 states and 59 transitions. Second operand 3 states. [2019-11-26 02:53:49,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:53:49,682 INFO L93 Difference]: Finished difference Result 37 states and 59 transitions. [2019-11-26 02:53:49,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:53:49,684 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2019-11-26 02:53:49,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:53:49,685 INFO L225 Difference]: With dead ends: 37 [2019-11-26 02:53:49,685 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:53:49,685 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 02:53:49,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:53:49,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:53:49,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:53:49,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:53:49,686 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-11-26 02:53:49,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:53:49,687 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:53:49,687 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:53:49,687 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:53:49,687 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:53:49,691 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:53:49,751 INFO L447 ceAbstractionStarter]: At program point L1031(lines 1031 1038) the Hoare annotation is: true [2019-11-26 02:53:49,752 INFO L447 ceAbstractionStarter]: At program point L1040(lines 1027 1113) the Hoare annotation is: true [2019-11-26 02:53:49,752 INFO L447 ceAbstractionStarter]: At program point L1045(lines 1045 1052) the Hoare annotation is: true [2019-11-26 02:53:49,752 INFO L447 ceAbstractionStarter]: At program point L1054(lines 1041 1112) the Hoare annotation is: true [2019-11-26 02:53:49,752 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1810) no Hoare annotation was computed. [2019-11-26 02:53:49,752 INFO L444 ceAbstractionStarter]: For program point L1059(lines 1059 1063) no Hoare annotation was computed. [2019-11-26 02:53:49,752 INFO L447 ceAbstractionStarter]: At program point L1065(lines 1055 1111) the Hoare annotation is: true [2019-11-26 02:53:49,752 INFO L447 ceAbstractionStarter]: At program point L1070(lines 1070 1077) the Hoare annotation is: true [2019-11-26 02:53:49,753 INFO L447 ceAbstractionStarter]: At program point L1079(lines 1066 1110) the Hoare annotation is: true [2019-11-26 02:53:49,753 INFO L447 ceAbstractionStarter]: At program point L1084(lines 1084 1091) the Hoare annotation is: true [2019-11-26 02:53:49,753 INFO L444 ceAbstractionStarter]: For program point L953(lines 952 1119) no Hoare annotation was computed. [2019-11-26 02:53:49,753 INFO L440 ceAbstractionStarter]: At program point L1616(lines 1616 1624) the Hoare annotation is: (<= 1 ULTIMATE.start___utac_acc__EncryptVerify_spec__1_~tmp~0) [2019-11-26 02:53:49,753 INFO L444 ceAbstractionStarter]: For program point L960(lines 960 1118) no Hoare annotation was computed. [2019-11-26 02:53:49,753 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 1810) no Hoare annotation was computed. [2019-11-26 02:53:49,753 INFO L447 ceAbstractionStarter]: At program point L1093(lines 1080 1109) the Hoare annotation is: true [2019-11-26 02:53:49,754 INFO L447 ceAbstractionStarter]: At program point L964(lines 964 971) the Hoare annotation is: true [2019-11-26 02:53:49,754 INFO L447 ceAbstractionStarter]: At program point L1098(lines 1098 1105) the Hoare annotation is: true [2019-11-26 02:53:49,754 INFO L447 ceAbstractionStarter]: At program point L1098-1(lines 952 1119) the Hoare annotation is: true [2019-11-26 02:53:49,754 INFO L447 ceAbstractionStarter]: At program point L973(lines 960 1118) the Hoare annotation is: true [2019-11-26 02:53:49,754 INFO L444 ceAbstractionStarter]: For program point L978(lines 978 982) no Hoare annotation was computed. [2019-11-26 02:53:49,754 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:53:49,754 INFO L444 ceAbstractionStarter]: For program point L59(lines 59 65) no Hoare annotation was computed. [2019-11-26 02:53:49,755 INFO L444 ceAbstractionStarter]: For program point L59-2(lines 59 65) no Hoare annotation was computed. [2019-11-26 02:53:49,755 INFO L447 ceAbstractionStarter]: At program point L984(lines 974 1117) the Hoare annotation is: true [2019-11-26 02:53:49,755 INFO L447 ceAbstractionStarter]: At program point L1120(lines 951 1121) the Hoare annotation is: true [2019-11-26 02:53:49,755 INFO L447 ceAbstractionStarter]: At program point L989(lines 989 996) the Hoare annotation is: true [2019-11-26 02:53:49,755 INFO L447 ceAbstractionStarter]: At program point L998(lines 985 1116) the Hoare annotation is: true [2019-11-26 02:53:49,755 INFO L447 ceAbstractionStarter]: At program point L1003(lines 1003 1010) the Hoare annotation is: true [2019-11-26 02:53:49,755 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-26 02:53:49,755 INFO L447 ceAbstractionStarter]: At program point L1672(lines 1672 1679) the Hoare annotation is: true [2019-11-26 02:53:49,756 INFO L447 ceAbstractionStarter]: At program point L1672-1(lines 1672 1679) the Hoare annotation is: true [2019-11-26 02:53:49,756 INFO L447 ceAbstractionStarter]: At program point L1012(lines 999 1115) the Hoare annotation is: true [2019-11-26 02:53:49,756 INFO L447 ceAbstractionStarter]: At program point L1017(lines 1017 1024) the Hoare annotation is: true [2019-11-26 02:53:49,756 INFO L444 ceAbstractionStarter]: For program point L1810(line 1810) no Hoare annotation was computed. [2019-11-26 02:53:49,756 INFO L444 ceAbstractionStarter]: For program point L1810-1(line 1810) no Hoare annotation was computed. [2019-11-26 02:53:49,756 INFO L440 ceAbstractionStarter]: At program point L1811(lines 52 68) the Hoare annotation is: (<= 1 ULTIMATE.start___utac_acc__EncryptVerify_spec__1_~tmp~0) [2019-11-26 02:53:49,756 INFO L447 ceAbstractionStarter]: At program point L1811-1(lines 52 68) the Hoare annotation is: true [2019-11-26 02:53:49,757 INFO L447 ceAbstractionStarter]: At program point L1026(lines 1013 1114) the Hoare annotation is: true [2019-11-26 02:53:49,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:53:49 BoogieIcfgContainer [2019-11-26 02:53:49,772 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:53:49,772 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:53:49,773 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:53:49,773 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:53:49,773 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:53:48" (3/4) ... [2019-11-26 02:53:49,778 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:53:49,824 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 494 nodes and edges [2019-11-26 02:53:49,829 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 122 nodes and edges [2019-11-26 02:53:49,834 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-11-26 02:53:49,839 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-26 02:53:49,844 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:53:49,849 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:53:50,201 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5ae3a69a-e866-4798-9ce6-fde1c1cd009c/bin/utaipan/witness.graphml [2019-11-26 02:53:50,201 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:53:50,204 INFO L168 Benchmark]: Toolchain (without parser) took 9957.68 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 298.3 MB). Free memory was 938.0 MB in the beginning and 1.2 GB in the end (delta: -214.7 MB). Peak memory consumption was 83.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:53:50,204 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:53:50,204 INFO L168 Benchmark]: CACSL2BoogieTranslator took 896.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -152.2 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:53:50,205 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.29 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 02:53:50,206 INFO L168 Benchmark]: Boogie Preprocessor took 105.33 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 02:53:50,207 INFO L168 Benchmark]: RCFGBuilder took 7370.69 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 61.3 MB). Free memory was 1.1 GB in the beginning and 871.2 MB in the end (delta: 197.6 MB). Peak memory consumption was 280.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:53:50,207 INFO L168 Benchmark]: TraceAbstraction took 1039.36 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 96.5 MB). Free memory was 871.2 MB in the beginning and 1.2 GB in the end (delta: -332.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:53:50,207 INFO L168 Benchmark]: Witness Printer took 428.93 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 50.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:53:50,209 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 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 896.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -152.2 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 113.29 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 105.33 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. * RCFGBuilder took 7370.69 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 61.3 MB). Free memory was 1.1 GB in the beginning and 871.2 MB in the end (delta: 197.6 MB). Peak memory consumption was 280.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1039.36 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 96.5 MB). Free memory was 871.2 MB in the beginning and 1.2 GB in the end (delta: -332.1 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 428.93 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 50.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1810]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1810]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 1003]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1045]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 951]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1098]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 989]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1031]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1084]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1080]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1616]: Loop Invariant Derived loop invariant: 1 <= tmp - InvariantResult [Line: 1027]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 964]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1017]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1070]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 974]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1066]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1013]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1055]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 <= tmp - InvariantResult [Line: 999]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1041]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1672]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1672]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 38 locations, 2 error locations. Result: SAFE, OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 170 SDtfs, 2 SDslu, 103 SDs, 0 SdLazy, 4 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred 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, 27 LocationsWithAnnotation, 27 PreInvPairs, 33 NumberOfFragments, 31 HoareAnnotationTreeSize, 27 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 27 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 205 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...