./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/sum_non_eq-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_aa5629e8-b4cf-4dc0-bbc6-922de6d7f01f/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_aa5629e8-b4cf-4dc0-bbc6-922de6d7f01f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_aa5629e8-b4cf-4dc0-bbc6-922de6d7f01f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_aa5629e8-b4cf-4dc0-bbc6-922de6d7f01f/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/recursive-simple/sum_non_eq-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_aa5629e8-b4cf-4dc0-bbc6-922de6d7f01f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_aa5629e8-b4cf-4dc0-bbc6-922de6d7f01f/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 301c54c8b861008a1cf318e5b7f3396bc86db7c8 .................................................................................................................................................................................................................................................................................................................................................................. 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 11:13:04,489 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:13:04,490 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:13:04,499 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:13:04,499 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:13:04,500 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:13:04,501 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:13:04,503 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:13:04,505 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:13:04,505 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:13:04,506 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:13:04,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:13:04,507 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:13:04,508 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:13:04,508 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:13:04,509 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:13:04,510 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:13:04,511 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:13:04,512 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:13:04,514 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:13:04,515 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:13:04,515 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:13:04,516 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:13:04,517 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:13:04,518 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:13:04,518 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:13:04,518 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:13:04,519 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:13:04,519 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:13:04,520 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:13:04,520 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:13:04,521 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:13:04,521 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:13:04,522 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:13:04,523 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:13:04,523 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:13:04,523 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:13:04,524 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:13:04,524 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:13:04,524 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:13:04,525 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:13:04,526 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_aa5629e8-b4cf-4dc0-bbc6-922de6d7f01f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 11:13:04,539 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:13:04,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:13:04,540 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 11:13:04,540 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 11:13:04,540 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 11:13:04,540 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 11:13:04,541 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 11:13:04,541 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 11:13:04,541 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 11:13:04,541 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 11:13:04,541 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 11:13:04,541 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 11:13:04,542 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 11:13:04,542 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 11:13:04,542 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 11:13:04,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:13:04,543 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 11:13:04,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 11:13:04,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 11:13:04,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:13:04,543 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 11:13:04,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 11:13:04,544 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 11:13:04,544 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 11:13:04,544 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 11:13:04,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:13:04,544 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:13:04,545 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 11:13:04,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:13:04,545 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 11:13:04,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 11:13:04,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:13:04,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:13:04,546 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 11:13:04,546 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 11:13:04,546 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 11:13:04,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 11:13:04,546 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 11:13:04,546 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:13:04,546 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 11:13:04,547 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_aa5629e8-b4cf-4dc0-bbc6-922de6d7f01f/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 301c54c8b861008a1cf318e5b7f3396bc86db7c8 [2019-12-07 11:13:04,651 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:13:04,658 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:13:04,660 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:13:04,661 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:13:04,661 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:13:04,662 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_aa5629e8-b4cf-4dc0-bbc6-922de6d7f01f/bin/utaipan/../../sv-benchmarks/c/recursive-simple/sum_non_eq-2.c [2019-12-07 11:13:04,699 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aa5629e8-b4cf-4dc0-bbc6-922de6d7f01f/bin/utaipan/data/9d2ae8e20/a7a22975ee284b678f0bd13c3f4c9b51/FLAGa0f50d574 [2019-12-07 11:13:05,083 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:13:05,083 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_aa5629e8-b4cf-4dc0-bbc6-922de6d7f01f/sv-benchmarks/c/recursive-simple/sum_non_eq-2.c [2019-12-07 11:13:05,087 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aa5629e8-b4cf-4dc0-bbc6-922de6d7f01f/bin/utaipan/data/9d2ae8e20/a7a22975ee284b678f0bd13c3f4c9b51/FLAGa0f50d574 [2019-12-07 11:13:05,474 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_aa5629e8-b4cf-4dc0-bbc6-922de6d7f01f/bin/utaipan/data/9d2ae8e20/a7a22975ee284b678f0bd13c3f4c9b51 [2019-12-07 11:13:05,477 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:13:05,479 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:13:05,480 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:13:05,480 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:13:05,483 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:13:05,484 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:13:05" (1/1) ... [2019-12-07 11:13:05,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55d9133a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:05, skipping insertion in model container [2019-12-07 11:13:05,487 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:13:05" (1/1) ... [2019-12-07 11:13:05,493 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:13:05,505 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:13:05,608 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:13:05,610 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:13:05,619 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:13:05,661 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:13:05,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:05 WrapperNode [2019-12-07 11:13:05,661 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:13:05,662 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:13:05,662 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:13:05,662 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:13:05,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:05" (1/1) ... [2019-12-07 11:13:05,672 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:05" (1/1) ... [2019-12-07 11:13:05,682 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:13:05,683 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:13:05,683 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:13:05,683 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:13:05,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:05" (1/1) ... [2019-12-07 11:13:05,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:05" (1/1) ... [2019-12-07 11:13:05,689 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:05" (1/1) ... [2019-12-07 11:13:05,689 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:05" (1/1) ... [2019-12-07 11:13:05,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:05" (1/1) ... [2019-12-07 11:13:05,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:05" (1/1) ... [2019-12-07 11:13:05,692 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:05" (1/1) ... [2019-12-07 11:13:05,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:13:05,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:13:05,694 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:13:05,694 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:13:05,694 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa5629e8-b4cf-4dc0-bbc6-922de6d7f01f/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 11:13:05,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:13:05,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:13:05,733 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2019-12-07 11:13:05,733 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2019-12-07 11:13:05,833 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:13:05,833 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-07 11:13:05,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:13:05 BoogieIcfgContainer [2019-12-07 11:13:05,834 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:13:05,835 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 11:13:05,835 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 11:13:05,837 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 11:13:05,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 11:13:05" (1/3) ... [2019-12-07 11:13:05,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6117f9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:13:05, skipping insertion in model container [2019-12-07 11:13:05,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:13:05" (2/3) ... [2019-12-07 11:13:05,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6117f9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:13:05, skipping insertion in model container [2019-12-07 11:13:05,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:13:05" (3/3) ... [2019-12-07 11:13:05,839 INFO L109 eAbstractionObserver]: Analyzing ICFG sum_non_eq-2.c [2019-12-07 11:13:05,845 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 11:13:05,849 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 11:13:05,857 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 11:13:05,871 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 11:13:05,871 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 11:13:05,871 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 11:13:05,871 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:13:05,871 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:13:05,871 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 11:13:05,871 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:13:05,871 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 11:13:05,881 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2019-12-07 11:13:05,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 11:13:05,885 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:13:05,885 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:13:05,886 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:13:05,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:13:05,889 INFO L82 PathProgramCache]: Analyzing trace with hash 389977641, now seen corresponding path program 1 times [2019-12-07 11:13:05,895 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 11:13:05,895 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003026799] [2019-12-07 11:13:05,896 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:13:05,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:13:06,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:13:06,145 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003026799] [2019-12-07 11:13:06,146 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:13:06,146 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-07 11:13:06,147 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286148341] [2019-12-07 11:13:06,153 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 11:13:06,153 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 11:13:06,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 11:13:06,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-07 11:13:06,168 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 6 states. [2019-12-07 11:13:06,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:13:06,256 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2019-12-07 11:13:06,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 11:13:06,258 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2019-12-07 11:13:06,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:13:06,267 INFO L225 Difference]: With dead ends: 24 [2019-12-07 11:13:06,267 INFO L226 Difference]: Without dead ends: 14 [2019-12-07 11:13:06,270 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-12-07 11:13:06,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-12-07 11:13:06,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2019-12-07 11:13:06,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-12-07 11:13:06,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2019-12-07 11:13:06,301 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 9 [2019-12-07 11:13:06,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:13:06,301 INFO L462 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2019-12-07 11:13:06,301 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 11:13:06,301 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2019-12-07 11:13:06,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-07 11:13:06,302 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:13:06,302 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:13:06,303 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:13:06,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:13:06,303 INFO L82 PathProgramCache]: Analyzing trace with hash -881029229, now seen corresponding path program 1 times [2019-12-07 11:13:06,303 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 11:13:06,303 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59986787] [2019-12-07 11:13:06,303 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:13:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:13:06,457 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-07 11:13:06,457 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59986787] [2019-12-07 11:13:06,458 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778264315] [2019-12-07 11:13:06,458 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aa5629e8-b4cf-4dc0-bbc6-922de6d7f01f/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 11:13:06,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:13:06,484 WARN L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 28 conjunts are in the unsatisfiable core [2019-12-07 11:13:06,488 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:13:06,598 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-07 11:13:06,598 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:13:06,756 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 11:13:15,894 WARN L192 SmtUtils]: Spent 4.11 s on a formula simplification. DAG size of input: 28 DAG size of output: 26 [2019-12-07 11:13:15,943 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-07 11:13:15,943 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1215298490] [2019-12-07 11:13:15,959 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2019-12-07 11:13:15,959 INFO L166 IcfgInterpreter]: Building call graph [2019-12-07 11:13:15,963 FATAL L? ?]: Ignoring exception! java.lang.IllegalArgumentException: Recursive programs are not supported. at de.uni_freiburg.informatik.ultimate.lib.sifa.CallGraph.topsortRelevant(CallGraph.java:132) at de.uni_freiburg.informatik.ultimate.lib.sifa.CallGraph.(CallGraph.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.(IcfgInterpreter.java:92) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaBuilder.construct(SifaBuilder.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:98) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:297) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:190) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:463) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-12-07 11:13:15,964 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2019-12-07 11:13:15,964 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 9] total 16 [2019-12-07 11:13:15,965 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538822559] [2019-12-07 11:13:15,966 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-12-07 11:13:15,966 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 11:13:15,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-12-07 11:13:15,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=198, Unknown=2, NotChecked=0, Total=240 [2019-12-07 11:13:15,967 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand 16 states. [2019-12-07 11:13:16,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:13:16,142 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2019-12-07 11:13:16,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-07 11:13:16,143 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 15 [2019-12-07 11:13:16,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:13:16,143 INFO L225 Difference]: With dead ends: 19 [2019-12-07 11:13:16,143 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 11:13:16,145 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 18 SyntacticMatches, 6 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=80, Invalid=338, Unknown=2, NotChecked=0, Total=420 [2019-12-07 11:13:16,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 11:13:16,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 11:13:16,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 11:13:16,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 11:13:16,145 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2019-12-07 11:13:16,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:13:16,146 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:13:16,146 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-12-07 11:13:16,146 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 11:13:16,146 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 11:13:16,346 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 11:13:16,348 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 11:13:16,366 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 11:13:16,366 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 11:13:16,366 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2019-12-07 11:13:16,366 INFO L246 CegarLoopResult]: For program point L17(line 17) no Hoare annotation was computed. [2019-12-07 11:13:16,367 INFO L246 CegarLoopResult]: For program point L16(lines 16 18) no Hoare annotation was computed. [2019-12-07 11:13:16,367 INFO L249 CegarLoopResult]: At program point L15(line 15) the Hoare annotation is: true [2019-12-07 11:13:16,367 INFO L246 CegarLoopResult]: For program point L15-1(line 15) no Hoare annotation was computed. [2019-12-07 11:13:16,367 INFO L246 CegarLoopResult]: For program point L12(lines 12 19) no Hoare annotation was computed. [2019-12-07 11:13:16,367 INFO L246 CegarLoopResult]: For program point sumEXIT(lines 4 10) no Hoare annotation was computed. [2019-12-07 11:13:16,368 INFO L242 CegarLoopResult]: At program point L8(line 8) the Hoare annotation is: (and (= sum_~m |sum_#in~m|) (= sum_~n |sum_#in~n|) (< (* 4294967296 (div sum_~n 4294967296)) sum_~n)) [2019-12-07 11:13:16,368 INFO L246 CegarLoopResult]: For program point L8-1(line 8) no Hoare annotation was computed. [2019-12-07 11:13:16,368 INFO L246 CegarLoopResult]: For program point L5(lines 5 9) no Hoare annotation was computed. [2019-12-07 11:13:16,368 INFO L246 CegarLoopResult]: For program point sumFINAL(lines 4 10) no Hoare annotation was computed. [2019-12-07 11:13:16,368 INFO L249 CegarLoopResult]: At program point sumENTRY(lines 4 10) the Hoare annotation is: true [2019-12-07 11:13:16,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 11:13:16 BoogieIcfgContainer [2019-12-07 11:13:16,372 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 11:13:16,373 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:13:16,373 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:13:16,373 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:13:16,373 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:13:05" (3/4) ... [2019-12-07 11:13:16,376 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 11:13:16,380 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure sum [2019-12-07 11:13:16,383 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-12-07 11:13:16,384 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-12-07 11:13:16,412 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_aa5629e8-b4cf-4dc0-bbc6-922de6d7f01f/bin/utaipan/witness.graphml [2019-12-07 11:13:16,413 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:13:16,414 INFO L168 Benchmark]: Toolchain (without parser) took 10935.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 944.7 MB in the beginning and 914.9 MB in the end (delta: 29.8 MB). Peak memory consumption was 136.3 MB. Max. memory is 11.5 GB. [2019-12-07 11:13:16,414 INFO L168 Benchmark]: CDTParser took 0.12 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. [2019-12-07 11:13:16,415 INFO L168 Benchmark]: CACSL2BoogieTranslator took 181.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -159.1 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 11:13:16,415 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.90 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 11:13:16,415 INFO L168 Benchmark]: Boogie Preprocessor took 10.64 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 11:13:16,416 INFO L168 Benchmark]: RCFGBuilder took 140.72 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: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-12-07 11:13:16,416 INFO L168 Benchmark]: TraceAbstraction took 10537.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 914.9 MB in the end (delta: 167.9 MB). Peak memory consumption was 167.9 MB. Max. memory is 11.5 GB. [2019-12-07 11:13:16,416 INFO L168 Benchmark]: Witness Printer took 39.85 ms. Allocated memory is still 1.1 GB. Free memory is still 914.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:13:16,418 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 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 181.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -159.1 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.90 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 10.64 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. * RCFGBuilder took 140.72 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: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10537.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 914.9 MB in the end (delta: 167.9 MB). Peak memory consumption was 167.9 MB. Max. memory is 11.5 GB. * Witness Printer took 39.85 ms. Allocated memory is still 1.1 GB. Free memory is still 914.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 17]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 locations, 1 error locations. Result: SAFE, OverallTime: 10.4s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 15 SDtfs, 14 SDslu, 46 SDs, 0 SdLazy, 122 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 20 SyntacticMatches, 6 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 9.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 5 PreInvPairs, 5 NumberOfFragments, 16 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 9.7s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 50 ConstructedInterpolants, 3 QuantifiedInterpolants, 9610 SizeOfPredicates, 9 NumberOfNonLiveVariables, 43 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 5/12 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...