./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 f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a1b3f89f-f9a8-4f43-ae65-7017c110c850/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a1b3f89f-f9a8-4f43-ae65-7017c110c850/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a1b3f89f-f9a8-4f43-ae65-7017c110c850/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a1b3f89f-f9a8-4f43-ae65-7017c110c850/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_a1b3f89f-f9a8-4f43-ae65-7017c110c850/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a1b3f89f-f9a8-4f43-ae65-7017c110c850/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 0.1.25-f470102 [2019-12-07 21:10:33,672 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 21:10:33,673 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 21:10:33,681 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 21:10:33,681 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 21:10:33,682 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 21:10:33,683 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 21:10:33,684 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 21:10:33,685 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 21:10:33,686 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 21:10:33,686 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 21:10:33,687 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 21:10:33,687 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 21:10:33,688 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 21:10:33,689 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 21:10:33,689 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 21:10:33,690 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 21:10:33,691 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 21:10:33,692 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 21:10:33,693 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 21:10:33,695 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 21:10:33,695 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 21:10:33,696 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 21:10:33,696 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 21:10:33,698 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 21:10:33,698 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 21:10:33,698 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 21:10:33,699 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 21:10:33,699 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 21:10:33,700 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 21:10:33,700 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 21:10:33,700 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 21:10:33,701 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 21:10:33,701 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 21:10:33,701 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 21:10:33,702 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 21:10:33,702 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 21:10:33,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 21:10:33,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 21:10:33,703 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 21:10:33,703 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 21:10:33,704 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a1b3f89f-f9a8-4f43-ae65-7017c110c850/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf [2019-12-07 21:10:33,714 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 21:10:33,714 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 21:10:33,714 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 21:10:33,714 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 21:10:33,715 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 21:10:33,715 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 21:10:33,715 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 21:10:33,715 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 21:10:33,715 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 21:10:33,715 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 21:10:33,715 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 21:10:33,715 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 21:10:33,716 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 21:10:33,716 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 21:10:33,716 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 21:10:33,716 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 21:10:33,716 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 21:10:33,717 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 21:10:33,717 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 21:10:33,717 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 21:10:33,717 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 21:10:33,717 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 21:10:33,717 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 21:10:33,717 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 21:10:33,717 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-12-07 21:10:33,717 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 21:10:33,718 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 21:10:33,718 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 21:10:33,718 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 21:10:33,718 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 21:10:33,718 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 21:10:33,718 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 21:10:33,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:10:33,719 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 21:10:33,719 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 21:10:33,719 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 21:10:33,719 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 21:10:33,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 21:10:33,719 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 21:10:33,719 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 21:10:33,719 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 21:10:33,719 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_a1b3f89f-f9a8-4f43-ae65-7017c110c850/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 [2019-12-07 21:10:33,816 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 21:10:33,826 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 21:10:33,829 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 21:10:33,830 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 21:10:33,830 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 21:10:33,831 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a1b3f89f-f9a8-4f43-ae65-7017c110c850/bin/utaipan/../../sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-2a.c [2019-12-07 21:10:33,870 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a1b3f89f-f9a8-4f43-ae65-7017c110c850/bin/utaipan/data/10ffa46bc/df23363699ec4acc9927e60c6255e7aa/FLAGbe1c8117c [2019-12-07 21:10:34,299 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 21:10:34,300 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a1b3f89f-f9a8-4f43-ae65-7017c110c850/sv-benchmarks/c/bitvector/s3_clnt_2.BV.c.cil-2a.c [2019-12-07 21:10:34,307 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a1b3f89f-f9a8-4f43-ae65-7017c110c850/bin/utaipan/data/10ffa46bc/df23363699ec4acc9927e60c6255e7aa/FLAGbe1c8117c [2019-12-07 21:10:34,316 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a1b3f89f-f9a8-4f43-ae65-7017c110c850/bin/utaipan/data/10ffa46bc/df23363699ec4acc9927e60c6255e7aa [2019-12-07 21:10:34,318 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 21:10:34,319 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 21:10:34,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 21:10:34,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 21:10:34,322 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 21:10:34,323 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:10:34" (1/1) ... [2019-12-07 21:10:34,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c5feb34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:10:34, skipping insertion in model container [2019-12-07 21:10:34,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:10:34" (1/1) ... [2019-12-07 21:10:34,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 21:10:34,353 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:10:34,527 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:10:34,529 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 21:10:34,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:10:34,572 INFO L208 MainTranslator]: Completed translation [2019-12-07 21:10:34,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:10:34 WrapperNode [2019-12-07 21:10:34,573 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 21:10:34,573 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 21:10:34,573 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 21:10:34,573 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 21:10:34,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:10:34" (1/1) ... [2019-12-07 21:10:34,585 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:10:34" (1/1) ... [2019-12-07 21:10:34,606 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 21:10:34,607 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 21:10:34,607 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 21:10:34,607 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 21:10:34,613 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:10:34" (1/1) ... [2019-12-07 21:10:34,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:10:34" (1/1) ... [2019-12-07 21:10:34,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:10:34" (1/1) ... [2019-12-07 21:10:34,615 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:10:34" (1/1) ... [2019-12-07 21:10:34,620 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:10:34" (1/1) ... [2019-12-07 21:10:34,626 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:10:34" (1/1) ... [2019-12-07 21:10:34,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:10:34" (1/1) ... [2019-12-07 21:10:34,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 21:10:34,631 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 21:10:34,631 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 21:10:34,631 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 21:10:34,631 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:10:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a1b3f89f-f9a8-4f43-ae65-7017c110c850/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 21:10:34,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 21:10:34,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 21:10:34,737 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 21:10:34,995 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2019-12-07 21:10:34,995 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2019-12-07 21:10:35,191 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 21:10:35,191 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 21:10:35,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:10:35 BoogieIcfgContainer [2019-12-07 21:10:35,192 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 21:10:35,193 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 21:10:35,193 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 21:10:35,195 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 21:10:35,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 09:10:34" (1/3) ... [2019-12-07 21:10:35,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1caff5e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:10:35, skipping insertion in model container [2019-12-07 21:10:35,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:10:34" (2/3) ... [2019-12-07 21:10:35,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1caff5e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:10:35, skipping insertion in model container [2019-12-07 21:10:35,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:10:35" (3/3) ... [2019-12-07 21:10:35,197 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_clnt_2.BV.c.cil-2a.c [2019-12-07 21:10:35,204 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 21:10:35,209 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-12-07 21:10:35,217 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-12-07 21:10:35,232 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 21:10:35,233 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 21:10:35,233 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 21:10:35,233 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 21:10:35,233 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 21:10:35,233 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 21:10:35,233 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 21:10:35,233 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 21:10:35,244 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2019-12-07 21:10:35,248 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 21:10:35,252 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 82 states. [2019-12-07 21:10:35,297 INFO L246 CegarLoopResult]: For program point L168(lines 168 540) no Hoare annotation was computed. [2019-12-07 21:10:35,298 INFO L246 CegarLoopResult]: For program point L135(lines 135 551) no Hoare annotation was computed. [2019-12-07 21:10:35,298 INFO L246 CegarLoopResult]: For program point L102(lines 102 562) no Hoare annotation was computed. [2019-12-07 21:10:35,298 INFO L246 CegarLoopResult]: For program point L565(lines 565 593) no Hoare annotation was computed. [2019-12-07 21:10:35,298 INFO L246 CegarLoopResult]: For program point L301-1(lines 301 315) no Hoare annotation was computed. [2019-12-07 21:10:35,298 INFO L249 CegarLoopResult]: At program point L202(lines 99 563) the Hoare annotation is: true [2019-12-07 21:10:35,298 INFO L249 CegarLoopResult]: At program point L169(lines 165 541) the Hoare annotation is: true [2019-12-07 21:10:35,298 INFO L246 CegarLoopResult]: For program point L566(lines 566 590) no Hoare annotation was computed. [2019-12-07 21:10:35,298 INFO L246 CegarLoopResult]: For program point L335(lines 335 340) no Hoare annotation was computed. [2019-12-07 21:10:35,298 INFO L246 CegarLoopResult]: For program point L567(lines 567 576) no Hoare annotation was computed. [2019-12-07 21:10:35,299 INFO L246 CegarLoopResult]: For program point L567-2(lines 566 588) no Hoare annotation was computed. [2019-12-07 21:10:35,299 INFO L246 CegarLoopResult]: For program point L171(lines 171 539) no Hoare annotation was computed. [2019-12-07 21:10:35,299 INFO L246 CegarLoopResult]: For program point L138(lines 138 550) no Hoare annotation was computed. [2019-12-07 21:10:35,299 INFO L246 CegarLoopResult]: For program point L105(lines 105 561) no Hoare annotation was computed. [2019-12-07 21:10:35,299 INFO L249 CegarLoopResult]: At program point L139(lines 135 551) the Hoare annotation is: true [2019-12-07 21:10:35,299 INFO L246 CegarLoopResult]: For program point L569(lines 569 573) no Hoare annotation was computed. [2019-12-07 21:10:35,299 INFO L246 CegarLoopResult]: For program point L437(lines 437 442) no Hoare annotation was computed. [2019-12-07 21:10:35,299 INFO L246 CegarLoopResult]: For program point L305-2(lines 303 315) no Hoare annotation was computed. [2019-12-07 21:10:35,299 INFO L246 CegarLoopResult]: For program point L471(lines 471 475) no Hoare annotation was computed. [2019-12-07 21:10:35,299 INFO L246 CegarLoopResult]: For program point L174(lines 174 538) no Hoare annotation was computed. [2019-12-07 21:10:35,299 INFO L246 CegarLoopResult]: For program point L141(lines 141 549) no Hoare annotation was computed. [2019-12-07 21:10:35,300 INFO L246 CegarLoopResult]: For program point L207-2(lines 197 528) no Hoare annotation was computed. [2019-12-07 21:10:35,300 INFO L246 CegarLoopResult]: For program point L108(lines 108 560) no Hoare annotation was computed. [2019-12-07 21:10:35,300 INFO L246 CegarLoopResult]: For program point L406(lines 406 410) no Hoare annotation was computed. [2019-12-07 21:10:35,300 INFO L249 CegarLoopResult]: At program point L175(lines 171 539) the Hoare annotation is: true [2019-12-07 21:10:35,300 INFO L246 CegarLoopResult]: For program point L243(lines 243 248) no Hoare annotation was computed. [2019-12-07 21:10:35,300 INFO L246 CegarLoopResult]: For program point L177(lines 177 537) no Hoare annotation was computed. [2019-12-07 21:10:35,300 INFO L246 CegarLoopResult]: For program point L144(lines 144 548) no Hoare annotation was computed. [2019-12-07 21:10:35,300 INFO L246 CegarLoopResult]: For program point L111(lines 111 559) no Hoare annotation was computed. [2019-12-07 21:10:35,300 INFO L249 CegarLoopResult]: At program point L145(lines 141 549) the Hoare annotation is: true [2019-12-07 21:10:35,300 INFO L246 CegarLoopResult]: For program point L378(lines 378 382) no Hoare annotation was computed. [2019-12-07 21:10:35,301 INFO L249 CegarLoopResult]: At program point L345(lines 345 349) the Hoare annotation is: true [2019-12-07 21:10:35,301 INFO L246 CegarLoopResult]: For program point L180(lines 180 536) no Hoare annotation was computed. [2019-12-07 21:10:35,301 INFO L246 CegarLoopResult]: For program point L147(lines 147 547) no Hoare annotation was computed. [2019-12-07 21:10:35,301 INFO L246 CegarLoopResult]: For program point L114(lines 114 558) no Hoare annotation was computed. [2019-12-07 21:10:35,301 INFO L249 CegarLoopResult]: At program point L181(lines 177 537) the Hoare annotation is: true [2019-12-07 21:10:35,301 INFO L249 CegarLoopResult]: At program point L115(lines 111 559) the Hoare annotation is: true [2019-12-07 21:10:35,301 INFO L249 CegarLoopResult]: At program point L611(lines 65 613) the Hoare annotation is: true [2019-12-07 21:10:35,301 INFO L246 CegarLoopResult]: For program point L447(lines 447 451) no Hoare annotation was computed. [2019-12-07 21:10:35,301 INFO L246 CegarLoopResult]: For program point L282-2(lines 197 528) no Hoare annotation was computed. [2019-12-07 21:10:35,301 INFO L246 CegarLoopResult]: For program point L183(lines 183 535) no Hoare annotation was computed. [2019-12-07 21:10:35,301 INFO L246 CegarLoopResult]: For program point L150(lines 150 546) no Hoare annotation was computed. [2019-12-07 21:10:35,301 INFO L246 CegarLoopResult]: For program point L117(lines 117 557) no Hoare annotation was computed. [2019-12-07 21:10:35,302 INFO L246 CegarLoopResult]: For program point L350(lines 350 354) no Hoare annotation was computed. [2019-12-07 21:10:35,302 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 21:10:35,302 INFO L246 CegarLoopResult]: For program point L219(lines 219 236) no Hoare annotation was computed. [2019-12-07 21:10:35,302 INFO L246 CegarLoopResult]: For program point L186(lines 186 534) no Hoare annotation was computed. [2019-12-07 21:10:35,302 INFO L246 CegarLoopResult]: For program point L153(lines 153 545) no Hoare annotation was computed. [2019-12-07 21:10:35,302 INFO L246 CegarLoopResult]: For program point L219-2(lines 197 528) no Hoare annotation was computed. [2019-12-07 21:10:35,302 INFO L246 CegarLoopResult]: For program point L120(lines 120 556) no Hoare annotation was computed. [2019-12-07 21:10:35,302 INFO L246 CegarLoopResult]: For program point L484-1(lines 484 496) no Hoare annotation was computed. [2019-12-07 21:10:35,302 INFO L246 CegarLoopResult]: For program point L418(lines 418 422) no Hoare annotation was computed. [2019-12-07 21:10:35,302 INFO L249 CegarLoopResult]: At program point L187(lines 183 535) the Hoare annotation is: true [2019-12-07 21:10:35,302 INFO L249 CegarLoopResult]: At program point L121(lines 117 557) the Hoare annotation is: true [2019-12-07 21:10:35,303 INFO L246 CegarLoopResult]: For program point L221(lines 221 226) no Hoare annotation was computed. [2019-12-07 21:10:35,303 INFO L249 CegarLoopResult]: At program point L189(lines 189 533) the Hoare annotation is: true [2019-12-07 21:10:35,303 INFO L246 CegarLoopResult]: For program point L156(lines 156 544) no Hoare annotation was computed. [2019-12-07 21:10:35,303 INFO L246 CegarLoopResult]: For program point L123(lines 123 555) no Hoare annotation was computed. [2019-12-07 21:10:35,303 INFO L246 CegarLoopResult]: For program point L487(lines 487 492) no Hoare annotation was computed. [2019-12-07 21:10:35,303 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 21:10:35,303 INFO L246 CegarLoopResult]: For program point L322-2(lines 197 528) no Hoare annotation was computed. [2019-12-07 21:10:35,303 INFO L249 CegarLoopResult]: At program point L190(lines 189 533) the Hoare annotation is: true [2019-12-07 21:10:35,303 INFO L249 CegarLoopResult]: At program point L157(lines 147 547) the Hoare annotation is: true [2019-12-07 21:10:35,303 INFO L246 CegarLoopResult]: For program point L389(lines 389 393) no Hoare annotation was computed. [2019-12-07 21:10:35,303 INFO L246 CegarLoopResult]: For program point L159(lines 159 543) no Hoare annotation was computed. [2019-12-07 21:10:35,304 INFO L246 CegarLoopResult]: For program point L126(lines 126 554) no Hoare annotation was computed. [2019-12-07 21:10:35,304 INFO L246 CegarLoopResult]: For program point L93-1(lines 65 613) no Hoare annotation was computed. [2019-12-07 21:10:35,304 INFO L249 CegarLoopResult]: At program point L127(lines 123 555) the Hoare annotation is: true [2019-12-07 21:10:35,304 INFO L246 CegarLoopResult]: For program point L227(lines 227 232) no Hoare annotation was computed. [2019-12-07 21:10:35,304 INFO L246 CegarLoopResult]: For program point L260-2(lines 197 528) no Hoare annotation was computed. [2019-12-07 21:10:35,304 INFO L246 CegarLoopResult]: For program point L426-2(lines 197 528) no Hoare annotation was computed. [2019-12-07 21:10:35,304 INFO L246 CegarLoopResult]: For program point L162(lines 162 542) no Hoare annotation was computed. [2019-12-07 21:10:35,304 INFO L246 CegarLoopResult]: For program point L129(lines 129 553) no Hoare annotation was computed. [2019-12-07 21:10:35,304 INFO L249 CegarLoopResult]: At program point L96(lines 96 564) the Hoare annotation is: true [2019-12-07 21:10:35,304 INFO L246 CegarLoopResult]: For program point L361(lines 361 365) no Hoare annotation was computed. [2019-12-07 21:10:35,304 INFO L249 CegarLoopResult]: At program point L163(lines 159 543) the Hoare annotation is: true [2019-12-07 21:10:35,305 INFO L246 CegarLoopResult]: For program point L165(lines 165 541) no Hoare annotation was computed. [2019-12-07 21:10:35,305 INFO L246 CegarLoopResult]: For program point L132(lines 132 552) no Hoare annotation was computed. [2019-12-07 21:10:35,305 INFO L246 CegarLoopResult]: For program point L99(lines 99 563) no Hoare annotation was computed. [2019-12-07 21:10:35,305 INFO L249 CegarLoopResult]: At program point L529(lines 93 595) the Hoare annotation is: true [2019-12-07 21:10:35,305 INFO L249 CegarLoopResult]: At program point L133(lines 129 553) the Hoare annotation is: true [2019-12-07 21:10:35,305 INFO L249 CegarLoopResult]: At program point L596(lines 92 597) the Hoare annotation is: true [2019-12-07 21:10:35,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 09:10:35 BoogieIcfgContainer [2019-12-07 21:10:35,312 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 21:10:35,312 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 21:10:35,312 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 21:10:35,312 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 21:10:35,313 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:10:35" (3/4) ... [2019-12-07 21:10:35,315 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 21:10:35,327 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2019-12-07 21:10:35,328 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-07 21:10:35,329 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 21:10:35,396 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a1b3f89f-f9a8-4f43-ae65-7017c110c850/bin/utaipan/witness.graphml [2019-12-07 21:10:35,397 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 21:10:35,398 INFO L168 Benchmark]: Toolchain (without parser) took 1078.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 948.9 MB in the beginning and 968.8 MB in the end (delta: -19.9 MB). Peak memory consumption was 80.8 MB. Max. memory is 11.5 GB. [2019-12-07 21:10:35,398 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:10:35,399 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 948.9 MB in the beginning and 1.1 GB in the end (delta: -141.1 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 21:10:35,399 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.38 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 21:10:35,399 INFO L168 Benchmark]: Boogie Preprocessor took 23.71 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 21:10:35,399 INFO L168 Benchmark]: RCFGBuilder took 561.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 995.6 MB in the end (delta: 89.0 MB). Peak memory consumption was 89.0 MB. Max. memory is 11.5 GB. [2019-12-07 21:10:35,400 INFO L168 Benchmark]: TraceAbstraction took 119.10 ms. Allocated memory is still 1.1 GB. Free memory was 995.6 MB in the beginning and 979.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-12-07 21:10:35,400 INFO L168 Benchmark]: Witness Printer took 84.40 ms. Allocated memory is still 1.1 GB. Free memory was 979.5 MB in the beginning and 968.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 21:10:35,401 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 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 253.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 948.9 MB in the beginning and 1.1 GB in the end (delta: -141.1 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.38 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 23.71 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 561.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 995.6 MB in the end (delta: 89.0 MB). Peak memory consumption was 89.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 119.10 ms. Allocated memory is still 1.1 GB. Free memory was 995.6 MB in the beginning and 979.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Witness Printer took 84.40 ms. Allocated memory is still 1.1 GB. Free memory was 979.5 MB in the beginning and 968.8 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: 0.0s, 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...