./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec11_product37.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_17bfdfde-51ec-45f2-a211-3e42589bddb8/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_17bfdfde-51ec-45f2-a211-3e42589bddb8/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_17bfdfde-51ec-45f2-a211-3e42589bddb8/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_17bfdfde-51ec-45f2-a211-3e42589bddb8/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec11_product37.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_17bfdfde-51ec-45f2-a211-3e42589bddb8/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_17bfdfde-51ec-45f2-a211-3e42589bddb8/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 7ca05e6fd9b54c962ff7b86f7872a8b47020035b .................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:10:46,069 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:10:46,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:10:46,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:10:46,081 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:10:46,082 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:10:46,083 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:10:46,085 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:10:46,087 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:10:46,088 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:10:46,089 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:10:46,090 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:10:46,090 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:10:46,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:10:46,092 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:10:46,093 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:10:46,093 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:10:46,094 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:10:46,096 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:10:46,098 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:10:46,100 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:10:46,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:10:46,102 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:10:46,102 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:10:46,105 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:10:46,105 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:10:46,105 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:10:46,106 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:10:46,106 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:10:46,107 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:10:46,107 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:10:46,108 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:10:46,110 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:10:46,110 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:10:46,111 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:10:46,111 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:10:46,112 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:10:46,112 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:10:46,112 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:10:46,113 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:10:46,114 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:10:46,114 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_17bfdfde-51ec-45f2-a211-3e42589bddb8/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:10:46,132 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:10:46,132 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:10:46,133 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:10:46,134 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:10:46,134 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:10:46,134 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:10:46,134 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:10:46,134 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:10:46,134 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:10:46,135 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:10:46,136 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:10:46,136 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:10:46,136 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:10:46,136 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:10:46,136 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:10:46,137 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:10:46,137 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:10:46,137 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:10:46,138 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:10:46,138 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:10:46,138 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:10:46,138 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:10:46,138 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:10:46,139 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:10:46,139 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:10:46,139 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:10:46,139 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:10:46,139 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:10:46,140 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:10:46,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:10:46,140 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:10:46,141 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:10:46,141 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:10:46,142 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:10:46,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:10:46,142 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:10:46,142 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:10:46,142 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_17bfdfde-51ec-45f2-a211-3e42589bddb8/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 -> 7ca05e6fd9b54c962ff7b86f7872a8b47020035b [2019-11-26 02:10:46,295 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:10:46,305 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:10:46,308 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:10:46,309 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:10:46,309 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:10:46,310 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_17bfdfde-51ec-45f2-a211-3e42589bddb8/bin/utaipan/../../sv-benchmarks/c/product-lines/email_spec11_product37.cil.c [2019-11-26 02:10:46,357 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_17bfdfde-51ec-45f2-a211-3e42589bddb8/bin/utaipan/data/7630de713/43575542975e496ca1021d0ddfc850f4/FLAG7a5be1fe6 [2019-11-26 02:10:46,877 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:10:46,878 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_17bfdfde-51ec-45f2-a211-3e42589bddb8/sv-benchmarks/c/product-lines/email_spec11_product37.cil.c [2019-11-26 02:10:46,905 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_17bfdfde-51ec-45f2-a211-3e42589bddb8/bin/utaipan/data/7630de713/43575542975e496ca1021d0ddfc850f4/FLAG7a5be1fe6 [2019-11-26 02:10:47,335 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_17bfdfde-51ec-45f2-a211-3e42589bddb8/bin/utaipan/data/7630de713/43575542975e496ca1021d0ddfc850f4 [2019-11-26 02:10:47,338 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:10:47,339 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:10:47,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:10:47,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:10:47,344 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:10:47,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:10:47" (1/1) ... [2019-11-26 02:10:47,347 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@140dba5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:47, skipping insertion in model container [2019-11-26 02:10:47,348 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:10:47" (1/1) ... [2019-11-26 02:10:47,354 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:10:47,432 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:10:48,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:10:48,075 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:10:48,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:10:48,235 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:10:48,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:48 WrapperNode [2019-11-26 02:10:48,236 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:10:48,236 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:10:48,236 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:10:48,237 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:10:48,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:48" (1/1) ... [2019-11-26 02:10:48,295 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:48" (1/1) ... [2019-11-26 02:10:48,375 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:10:48,375 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:10:48,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:10:48,375 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:10:48,384 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:48" (1/1) ... [2019-11-26 02:10:48,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:48" (1/1) ... [2019-11-26 02:10:48,390 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:48" (1/1) ... [2019-11-26 02:10:48,391 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:48" (1/1) ... [2019-11-26 02:10:48,413 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:48" (1/1) ... [2019-11-26 02:10:48,428 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:48" (1/1) ... [2019-11-26 02:10:48,434 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:48" (1/1) ... [2019-11-26 02:10:48,443 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:10:48,443 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:10:48,443 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:10:48,444 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:10:48,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_17bfdfde-51ec-45f2-a211-3e42589bddb8/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 02:10:48,522 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-26 02:10:48,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:10:48,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:10:48,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:10:48,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:10:54,035 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:10:54,036 INFO L284 CfgBuilder]: Removed 247 assume(true) statements. [2019-11-26 02:10:54,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:10:54 BoogieIcfgContainer [2019-11-26 02:10:54,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:10:54,038 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:10:54,038 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:10:54,041 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:10:54,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:10:47" (1/3) ... [2019-11-26 02:10:54,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21ea9dcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:10:54, skipping insertion in model container [2019-11-26 02:10:54,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:10:48" (2/3) ... [2019-11-26 02:10:54,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21ea9dcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:10:54, skipping insertion in model container [2019-11-26 02:10:54,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:10:54" (3/3) ... [2019-11-26 02:10:54,048 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product37.cil.c [2019-11-26 02:10:54,056 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:10:54,065 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-11-26 02:10:54,074 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-11-26 02:10:54,101 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:10:54,101 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:10:54,101 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:10:54,101 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:10:54,102 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:10:54,102 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:10:54,102 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:10:54,102 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:10:54,120 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2019-11-26 02:10:54,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:10:54,131 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:10:54,132 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:10:54,132 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:10:54,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:10:54,137 INFO L82 PathProgramCache]: Analyzing trace with hash -137817594, now seen corresponding path program 1 times [2019-11-26 02:10:54,145 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:10:54,146 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137587361] [2019-11-26 02:10:54,146 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:10:54,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:10:54,547 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 02:10:54,548 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137587361] [2019-11-26 02:10:54,550 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:10:54,550 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:10:54,551 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830888530] [2019-11-26 02:10:54,555 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-26 02:10:54,556 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:10:54,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-26 02:10:54,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:10:54,571 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2019-11-26 02:10:54,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:10:54,593 INFO L93 Difference]: Finished difference Result 58 states and 91 transitions. [2019-11-26 02:10:54,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-26 02:10:54,594 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2019-11-26 02:10:54,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:10:54,606 INFO L225 Difference]: With dead ends: 58 [2019-11-26 02:10:54,606 INFO L226 Difference]: Without dead ends: 38 [2019-11-26 02:10:54,612 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 02:10:54,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-11-26 02:10:54,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2019-11-26 02:10:54,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2019-11-26 02:10:54,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 61 transitions. [2019-11-26 02:10:54,644 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 61 transitions. Word has length 7 [2019-11-26 02:10:54,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:10:54,644 INFO L462 AbstractCegarLoop]: Abstraction has 38 states and 61 transitions. [2019-11-26 02:10:54,644 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-26 02:10:54,644 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2019-11-26 02:10:54,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:10:54,645 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:10:54,645 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:10:54,645 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:10:54,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:10:54,645 INFO L82 PathProgramCache]: Analyzing trace with hash 1603359639, now seen corresponding path program 1 times [2019-11-26 02:10:54,646 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:10:54,646 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144816779] [2019-11-26 02:10:54,646 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:10:54,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:10:54,735 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 02:10:54,736 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144816779] [2019-11-26 02:10:54,736 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:10:54,736 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:10:54,736 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672640535] [2019-11-26 02:10:54,738 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:10:54,738 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:10:54,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:10:54,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:10:54,738 INFO L87 Difference]: Start difference. First operand 38 states and 61 transitions. Second operand 3 states. [2019-11-26 02:10:54,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:10:54,755 INFO L93 Difference]: Finished difference Result 52 states and 76 transitions. [2019-11-26 02:10:54,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:10:54,756 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-26 02:10:54,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:10:54,757 INFO L225 Difference]: With dead ends: 52 [2019-11-26 02:10:54,757 INFO L226 Difference]: Without dead ends: 40 [2019-11-26 02:10:54,757 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 02:10:54,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-11-26 02:10:54,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-11-26 02:10:54,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-26 02:10:54,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 63 transitions. [2019-11-26 02:10:54,764 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 63 transitions. Word has length 8 [2019-11-26 02:10:54,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:10:54,764 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 63 transitions. [2019-11-26 02:10:54,764 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:10:54,765 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 63 transitions. [2019-11-26 02:10:54,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-26 02:10:54,765 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:10:54,765 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:10:54,766 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:10:54,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:10:54,766 INFO L82 PathProgramCache]: Analyzing trace with hash -983399767, now seen corresponding path program 1 times [2019-11-26 02:10:54,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:10:54,766 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106364207] [2019-11-26 02:10:54,767 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:10:54,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:10:54,898 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 02:10:54,899 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106364207] [2019-11-26 02:10:54,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:10:54,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:10:54,899 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669689402] [2019-11-26 02:10:54,899 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:10:54,900 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:10:54,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:10:54,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:10:54,900 INFO L87 Difference]: Start difference. First operand 40 states and 63 transitions. Second operand 3 states. [2019-11-26 02:10:54,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:10:54,920 INFO L93 Difference]: Finished difference Result 43 states and 66 transitions. [2019-11-26 02:10:54,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:10:54,922 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-11-26 02:10:54,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:10:54,922 INFO L225 Difference]: With dead ends: 43 [2019-11-26 02:10:54,922 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:10:54,923 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 02:10:54,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:10:54,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:10:54,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:10:54,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:10:54,923 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2019-11-26 02:10:54,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:10:54,924 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:10:54,924 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:10:54,924 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:10:54,924 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:10:54,927 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:10:54,967 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 1807) no Hoare annotation was computed. [2019-11-26 02:10:54,967 INFO L447 ceAbstractionStarter]: At program point L169(lines 156 272) the Hoare annotation is: true [2019-11-26 02:10:54,967 INFO L447 ceAbstractionStarter]: At program point L236(lines 223 267) the Hoare annotation is: true [2019-11-26 02:10:54,967 INFO L444 ceAbstractionStarter]: For program point L107(lines 106 276) no Hoare annotation was computed. [2019-11-26 02:10:54,968 INFO L447 ceAbstractionStarter]: At program point L174(lines 174 181) the Hoare annotation is: true [2019-11-26 02:10:54,968 INFO L447 ceAbstractionStarter]: At program point L241(lines 241 248) the Hoare annotation is: true [2019-11-26 02:10:54,968 INFO L444 ceAbstractionStarter]: For program point L114(lines 114 275) no Hoare annotation was computed. [2019-11-26 02:10:54,968 INFO L447 ceAbstractionStarter]: At program point L183(lines 170 271) the Hoare annotation is: true [2019-11-26 02:10:54,968 INFO L447 ceAbstractionStarter]: At program point L250(lines 237 266) the Hoare annotation is: true [2019-11-26 02:10:54,968 INFO L447 ceAbstractionStarter]: At program point L118(lines 118 125) the Hoare annotation is: true [2019-11-26 02:10:54,968 INFO L447 ceAbstractionStarter]: At program point L188(lines 188 195) the Hoare annotation is: true [2019-11-26 02:10:54,968 INFO L447 ceAbstractionStarter]: At program point L255(lines 255 262) the Hoare annotation is: true [2019-11-26 02:10:54,969 INFO L447 ceAbstractionStarter]: At program point L255-1(lines 106 276) the Hoare annotation is: true [2019-11-26 02:10:54,969 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:10:54,969 INFO L447 ceAbstractionStarter]: At program point L2371-1(lines 2371 2378) the Hoare annotation is: true [2019-11-26 02:10:54,969 INFO L447 ceAbstractionStarter]: At program point L2371(lines 2371 2378) the Hoare annotation is: true [2019-11-26 02:10:54,969 INFO L447 ceAbstractionStarter]: At program point L127(lines 114 275) the Hoare annotation is: true [2019-11-26 02:10:54,969 INFO L447 ceAbstractionStarter]: At program point L197(lines 184 270) the Hoare annotation is: true [2019-11-26 02:10:54,969 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1807) no Hoare annotation was computed. [2019-11-26 02:10:54,969 INFO L447 ceAbstractionStarter]: At program point L132(lines 132 139) the Hoare annotation is: true [2019-11-26 02:10:54,970 INFO L447 ceAbstractionStarter]: At program point L2315(lines 2315 2323) the Hoare annotation is: true [2019-11-26 02:10:54,970 INFO L447 ceAbstractionStarter]: At program point L2580(lines 2580 2586) the Hoare annotation is: true [2019-11-26 02:10:54,970 INFO L447 ceAbstractionStarter]: At program point L2580-2(lines 2580 2586) the Hoare annotation is: true [2019-11-26 02:10:54,970 INFO L447 ceAbstractionStarter]: At program point L2580-1(lines 2572 2589) the Hoare annotation is: true [2019-11-26 02:10:54,970 INFO L447 ceAbstractionStarter]: At program point L2580-3(lines 2572 2589) the Hoare annotation is: true [2019-11-26 02:10:54,970 INFO L447 ceAbstractionStarter]: At program point L202(lines 202 209) the Hoare annotation is: true [2019-11-26 02:10:54,970 INFO L444 ceAbstractionStarter]: For program point L1792(lines 1792 1798) no Hoare annotation was computed. [2019-11-26 02:10:54,970 INFO L444 ceAbstractionStarter]: For program point L1792-2(lines 1792 1798) no Hoare annotation was computed. [2019-11-26 02:10:54,970 INFO L447 ceAbstractionStarter]: At program point L141(lines 128 274) the Hoare annotation is: true [2019-11-26 02:10:54,971 INFO L447 ceAbstractionStarter]: At program point L277(lines 105 278) the Hoare annotation is: true [2019-11-26 02:10:54,971 INFO L447 ceAbstractionStarter]: At program point L211(lines 198 269) the Hoare annotation is: true [2019-11-26 02:10:54,971 INFO L447 ceAbstractionStarter]: At program point L146(lines 146 153) the Hoare annotation is: true [2019-11-26 02:10:54,971 INFO L444 ceAbstractionStarter]: For program point L216(lines 216 220) no Hoare annotation was computed. [2019-11-26 02:10:54,971 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-26 02:10:54,971 INFO L447 ceAbstractionStarter]: At program point L155(lines 142 273) the Hoare annotation is: true [2019-11-26 02:10:54,971 INFO L444 ceAbstractionStarter]: For program point L1807(line 1807) no Hoare annotation was computed. [2019-11-26 02:10:54,971 INFO L444 ceAbstractionStarter]: For program point L1807-1(line 1807) no Hoare annotation was computed. [2019-11-26 02:10:54,972 INFO L447 ceAbstractionStarter]: At program point L222(lines 212 268) the Hoare annotation is: true [2019-11-26 02:10:54,972 INFO L440 ceAbstractionStarter]: At program point L1808(lines 1784 1801) the Hoare annotation is: (<= 1 ULTIMATE.start___utac_acc__DecryptAutoResponder_spec__1_~tmp~6) [2019-11-26 02:10:54,972 INFO L447 ceAbstractionStarter]: At program point L1808-1(lines 1784 1801) the Hoare annotation is: true [2019-11-26 02:10:54,972 INFO L447 ceAbstractionStarter]: At program point L160(lines 160 167) the Hoare annotation is: true [2019-11-26 02:10:54,972 INFO L447 ceAbstractionStarter]: At program point L227(lines 227 234) the Hoare annotation is: true [2019-11-26 02:10:54,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:10:54 BoogieIcfgContainer [2019-11-26 02:10:54,983 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:10:54,983 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:10:54,983 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:10:54,983 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:10:54,984 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:10:54" (3/4) ... [2019-11-26 02:10:54,987 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:10:55,016 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 401 nodes and edges [2019-11-26 02:10:55,021 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 103 nodes and edges [2019-11-26 02:10:55,025 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2019-11-26 02:10:55,029 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-26 02:10:55,033 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:10:55,036 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:10:55,235 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_17bfdfde-51ec-45f2-a211-3e42589bddb8/bin/utaipan/witness.graphml [2019-11-26 02:10:55,235 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:10:55,237 INFO L168 Benchmark]: Toolchain (without parser) took 7897.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 199.8 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -130.7 MB). Peak memory consumption was 69.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:10:55,238 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:10:55,238 INFO L168 Benchmark]: CACSL2BoogieTranslator took 895.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -133.1 MB). Peak memory consumption was 29.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:10:55,238 INFO L168 Benchmark]: Boogie Procedure Inliner took 138.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:10:55,239 INFO L168 Benchmark]: Boogie Preprocessor took 67.95 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 02:10:55,239 INFO L168 Benchmark]: RCFGBuilder took 5593.92 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 77.1 MB). Free memory was 1.1 GB in the beginning and 853.8 MB in the end (delta: 202.6 MB). Peak memory consumption was 279.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:10:55,239 INFO L168 Benchmark]: TraceAbstraction took 944.63 ms. Allocated memory is still 1.2 GB. Free memory was 853.8 MB in the beginning and 1.1 GB in the end (delta: -252.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:10:55,240 INFO L168 Benchmark]: Witness Printer took 252.46 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: 36.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:10:55,242 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 895.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -133.1 MB). Peak memory consumption was 29.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 138.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 67.95 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 5593.92 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 77.1 MB). Free memory was 1.1 GB in the beginning and 853.8 MB in the end (delta: 202.6 MB). Peak memory consumption was 279.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 944.63 ms. Allocated memory is still 1.2 GB. Free memory was 853.8 MB in the beginning and 1.1 GB in the end (delta: -252.4 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 252.46 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: 36.0 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1807]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1807]: 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: 2371]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2371]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 188]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2572]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2580]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2580]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2572]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1784]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1784]: Loop Invariant Derived loop invariant: 1 <= tmp - InvariantResult [Line: 2315]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 42 locations, 2 error locations. Result: SAFE, OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 187 SDtfs, 4 SDslu, 111 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=42occurred 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, 32 LocationsWithAnnotation, 32 PreInvPairs, 45 NumberOfFragments, 34 HoareAnnotationTreeSize, 32 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 32 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...