./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-2a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_fc53ca3f-faeb-4ba8-912a-fe5ffee6aae2/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_fc53ca3f-faeb-4ba8-912a-fe5ffee6aae2/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fc53ca3f-faeb-4ba8-912a-fe5ffee6aae2/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fc53ca3f-faeb-4ba8-912a-fe5ffee6aae2/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-2a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_fc53ca3f-faeb-4ba8-912a-fe5ffee6aae2/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fc53ca3f-faeb-4ba8-912a-fe5ffee6aae2/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 425afc8b22e60c0a2f2550983f32b043f3f437d4 ................................................................................................................................................................................................................................................................................................................................................ 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 02:59:52,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:59:52,394 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:59:52,410 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:59:52,410 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:59:52,411 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:59:52,413 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:59:52,424 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:59:52,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:59:52,427 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:59:52,427 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:59:52,430 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:59:52,430 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:59:52,434 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:59:52,435 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:59:52,437 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:59:52,437 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:59:52,439 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:59:52,442 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:59:52,444 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:59:52,445 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:59:52,446 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:59:52,446 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:59:52,447 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:59:52,449 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:59:52,449 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:59:52,450 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:59:52,450 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:59:52,451 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:59:52,451 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:59:52,452 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:59:52,452 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:59:52,453 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:59:52,453 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:59:52,454 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:59:52,454 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:59:52,455 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:59:52,455 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:59:52,455 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:59:52,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:59:52,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:59:52,457 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fc53ca3f-faeb-4ba8-912a-fe5ffee6aae2/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf [2019-11-26 02:59:52,471 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:59:52,471 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:59:52,472 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:59:52,472 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:59:52,472 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:59:52,472 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:59:52,473 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:59:52,473 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:59:52,473 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:59:52,473 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:59:52,473 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:59:52,473 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:59:52,474 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:59:52,474 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:59:52,474 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:59:52,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:59:52,475 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:59:52,475 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 02:59:52,475 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:59:52,475 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:59:52,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:59:52,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:59:52,476 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:59:52,476 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:59:52,476 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-26 02:59:52,477 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:59:52,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:59:52,477 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:59:52,477 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:59:52,478 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:59:52,478 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:59:52,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:59:52,478 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:59:52,478 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:59:52,479 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:59:52,479 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:59:52,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:59:52,479 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:59:52,479 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:59:52,480 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_fc53ca3f-faeb-4ba8-912a-fe5ffee6aae2/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 -> 425afc8b22e60c0a2f2550983f32b043f3f437d4 [2019-11-26 02:59:52,602 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:59:52,612 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:59:52,615 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:59:52,616 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:59:52,617 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:59:52,617 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fc53ca3f-faeb-4ba8-912a-fe5ffee6aae2/bin/utaipan/../../sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-2a.c [2019-11-26 02:59:52,663 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fc53ca3f-faeb-4ba8-912a-fe5ffee6aae2/bin/utaipan/data/681f7a0c3/a6392a5669c54888bdcabf9cb800881c/FLAG16aad37a9 [2019-11-26 02:59:53,122 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:59:53,123 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fc53ca3f-faeb-4ba8-912a-fe5ffee6aae2/sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-2a.c [2019-11-26 02:59:53,141 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fc53ca3f-faeb-4ba8-912a-fe5ffee6aae2/bin/utaipan/data/681f7a0c3/a6392a5669c54888bdcabf9cb800881c/FLAG16aad37a9 [2019-11-26 02:59:53,153 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fc53ca3f-faeb-4ba8-912a-fe5ffee6aae2/bin/utaipan/data/681f7a0c3/a6392a5669c54888bdcabf9cb800881c [2019-11-26 02:59:53,155 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:59:53,156 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:59:53,156 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:59:53,156 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:59:53,159 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:59:53,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:59:53" (1/1) ... [2019-11-26 02:59:53,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@750ee3c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:53, skipping insertion in model container [2019-11-26 02:59:53,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:59:53" (1/1) ... [2019-11-26 02:59:53,169 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:59:53,219 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:59:53,537 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:59:53,540 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:59:53,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:59:53,605 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:59:53,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:53 WrapperNode [2019-11-26 02:59:53,605 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:59:53,606 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:59:53,606 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:59:53,606 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:59:53,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:53" (1/1) ... [2019-11-26 02:59:53,626 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:53" (1/1) ... [2019-11-26 02:59:53,657 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:59:53,658 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:59:53,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:59:53,658 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:59:53,667 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:53" (1/1) ... [2019-11-26 02:59:53,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:53" (1/1) ... [2019-11-26 02:59:53,671 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:53" (1/1) ... [2019-11-26 02:59:53,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:53" (1/1) ... [2019-11-26 02:59:53,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:53" (1/1) ... [2019-11-26 02:59:53,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:53" (1/1) ... [2019-11-26 02:59:53,705 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:53" (1/1) ... [2019-11-26 02:59:53,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:59:53,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:59:53,709 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:59:53,709 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:59:53,709 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fc53ca3f-faeb-4ba8-912a-fe5ffee6aae2/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 02:59:53,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:59:53,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:59:53,948 WARN L735 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-11-26 02:59:54,451 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2019-11-26 02:59:54,452 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2019-11-26 02:59:54,807 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:59:54,807 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-26 02:59:54,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:59:54 BoogieIcfgContainer [2019-11-26 02:59:54,809 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:59:54,810 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:59:54,810 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:59:54,813 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:59:54,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:59:53" (1/3) ... [2019-11-26 02:59:54,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aebeab4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:59:54, skipping insertion in model container [2019-11-26 02:59:54,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:59:53" (2/3) ... [2019-11-26 02:59:54,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aebeab4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:59:54, skipping insertion in model container [2019-11-26 02:59:54,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:59:54" (3/3) ... [2019-11-26 02:59:54,819 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_clnt_2.BV.c.cil-2a.c [2019-11-26 02:59:54,827 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:59:54,834 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-11-26 02:59:54,844 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-11-26 02:59:54,878 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:59:54,878 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:59:54,878 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:59:54,878 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:59:54,879 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:59:54,879 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:59:54,879 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:59:54,879 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:59:54,898 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2019-11-26 02:59:54,905 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:59:54,913 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 82 states. [2019-11-26 02:59:54,988 INFO L444 ceAbstractionStarter]: For program point L168(lines 168 540) no Hoare annotation was computed. [2019-11-26 02:59:54,989 INFO L444 ceAbstractionStarter]: For program point L135(lines 135 551) no Hoare annotation was computed. [2019-11-26 02:59:54,989 INFO L444 ceAbstractionStarter]: For program point L102(lines 102 562) no Hoare annotation was computed. [2019-11-26 02:59:54,989 INFO L444 ceAbstractionStarter]: For program point L565(lines 565 593) no Hoare annotation was computed. [2019-11-26 02:59:54,989 INFO L444 ceAbstractionStarter]: For program point L301-1(lines 301 315) no Hoare annotation was computed. [2019-11-26 02:59:54,989 INFO L447 ceAbstractionStarter]: At program point L202(lines 99 563) the Hoare annotation is: true [2019-11-26 02:59:54,989 INFO L447 ceAbstractionStarter]: At program point L169(lines 165 541) the Hoare annotation is: true [2019-11-26 02:59:54,990 INFO L444 ceAbstractionStarter]: For program point L566(lines 566 590) no Hoare annotation was computed. [2019-11-26 02:59:54,990 INFO L444 ceAbstractionStarter]: For program point L335(lines 335 340) no Hoare annotation was computed. [2019-11-26 02:59:54,990 INFO L444 ceAbstractionStarter]: For program point L567(lines 567 576) no Hoare annotation was computed. [2019-11-26 02:59:54,991 INFO L444 ceAbstractionStarter]: For program point L567-2(lines 566 588) no Hoare annotation was computed. [2019-11-26 02:59:54,991 INFO L444 ceAbstractionStarter]: For program point L171(lines 171 539) no Hoare annotation was computed. [2019-11-26 02:59:54,991 INFO L444 ceAbstractionStarter]: For program point L138(lines 138 550) no Hoare annotation was computed. [2019-11-26 02:59:54,991 INFO L444 ceAbstractionStarter]: For program point L105(lines 105 561) no Hoare annotation was computed. [2019-11-26 02:59:54,992 INFO L447 ceAbstractionStarter]: At program point L139(lines 135 551) the Hoare annotation is: true [2019-11-26 02:59:54,992 INFO L444 ceAbstractionStarter]: For program point L569(lines 569 573) no Hoare annotation was computed. [2019-11-26 02:59:54,992 INFO L444 ceAbstractionStarter]: For program point L437(lines 437 442) no Hoare annotation was computed. [2019-11-26 02:59:54,992 INFO L444 ceAbstractionStarter]: For program point L305-2(lines 303 315) no Hoare annotation was computed. [2019-11-26 02:59:54,992 INFO L444 ceAbstractionStarter]: For program point L471(lines 471 475) no Hoare annotation was computed. [2019-11-26 02:59:54,992 INFO L444 ceAbstractionStarter]: For program point L174(lines 174 538) no Hoare annotation was computed. [2019-11-26 02:59:54,992 INFO L444 ceAbstractionStarter]: For program point L141(lines 141 549) no Hoare annotation was computed. [2019-11-26 02:59:54,992 INFO L444 ceAbstractionStarter]: For program point L207-2(lines 197 528) no Hoare annotation was computed. [2019-11-26 02:59:54,993 INFO L444 ceAbstractionStarter]: For program point L108(lines 108 560) no Hoare annotation was computed. [2019-11-26 02:59:54,993 INFO L444 ceAbstractionStarter]: For program point L406(lines 406 410) no Hoare annotation was computed. [2019-11-26 02:59:54,993 INFO L447 ceAbstractionStarter]: At program point L175(lines 171 539) the Hoare annotation is: true [2019-11-26 02:59:54,993 INFO L444 ceAbstractionStarter]: For program point L243(lines 243 248) no Hoare annotation was computed. [2019-11-26 02:59:54,993 INFO L444 ceAbstractionStarter]: For program point L177(lines 177 537) no Hoare annotation was computed. [2019-11-26 02:59:54,993 INFO L444 ceAbstractionStarter]: For program point L144(lines 144 548) no Hoare annotation was computed. [2019-11-26 02:59:54,993 INFO L444 ceAbstractionStarter]: For program point L111(lines 111 559) no Hoare annotation was computed. [2019-11-26 02:59:54,994 INFO L447 ceAbstractionStarter]: At program point L145(lines 141 549) the Hoare annotation is: true [2019-11-26 02:59:54,994 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 382) no Hoare annotation was computed. [2019-11-26 02:59:54,994 INFO L447 ceAbstractionStarter]: At program point L345(lines 345 349) the Hoare annotation is: true [2019-11-26 02:59:54,994 INFO L444 ceAbstractionStarter]: For program point L180(lines 180 536) no Hoare annotation was computed. [2019-11-26 02:59:54,994 INFO L444 ceAbstractionStarter]: For program point L147(lines 147 547) no Hoare annotation was computed. [2019-11-26 02:59:54,994 INFO L444 ceAbstractionStarter]: For program point L114(lines 114 558) no Hoare annotation was computed. [2019-11-26 02:59:54,994 INFO L447 ceAbstractionStarter]: At program point L181(lines 177 537) the Hoare annotation is: true [2019-11-26 02:59:54,994 INFO L447 ceAbstractionStarter]: At program point L115(lines 111 559) the Hoare annotation is: true [2019-11-26 02:59:54,995 INFO L447 ceAbstractionStarter]: At program point L611(lines 65 613) the Hoare annotation is: true [2019-11-26 02:59:54,995 INFO L444 ceAbstractionStarter]: For program point L447(lines 447 451) no Hoare annotation was computed. [2019-11-26 02:59:54,995 INFO L444 ceAbstractionStarter]: For program point L282-2(lines 197 528) no Hoare annotation was computed. [2019-11-26 02:59:54,999 INFO L444 ceAbstractionStarter]: For program point L183(lines 183 535) no Hoare annotation was computed. [2019-11-26 02:59:54,999 INFO L444 ceAbstractionStarter]: For program point L150(lines 150 546) no Hoare annotation was computed. [2019-11-26 02:59:54,999 INFO L444 ceAbstractionStarter]: For program point L117(lines 117 557) no Hoare annotation was computed. [2019-11-26 02:59:55,000 INFO L444 ceAbstractionStarter]: For program point L350(lines 350 354) no Hoare annotation was computed. [2019-11-26 02:59:55,000 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-26 02:59:55,001 INFO L444 ceAbstractionStarter]: For program point L219(lines 219 236) no Hoare annotation was computed. [2019-11-26 02:59:55,001 INFO L444 ceAbstractionStarter]: For program point L186(lines 186 534) no Hoare annotation was computed. [2019-11-26 02:59:55,001 INFO L444 ceAbstractionStarter]: For program point L153(lines 153 545) no Hoare annotation was computed. [2019-11-26 02:59:55,001 INFO L444 ceAbstractionStarter]: For program point L219-2(lines 197 528) no Hoare annotation was computed. [2019-11-26 02:59:55,001 INFO L444 ceAbstractionStarter]: For program point L120(lines 120 556) no Hoare annotation was computed. [2019-11-26 02:59:55,001 INFO L444 ceAbstractionStarter]: For program point L484-1(lines 484 496) no Hoare annotation was computed. [2019-11-26 02:59:55,002 INFO L444 ceAbstractionStarter]: For program point L418(lines 418 422) no Hoare annotation was computed. [2019-11-26 02:59:55,002 INFO L447 ceAbstractionStarter]: At program point L187(lines 183 535) the Hoare annotation is: true [2019-11-26 02:59:55,002 INFO L447 ceAbstractionStarter]: At program point L121(lines 117 557) the Hoare annotation is: true [2019-11-26 02:59:55,002 INFO L444 ceAbstractionStarter]: For program point L221(lines 221 226) no Hoare annotation was computed. [2019-11-26 02:59:55,003 INFO L447 ceAbstractionStarter]: At program point L189(lines 189 533) the Hoare annotation is: true [2019-11-26 02:59:55,003 INFO L444 ceAbstractionStarter]: For program point L156(lines 156 544) no Hoare annotation was computed. [2019-11-26 02:59:55,003 INFO L444 ceAbstractionStarter]: For program point L123(lines 123 555) no Hoare annotation was computed. [2019-11-26 02:59:55,003 INFO L444 ceAbstractionStarter]: For program point L487(lines 487 492) no Hoare annotation was computed. [2019-11-26 02:59:55,003 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:59:55,003 INFO L444 ceAbstractionStarter]: For program point L322-2(lines 197 528) no Hoare annotation was computed. [2019-11-26 02:59:55,004 INFO L447 ceAbstractionStarter]: At program point L190(lines 189 533) the Hoare annotation is: true [2019-11-26 02:59:55,004 INFO L447 ceAbstractionStarter]: At program point L157(lines 147 547) the Hoare annotation is: true [2019-11-26 02:59:55,004 INFO L444 ceAbstractionStarter]: For program point L389(lines 389 393) no Hoare annotation was computed. [2019-11-26 02:59:55,004 INFO L444 ceAbstractionStarter]: For program point L159(lines 159 543) no Hoare annotation was computed. [2019-11-26 02:59:55,004 INFO L444 ceAbstractionStarter]: For program point L126(lines 126 554) no Hoare annotation was computed. [2019-11-26 02:59:55,005 INFO L444 ceAbstractionStarter]: For program point L93-1(lines 65 613) no Hoare annotation was computed. [2019-11-26 02:59:55,005 INFO L447 ceAbstractionStarter]: At program point L127(lines 123 555) the Hoare annotation is: true [2019-11-26 02:59:55,005 INFO L444 ceAbstractionStarter]: For program point L227(lines 227 232) no Hoare annotation was computed. [2019-11-26 02:59:55,005 INFO L444 ceAbstractionStarter]: For program point L260-2(lines 197 528) no Hoare annotation was computed. [2019-11-26 02:59:55,005 INFO L444 ceAbstractionStarter]: For program point L426-2(lines 197 528) no Hoare annotation was computed. [2019-11-26 02:59:55,006 INFO L444 ceAbstractionStarter]: For program point L162(lines 162 542) no Hoare annotation was computed. [2019-11-26 02:59:55,006 INFO L444 ceAbstractionStarter]: For program point L129(lines 129 553) no Hoare annotation was computed. [2019-11-26 02:59:55,006 INFO L447 ceAbstractionStarter]: At program point L96(lines 96 564) the Hoare annotation is: true [2019-11-26 02:59:55,007 INFO L444 ceAbstractionStarter]: For program point L361(lines 361 365) no Hoare annotation was computed. [2019-11-26 02:59:55,007 INFO L447 ceAbstractionStarter]: At program point L163(lines 159 543) the Hoare annotation is: true [2019-11-26 02:59:55,008 INFO L444 ceAbstractionStarter]: For program point L165(lines 165 541) no Hoare annotation was computed. [2019-11-26 02:59:55,008 INFO L444 ceAbstractionStarter]: For program point L132(lines 132 552) no Hoare annotation was computed. [2019-11-26 02:59:55,008 INFO L444 ceAbstractionStarter]: For program point L99(lines 99 563) no Hoare annotation was computed. [2019-11-26 02:59:55,008 INFO L447 ceAbstractionStarter]: At program point L529(lines 93 595) the Hoare annotation is: true [2019-11-26 02:59:55,009 INFO L447 ceAbstractionStarter]: At program point L133(lines 129 553) the Hoare annotation is: true [2019-11-26 02:59:55,009 INFO L447 ceAbstractionStarter]: At program point L596(lines 92 597) the Hoare annotation is: true [2019-11-26 02:59:55,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:59:55 BoogieIcfgContainer [2019-11-26 02:59:55,026 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:59:55,026 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:59:55,027 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:59:55,027 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:59:55,028 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:59:54" (3/4) ... [2019-11-26 02:59:55,031 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:59:55,061 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2019-11-26 02:59:55,062 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-26 02:59:55,063 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:59:55,196 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_fc53ca3f-faeb-4ba8-912a-fe5ffee6aae2/bin/utaipan/witness.graphml [2019-11-26 02:59:55,196 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:59:55,199 INFO L168 Benchmark]: Toolchain (without parser) took 2041.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 944.7 MB in the beginning and 986.5 MB in the end (delta: -41.8 MB). Peak memory consumption was 75.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:59:55,208 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:59:55,209 INFO L168 Benchmark]: CACSL2BoogieTranslator took 449.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -162.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:59:55,209 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.61 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. [2019-11-26 02:59:55,209 INFO L168 Benchmark]: Boogie Preprocessor took 50.30 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:59:55,210 INFO L168 Benchmark]: RCFGBuilder took 1100.38 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: 86.8 MB). Peak memory consumption was 86.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:59:55,210 INFO L168 Benchmark]: TraceAbstraction took 216.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 997.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:59:55,211 INFO L168 Benchmark]: Witness Printer took 169.94 ms. Allocated memory is still 1.1 GB. Free memory was 997.2 MB in the beginning and 986.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:59:55,212 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 449.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -162.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.61 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 50.30 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1100.38 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: 86.8 MB). Peak memory consumption was 86.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 216.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 997.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Witness Printer took 169.94 ms. Allocated memory is still 1.1 GB. Free memory was 997.2 MB in the beginning and 986.5 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: 171]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 345]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 65]: 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: 189]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 92]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 82 locations, 0 error locations. Result: SAFE, OverallTime: 0.1s, 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...