./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-1a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a4ecbe01-6db8-4b60-b305-03a507eb229f/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a4ecbe01-6db8-4b60-b305-03a507eb229f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a4ecbe01-6db8-4b60-b305-03a507eb229f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a4ecbe01-6db8-4b60-b305-03a507eb229f/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-1a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a4ecbe01-6db8-4b60-b305-03a507eb229f/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a4ecbe01-6db8-4b60-b305-03a507eb229f/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1e9943d2199c95030d170f0541cc4df722deb62f .................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 19:31:33,816 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 19:31:33,818 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 19:31:33,825 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 19:31:33,825 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 19:31:33,826 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 19:31:33,827 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 19:31:33,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 19:31:33,829 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 19:31:33,830 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 19:31:33,830 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 19:31:33,831 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 19:31:33,831 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 19:31:33,832 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 19:31:33,833 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 19:31:33,833 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 19:31:33,834 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 19:31:33,835 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 19:31:33,836 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 19:31:33,837 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 19:31:33,838 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 19:31:33,839 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 19:31:33,840 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 19:31:33,840 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 19:31:33,842 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 19:31:33,842 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 19:31:33,842 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 19:31:33,842 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 19:31:33,843 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 19:31:33,843 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 19:31:33,843 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 19:31:33,844 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 19:31:33,844 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 19:31:33,845 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 19:31:33,845 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 19:31:33,845 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 19:31:33,846 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 19:31:33,846 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 19:31:33,846 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 19:31:33,846 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 19:31:33,847 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 19:31:33,847 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a4ecbe01-6db8-4b60-b305-03a507eb229f/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf [2019-12-07 19:31:33,857 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 19:31:33,857 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 19:31:33,858 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 19:31:33,858 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 19:31:33,858 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 19:31:33,858 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 19:31:33,859 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 19:31:33,859 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 19:31:33,859 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 19:31:33,859 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 19:31:33,859 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 19:31:33,859 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 19:31:33,859 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 19:31:33,859 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 19:31:33,860 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 19:31:33,860 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 19:31:33,860 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 19:31:33,860 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 19:31:33,860 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 19:31:33,861 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 19:31:33,861 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 19:31:33,861 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 19:31:33,861 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 19:31:33,861 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 19:31:33,861 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-12-07 19:31:33,861 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 19:31:33,861 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 19:31:33,861 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 19:31:33,861 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 19:31:33,862 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 19:31:33,862 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 19:31:33,862 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 19:31:33,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 19:31:33,862 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 19:31:33,862 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 19:31:33,862 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 19:31:33,862 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 19:31:33,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 19:31:33,863 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 19:31:33,863 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 19:31:33,863 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 19:31:33,863 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_a4ecbe01-6db8-4b60-b305-03a507eb229f/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 ! overflow) ) 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 -> 1e9943d2199c95030d170f0541cc4df722deb62f [2019-12-07 19:31:33,961 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 19:31:33,969 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 19:31:33,972 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 19:31:33,973 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 19:31:33,974 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 19:31:33,974 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a4ecbe01-6db8-4b60-b305-03a507eb229f/bin/utaipan/../../sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-1a.c [2019-12-07 19:31:34,011 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a4ecbe01-6db8-4b60-b305-03a507eb229f/bin/utaipan/data/6cdb3d3ce/50c68f6e1da540498b58c18d4df22748/FLAG6bec1bcff [2019-12-07 19:31:34,325 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 19:31:34,326 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a4ecbe01-6db8-4b60-b305-03a507eb229f/sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-1a.c [2019-12-07 19:31:34,333 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a4ecbe01-6db8-4b60-b305-03a507eb229f/bin/utaipan/data/6cdb3d3ce/50c68f6e1da540498b58c18d4df22748/FLAG6bec1bcff [2019-12-07 19:31:34,342 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a4ecbe01-6db8-4b60-b305-03a507eb229f/bin/utaipan/data/6cdb3d3ce/50c68f6e1da540498b58c18d4df22748 [2019-12-07 19:31:34,344 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 19:31:34,345 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 19:31:34,346 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 19:31:34,346 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 19:31:34,348 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 19:31:34,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:31:34" (1/1) ... [2019-12-07 19:31:34,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2793e68e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:31:34, skipping insertion in model container [2019-12-07 19:31:34,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:31:34" (1/1) ... [2019-12-07 19:31:34,356 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 19:31:34,380 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 19:31:34,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:31:34,556 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 19:31:34,591 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:31:34,600 INFO L208 MainTranslator]: Completed translation [2019-12-07 19:31:34,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:31:34 WrapperNode [2019-12-07 19:31:34,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 19:31:34,601 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 19:31:34,601 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 19:31:34,601 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 19:31:34,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:31:34" (1/1) ... [2019-12-07 19:31:34,613 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:31:34" (1/1) ... [2019-12-07 19:31:34,636 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 19:31:34,636 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 19:31:34,636 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 19:31:34,636 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 19:31:34,643 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:31:34" (1/1) ... [2019-12-07 19:31:34,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:31:34" (1/1) ... [2019-12-07 19:31:34,645 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:31:34" (1/1) ... [2019-12-07 19:31:34,645 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:31:34" (1/1) ... [2019-12-07 19:31:34,651 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:31:34" (1/1) ... [2019-12-07 19:31:34,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:31:34" (1/1) ... [2019-12-07 19:31:34,658 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:31:34" (1/1) ... [2019-12-07 19:31:34,661 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 19:31:34,661 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 19:31:34,661 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 19:31:34,661 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 19:31:34,662 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:31:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a4ecbe01-6db8-4b60-b305-03a507eb229f/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 [2019-12-07 19:31:34,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 19:31:34,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 19:31:34,788 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 19:31:35,051 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2019-12-07 19:31:35,051 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2019-12-07 19:31:35,254 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 19:31:35,254 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 19:31:35,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:31:35 BoogieIcfgContainer [2019-12-07 19:31:35,255 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 19:31:35,255 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 19:31:35,256 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 19:31:35,258 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 19:31:35,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 07:31:34" (1/3) ... [2019-12-07 19:31:35,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37b02568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:31:35, skipping insertion in model container [2019-12-07 19:31:35,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:31:34" (2/3) ... [2019-12-07 19:31:35,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37b02568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:31:35, skipping insertion in model container [2019-12-07 19:31:35,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:31:35" (3/3) ... [2019-12-07 19:31:35,260 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_clnt_2.BV.c.cil-1a.c [2019-12-07 19:31:35,266 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 19:31:35,271 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-12-07 19:31:35,279 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-12-07 19:31:35,295 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 19:31:35,295 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 19:31:35,295 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 19:31:35,295 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 19:31:35,295 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 19:31:35,295 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 19:31:35,296 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 19:31:35,296 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 19:31:35,306 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2019-12-07 19:31:35,310 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 19:31:35,314 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 82 states. [2019-12-07 19:31:35,365 INFO L249 CegarLoopResult]: At program point L597(lines 92 598) the Hoare annotation is: true [2019-12-07 19:31:35,365 INFO L246 CegarLoopResult]: For program point L168(lines 168 541) no Hoare annotation was computed. [2019-12-07 19:31:35,365 INFO L246 CegarLoopResult]: For program point L135(lines 135 552) no Hoare annotation was computed. [2019-12-07 19:31:35,365 INFO L246 CegarLoopResult]: For program point L102(lines 102 563) no Hoare annotation was computed. [2019-12-07 19:31:35,365 INFO L246 CegarLoopResult]: For program point L301-1(lines 301 315) no Hoare annotation was computed. [2019-12-07 19:31:35,365 INFO L249 CegarLoopResult]: At program point L202(lines 99 564) the Hoare annotation is: true [2019-12-07 19:31:35,366 INFO L249 CegarLoopResult]: At program point L169(lines 165 542) the Hoare annotation is: true [2019-12-07 19:31:35,366 INFO L246 CegarLoopResult]: For program point L566(lines 566 594) no Hoare annotation was computed. [2019-12-07 19:31:35,366 INFO L246 CegarLoopResult]: For program point L567(lines 567 591) no Hoare annotation was computed. [2019-12-07 19:31:35,366 INFO L246 CegarLoopResult]: For program point L336(lines 336 341) no Hoare annotation was computed. [2019-12-07 19:31:35,366 INFO L246 CegarLoopResult]: For program point L171(lines 171 540) no Hoare annotation was computed. [2019-12-07 19:31:35,366 INFO L246 CegarLoopResult]: For program point L138(lines 138 551) no Hoare annotation was computed. [2019-12-07 19:31:35,366 INFO L246 CegarLoopResult]: For program point L105(lines 105 562) no Hoare annotation was computed. [2019-12-07 19:31:35,366 INFO L246 CegarLoopResult]: For program point L568(lines 568 577) no Hoare annotation was computed. [2019-12-07 19:31:35,366 INFO L246 CegarLoopResult]: For program point L568-2(lines 567 589) no Hoare annotation was computed. [2019-12-07 19:31:35,367 INFO L249 CegarLoopResult]: At program point L139(lines 135 552) the Hoare annotation is: true [2019-12-07 19:31:35,367 INFO L246 CegarLoopResult]: For program point L305-2(lines 303 315) no Hoare annotation was computed. [2019-12-07 19:31:35,367 INFO L246 CegarLoopResult]: For program point L570(lines 570 574) no Hoare annotation was computed. [2019-12-07 19:31:35,367 INFO L246 CegarLoopResult]: For program point L438(lines 438 443) no Hoare annotation was computed. [2019-12-07 19:31:35,367 INFO L246 CegarLoopResult]: For program point L174(lines 174 539) no Hoare annotation was computed. [2019-12-07 19:31:35,367 INFO L246 CegarLoopResult]: For program point L141(lines 141 550) no Hoare annotation was computed. [2019-12-07 19:31:35,367 INFO L246 CegarLoopResult]: For program point L207-2(lines 197 529) no Hoare annotation was computed. [2019-12-07 19:31:35,367 INFO L246 CegarLoopResult]: For program point L108(lines 108 561) no Hoare annotation was computed. [2019-12-07 19:31:35,368 INFO L246 CegarLoopResult]: For program point L472(lines 472 476) no Hoare annotation was computed. [2019-12-07 19:31:35,368 INFO L249 CegarLoopResult]: At program point L175(lines 171 540) the Hoare annotation is: true [2019-12-07 19:31:35,368 INFO L246 CegarLoopResult]: For program point L407(lines 407 411) no Hoare annotation was computed. [2019-12-07 19:31:35,368 INFO L246 CegarLoopResult]: For program point L243(lines 243 248) no Hoare annotation was computed. [2019-12-07 19:31:35,368 INFO L246 CegarLoopResult]: For program point L177(lines 177 538) no Hoare annotation was computed. [2019-12-07 19:31:35,368 INFO L246 CegarLoopResult]: For program point L144(lines 144 549) no Hoare annotation was computed. [2019-12-07 19:31:35,368 INFO L246 CegarLoopResult]: For program point L111(lines 111 560) no Hoare annotation was computed. [2019-12-07 19:31:35,368 INFO L249 CegarLoopResult]: At program point L145(lines 141 550) the Hoare annotation is: true [2019-12-07 19:31:35,369 INFO L246 CegarLoopResult]: For program point L180(lines 180 537) no Hoare annotation was computed. [2019-12-07 19:31:35,369 INFO L246 CegarLoopResult]: For program point L147(lines 147 548) no Hoare annotation was computed. [2019-12-07 19:31:35,369 INFO L246 CegarLoopResult]: For program point L114(lines 114 559) no Hoare annotation was computed. [2019-12-07 19:31:35,369 INFO L246 CegarLoopResult]: For program point L379(lines 379 383) no Hoare annotation was computed. [2019-12-07 19:31:35,369 INFO L249 CegarLoopResult]: At program point L346(lines 346 350) the Hoare annotation is: true [2019-12-07 19:31:35,369 INFO L249 CegarLoopResult]: At program point L181(lines 177 538) the Hoare annotation is: true [2019-12-07 19:31:35,369 INFO L249 CegarLoopResult]: At program point L115(lines 111 560) the Hoare annotation is: true [2019-12-07 19:31:35,369 INFO L249 CegarLoopResult]: At program point L612(lines 65 614) the Hoare annotation is: true [2019-12-07 19:31:35,369 INFO L246 CegarLoopResult]: For program point L282-2(lines 197 529) no Hoare annotation was computed. [2019-12-07 19:31:35,370 INFO L246 CegarLoopResult]: For program point L183(lines 183 536) no Hoare annotation was computed. [2019-12-07 19:31:35,370 INFO L246 CegarLoopResult]: For program point L150(lines 150 547) no Hoare annotation was computed. [2019-12-07 19:31:35,370 INFO L246 CegarLoopResult]: For program point L117(lines 117 558) no Hoare annotation was computed. [2019-12-07 19:31:35,370 INFO L246 CegarLoopResult]: For program point L448(lines 448 452) no Hoare annotation was computed. [2019-12-07 19:31:35,370 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 19:31:35,370 INFO L246 CegarLoopResult]: For program point L351(lines 351 355) no Hoare annotation was computed. [2019-12-07 19:31:35,370 INFO L246 CegarLoopResult]: For program point L219(lines 219 236) no Hoare annotation was computed. [2019-12-07 19:31:35,370 INFO L246 CegarLoopResult]: For program point L186(lines 186 535) no Hoare annotation was computed. [2019-12-07 19:31:35,370 INFO L246 CegarLoopResult]: For program point L153(lines 153 546) no Hoare annotation was computed. [2019-12-07 19:31:35,371 INFO L246 CegarLoopResult]: For program point L219-2(lines 197 529) no Hoare annotation was computed. [2019-12-07 19:31:35,371 INFO L246 CegarLoopResult]: For program point L120(lines 120 557) no Hoare annotation was computed. [2019-12-07 19:31:35,371 INFO L249 CegarLoopResult]: At program point L187(lines 183 536) the Hoare annotation is: true [2019-12-07 19:31:35,371 INFO L249 CegarLoopResult]: At program point L121(lines 117 558) the Hoare annotation is: true [2019-12-07 19:31:35,371 INFO L246 CegarLoopResult]: For program point L485-1(lines 485 497) no Hoare annotation was computed. [2019-12-07 19:31:35,371 INFO L246 CegarLoopResult]: For program point L419(lines 419 423) no Hoare annotation was computed. [2019-12-07 19:31:35,371 INFO L246 CegarLoopResult]: For program point L221(lines 221 226) no Hoare annotation was computed. [2019-12-07 19:31:35,372 INFO L249 CegarLoopResult]: At program point L189(lines 189 534) the Hoare annotation is: true [2019-12-07 19:31:35,372 INFO L246 CegarLoopResult]: For program point L156(lines 156 545) no Hoare annotation was computed. [2019-12-07 19:31:35,372 INFO L246 CegarLoopResult]: For program point L123(lines 123 556) no Hoare annotation was computed. [2019-12-07 19:31:35,372 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 19:31:35,372 INFO L249 CegarLoopResult]: At program point L190(lines 189 534) the Hoare annotation is: true [2019-12-07 19:31:35,372 INFO L249 CegarLoopResult]: At program point L157(lines 147 548) the Hoare annotation is: true [2019-12-07 19:31:35,372 INFO L246 CegarLoopResult]: For program point L488(lines 488 493) no Hoare annotation was computed. [2019-12-07 19:31:35,372 INFO L246 CegarLoopResult]: For program point L323-2(lines 197 529) no Hoare annotation was computed. [2019-12-07 19:31:35,372 INFO L246 CegarLoopResult]: For program point L390(lines 390 394) no Hoare annotation was computed. [2019-12-07 19:31:35,373 INFO L246 CegarLoopResult]: For program point L159(lines 159 544) no Hoare annotation was computed. [2019-12-07 19:31:35,373 INFO L246 CegarLoopResult]: For program point L126(lines 126 555) no Hoare annotation was computed. [2019-12-07 19:31:35,373 INFO L246 CegarLoopResult]: For program point L93-1(lines 65 614) no Hoare annotation was computed. [2019-12-07 19:31:35,373 INFO L249 CegarLoopResult]: At program point L127(lines 123 556) the Hoare annotation is: true [2019-12-07 19:31:35,373 INFO L246 CegarLoopResult]: For program point L227(lines 227 232) no Hoare annotation was computed. [2019-12-07 19:31:35,373 INFO L246 CegarLoopResult]: For program point L260-2(lines 197 529) no Hoare annotation was computed. [2019-12-07 19:31:35,373 INFO L246 CegarLoopResult]: For program point L162(lines 162 543) no Hoare annotation was computed. [2019-12-07 19:31:35,373 INFO L246 CegarLoopResult]: For program point L129(lines 129 554) no Hoare annotation was computed. [2019-12-07 19:31:35,373 INFO L249 CegarLoopResult]: At program point L96(lines 96 565) the Hoare annotation is: true [2019-12-07 19:31:35,374 INFO L246 CegarLoopResult]: For program point L427-2(lines 197 529) no Hoare annotation was computed. [2019-12-07 19:31:35,374 INFO L249 CegarLoopResult]: At program point L163(lines 159 544) the Hoare annotation is: true [2019-12-07 19:31:35,374 INFO L246 CegarLoopResult]: For program point L362(lines 362 366) no Hoare annotation was computed. [2019-12-07 19:31:35,374 INFO L246 CegarLoopResult]: For program point L165(lines 165 542) no Hoare annotation was computed. [2019-12-07 19:31:35,374 INFO L246 CegarLoopResult]: For program point L132(lines 132 553) no Hoare annotation was computed. [2019-12-07 19:31:35,374 INFO L246 CegarLoopResult]: For program point L99(lines 99 564) no Hoare annotation was computed. [2019-12-07 19:31:35,374 INFO L249 CegarLoopResult]: At program point L133(lines 129 554) the Hoare annotation is: true [2019-12-07 19:31:35,374 INFO L249 CegarLoopResult]: At program point L530(lines 93 596) the Hoare annotation is: true [2019-12-07 19:31:35,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 07:31:35 BoogieIcfgContainer [2019-12-07 19:31:35,383 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 19:31:35,383 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 19:31:35,383 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 19:31:35,383 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 19:31:35,383 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:31:35" (3/4) ... [2019-12-07 19:31:35,386 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 19:31:35,398 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2019-12-07 19:31:35,399 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-07 19:31:35,399 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 19:31:35,463 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a4ecbe01-6db8-4b60-b305-03a507eb229f/bin/utaipan/witness.graphml [2019-12-07 19:31:35,464 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 19:31:35,465 INFO L168 Benchmark]: Toolchain (without parser) took 1119.94 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 939.4 MB in the beginning and 974.7 MB in the end (delta: -35.3 MB). Peak memory consumption was 72.2 MB. Max. memory is 11.5 GB. [2019-12-07 19:31:35,465 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:31:35,466 INFO L168 Benchmark]: CACSL2BoogieTranslator took 254.79 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -156.0 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-12-07 19:31:35,466 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.32 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:31:35,466 INFO L168 Benchmark]: Boogie Preprocessor took 24.84 ms. Allocated memory is still 1.1 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. [2019-12-07 19:31:35,466 INFO L168 Benchmark]: RCFGBuilder took 593.74 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: 87.8 MB). Peak memory consumption was 87.8 MB. Max. memory is 11.5 GB. [2019-12-07 19:31:35,467 INFO L168 Benchmark]: TraceAbstraction took 127.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 985.4 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. [2019-12-07 19:31:35,467 INFO L168 Benchmark]: Witness Printer took 80.82 ms. Allocated memory is still 1.1 GB. Free memory was 985.4 MB in the beginning and 974.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 19:31:35,469 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 254.79 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -156.0 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.32 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.84 ms. Allocated memory is still 1.1 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. * RCFGBuilder took 593.74 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: 87.8 MB). Peak memory consumption was 87.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 127.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 985.4 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. * Witness Printer took 80.82 ms. Allocated memory is still 1.1 GB. Free memory was 985.4 MB in the beginning and 974.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 183]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 141]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 82 locations, 0 error locations. Result: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=82occurred 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: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 20 PreInvPairs, 20 NumberOfFragments, 20 HoareAnnotationTreeSize, 20 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...