./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec0_product05.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_e6072117-dbf6-42c7-a976-42e055a4a68a/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e6072117-dbf6-42c7-a976-42e055a4a68a/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e6072117-dbf6-42c7-a976-42e055a4a68a/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e6072117-dbf6-42c7-a976-42e055a4a68a/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec0_product05.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e6072117-dbf6-42c7-a976-42e055a4a68a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e6072117-dbf6-42c7-a976-42e055a4a68a/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 287a23d08eab86c6fb35463a3e779b64ab9bd712 ............................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:12:41,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:12:41,364 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:12:41,375 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:12:41,376 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:12:41,378 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:12:41,379 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:12:41,381 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:12:41,385 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:12:41,387 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:12:41,393 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:12:41,395 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:12:41,395 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:12:41,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:12:41,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:12:41,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:12:41,401 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:12:41,404 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:12:41,406 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:12:41,409 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:12:41,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:12:41,414 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:12:41,417 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:12:41,418 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:12:41,421 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:12:41,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:12:41,423 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:12:41,424 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:12:41,425 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:12:41,426 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:12:41,426 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:12:41,427 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:12:41,428 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:12:41,429 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:12:41,430 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:12:41,430 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:12:41,430 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:12:41,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:12:41,431 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:12:41,431 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:12:41,432 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:12:41,432 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e6072117-dbf6-42c7-a976-42e055a4a68a/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:12:41,444 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:12:41,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:12:41,445 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:12:41,445 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:12:41,446 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:12:41,446 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:12:41,446 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:12:41,446 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:12:41,446 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:12:41,446 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:12:41,447 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:12:41,447 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:12:41,447 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:12:41,447 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:12:41,447 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:12:41,448 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:12:41,448 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:12:41,448 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:12:41,448 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:12:41,449 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:12:41,449 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:12:41,449 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:12:41,449 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:12:41,449 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:12:41,449 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:12:41,450 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:12:41,450 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:12:41,450 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:12:41,450 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:12:41,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:12:41,451 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:12:41,451 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:12:41,451 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:12:41,451 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:12:41,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:12:41,451 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:12:41,452 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:12:41,452 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_e6072117-dbf6-42c7-a976-42e055a4a68a/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 -> 287a23d08eab86c6fb35463a3e779b64ab9bd712 [2019-11-26 02:12:41,605 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:12:41,615 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:12:41,617 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:12:41,618 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:12:41,619 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:12:41,619 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e6072117-dbf6-42c7-a976-42e055a4a68a/bin/utaipan/../../sv-benchmarks/c/product-lines/email_spec0_product05.cil.c [2019-11-26 02:12:41,669 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e6072117-dbf6-42c7-a976-42e055a4a68a/bin/utaipan/data/3d3e3c608/0dc03d8a158f48f79aa0c7594fe352c3/FLAG6dd892fb8 [2019-11-26 02:12:42,175 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:12:42,178 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e6072117-dbf6-42c7-a976-42e055a4a68a/sv-benchmarks/c/product-lines/email_spec0_product05.cil.c [2019-11-26 02:12:42,194 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e6072117-dbf6-42c7-a976-42e055a4a68a/bin/utaipan/data/3d3e3c608/0dc03d8a158f48f79aa0c7594fe352c3/FLAG6dd892fb8 [2019-11-26 02:12:42,687 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e6072117-dbf6-42c7-a976-42e055a4a68a/bin/utaipan/data/3d3e3c608/0dc03d8a158f48f79aa0c7594fe352c3 [2019-11-26 02:12:42,689 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:12:42,690 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:12:42,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:12:42,692 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:12:42,695 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:12:42,695 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:12:42" (1/1) ... [2019-11-26 02:12:42,698 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@566abe8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:12:42, skipping insertion in model container [2019-11-26 02:12:42,698 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:12:42" (1/1) ... [2019-11-26 02:12:42,705 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:12:42,782 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:12:43,313 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:12:43,328 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:12:43,456 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:12:43,508 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:12:43,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:12:43 WrapperNode [2019-11-26 02:12:43,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:12:43,509 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:12:43,509 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:12:43,510 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:12:43,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:12:43" (1/1) ... [2019-11-26 02:12:43,541 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:12:43" (1/1) ... [2019-11-26 02:12:43,599 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:12:43,609 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:12:43,609 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:12:43,609 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:12:43,615 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:12:43" (1/1) ... [2019-11-26 02:12:43,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:12:43" (1/1) ... [2019-11-26 02:12:43,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:12:43" (1/1) ... [2019-11-26 02:12:43,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:12:43" (1/1) ... [2019-11-26 02:12:43,638 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:12:43" (1/1) ... [2019-11-26 02:12:43,647 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:12:43" (1/1) ... [2019-11-26 02:12:43,652 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:12:43" (1/1) ... [2019-11-26 02:12:43,659 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:12:43,660 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:12:43,660 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:12:43,660 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:12:43,661 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:12:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6072117-dbf6-42c7-a976-42e055a4a68a/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 02:12:43,714 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-26 02:12:43,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:12:43,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:12:43,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:12:43,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:12:45,908 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:12:45,908 INFO L284 CfgBuilder]: Removed 127 assume(true) statements. [2019-11-26 02:12:45,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:12:45 BoogieIcfgContainer [2019-11-26 02:12:45,909 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:12:45,910 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:12:45,910 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:12:45,913 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:12:45,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:12:42" (1/3) ... [2019-11-26 02:12:45,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12f55486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:12:45, skipping insertion in model container [2019-11-26 02:12:45,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:12:43" (2/3) ... [2019-11-26 02:12:45,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12f55486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:12:45, skipping insertion in model container [2019-11-26 02:12:45,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:12:45" (3/3) ... [2019-11-26 02:12:45,922 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec0_product05.cil.c [2019-11-26 02:12:45,932 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:12:45,937 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-11-26 02:12:45,947 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-11-26 02:12:45,972 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:12:45,972 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:12:45,973 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:12:45,973 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:12:45,973 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:12:45,973 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:12:45,973 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:12:45,974 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:12:45,989 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2019-11-26 02:12:45,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:12:45,997 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:12:45,998 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:12:45,998 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:12:46,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:12:46,003 INFO L82 PathProgramCache]: Analyzing trace with hash -1047807833, now seen corresponding path program 1 times [2019-11-26 02:12:46,011 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:12:46,012 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320325486] [2019-11-26 02:12:46,012 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:12:46,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:12:46,330 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 02:12:46,330 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320325486] [2019-11-26 02:12:46,331 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:12:46,331 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:12:46,332 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104498979] [2019-11-26 02:12:46,336 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-26 02:12:46,336 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:12:46,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-26 02:12:46,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:12:46,351 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 2 states. [2019-11-26 02:12:46,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:12:46,373 INFO L93 Difference]: Finished difference Result 56 states and 89 transitions. [2019-11-26 02:12:46,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-26 02:12:46,375 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2019-11-26 02:12:46,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:12:46,388 INFO L225 Difference]: With dead ends: 56 [2019-11-26 02:12:46,388 INFO L226 Difference]: Without dead ends: 38 [2019-11-26 02:12:46,392 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 02:12:46,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-11-26 02:12:46,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2019-11-26 02:12:46,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2019-11-26 02:12:46,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 61 transitions. [2019-11-26 02:12:46,438 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 61 transitions. Word has length 7 [2019-11-26 02:12:46,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:12:46,438 INFO L462 AbstractCegarLoop]: Abstraction has 38 states and 61 transitions. [2019-11-26 02:12:46,438 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-26 02:12:46,439 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2019-11-26 02:12:46,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:12:46,440 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:12:46,440 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:12:46,441 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:12:46,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:12:46,441 INFO L82 PathProgramCache]: Analyzing trace with hash -800339837, now seen corresponding path program 1 times [2019-11-26 02:12:46,441 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:12:46,442 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525130970] [2019-11-26 02:12:46,442 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:12:46,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:12:46,552 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 02:12:46,553 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525130970] [2019-11-26 02:12:46,553 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:12:46,553 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:12:46,553 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536065079] [2019-11-26 02:12:46,554 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:12:46,554 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:12:46,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:12:46,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:12:46,555 INFO L87 Difference]: Start difference. First operand 38 states and 61 transitions. Second operand 3 states. [2019-11-26 02:12:46,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:12:46,566 INFO L93 Difference]: Finished difference Result 52 states and 76 transitions. [2019-11-26 02:12:46,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:12:46,567 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-11-26 02:12:46,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:12:46,568 INFO L225 Difference]: With dead ends: 52 [2019-11-26 02:12:46,568 INFO L226 Difference]: Without dead ends: 40 [2019-11-26 02:12:46,569 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 02:12:46,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-11-26 02:12:46,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2019-11-26 02:12:46,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-26 02:12:46,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 63 transitions. [2019-11-26 02:12:46,575 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 63 transitions. Word has length 8 [2019-11-26 02:12:46,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:12:46,575 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 63 transitions. [2019-11-26 02:12:46,575 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:12:46,575 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 63 transitions. [2019-11-26 02:12:46,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-26 02:12:46,576 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:12:46,576 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:12:46,577 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:12:46,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:12:46,577 INFO L82 PathProgramCache]: Analyzing trace with hash 365410841, now seen corresponding path program 1 times [2019-11-26 02:12:46,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:12:46,578 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357848829] [2019-11-26 02:12:46,578 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:12:46,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:12:46,651 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 02:12:46,652 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357848829] [2019-11-26 02:12:46,652 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:12:46,652 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:12:46,652 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086583405] [2019-11-26 02:12:46,652 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:12:46,653 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:12:46,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:12:46,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:12:46,653 INFO L87 Difference]: Start difference. First operand 40 states and 63 transitions. Second operand 3 states. [2019-11-26 02:12:46,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:12:46,670 INFO L93 Difference]: Finished difference Result 43 states and 66 transitions. [2019-11-26 02:12:46,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:12:46,670 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-11-26 02:12:46,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:12:46,671 INFO L225 Difference]: With dead ends: 43 [2019-11-26 02:12:46,671 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:12:46,671 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 02:12:46,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:12:46,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:12:46,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:12:46,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:12:46,672 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2019-11-26 02:12:46,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:12:46,672 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:12:46,673 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:12:46,673 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:12:46,673 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:12:46,677 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:12:46,719 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 197) no Hoare annotation was computed. [2019-11-26 02:12:46,720 INFO L444 ceAbstractionStarter]: For program point L366(lines 366 370) no Hoare annotation was computed. [2019-11-26 02:12:46,720 INFO L444 ceAbstractionStarter]: For program point L333(lines 333 337) no Hoare annotation was computed. [2019-11-26 02:12:46,720 INFO L447 ceAbstractionStarter]: At program point L366-1(lines 241 384) the Hoare annotation is: true [2019-11-26 02:12:46,720 INFO L447 ceAbstractionStarter]: At program point L303(lines 293 379) the Hoare annotation is: true [2019-11-26 02:12:46,720 INFO L447 ceAbstractionStarter]: At program point L270(lines 260 382) the Hoare annotation is: true [2019-11-26 02:12:46,720 INFO L447 ceAbstractionStarter]: At program point L171(lines 171 178) the Hoare annotation is: true [2019-11-26 02:12:46,720 INFO L447 ceAbstractionStarter]: At program point L171-1(lines 171 178) the Hoare annotation is: true [2019-11-26 02:12:46,721 INFO L447 ceAbstractionStarter]: At program point L339(lines 329 376) the Hoare annotation is: true [2019-11-26 02:12:46,721 INFO L447 ceAbstractionStarter]: At program point L308(lines 308 315) the Hoare annotation is: true [2019-11-26 02:12:46,721 INFO L444 ceAbstractionStarter]: For program point L275(lines 275 279) no Hoare annotation was computed. [2019-11-26 02:12:46,721 INFO L444 ceAbstractionStarter]: For program point L242(lines 241 384) no Hoare annotation was computed. [2019-11-26 02:12:46,721 INFO L444 ceAbstractionStarter]: For program point L344(lines 344 348) no Hoare annotation was computed. [2019-11-26 02:12:46,721 INFO L447 ceAbstractionStarter]: At program point L115(lines 115 123) the Hoare annotation is: true [2019-11-26 02:12:46,721 INFO L447 ceAbstractionStarter]: At program point L281(lines 271 381) the Hoare annotation is: true [2019-11-26 02:12:46,721 INFO L444 ceAbstractionStarter]: For program point L249(lines 249 383) no Hoare annotation was computed. [2019-11-26 02:12:46,722 INFO L447 ceAbstractionStarter]: At program point L350(lines 340 375) the Hoare annotation is: true [2019-11-26 02:12:46,722 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-26 02:12:46,722 INFO L447 ceAbstractionStarter]: At program point L317(lines 304 378) the Hoare annotation is: true [2019-11-26 02:12:46,722 INFO L447 ceAbstractionStarter]: At program point L385(lines 240 386) the Hoare annotation is: true [2019-11-26 02:12:46,722 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 290) no Hoare annotation was computed. [2019-11-26 02:12:46,722 INFO L444 ceAbstractionStarter]: For program point L253(lines 253 257) no Hoare annotation was computed. [2019-11-26 02:12:46,722 INFO L447 ceAbstractionStarter]: At program point L2335-1(lines 1 2539) the Hoare annotation is: true [2019-11-26 02:12:46,722 INFO L447 ceAbstractionStarter]: At program point L2335(lines 2335 2342) the Hoare annotation is: true [2019-11-26 02:12:46,722 INFO L447 ceAbstractionStarter]: At program point L2335-2(lines 2335 2342) the Hoare annotation is: true [2019-11-26 02:12:46,723 INFO L444 ceAbstractionStarter]: For program point L355(lines 355 359) no Hoare annotation was computed. [2019-11-26 02:12:46,723 INFO L444 ceAbstractionStarter]: For program point L322(lines 322 326) no Hoare annotation was computed. [2019-11-26 02:12:46,723 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:12:46,723 INFO L444 ceAbstractionStarter]: For program point L1181(lines 1181 1187) no Hoare annotation was computed. [2019-11-26 02:12:46,723 INFO L444 ceAbstractionStarter]: For program point L1181-2(lines 1181 1187) no Hoare annotation was computed. [2019-11-26 02:12:46,723 INFO L447 ceAbstractionStarter]: At program point L292(lines 282 380) the Hoare annotation is: true [2019-11-26 02:12:46,723 INFO L447 ceAbstractionStarter]: At program point L259(lines 249 383) the Hoare annotation is: true [2019-11-26 02:12:46,723 INFO L447 ceAbstractionStarter]: At program point L361(lines 351 374) the Hoare annotation is: true [2019-11-26 02:12:46,723 INFO L447 ceAbstractionStarter]: At program point L328(lines 318 377) the Hoare annotation is: true [2019-11-26 02:12:46,724 INFO L444 ceAbstractionStarter]: For program point L197(line 197) no Hoare annotation was computed. [2019-11-26 02:12:46,724 INFO L444 ceAbstractionStarter]: For program point L197-1(line 197) no Hoare annotation was computed. [2019-11-26 02:12:46,724 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 197) no Hoare annotation was computed. [2019-11-26 02:12:46,724 INFO L444 ceAbstractionStarter]: For program point L297(lines 297 301) no Hoare annotation was computed. [2019-11-26 02:12:46,724 INFO L444 ceAbstractionStarter]: For program point L264(lines 264 268) no Hoare annotation was computed. [2019-11-26 02:12:46,724 INFO L440 ceAbstractionStarter]: At program point L198(lines 1173 1190) the Hoare annotation is: (= ULTIMATE.start___utac_acc__DecryptForward_spec__1_~tmp~6 1) [2019-11-26 02:12:46,724 INFO L447 ceAbstractionStarter]: At program point L198-1(lines 1173 1190) the Hoare annotation is: true [2019-11-26 02:12:46,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:12:46 BoogieIcfgContainer [2019-11-26 02:12:46,736 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:12:46,736 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:12:46,736 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:12:46,737 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:12:46,737 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:12:45" (3/4) ... [2019-11-26 02:12:46,740 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:12:46,760 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 141 nodes and edges [2019-11-26 02:12:46,762 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2019-11-26 02:12:46,764 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-26 02:12:46,766 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:12:46,768 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:12:46,770 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:12:46,948 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e6072117-dbf6-42c7-a976-42e055a4a68a/bin/utaipan/witness.graphml [2019-11-26 02:12:46,949 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:12:46,951 INFO L168 Benchmark]: Toolchain (without parser) took 4259.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 939.3 MB in the beginning and 987.5 MB in the end (delta: -48.1 MB). Peak memory consumption was 100.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:12:46,951 INFO L168 Benchmark]: CDTParser took 0.18 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 02:12:46,952 INFO L168 Benchmark]: CACSL2BoogieTranslator took 817.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -169.5 MB). Peak memory consumption was 29.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:12:46,952 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.22 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 02:12:46,952 INFO L168 Benchmark]: Boogie Preprocessor took 51.01 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:12:46,953 INFO L168 Benchmark]: RCFGBuilder took 2249.51 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: 32.1 MB). Peak memory consumption was 231.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:12:46,953 INFO L168 Benchmark]: TraceAbstraction took 825.73 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: 61.7 MB). Peak memory consumption was 61.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:12:46,954 INFO L168 Benchmark]: Witness Printer took 212.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 987.5 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:12:46,956 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 817.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -169.5 MB). Peak memory consumption was 29.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 99.22 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 51.01 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 2249.51 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: 32.1 MB). Peak memory consumption was 231.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 825.73 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: 61.7 MB). Peak memory consumption was 61.7 MB. Max. memory is 11.5 GB. * Witness Printer took 212.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 987.5 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 197]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 197]: 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: 293]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1173]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1173]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2335]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 351]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 340]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 329]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 318]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2335]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 41 locations, 2 error locations. Result: SAFE, OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 186 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=41occurred 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, 22 LocationsWithAnnotation, 22 PreInvPairs, 34 NumberOfFragments, 24 HoareAnnotationTreeSize, 22 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 22 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s 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...