./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/sum02-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_020cd506-e49b-42a4-a6a6-298b1cd5dad7/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_020cd506-e49b-42a4-a6a6-298b1cd5dad7/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_020cd506-e49b-42a4-a6a6-298b1cd5dad7/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_020cd506-e49b-42a4-a6a6-298b1cd5dad7/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/sum02-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_020cd506-e49b-42a4-a6a6-298b1cd5dad7/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_020cd506-e49b-42a4-a6a6-298b1cd5dad7/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 ac7d4175c94552e4f21f509ea6e5d5d560923b89 ................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:00:20,536 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:00:20,539 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:00:20,630 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:00:20,631 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:00:20,632 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:00:20,634 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:00:20,636 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:00:20,639 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:00:20,642 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:00:20,643 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:00:20,646 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:00:20,647 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:00:20,654 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:00:20,656 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:00:20,658 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:00:20,659 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:00:20,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:00:20,663 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:00:20,671 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:00:20,680 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:00:20,682 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:00:20,683 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:00:20,685 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:00:20,688 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:00:20,690 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:00:20,691 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:00:20,692 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:00:20,693 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:00:20,694 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:00:20,695 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:00:20,696 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:00:20,698 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:00:20,699 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:00:20,700 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:00:20,701 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:00:20,701 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:00:20,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:00:20,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:00:20,703 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:00:20,704 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:00:20,706 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_020cd506-e49b-42a4-a6a6-298b1cd5dad7/bin/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf [2020-11-22 13:00:20,749 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:00:20,749 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:00:20,750 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:00:20,751 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:00:20,751 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:00:20,751 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:00:20,751 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:00:20,751 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:00:20,752 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:00:20,752 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:00:20,752 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:00:20,752 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:00:20,753 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:00:20,753 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:00:20,753 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:00:20,754 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:00:20,754 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:00:20,754 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-22 13:00:20,755 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:00:20,755 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:00:20,755 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:00:20,755 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:00:20,755 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:00:20,756 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:00:20,756 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-22 13:00:20,756 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:00:20,756 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:00:20,757 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:00:20,757 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:00:20,757 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:00:20,757 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:00:20,758 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:00:20,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:00:20,758 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:00:20,758 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:00:20,758 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:00:20,759 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:00:20,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:00:20,759 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:00:20,759 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:00:20,760 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:00:20,760 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_020cd506-e49b-42a4-a6a6-298b1cd5dad7/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_020cd506-e49b-42a4-a6a6-298b1cd5dad7/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac7d4175c94552e4f21f509ea6e5d5d560923b89 [2020-11-22 13:00:21,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:00:21,028 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:00:21,030 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:00:21,031 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:00:21,032 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:00:21,033 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_020cd506-e49b-42a4-a6a6-298b1cd5dad7/bin/utaipan/../../sv-benchmarks/c/bitvector/sum02-1.c [2020-11-22 13:00:21,127 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_020cd506-e49b-42a4-a6a6-298b1cd5dad7/bin/utaipan/data/d706c2ffa/b45a6daacab444b5af6550384793b601/FLAGcf47fb0f0 [2020-11-22 13:00:21,563 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:00:21,564 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_020cd506-e49b-42a4-a6a6-298b1cd5dad7/sv-benchmarks/c/bitvector/sum02-1.c [2020-11-22 13:00:21,588 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_020cd506-e49b-42a4-a6a6-298b1cd5dad7/bin/utaipan/data/d706c2ffa/b45a6daacab444b5af6550384793b601/FLAGcf47fb0f0 [2020-11-22 13:00:21,945 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_020cd506-e49b-42a4-a6a6-298b1cd5dad7/bin/utaipan/data/d706c2ffa/b45a6daacab444b5af6550384793b601 [2020-11-22 13:00:21,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:00:21,948 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:00:21,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:00:21,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:00:21,954 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:00:21,955 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:00:21" (1/1) ... [2020-11-22 13:00:21,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b0c1aad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:21, skipping insertion in model container [2020-11-22 13:00:21,963 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:00:21" (1/1) ... [2020-11-22 13:00:21,969 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:00:21,983 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:00:22,221 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:00:22,234 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:00:22,255 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:00:22,269 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:00:22,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:22 WrapperNode [2020-11-22 13:00:22,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:00:22,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:00:22,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:00:22,272 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:00:22,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:22" (1/1) ... [2020-11-22 13:00:22,285 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:22" (1/1) ... [2020-11-22 13:00:22,303 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:00:22,306 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:00:22,307 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:00:22,307 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:00:22,314 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:22" (1/1) ... [2020-11-22 13:00:22,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:22" (1/1) ... [2020-11-22 13:00:22,325 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:22" (1/1) ... [2020-11-22 13:00:22,326 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:22" (1/1) ... [2020-11-22 13:00:22,334 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:22" (1/1) ... [2020-11-22 13:00:22,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:22" (1/1) ... [2020-11-22 13:00:22,339 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:22" (1/1) ... [2020-11-22 13:00:22,342 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:00:22,344 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:00:22,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:00:22,346 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:00:22,347 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_020cd506-e49b-42a4-a6a6-298b1cd5dad7/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 [2020-11-22 13:00:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:00:22,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:00:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-22 13:00:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:00:22,936 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:00:22,936 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-22 13:00:22,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:00:22 BoogieIcfgContainer [2020-11-22 13:00:22,938 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:00:22,940 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:00:22,940 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:00:22,945 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:00:22,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:00:21" (1/3) ... [2020-11-22 13:00:22,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2149ea20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:00:22, skipping insertion in model container [2020-11-22 13:00:22,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:00:22" (2/3) ... [2020-11-22 13:00:22,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2149ea20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:00:22, skipping insertion in model container [2020-11-22 13:00:22,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:00:22" (3/3) ... [2020-11-22 13:00:22,949 INFO L111 eAbstractionObserver]: Analyzing ICFG sum02-1.c [2020-11-22 13:00:22,960 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:00:22,967 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-11-22 13:00:22,978 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-11-22 13:00:23,010 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:00:23,010 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:00:23,010 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:00:23,011 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:00:23,011 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:00:23,011 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:00:23,011 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:00:23,012 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:00:23,022 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states. [2020-11-22 13:00:23,028 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 13:00:23,031 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 3 states. [2020-11-22 13:00:23,076 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 13:00:23,076 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 13:00:23,077 INFO L277 CegarLoopResult]: At program point L14-3(lines 14 16) the Hoare annotation is: true [2020-11-22 13:00:23,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:00:23 BoogieIcfgContainer [2020-11-22 13:00:23,084 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:00:23,085 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:00:23,085 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:00:23,085 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:00:23,086 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:00:22" (3/4) ... [2020-11-22 13:00:23,089 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 13:00:23,098 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-11-22 13:00:23,099 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-11-22 13:00:23,099 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-22 13:00:23,099 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:00:23,155 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_020cd506-e49b-42a4-a6a6-298b1cd5dad7/bin/utaipan/witness.graphml [2020-11-22 13:00:23,155 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:00:23,159 INFO L168 Benchmark]: Toolchain (without parser) took 1208.89 ms. Allocated memory is still 125.8 MB. Free memory was 96.3 MB in the beginning and 77.5 MB in the end (delta: 18.8 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. [2020-11-22 13:00:23,165 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 88.1 MB. Free memory was 46.7 MB in the beginning and 46.6 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:00:23,166 INFO L168 Benchmark]: CACSL2BoogieTranslator took 320.24 ms. Allocated memory is still 125.8 MB. Free memory was 96.0 MB in the beginning and 104.3 MB in the end (delta: -8.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:00:23,167 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.25 ms. Allocated memory is still 125.8 MB. Free memory was 103.9 MB in the beginning and 102.7 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:00:23,167 INFO L168 Benchmark]: Boogie Preprocessor took 36.53 ms. Allocated memory is still 125.8 MB. Free memory was 102.7 MB in the beginning and 101.8 MB in the end (delta: 905.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:00:23,168 INFO L168 Benchmark]: RCFGBuilder took 594.71 ms. Allocated memory is still 125.8 MB. Free memory was 101.8 MB in the beginning and 86.6 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-22 13:00:23,169 INFO L168 Benchmark]: TraceAbstraction took 144.21 ms. Allocated memory is still 125.8 MB. Free memory was 86.2 MB in the beginning and 79.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-22 13:00:23,170 INFO L168 Benchmark]: Witness Printer took 71.15 ms. Allocated memory is still 125.8 MB. Free memory was 79.6 MB in the beginning and 77.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:00:23,173 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 88.1 MB. Free memory was 46.7 MB in the beginning and 46.6 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 320.24 ms. Allocated memory is still 125.8 MB. Free memory was 96.0 MB in the beginning and 104.3 MB in the end (delta: -8.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 32.25 ms. Allocated memory is still 125.8 MB. Free memory was 103.9 MB in the beginning and 102.7 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 36.53 ms. Allocated memory is still 125.8 MB. Free memory was 102.7 MB in the beginning and 101.8 MB in the end (delta: 905.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 594.71 ms. Allocated memory is still 125.8 MB. Free memory was 101.8 MB in the beginning and 86.6 MB in the end (delta: 15.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 144.21 ms. Allocated memory is still 125.8 MB. Free memory was 86.2 MB in the beginning and 79.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Witness Printer took 71.15 ms. Allocated memory is still 125.8 MB. Free memory was 79.6 MB in the beginning and 77.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 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: 14]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 3 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3occurred 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, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 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...