./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/email_spec11_product40.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_7e0ef1a2-3653-452a-877a-7a161c904d0d/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7e0ef1a2-3653-452a-877a-7a161c904d0d/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7e0ef1a2-3653-452a-877a-7a161c904d0d/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7e0ef1a2-3653-452a-877a-7a161c904d0d/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/email_spec11_product40.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7e0ef1a2-3653-452a-877a-7a161c904d0d/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7e0ef1a2-3653-452a-877a-7a161c904d0d/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 a9facdf003074719ed631a2e16cbbbb9c2d1e599 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:23:30,860 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:23:30,862 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:23:30,876 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:23:30,876 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:23:30,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:23:30,880 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:23:30,888 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:23:30,893 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:23:30,897 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:23:30,898 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:23:30,899 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:23:30,899 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:23:30,901 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:23:30,903 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:23:30,904 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:23:30,905 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:23:30,905 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:23:30,908 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:23:30,911 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:23:30,915 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:23:30,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:23:30,920 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:23:30,921 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:23:30,924 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:23:30,924 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:23:30,925 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:23:30,926 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:23:30,926 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:23:30,927 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:23:30,927 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:23:30,928 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:23:30,929 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:23:30,929 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:23:30,930 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:23:30,931 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:23:30,931 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:23:30,931 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:23:30,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:23:30,932 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:23:30,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:23:30,934 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7e0ef1a2-3653-452a-877a-7a161c904d0d/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:23:30,959 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:23:30,970 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:23:30,971 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:23:30,972 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:23:30,972 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:23:30,972 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:23:30,972 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:23:30,973 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:23:30,973 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:23:30,973 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:23:30,973 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:23:30,973 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:23:30,974 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:23:30,974 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:23:30,974 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:23:30,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:23:30,975 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:23:30,975 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:23:30,975 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:23:30,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:23:30,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:23:30,977 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:23:30,977 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:23:30,977 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:23:30,978 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:23:30,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:23:30,978 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:23:30,978 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:23:30,979 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:23:30,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:23:30,979 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:23:30,979 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:23:30,980 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:23:30,980 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:23:30,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:23:30,980 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:23:30,980 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:23:30,981 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_7e0ef1a2-3653-452a-877a-7a161c904d0d/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 -> a9facdf003074719ed631a2e16cbbbb9c2d1e599 [2019-11-26 02:23:31,123 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:23:31,134 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:23:31,137 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:23:31,138 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:23:31,138 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:23:31,139 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7e0ef1a2-3653-452a-877a-7a161c904d0d/bin/utaipan/../../sv-benchmarks/c/product-lines/email_spec11_product40.cil.c [2019-11-26 02:23:31,199 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7e0ef1a2-3653-452a-877a-7a161c904d0d/bin/utaipan/data/96853362a/18472ea52325489bbeade153166a6d17/FLAG733809411 [2019-11-26 02:23:31,743 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:23:31,748 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7e0ef1a2-3653-452a-877a-7a161c904d0d/sv-benchmarks/c/product-lines/email_spec11_product40.cil.c [2019-11-26 02:23:31,776 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7e0ef1a2-3653-452a-877a-7a161c904d0d/bin/utaipan/data/96853362a/18472ea52325489bbeade153166a6d17/FLAG733809411 [2019-11-26 02:23:32,158 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7e0ef1a2-3653-452a-877a-7a161c904d0d/bin/utaipan/data/96853362a/18472ea52325489bbeade153166a6d17 [2019-11-26 02:23:32,160 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:23:32,161 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:23:32,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:23:32,162 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:23:32,166 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:23:32,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:23:32" (1/1) ... [2019-11-26 02:23:32,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d4b141d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:23:32, skipping insertion in model container [2019-11-26 02:23:32,170 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:23:32" (1/1) ... [2019-11-26 02:23:32,177 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:23:32,257 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:23:32,974 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:23:32,994 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:23:33,127 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:23:33,220 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:23:33,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:23:33 WrapperNode [2019-11-26 02:23:33,221 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:23:33,222 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:23:33,223 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:23:33,223 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:23:33,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:23:33" (1/1) ... [2019-11-26 02:23:33,276 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:23:33" (1/1) ... [2019-11-26 02:23:33,382 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:23:33,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:23:33,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:23:33,383 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:23:33,391 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:23:33" (1/1) ... [2019-11-26 02:23:33,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:23:33" (1/1) ... [2019-11-26 02:23:33,406 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:23:33" (1/1) ... [2019-11-26 02:23:33,407 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:23:33" (1/1) ... [2019-11-26 02:23:33,464 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:23:33" (1/1) ... [2019-11-26 02:23:33,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:23:33" (1/1) ... [2019-11-26 02:23:33,496 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:23:33" (1/1) ... [2019-11-26 02:23:33,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:23:33,516 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:23:33,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:23:33,517 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:23:33,518 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:23:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e0ef1a2-3653-452a-877a-7a161c904d0d/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 02:23:33,581 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-26 02:23:33,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:23:33,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-26 02:23:33,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:23:33,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:23:42,765 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:23:42,766 INFO L284 CfgBuilder]: Removed 497 assume(true) statements. [2019-11-26 02:23:42,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:23:42 BoogieIcfgContainer [2019-11-26 02:23:42,767 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:23:42,767 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:23:42,768 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:23:42,769 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:23:42,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:23:32" (1/3) ... [2019-11-26 02:23:42,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50997b52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:23:42, skipping insertion in model container [2019-11-26 02:23:42,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:23:33" (2/3) ... [2019-11-26 02:23:42,770 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50997b52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:23:42, skipping insertion in model container [2019-11-26 02:23:42,770 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:23:42" (3/3) ... [2019-11-26 02:23:42,772 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product40.cil.c [2019-11-26 02:23:42,779 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:23:42,785 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2019-11-26 02:23:42,795 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-11-26 02:23:42,817 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:23:42,818 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:23:42,818 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:23:42,818 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:23:42,818 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:23:42,818 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:23:42,818 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:23:42,819 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:23:42,836 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states. [2019-11-26 02:23:42,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:23:42,840 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:23:42,841 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:23:42,841 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:23:42,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:23:42,845 INFO L82 PathProgramCache]: Analyzing trace with hash 1649095231, now seen corresponding path program 1 times [2019-11-26 02:23:42,852 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:23:42,853 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915385684] [2019-11-26 02:23:42,853 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:23:43,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:23:43,175 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 02:23:43,176 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915385684] [2019-11-26 02:23:43,176 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:23:43,177 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:23:43,177 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637568342] [2019-11-26 02:23:43,181 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-26 02:23:43,182 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:23:43,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-26 02:23:43,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:23:43,195 INFO L87 Difference]: Start difference. First operand 69 states. Second operand 2 states. [2019-11-26 02:23:43,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:23:43,217 INFO L93 Difference]: Finished difference Result 112 states and 165 transitions. [2019-11-26 02:23:43,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-26 02:23:43,218 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-11-26 02:23:43,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:23:43,229 INFO L225 Difference]: With dead ends: 112 [2019-11-26 02:23:43,229 INFO L226 Difference]: Without dead ends: 63 [2019-11-26 02:23:43,232 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 02:23:43,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2019-11-26 02:23:43,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2019-11-26 02:23:43,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-11-26 02:23:43,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 90 transitions. [2019-11-26 02:23:43,265 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 90 transitions. Word has length 8 [2019-11-26 02:23:43,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:23:43,265 INFO L462 AbstractCegarLoop]: Abstraction has 63 states and 90 transitions. [2019-11-26 02:23:43,266 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-26 02:23:43,266 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 90 transitions. [2019-11-26 02:23:43,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-26 02:23:43,266 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:23:43,266 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:23:43,267 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:23:43,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:23:43,267 INFO L82 PathProgramCache]: Analyzing trace with hash -1937178218, now seen corresponding path program 1 times [2019-11-26 02:23:43,267 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:23:43,268 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384410054] [2019-11-26 02:23:43,268 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:23:43,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:23:43,416 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 02:23:43,416 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384410054] [2019-11-26 02:23:43,416 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:23:43,416 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:23:43,417 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762247351] [2019-11-26 02:23:43,417 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:23:43,418 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:23:43,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:23:43,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:23:43,418 INFO L87 Difference]: Start difference. First operand 63 states and 90 transitions. Second operand 3 states. [2019-11-26 02:23:43,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:23:43,445 INFO L93 Difference]: Finished difference Result 102 states and 134 transitions. [2019-11-26 02:23:43,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:23:43,446 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-11-26 02:23:43,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:23:43,448 INFO L225 Difference]: With dead ends: 102 [2019-11-26 02:23:43,448 INFO L226 Difference]: Without dead ends: 65 [2019-11-26 02:23:43,450 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 02:23:43,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-11-26 02:23:43,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-11-26 02:23:43,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-11-26 02:23:43,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 92 transitions. [2019-11-26 02:23:43,474 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 92 transitions. Word has length 9 [2019-11-26 02:23:43,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:23:43,475 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 92 transitions. [2019-11-26 02:23:43,475 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:23:43,475 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 92 transitions. [2019-11-26 02:23:43,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-26 02:23:43,477 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:23:43,477 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:23:43,478 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:23:43,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:23:43,479 INFO L82 PathProgramCache]: Analyzing trace with hash -1218333102, now seen corresponding path program 1 times [2019-11-26 02:23:43,479 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:23:43,479 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155612503] [2019-11-26 02:23:43,480 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:23:43,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:23:43,650 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 02:23:43,651 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155612503] [2019-11-26 02:23:43,651 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:23:43,651 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-26 02:23:43,651 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201968270] [2019-11-26 02:23:43,652 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:23:43,652 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:23:43,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:23:43,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:23:43,652 INFO L87 Difference]: Start difference. First operand 65 states and 92 transitions. Second operand 3 states. [2019-11-26 02:23:43,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:23:43,694 INFO L93 Difference]: Finished difference Result 76 states and 106 transitions. [2019-11-26 02:23:43,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:23:43,694 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-11-26 02:23:43,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:23:43,695 INFO L225 Difference]: With dead ends: 76 [2019-11-26 02:23:43,695 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:23:43,696 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 02:23:43,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:23:43,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:23:43,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:23:43,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:23:43,697 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2019-11-26 02:23:43,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:23:43,697 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:23:43,697 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:23:43,697 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:23:43,697 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:23:43,701 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:23:43,778 INFO L447 ceAbstractionStarter]: At program point L1027(lines 1014 1073) the Hoare annotation is: true [2019-11-26 02:23:43,778 INFO L447 ceAbstractionStarter]: At program point L1032(lines 1032 1039) the Hoare annotation is: true [2019-11-26 02:23:43,778 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 423) no Hoare annotation was computed. [2019-11-26 02:23:43,778 INFO L447 ceAbstractionStarter]: At program point L1041(lines 1028 1072) the Hoare annotation is: true [2019-11-26 02:23:43,778 INFO L444 ceAbstractionStarter]: For program point L909(lines 908 1081) no Hoare annotation was computed. [2019-11-26 02:23:43,779 INFO L447 ceAbstractionStarter]: At program point L251-5(lines 277 289) the Hoare annotation is: true [2019-11-26 02:23:43,779 INFO L447 ceAbstractionStarter]: At program point L1046(lines 1046 1053) the Hoare annotation is: true [2019-11-26 02:23:43,779 INFO L444 ceAbstractionStarter]: For program point L916(lines 916 1080) no Hoare annotation was computed. [2019-11-26 02:23:43,779 INFO L447 ceAbstractionStarter]: At program point L920(lines 920 927) the Hoare annotation is: true [2019-11-26 02:23:43,779 INFO L447 ceAbstractionStarter]: At program point L1055(lines 1042 1071) the Hoare annotation is: true [2019-11-26 02:23:43,779 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 423) no Hoare annotation was computed. [2019-11-26 02:23:43,779 INFO L447 ceAbstractionStarter]: At program point L1060(lines 1060 1067) the Hoare annotation is: true [2019-11-26 02:23:43,779 INFO L447 ceAbstractionStarter]: At program point L1060-1(lines 908 1081) the Hoare annotation is: true [2019-11-26 02:23:43,779 INFO L447 ceAbstractionStarter]: At program point L929(lines 916 1080) the Hoare annotation is: true [2019-11-26 02:23:43,780 INFO L447 ceAbstractionStarter]: At program point L934(lines 934 941) the Hoare annotation is: true [2019-11-26 02:23:43,780 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 423) no Hoare annotation was computed. [2019-11-26 02:23:43,780 INFO L447 ceAbstractionStarter]: At program point L2656(lines 2656 2664) the Hoare annotation is: true [2019-11-26 02:23:43,780 INFO L447 ceAbstractionStarter]: At program point L943(lines 930 1079) the Hoare annotation is: true [2019-11-26 02:23:43,780 INFO L447 ceAbstractionStarter]: At program point L948(lines 948 955) the Hoare annotation is: true [2019-11-26 02:23:43,780 INFO L447 ceAbstractionStarter]: At program point L1082(lines 907 1083) the Hoare annotation is: true [2019-11-26 02:23:43,780 INFO L444 ceAbstractionStarter]: For program point L423(line 423) no Hoare annotation was computed. [2019-11-26 02:23:43,780 INFO L444 ceAbstractionStarter]: For program point L423-1(line 423) no Hoare annotation was computed. [2019-11-26 02:23:43,780 INFO L444 ceAbstractionStarter]: For program point L423-2(line 423) no Hoare annotation was computed. [2019-11-26 02:23:43,781 INFO L444 ceAbstractionStarter]: For program point L423-3(line 423) no Hoare annotation was computed. [2019-11-26 02:23:43,781 INFO L444 ceAbstractionStarter]: For program point L423-4(line 423) no Hoare annotation was computed. [2019-11-26 02:23:43,781 INFO L444 ceAbstractionStarter]: For program point L423-5(line 423) no Hoare annotation was computed. [2019-11-26 02:23:43,781 INFO L440 ceAbstractionStarter]: At program point L424(lines 53 70) the Hoare annotation is: (= ULTIMATE.start___utac_acc__DecryptAutoResponder_spec__1_~tmp~0 1) [2019-11-26 02:23:43,781 INFO L440 ceAbstractionStarter]: At program point L424-1(lines 53 70) the Hoare annotation is: (= ULTIMATE.start___utac_acc__DecryptAutoResponder_spec__1_~tmp~0 1) [2019-11-26 02:23:43,781 INFO L440 ceAbstractionStarter]: At program point L424-2(lines 53 70) the Hoare annotation is: (= ULTIMATE.start___utac_acc__DecryptAutoResponder_spec__1_~tmp~0 1) [2019-11-26 02:23:43,781 INFO L440 ceAbstractionStarter]: At program point L424-3(lines 53 70) the Hoare annotation is: (= ULTIMATE.start___utac_acc__DecryptAutoResponder_spec__1_~tmp~0 1) [2019-11-26 02:23:43,781 INFO L447 ceAbstractionStarter]: At program point L424-4(lines 53 70) the Hoare annotation is: true [2019-11-26 02:23:43,782 INFO L447 ceAbstractionStarter]: At program point L424-5(lines 53 70) the Hoare annotation is: true [2019-11-26 02:23:43,782 INFO L447 ceAbstractionStarter]: At program point L957(lines 944 1078) the Hoare annotation is: true [2019-11-26 02:23:43,782 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 423) no Hoare annotation was computed. [2019-11-26 02:23:43,782 INFO L447 ceAbstractionStarter]: At program point L962(lines 962 969) the Hoare annotation is: true [2019-11-26 02:23:43,782 INFO L447 ceAbstractionStarter]: At program point L971(lines 958 1077) the Hoare annotation is: true [2019-11-26 02:23:43,784 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 423) no Hoare annotation was computed. [2019-11-26 02:23:43,784 INFO L447 ceAbstractionStarter]: At program point L180(lines 180 199) the Hoare annotation is: true [2019-11-26 02:23:43,784 INFO L447 ceAbstractionStarter]: At program point L180-1(lines 180 199) the Hoare annotation is: true [2019-11-26 02:23:43,784 INFO L447 ceAbstractionStarter]: At program point L976(lines 976 983) the Hoare annotation is: true [2019-11-26 02:23:43,784 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:23:43,785 INFO L447 ceAbstractionStarter]: At program point L985(lines 972 1076) the Hoare annotation is: true [2019-11-26 02:23:43,785 INFO L444 ceAbstractionStarter]: For program point L61(lines 61 67) no Hoare annotation was computed. [2019-11-26 02:23:43,785 INFO L444 ceAbstractionStarter]: For program point L61-2(lines 61 67) no Hoare annotation was computed. [2019-11-26 02:23:43,785 INFO L444 ceAbstractionStarter]: For program point L61-4(lines 61 67) no Hoare annotation was computed. [2019-11-26 02:23:43,785 INFO L444 ceAbstractionStarter]: For program point L61-6(lines 61 67) no Hoare annotation was computed. [2019-11-26 02:23:43,785 INFO L444 ceAbstractionStarter]: For program point L61-8(lines 61 67) no Hoare annotation was computed. [2019-11-26 02:23:43,786 INFO L444 ceAbstractionStarter]: For program point L61-10(lines 61 67) no Hoare annotation was computed. [2019-11-26 02:23:43,786 INFO L447 ceAbstractionStarter]: At program point L990(lines 990 997) the Hoare annotation is: true [2019-11-26 02:23:43,786 INFO L447 ceAbstractionStarter]: At program point L2712(lines 2712 2719) the Hoare annotation is: true [2019-11-26 02:23:43,786 INFO L447 ceAbstractionStarter]: At program point L2712-1(lines 2712 2719) the Hoare annotation is: true [2019-11-26 02:23:43,786 INFO L447 ceAbstractionStarter]: At program point L999(lines 986 1075) the Hoare annotation is: true [2019-11-26 02:23:43,786 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 423) no Hoare annotation was computed. [2019-11-26 02:23:43,787 INFO L447 ceAbstractionStarter]: At program point L1004(lines 1004 1011) the Hoare annotation is: true [2019-11-26 02:23:43,787 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-26 02:23:43,787 INFO L447 ceAbstractionStarter]: At program point L1013(lines 1000 1074) the Hoare annotation is: true [2019-11-26 02:23:43,787 INFO L447 ceAbstractionStarter]: At program point L1018(lines 1018 1025) the Hoare annotation is: true [2019-11-26 02:23:43,787 INFO L447 ceAbstractionStarter]: At program point L231(lines 231 237) the Hoare annotation is: true [2019-11-26 02:23:43,787 INFO L447 ceAbstractionStarter]: At program point L231-1(lines 223 240) the Hoare annotation is: true [2019-11-26 02:23:43,788 INFO L447 ceAbstractionStarter]: At program point L231-2(lines 231 237) the Hoare annotation is: true [2019-11-26 02:23:43,788 INFO L447 ceAbstractionStarter]: At program point L231-3(lines 223 240) the Hoare annotation is: true [2019-11-26 02:23:43,788 INFO L447 ceAbstractionStarter]: At program point L231-4(lines 231 237) the Hoare annotation is: true [2019-11-26 02:23:43,788 INFO L447 ceAbstractionStarter]: At program point L231-5(lines 223 240) the Hoare annotation is: true [2019-11-26 02:23:43,788 INFO L447 ceAbstractionStarter]: At program point L231-6(lines 231 237) the Hoare annotation is: true [2019-11-26 02:23:43,789 INFO L447 ceAbstractionStarter]: At program point L231-7(lines 223 240) the Hoare annotation is: true [2019-11-26 02:23:43,789 INFO L447 ceAbstractionStarter]: At program point L231-8(lines 231 237) the Hoare annotation is: true [2019-11-26 02:23:43,789 INFO L447 ceAbstractionStarter]: At program point L231-9(lines 223 240) the Hoare annotation is: true [2019-11-26 02:23:43,789 INFO L447 ceAbstractionStarter]: At program point L231-10(lines 231 237) the Hoare annotation is: true [2019-11-26 02:23:43,790 INFO L447 ceAbstractionStarter]: At program point L231-11(lines 223 240) the Hoare annotation is: true [2019-11-26 02:23:43,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:23:43 BoogieIcfgContainer [2019-11-26 02:23:43,806 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:23:43,806 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:23:43,806 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:23:43,807 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:23:43,807 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:23:42" (3/4) ... [2019-11-26 02:23:43,810 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:23:43,865 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 769 nodes and edges [2019-11-26 02:23:43,873 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 195 nodes and edges [2019-11-26 02:23:43,881 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2019-11-26 02:23:43,889 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-26 02:23:43,899 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:23:43,907 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:23:44,203 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7e0ef1a2-3653-452a-877a-7a161c904d0d/bin/utaipan/witness.graphml [2019-11-26 02:23:44,203 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:23:44,205 INFO L168 Benchmark]: Toolchain (without parser) took 12043.34 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 277.3 MB). Free memory was 944.8 MB in the beginning and 841.5 MB in the end (delta: 103.3 MB). Peak memory consumption was 380.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:23:44,205 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:23:44,206 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1059.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -105.8 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:23:44,206 INFO L168 Benchmark]: Boogie Procedure Inliner took 160.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:23:44,206 INFO L168 Benchmark]: Boogie Preprocessor took 133.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:23:44,207 INFO L168 Benchmark]: RCFGBuilder took 9250.76 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 164.1 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 19.8 MB). Peak memory consumption was 444.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:23:44,207 INFO L168 Benchmark]: TraceAbstraction took 1038.36 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 921.3 MB in the end (delta: 87.9 MB). Peak memory consumption was 87.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:23:44,208 INFO L168 Benchmark]: Witness Printer took 397.06 ms. Allocated memory is still 1.3 GB. Free memory was 921.3 MB in the beginning and 841.5 MB in the end (delta: 79.8 MB). Peak memory consumption was 79.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:23:44,209 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1059.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -105.8 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 160.13 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 133.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 9250.76 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 164.1 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 19.8 MB). Peak memory consumption was 444.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1038.36 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 921.3 MB in the end (delta: 87.9 MB). Peak memory consumption was 87.9 MB. Max. memory is 11.5 GB. * Witness Printer took 397.06 ms. Allocated memory is still 1.3 GB. Free memory was 921.3 MB in the beginning and 841.5 MB in the end (delta: 79.8 MB). Peak memory consumption was 79.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 423]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 423]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 423]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 423]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 423]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 423]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 972]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1060]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1014]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2656]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 934]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: tmp == 1 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1018]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2712]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2712]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1004]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1046]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1000]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1042]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 948]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 990]: 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: 944]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1032]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 986]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1028]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 69 locations, 6 error locations. Result: SAFE, OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 278 SDtfs, 18 SDslu, 151 SDs, 0 SdLazy, 7 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred 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, 48 LocationsWithAnnotation, 48 PreInvPairs, 84 NumberOfFragments, 56 HoareAnnotationTreeSize, 48 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 48 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 313 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...