./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec7_product27.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_011bc2cb-74b4-4b17-b5b7-e89e0a9363ad/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_011bc2cb-74b4-4b17-b5b7-e89e0a9363ad/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_011bc2cb-74b4-4b17-b5b7-e89e0a9363ad/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_011bc2cb-74b4-4b17-b5b7-e89e0a9363ad/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec7_product27.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_011bc2cb-74b4-4b17-b5b7-e89e0a9363ad/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_011bc2cb-74b4-4b17-b5b7-e89e0a9363ad/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 52b815f7b7cd5d9282307460e36a89693f1a1da7 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:14:51,906 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:14:51,908 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:14:51,922 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:14:51,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:14:51,924 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:14:51,926 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:14:51,934 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:14:51,939 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:14:51,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:14:51,944 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:14:51,946 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:14:51,946 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:14:51,948 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:14:51,949 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:14:51,950 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:14:51,951 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:14:51,952 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:14:51,954 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:14:51,958 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:14:51,961 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:14:51,965 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:14:51,966 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:14:51,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:14:51,970 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:14:51,971 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:14:51,971 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:14:51,972 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:14:51,973 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:14:51,974 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:14:51,974 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:14:51,975 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:14:51,975 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:14:51,976 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:14:51,977 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:14:51,977 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:14:51,978 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:14:51,978 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:14:51,978 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:14:51,979 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:14:51,980 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:14:51,981 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_011bc2cb-74b4-4b17-b5b7-e89e0a9363ad/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:14:51,995 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:14:51,996 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:14:51,996 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:14:51,997 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:14:51,997 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:14:51,997 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:14:51,997 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:14:51,997 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:14:51,998 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:14:51,998 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:14:51,998 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:14:51,998 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:14:51,999 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:14:51,999 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:14:51,999 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:14:52,000 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:14:52,000 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:14:52,000 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:14:52,000 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:14:52,000 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:14:52,001 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:14:52,001 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:14:52,001 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:14:52,001 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:14:52,002 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:14:52,002 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:14:52,002 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:14:52,002 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:14:52,002 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:14:52,003 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:14:52,003 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:14:52,003 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:14:52,003 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:14:52,004 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:14:52,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:14:52,004 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:14:52,004 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:14:52,004 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_011bc2cb-74b4-4b17-b5b7-e89e0a9363ad/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 -> 52b815f7b7cd5d9282307460e36a89693f1a1da7 [2019-11-26 02:14:52,168 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:14:52,185 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:14:52,188 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:14:52,192 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:14:52,193 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:14:52,193 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_011bc2cb-74b4-4b17-b5b7-e89e0a9363ad/bin/utaipan/../../sv-benchmarks/c/product-lines/email_spec7_product27.cil.c [2019-11-26 02:14:52,245 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_011bc2cb-74b4-4b17-b5b7-e89e0a9363ad/bin/utaipan/data/b8b441b72/33139356ff5b41a787dcc36fac81af88/FLAGe0bd4d13f [2019-11-26 02:14:52,809 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:14:52,809 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_011bc2cb-74b4-4b17-b5b7-e89e0a9363ad/sv-benchmarks/c/product-lines/email_spec7_product27.cil.c [2019-11-26 02:14:52,829 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_011bc2cb-74b4-4b17-b5b7-e89e0a9363ad/bin/utaipan/data/b8b441b72/33139356ff5b41a787dcc36fac81af88/FLAGe0bd4d13f [2019-11-26 02:14:53,215 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_011bc2cb-74b4-4b17-b5b7-e89e0a9363ad/bin/utaipan/data/b8b441b72/33139356ff5b41a787dcc36fac81af88 [2019-11-26 02:14:53,217 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:14:53,218 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:14:53,219 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:14:53,219 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:14:53,222 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:14:53,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:14:53" (1/1) ... [2019-11-26 02:14:53,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31191da5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:53, skipping insertion in model container [2019-11-26 02:14:53,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:14:53" (1/1) ... [2019-11-26 02:14:53,230 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:14:53,307 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:14:54,009 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:14:54,035 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:14:54,175 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:14:54,265 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:14:54,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:54 WrapperNode [2019-11-26 02:14:54,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:14:54,267 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:14:54,267 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:14:54,267 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:14:54,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:54" (1/1) ... [2019-11-26 02:14:54,318 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:54" (1/1) ... [2019-11-26 02:14:54,431 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:14:54,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:14:54,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:14:54,432 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:14:54,440 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:54" (1/1) ... [2019-11-26 02:14:54,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:54" (1/1) ... [2019-11-26 02:14:54,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:54" (1/1) ... [2019-11-26 02:14:54,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:54" (1/1) ... [2019-11-26 02:14:54,498 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:54" (1/1) ... [2019-11-26 02:14:54,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:54" (1/1) ... [2019-11-26 02:14:54,578 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:54" (1/1) ... [2019-11-26 02:14:54,606 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:14:54,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:14:54,612 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:14:54,613 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:14:54,613 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_011bc2cb-74b4-4b17-b5b7-e89e0a9363ad/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 02:14:54,680 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-26 02:14:54,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:14:54,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:14:54,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:14:54,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:15:09,103 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:15:09,103 INFO L284 CfgBuilder]: Removed 685 assume(true) statements. [2019-11-26 02:15:09,105 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:15:09 BoogieIcfgContainer [2019-11-26 02:15:09,105 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:15:09,105 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:15:09,106 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:15:09,108 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:15:09,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:14:53" (1/3) ... [2019-11-26 02:15:09,111 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c44235f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:15:09, skipping insertion in model container [2019-11-26 02:15:09,111 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:14:54" (2/3) ... [2019-11-26 02:15:09,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c44235f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:15:09, skipping insertion in model container [2019-11-26 02:15:09,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:15:09" (3/3) ... [2019-11-26 02:15:09,114 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec7_product27.cil.c [2019-11-26 02:15:09,122 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:15:09,129 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2019-11-26 02:15:09,138 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-11-26 02:15:09,162 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:15:09,162 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:15:09,162 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:15:09,163 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:15:09,163 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:15:09,163 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:15:09,163 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:15:09,163 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:15:09,180 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2019-11-26 02:15:09,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:15:09,186 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:15:09,187 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:15:09,187 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 02:15:09,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:15:09,192 INFO L82 PathProgramCache]: Analyzing trace with hash -1201244430, now seen corresponding path program 1 times [2019-11-26 02:15:09,201 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:15:09,201 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066201870] [2019-11-26 02:15:09,202 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:15:09,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:15:09,576 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 02:15:09,577 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066201870] [2019-11-26 02:15:09,578 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:15:09,579 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:15:09,579 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467864136] [2019-11-26 02:15:09,584 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-26 02:15:09,585 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:15:09,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-26 02:15:09,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:15:09,600 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2019-11-26 02:15:09,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:15:09,629 INFO L93 Difference]: Finished difference Result 88 states and 129 transitions. [2019-11-26 02:15:09,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-26 02:15:09,631 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2019-11-26 02:15:09,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:15:09,644 INFO L225 Difference]: With dead ends: 88 [2019-11-26 02:15:09,644 INFO L226 Difference]: Without dead ends: 53 [2019-11-26 02:15:09,648 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 02:15:09,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-11-26 02:15:09,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-11-26 02:15:09,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-11-26 02:15:09,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2019-11-26 02:15:09,696 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 7 [2019-11-26 02:15:09,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:15:09,696 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2019-11-26 02:15:09,696 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-26 02:15:09,696 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2019-11-26 02:15:09,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:15:09,697 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:15:09,697 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:15:09,698 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 02:15:09,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:15:09,698 INFO L82 PathProgramCache]: Analyzing trace with hash -156457403, now seen corresponding path program 1 times [2019-11-26 02:15:09,698 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:15:09,699 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600976389] [2019-11-26 02:15:09,699 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:15:09,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:15:09,851 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 02:15:09,852 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600976389] [2019-11-26 02:15:09,852 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:15:09,852 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:15:09,852 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372679484] [2019-11-26 02:15:09,853 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:15:09,853 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:15:09,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:15:09,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:15:09,854 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 3 states. [2019-11-26 02:15:09,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:15:09,875 INFO L93 Difference]: Finished difference Result 82 states and 106 transitions. [2019-11-26 02:15:09,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:15:09,875 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-26 02:15:09,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:15:09,878 INFO L225 Difference]: With dead ends: 82 [2019-11-26 02:15:09,878 INFO L226 Difference]: Without dead ends: 55 [2019-11-26 02:15:09,880 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 02:15:09,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-11-26 02:15:09,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2019-11-26 02:15:09,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2019-11-26 02:15:09,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 78 transitions. [2019-11-26 02:15:09,898 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 78 transitions. Word has length 8 [2019-11-26 02:15:09,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:15:09,899 INFO L462 AbstractCegarLoop]: Abstraction has 55 states and 78 transitions. [2019-11-26 02:15:09,899 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:15:09,899 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 78 transitions. [2019-11-26 02:15:09,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-26 02:15:09,900 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:15:09,900 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:15:09,901 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 02:15:09,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:15:09,902 INFO L82 PathProgramCache]: Analyzing trace with hash 1588302627, now seen corresponding path program 1 times [2019-11-26 02:15:09,902 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:15:09,902 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228563844] [2019-11-26 02:15:09,902 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:15:09,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:15:10,049 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 02:15:10,049 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228563844] [2019-11-26 02:15:10,050 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:15:10,050 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:15:10,050 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208488329] [2019-11-26 02:15:10,050 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:15:10,050 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:15:10,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:15:10,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:15:10,051 INFO L87 Difference]: Start difference. First operand 55 states and 78 transitions. Second operand 3 states. [2019-11-26 02:15:10,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:15:10,117 INFO L93 Difference]: Finished difference Result 55 states and 78 transitions. [2019-11-26 02:15:10,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:15:10,118 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-11-26 02:15:10,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:15:10,118 INFO L225 Difference]: With dead ends: 55 [2019-11-26 02:15:10,119 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:15:10,119 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 02:15:10,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:15:10,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:15:10,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:15:10,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:15:10,120 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2019-11-26 02:15:10,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:15:10,120 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:15:10,120 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:15:10,121 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:15:10,121 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:15:10,125 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:15:10,186 INFO L447 ceAbstractionStarter]: At program point L236(lines 223 252) the Hoare annotation is: true [2019-11-26 02:15:10,186 INFO L447 ceAbstractionStarter]: At program point L241(lines 241 248) the Hoare annotation is: true [2019-11-26 02:15:10,186 INFO L447 ceAbstractionStarter]: At program point L241-1(lines 89 262) the Hoare annotation is: true [2019-11-26 02:15:10,186 INFO L444 ceAbstractionStarter]: For program point L2885(lines 2885 2891) no Hoare annotation was computed. [2019-11-26 02:15:10,186 INFO L444 ceAbstractionStarter]: For program point L2885-2(lines 2885 2891) no Hoare annotation was computed. [2019-11-26 02:15:10,186 INFO L444 ceAbstractionStarter]: For program point L2885-4(lines 2885 2891) no Hoare annotation was computed. [2019-11-26 02:15:10,187 INFO L444 ceAbstractionStarter]: For program point L2885-6(lines 2885 2891) no Hoare annotation was computed. [2019-11-26 02:15:10,187 INFO L444 ceAbstractionStarter]: For program point L2885-8(lines 2885 2891) no Hoare annotation was computed. [2019-11-26 02:15:10,187 INFO L444 ceAbstractionStarter]: For program point L2885-10(lines 2885 2891) no Hoare annotation was computed. [2019-11-26 02:15:10,187 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 697) no Hoare annotation was computed. [2019-11-26 02:15:10,187 INFO L447 ceAbstractionStarter]: At program point L263(lines 88 264) the Hoare annotation is: true [2019-11-26 02:15:10,187 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 697) no Hoare annotation was computed. [2019-11-26 02:15:10,187 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 697) no Hoare annotation was computed. [2019-11-26 02:15:10,188 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:15:10,188 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 697) no Hoare annotation was computed. [2019-11-26 02:15:10,188 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-26 02:15:10,188 INFO L444 ceAbstractionStarter]: For program point L90(lines 89 262) no Hoare annotation was computed. [2019-11-26 02:15:10,188 INFO L444 ceAbstractionStarter]: For program point L97(lines 97 261) no Hoare annotation was computed. [2019-11-26 02:15:10,188 INFO L447 ceAbstractionStarter]: At program point L364(lines 364 383) the Hoare annotation is: true [2019-11-26 02:15:10,188 INFO L440 ceAbstractionStarter]: At program point L364-1(lines 364 383) the Hoare annotation is: (= 1 ULTIMATE.start___utac_acc__EncryptVerify_spec__1_~tmp~19) [2019-11-26 02:15:10,189 INFO L447 ceAbstractionStarter]: At program point L101(lines 101 108) the Hoare annotation is: true [2019-11-26 02:15:10,189 INFO L447 ceAbstractionStarter]: At program point L110(lines 97 261) the Hoare annotation is: true [2019-11-26 02:15:10,189 INFO L447 ceAbstractionStarter]: At program point L115(lines 115 122) the Hoare annotation is: true [2019-11-26 02:15:10,189 INFO L447 ceAbstractionStarter]: At program point L124(lines 111 260) the Hoare annotation is: true [2019-11-26 02:15:10,189 INFO L447 ceAbstractionStarter]: At program point L129(lines 129 136) the Hoare annotation is: true [2019-11-26 02:15:10,189 INFO L447 ceAbstractionStarter]: At program point L138(lines 125 259) the Hoare annotation is: true [2019-11-26 02:15:10,189 INFO L447 ceAbstractionStarter]: At program point L143(lines 143 150) the Hoare annotation is: true [2019-11-26 02:15:10,189 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 697) no Hoare annotation was computed. [2019-11-26 02:15:10,190 INFO L440 ceAbstractionStarter]: At program point L1204(lines 1204 1212) the Hoare annotation is: (= 1 ULTIMATE.start___utac_acc__EncryptVerify_spec__1_~tmp~19) [2019-11-26 02:15:10,190 INFO L447 ceAbstractionStarter]: At program point L152(lines 139 258) the Hoare annotation is: true [2019-11-26 02:15:10,190 INFO L447 ceAbstractionStarter]: At program point L157(lines 157 164) the Hoare annotation is: true [2019-11-26 02:15:10,190 INFO L447 ceAbstractionStarter]: At program point L166(lines 153 257) the Hoare annotation is: true [2019-11-26 02:15:10,190 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 697) no Hoare annotation was computed. [2019-11-26 02:15:10,190 INFO L444 ceAbstractionStarter]: For program point L697(line 697) no Hoare annotation was computed. [2019-11-26 02:15:10,190 INFO L444 ceAbstractionStarter]: For program point L697-1(line 697) no Hoare annotation was computed. [2019-11-26 02:15:10,191 INFO L444 ceAbstractionStarter]: For program point L697-2(line 697) no Hoare annotation was computed. [2019-11-26 02:15:10,191 INFO L444 ceAbstractionStarter]: For program point L697-3(line 697) no Hoare annotation was computed. [2019-11-26 02:15:10,191 INFO L444 ceAbstractionStarter]: For program point L697-4(line 697) no Hoare annotation was computed. [2019-11-26 02:15:10,191 INFO L444 ceAbstractionStarter]: For program point L697-5(line 697) no Hoare annotation was computed. [2019-11-26 02:15:10,191 INFO L440 ceAbstractionStarter]: At program point L698(lines 2878 2894) the Hoare annotation is: (= 1 ULTIMATE.start___utac_acc__EncryptVerify_spec__1_~tmp~19) [2019-11-26 02:15:10,191 INFO L440 ceAbstractionStarter]: At program point L698-1(lines 2878 2894) the Hoare annotation is: (= 1 ULTIMATE.start___utac_acc__EncryptVerify_spec__1_~tmp~19) [2019-11-26 02:15:10,191 INFO L440 ceAbstractionStarter]: At program point L698-2(lines 2878 2894) the Hoare annotation is: (= 1 ULTIMATE.start___utac_acc__EncryptVerify_spec__1_~tmp~19) [2019-11-26 02:15:10,191 INFO L440 ceAbstractionStarter]: At program point L698-3(lines 2878 2894) the Hoare annotation is: (= 1 ULTIMATE.start___utac_acc__EncryptVerify_spec__1_~tmp~19) [2019-11-26 02:15:10,192 INFO L447 ceAbstractionStarter]: At program point L698-4(lines 2878 2894) the Hoare annotation is: true [2019-11-26 02:15:10,192 INFO L447 ceAbstractionStarter]: At program point L698-5(lines 2878 2894) the Hoare annotation is: true [2019-11-26 02:15:10,192 INFO L447 ceAbstractionStarter]: At program point L171(lines 171 178) the Hoare annotation is: true [2019-11-26 02:15:10,192 INFO L447 ceAbstractionStarter]: At program point L180(lines 167 256) the Hoare annotation is: true [2019-11-26 02:15:10,192 INFO L440 ceAbstractionStarter]: At program point L446-5(lines 483 495) the Hoare annotation is: (= 1 ULTIMATE.start___utac_acc__EncryptVerify_spec__1_~tmp~19) [2019-11-26 02:15:10,193 INFO L447 ceAbstractionStarter]: At program point L185(lines 185 192) the Hoare annotation is: true [2019-11-26 02:15:10,193 INFO L447 ceAbstractionStarter]: At program point L194(lines 181 255) the Hoare annotation is: true [2019-11-26 02:15:10,193 INFO L447 ceAbstractionStarter]: At program point L199(lines 199 206) the Hoare annotation is: true [2019-11-26 02:15:10,193 INFO L447 ceAbstractionStarter]: At program point L1260(lines 1260 1267) the Hoare annotation is: true [2019-11-26 02:15:10,194 INFO L447 ceAbstractionStarter]: At program point L1260-1(lines 1260 1267) the Hoare annotation is: true [2019-11-26 02:15:10,194 INFO L447 ceAbstractionStarter]: At program point L208(lines 195 254) the Hoare annotation is: true [2019-11-26 02:15:10,194 INFO L447 ceAbstractionStarter]: At program point L213(lines 213 220) the Hoare annotation is: true [2019-11-26 02:15:10,194 INFO L447 ceAbstractionStarter]: At program point L222(lines 209 253) the Hoare annotation is: true [2019-11-26 02:15:10,194 INFO L447 ceAbstractionStarter]: At program point L227(lines 227 234) the Hoare annotation is: true [2019-11-26 02:15:10,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:15:10 BoogieIcfgContainer [2019-11-26 02:15:10,206 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:15:10,206 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:15:10,206 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:15:10,206 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:15:10,207 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:15:09" (3/4) ... [2019-11-26 02:15:10,210 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:15:10,270 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1118 nodes and edges [2019-11-26 02:15:10,282 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 253 nodes and edges [2019-11-26 02:15:10,292 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2019-11-26 02:15:10,301 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-26 02:15:10,304 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:15:10,307 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:15:10,690 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_011bc2cb-74b4-4b17-b5b7-e89e0a9363ad/bin/utaipan/witness.graphml [2019-11-26 02:15:10,690 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:15:10,692 INFO L168 Benchmark]: Toolchain (without parser) took 17473.71 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 515.9 MB). Free memory was 939.3 MB in the beginning and 860.4 MB in the end (delta: 79.0 MB). Peak memory consumption was 594.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:15:10,693 INFO L168 Benchmark]: CDTParser took 0.19 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 02:15:10,693 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1047.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -126.2 MB). Peak memory consumption was 29.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:15:10,693 INFO L168 Benchmark]: Boogie Procedure Inliner took 164.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:15:10,694 INFO L168 Benchmark]: Boogie Preprocessor took 179.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:15:10,694 INFO L168 Benchmark]: RCFGBuilder took 14493.78 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 390.6 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -38.7 MB). Peak memory consumption was 656.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:15:10,694 INFO L168 Benchmark]: TraceAbstraction took 1100.46 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 973.4 MB in the end (delta: 96.3 MB). Peak memory consumption was 96.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:15:10,695 INFO L168 Benchmark]: Witness Printer took 484.18 ms. Allocated memory is still 1.5 GB. Free memory was 973.4 MB in the beginning and 860.4 MB in the end (delta: 113.0 MB). Peak memory consumption was 113.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:15:10,697 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1047.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -126.2 MB). Peak memory consumption was 29.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 164.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 179.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 14493.78 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 390.6 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -38.7 MB). Peak memory consumption was 656.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1100.46 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 973.4 MB in the end (delta: 96.3 MB). Peak memory consumption was 96.3 MB. Max. memory is 11.5 GB. * Witness Printer took 484.18 ms. Allocated memory is still 1.5 GB. Free memory was 973.4 MB in the beginning and 860.4 MB in the end (delta: 113.0 MB). Peak memory consumption was 113.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 697]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 697]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 697]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 697]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 697]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 697]: 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: 483]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 2878]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 89]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2878]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2878]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2878]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2878]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2878]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 364]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1260]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1260]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 364]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1204]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 57 locations, 6 error locations. Result: SAFE, OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 218 SDtfs, 8 SDslu, 123 SDs, 0 SdLazy, 7 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 36 LocationsWithAnnotation, 36 PreInvPairs, 49 NumberOfFragments, 50 HoareAnnotationTreeSize, 36 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 36 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 256 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...