./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6095513a-7a59-4075-9f8e-40d89144bc78/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6095513a-7a59-4075-9f8e-40d89144bc78/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6095513a-7a59-4075-9f8e-40d89144bc78/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6095513a-7a59-4075-9f8e-40d89144bc78/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i -s /tmp/vcloud-vcloud-master/worker/run_dir_6095513a-7a59-4075-9f8e-40d89144bc78/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6095513a-7a59-4075-9f8e-40d89144bc78/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 ba13ae03d66e26692285201b6dabc9984fe627f1 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:58:09,248 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:58:09,250 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:58:09,266 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:58:09,268 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:58:09,270 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:58:09,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:58:09,280 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:58:09,283 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:58:09,286 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:58:09,287 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:58:09,288 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:58:09,288 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:58:09,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:58:09,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:58:09,293 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:58:09,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:58:09,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:58:09,300 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:58:09,303 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:58:09,307 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:58:09,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:58:09,312 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:58:09,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:58:09,315 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:58:09,316 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:58:09,316 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:58:09,317 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:58:09,318 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:58:09,318 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:58:09,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:58:09,319 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:58:09,320 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:58:09,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:58:09,322 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:58:09,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:58:09,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:58:09,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:58:09,323 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:58:09,324 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:58:09,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:58:09,326 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6095513a-7a59-4075-9f8e-40d89144bc78/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:58:09,350 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:58:09,360 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:58:09,361 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:58:09,361 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:58:09,361 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:58:09,362 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:58:09,362 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:58:09,362 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:58:09,362 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:58:09,363 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:58:09,363 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:58:09,363 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:58:09,363 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:58:09,363 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:58:09,364 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:58:09,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:58:09,365 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:58:09,366 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:58:09,366 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:58:09,366 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:58:09,366 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:58:09,366 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:58:09,366 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:58:09,367 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:58:09,367 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:58:09,367 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:58:09,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:58:09,367 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:58:09,367 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:58:09,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:58:09,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:58:09,368 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:58:09,368 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:58:09,368 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:58:09,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:58:09,369 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:58:09,369 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:58:09,369 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_6095513a-7a59-4075-9f8e-40d89144bc78/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 -> ba13ae03d66e26692285201b6dabc9984fe627f1 [2019-11-26 02:58:09,524 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:58:09,535 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:58:09,538 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:58:09,539 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:58:09,539 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:58:09,540 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6095513a-7a59-4075-9f8e-40d89144bc78/bin/utaipan/../../sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i [2019-11-26 02:58:09,600 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6095513a-7a59-4075-9f8e-40d89144bc78/bin/utaipan/data/4e1093bec/286b9a681ee14926ace00ff4bed8c1a5/FLAG16b97ee55 [2019-11-26 02:58:09,980 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:58:09,981 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6095513a-7a59-4075-9f8e-40d89144bc78/sv-benchmarks/c/array-examples/data_structures_set_multi_proc_trivial_ground.i [2019-11-26 02:58:09,987 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6095513a-7a59-4075-9f8e-40d89144bc78/bin/utaipan/data/4e1093bec/286b9a681ee14926ace00ff4bed8c1a5/FLAG16b97ee55 [2019-11-26 02:58:10,320 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6095513a-7a59-4075-9f8e-40d89144bc78/bin/utaipan/data/4e1093bec/286b9a681ee14926ace00ff4bed8c1a5 [2019-11-26 02:58:10,322 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:58:10,323 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:58:10,324 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:58:10,324 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:58:10,327 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:58:10,328 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:58:10" (1/1) ... [2019-11-26 02:58:10,330 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@744ba2ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:10, skipping insertion in model container [2019-11-26 02:58:10,330 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:58:10" (1/1) ... [2019-11-26 02:58:10,337 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:58:10,355 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:58:10,494 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:58:10,564 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:58:10,604 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:58:10,619 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:58:10,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:10 WrapperNode [2019-11-26 02:58:10,622 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:58:10,623 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:58:10,623 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:58:10,624 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:58:10,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:10" (1/1) ... [2019-11-26 02:58:10,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:10" (1/1) ... [2019-11-26 02:58:10,665 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:58:10,666 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:58:10,668 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:58:10,668 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:58:10,677 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:10" (1/1) ... [2019-11-26 02:58:10,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:10" (1/1) ... [2019-11-26 02:58:10,691 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:10" (1/1) ... [2019-11-26 02:58:10,691 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:10" (1/1) ... [2019-11-26 02:58:10,699 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:10" (1/1) ... [2019-11-26 02:58:10,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:10" (1/1) ... [2019-11-26 02:58:10,707 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:10" (1/1) ... [2019-11-26 02:58:10,710 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:58:10,710 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:58:10,711 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:58:10,711 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:58:10,712 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6095513a-7a59-4075-9f8e-40d89144bc78/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:58:10,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-26 02:58:10,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:58:10,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:58:10,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-26 02:58:10,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:58:10,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-26 02:58:11,311 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:58:11,311 INFO L284 CfgBuilder]: Removed 24 assume(true) statements. [2019-11-26 02:58:11,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:58:11 BoogieIcfgContainer [2019-11-26 02:58:11,313 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:58:11,313 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:58:11,314 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:58:11,316 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:58:11,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:58:10" (1/3) ... [2019-11-26 02:58:11,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47fc8a24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:58:11, skipping insertion in model container [2019-11-26 02:58:11,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:58:10" (2/3) ... [2019-11-26 02:58:11,318 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47fc8a24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:58:11, skipping insertion in model container [2019-11-26 02:58:11,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:58:11" (3/3) ... [2019-11-26 02:58:11,322 INFO L109 eAbstractionObserver]: Analyzing ICFG data_structures_set_multi_proc_trivial_ground.i [2019-11-26 02:58:11,331 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:58:11,337 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-11-26 02:58:11,348 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-11-26 02:58:11,373 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:58:11,373 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:58:11,374 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:58:11,374 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:58:11,374 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:58:11,374 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:58:11,374 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:58:11,374 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:58:11,392 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2019-11-26 02:58:11,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-26 02:58:11,402 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:58:11,403 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-26 02:58:11,403 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:58:11,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:58:11,409 INFO L82 PathProgramCache]: Analyzing trace with hash 2054062916, now seen corresponding path program 1 times [2019-11-26 02:58:11,419 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:58:11,420 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948221392] [2019-11-26 02:58:11,420 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:58:11,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:58:11,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:58:11,558 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948221392] [2019-11-26 02:58:11,559 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:58:11,559 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-26 02:58:11,560 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039997450] [2019-11-26 02:58:11,564 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-26 02:58:11,564 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:58:11,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-26 02:58:11,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:58:11,580 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 3 states. [2019-11-26 02:58:11,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:58:11,665 INFO L93 Difference]: Finished difference Result 75 states and 113 transitions. [2019-11-26 02:58:11,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:58:11,667 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-11-26 02:58:11,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:58:11,675 INFO L225 Difference]: With dead ends: 75 [2019-11-26 02:58:11,675 INFO L226 Difference]: Without dead ends: 49 [2019-11-26 02:58:11,679 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-26 02:58:11,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2019-11-26 02:58:11,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 26. [2019-11-26 02:58:11,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-26 02:58:11,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 36 transitions. [2019-11-26 02:58:11,713 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 36 transitions. Word has length 6 [2019-11-26 02:58:11,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:58:11,714 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 36 transitions. [2019-11-26 02:58:11,714 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-26 02:58:11,714 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2019-11-26 02:58:11,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:58:11,714 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:58:11,714 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:58:11,715 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:58:11,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:58:11,715 INFO L82 PathProgramCache]: Analyzing trace with hash -1036015311, now seen corresponding path program 1 times [2019-11-26 02:58:11,715 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:58:11,715 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612825954] [2019-11-26 02:58:11,716 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:58:11,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:58:11,764 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:58:11,765 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612825954] [2019-11-26 02:58:11,765 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899781007] [2019-11-26 02:58:11,765 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6095513a-7a59-4075-9f8e-40d89144bc78/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 [2019-11-26 02:58:11,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:58:11,825 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-26 02:58:11,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:58:11,845 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:58:11,845 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:58:11,866 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:58:11,867 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [945379074] [2019-11-26 02:58:11,886 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2019-11-26 02:58:11,886 INFO L166 IcfgInterpreter]: Building call graph [2019-11-26 02:58:11,892 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-26 02:58:11,898 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-26 02:58:11,899 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-26 02:58:12,312 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-26 02:58:12,430 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-11-26 02:58:12,430 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3, 3, 3] total 7 [2019-11-26 02:58:12,431 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738700113] [2019-11-26 02:58:12,432 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-26 02:58:12,432 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:58:12,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-26 02:58:12,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-11-26 02:58:12,433 INFO L87 Difference]: Start difference. First operand 26 states and 36 transitions. Second operand 4 states. [2019-11-26 02:58:12,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:58:12,491 INFO L93 Difference]: Finished difference Result 49 states and 70 transitions. [2019-11-26 02:58:12,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-26 02:58:12,493 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-26 02:58:12,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:58:12,494 INFO L225 Difference]: With dead ends: 49 [2019-11-26 02:58:12,494 INFO L226 Difference]: Without dead ends: 25 [2019-11-26 02:58:12,495 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2019-11-26 02:58:12,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-11-26 02:58:12,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 22. [2019-11-26 02:58:12,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-26 02:58:12,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 30 transitions. [2019-11-26 02:58:12,504 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 30 transitions. Word has length 7 [2019-11-26 02:58:12,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:58:12,504 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 30 transitions. [2019-11-26 02:58:12,505 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-26 02:58:12,505 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2019-11-26 02:58:12,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-26 02:58:12,505 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:58:12,505 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:58:12,706 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:58:12,706 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:58:12,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:58:12,707 INFO L82 PathProgramCache]: Analyzing trace with hash 1790190750, now seen corresponding path program 1 times [2019-11-26 02:58:12,707 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:58:12,707 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474009392] [2019-11-26 02:58:12,707 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:58:12,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:58:12,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:58:12,754 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474009392] [2019-11-26 02:58:12,754 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [429308589] [2019-11-26 02:58:12,754 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6095513a-7a59-4075-9f8e-40d89144bc78/bin/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:58:12,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:58:12,812 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-26 02:58:12,814 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:58:12,826 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 02:58:12,827 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:58:12,840 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-26 02:58:12,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-11-26 02:58:12,840 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [3] total 6 [2019-11-26 02:58:12,841 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21013800] [2019-11-26 02:58:12,841 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-26 02:58:12,841 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:58:12,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-26 02:58:12,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-26 02:58:12,842 INFO L87 Difference]: Start difference. First operand 22 states and 30 transitions. Second operand 4 states. [2019-11-26 02:58:12,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:58:12,882 INFO L93 Difference]: Finished difference Result 51 states and 72 transitions. [2019-11-26 02:58:12,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-26 02:58:12,884 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-11-26 02:58:12,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:58:12,885 INFO L225 Difference]: With dead ends: 51 [2019-11-26 02:58:12,885 INFO L226 Difference]: Without dead ends: 34 [2019-11-26 02:58:12,885 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-26 02:58:12,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2019-11-26 02:58:12,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2019-11-26 02:58:12,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-11-26 02:58:12,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 45 transitions. [2019-11-26 02:58:12,897 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 45 transitions. Word has length 12 [2019-11-26 02:58:12,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:58:12,898 INFO L462 AbstractCegarLoop]: Abstraction has 32 states and 45 transitions. [2019-11-26 02:58:12,898 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-26 02:58:12,898 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2019-11-26 02:58:12,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-26 02:58:12,899 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:58:12,899 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:58:13,106 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:58:13,106 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:58:13,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:58:13,107 INFO L82 PathProgramCache]: Analyzing trace with hash -321185570, now seen corresponding path program 1 times [2019-11-26 02:58:13,107 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:58:13,107 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298910773] [2019-11-26 02:58:13,107 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:58:13,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:58:13,153 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-26 02:58:13,154 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298910773] [2019-11-26 02:58:13,154 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1751952773] [2019-11-26 02:58:13,154 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6095513a-7a59-4075-9f8e-40d89144bc78/bin/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:58:13,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:58:13,208 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-26 02:58:13,209 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:58:13,212 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-26 02:58:13,213 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:58:13,234 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-26 02:58:13,234 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1069020694] [2019-11-26 02:58:13,236 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2019-11-26 02:58:13,236 INFO L166 IcfgInterpreter]: Building call graph [2019-11-26 02:58:13,237 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-26 02:58:13,237 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-26 02:58:13,237 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-26 02:58:13,715 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-26 02:58:14,189 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 48 [2019-11-26 02:58:14,363 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 50 [2019-11-26 02:58:14,530 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 48 [2019-11-26 02:58:14,531 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-11-26 02:58:14,531 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [3, 3, 3] total 12 [2019-11-26 02:58:14,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984704927] [2019-11-26 02:58:14,532 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-26 02:58:14,532 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:58:14,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-26 02:58:14,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=83, Unknown=0, NotChecked=0, Total=156 [2019-11-26 02:58:14,533 INFO L87 Difference]: Start difference. First operand 32 states and 45 transitions. Second operand 9 states. [2019-11-26 02:58:14,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:58:14,618 INFO L93 Difference]: Finished difference Result 55 states and 78 transitions. [2019-11-26 02:58:14,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-26 02:58:14,618 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2019-11-26 02:58:14,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:58:14,619 INFO L225 Difference]: With dead ends: 55 [2019-11-26 02:58:14,619 INFO L226 Difference]: Without dead ends: 31 [2019-11-26 02:58:14,620 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=73, Invalid=83, Unknown=0, NotChecked=0, Total=156 [2019-11-26 02:58:14,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-11-26 02:58:14,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 28. [2019-11-26 02:58:14,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-11-26 02:58:14,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2019-11-26 02:58:14,626 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 36 transitions. Word has length 14 [2019-11-26 02:58:14,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:58:14,627 INFO L462 AbstractCegarLoop]: Abstraction has 28 states and 36 transitions. [2019-11-26 02:58:14,627 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-26 02:58:14,627 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2019-11-26 02:58:14,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-26 02:58:14,628 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:58:14,628 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:58:14,840 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:58:14,841 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:58:14,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:58:14,841 INFO L82 PathProgramCache]: Analyzing trace with hash -1525983010, now seen corresponding path program 1 times [2019-11-26 02:58:14,841 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-26 02:58:14,841 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92177477] [2019-11-26 02:58:14,842 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-26 02:58:14,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:58:14,875 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-26 02:58:14,875 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92177477] [2019-11-26 02:58:14,875 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [552735147] [2019-11-26 02:58:14,875 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6095513a-7a59-4075-9f8e-40d89144bc78/bin/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:58:14,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:58:14,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-26 02:58:14,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:58:14,947 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-26 02:58:14,948 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:58:14,963 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-26 02:58:14,963 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [389116895] [2019-11-26 02:58:14,965 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2019-11-26 02:58:14,965 INFO L166 IcfgInterpreter]: Building call graph [2019-11-26 02:58:14,965 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-26 02:58:14,965 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-26 02:58:14,966 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-26 02:58:15,642 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-26 02:58:16,190 WARN L192 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 55 [2019-11-26 02:58:16,538 WARN L192 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 63 [2019-11-26 02:58:17,060 WARN L192 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 66 [2019-11-26 02:58:17,235 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 43 [2019-11-26 02:58:17,237 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-11-26 02:58:17,237 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [3, 3, 3] total 12 [2019-11-26 02:58:17,237 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420448908] [2019-11-26 02:58:17,238 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-26 02:58:17,238 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-26 02:58:17,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-26 02:58:17,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=84, Unknown=0, NotChecked=0, Total=156 [2019-11-26 02:58:17,238 INFO L87 Difference]: Start difference. First operand 28 states and 36 transitions. Second operand 9 states. [2019-11-26 02:58:17,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:58:17,315 INFO L93 Difference]: Finished difference Result 33 states and 44 transitions. [2019-11-26 02:58:17,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-26 02:58:17,317 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2019-11-26 02:58:17,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:58:17,317 INFO L225 Difference]: With dead ends: 33 [2019-11-26 02:58:17,317 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:58:17,318 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=72, Invalid=84, Unknown=0, NotChecked=0, Total=156 [2019-11-26 02:58:17,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:58:17,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:58:17,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:58:17,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:58:17,319 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2019-11-26 02:58:17,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:58:17,319 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:58:17,319 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-26 02:58:17,319 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:58:17,320 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:58:17,523 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-26 02:58:17,527 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:58:17,822 WARN L192 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 52 [2019-11-26 02:58:18,204 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 45 [2019-11-26 02:58:18,206 INFO L444 ceAbstractionStarter]: For program point L2-1(line 2) no Hoare annotation was computed. [2019-11-26 02:58:18,207 INFO L444 ceAbstractionStarter]: For program point L2-3(line 2) no Hoare annotation was computed. [2019-11-26 02:58:18,207 INFO L444 ceAbstractionStarter]: For program point L2-4(line 2) no Hoare annotation was computed. [2019-11-26 02:58:18,207 INFO L444 ceAbstractionStarter]: For program point L2-5(line 2) no Hoare annotation was computed. [2019-11-26 02:58:18,207 INFO L444 ceAbstractionStarter]: For program point L2-7(line 2) no Hoare annotation was computed. [2019-11-26 02:58:18,207 INFO L444 ceAbstractionStarter]: For program point L2-8(line 2) no Hoare annotation was computed. [2019-11-26 02:58:18,207 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 2) no Hoare annotation was computed. [2019-11-26 02:58:18,207 INFO L444 ceAbstractionStarter]: For program point L2-9(line 2) no Hoare annotation was computed. [2019-11-26 02:58:18,207 INFO L444 ceAbstractionStarter]: For program point L2-11(line 2) no Hoare annotation was computed. [2019-11-26 02:58:18,208 INFO L440 ceAbstractionStarter]: At program point L44-3(lines 44 48) the Hoare annotation is: (and (= |ULTIMATE.start_elem_exists_#in~size| 0) (<= ULTIMATE.start_elem_exists_~set.offset 0) (<= 0 |ULTIMATE.start_elem_exists_#in~set.base|) (< ULTIMATE.start_main_~v~0 100000) (<= 0 |ULTIMATE.start_main_~#set~0.base|) (= 0 |#NULL.base|) (<= 0 ULTIMATE.start_main_~v~0) (<= 0 ULTIMATE.start_elem_exists_~set.base) (<= 0 |ULTIMATE.start_main_~#values~0.base|) (<= 0 |ULTIMATE.start_elem_exists_#in~set.offset|) (= |ULTIMATE.start_main_~#values~0.offset| 0) (<= |ULTIMATE.start_elem_exists_#in~set.offset| 0) (<= 0 ULTIMATE.start_elem_exists_~size) (= 0 |ULTIMATE.start_elem_exists_#res|) (<= 0 |#StackHeapBarrier|) (<= 0 ULTIMATE.start_elem_exists_~i~0) (= ULTIMATE.start_main_~x~0 0) (<= ULTIMATE.start_main_~n~0 0) (<= 0 ULTIMATE.start_main_~n~0) (= |#NULL.offset| 0) (<= ULTIMATE.start_elem_exists_~size 0) (<= ULTIMATE.start_elem_exists_~i~0 0) (<= 0 ULTIMATE.start_elem_exists_~set.offset) (= |ULTIMATE.start_main_~#set~0.offset| 0)) [2019-11-26 02:58:18,208 INFO L440 ceAbstractionStarter]: At program point L11-3(lines 11 13) the Hoare annotation is: (and (<= ULTIMATE.start_elem_exists_~set.offset 0) (< ULTIMATE.start_main_~v~0 100000) (<= 0 ULTIMATE.start_main_~v~0) (<= ULTIMATE.start_main_~x~0 0) (<= 0 |#NULL.base|) (<= 0 |ULTIMATE.start_main_~#values~0.base|) (<= 0 |#NULL.offset|) (= |ULTIMATE.start_elem_exists_#in~set.base| |ULTIMATE.start_main_~#set~0.base|) (<= |ULTIMATE.start_elem_exists_#in~set.offset| 0) (<= 0 ULTIMATE.start_elem_exists_~size) (<= 0 |#StackHeapBarrier|) (<= 0 ULTIMATE.start_elem_exists_~i~0) (<= 0 |ULTIMATE.start_main_~#set~0.offset|) (<= 0 ULTIMATE.start_main_~n~0) (<= 0 |ULTIMATE.start_elem_exists_#in~size|) (<= ULTIMATE.start_elem_exists_~size 0) (<= 0 ULTIMATE.start_main_~x~0) (= |ULTIMATE.start_main_#t~mem11| |ULTIMATE.start_elem_exists_#in~value|) (<= |#NULL.base| 0) (<= |ULTIMATE.start_main_~#values~0.offset| 0) (<= 0 ULTIMATE.start_elem_exists_~set.base) (<= 0 |ULTIMATE.start_elem_exists_#in~set.offset|) (<= |#NULL.offset| 0) (= |ULTIMATE.start_main_#t~mem11| (select (select |#memory_int| |ULTIMATE.start_main_~#values~0.base|) (+ (* ULTIMATE.start_main_~v~0 4) |ULTIMATE.start_main_~#values~0.offset|))) (= |ULTIMATE.start_elem_exists_#in~set.base| ULTIMATE.start_elem_exists_~set.base) (<= |ULTIMATE.start_main_~#set~0.offset| 0) (<= |ULTIMATE.start_elem_exists_#in~size| 0) (<= ULTIMATE.start_main_~n~0 0) (<= ULTIMATE.start_elem_exists_~i~0 0) (<= 0 |ULTIMATE.start_main_~#values~0.offset|) (<= 0 ULTIMATE.start_elem_exists_~set.offset) (= ULTIMATE.start_elem_exists_~value |ULTIMATE.start_elem_exists_#in~value|)) [2019-11-26 02:58:18,208 INFO L440 ceAbstractionStarter]: At program point L36-3(lines 36 39) the Hoare annotation is: (and (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~#set~0.base|) (<= |#NULL.base| 0) (= ULTIMATE.start_main_~x~0 0) (<= 0 ULTIMATE.start_main_~v~0) (= ULTIMATE.start_main_~n~0 0) (<= 0 |#NULL.base|) (<= 0 |ULTIMATE.start_main_~#values~0.base|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~#values~0.offset| 0) (= |ULTIMATE.start_main_~#set~0.offset| 0)) [2019-11-26 02:58:18,208 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-26 02:58:18,209 INFO L440 ceAbstractionStarter]: At program point L28-3(lines 28 32) the Hoare annotation is: (and (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~#set~0.base|) (<= |#NULL.base| 0) (= ULTIMATE.start_main_~x~0 0) (= ULTIMATE.start_main_~n~0 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~#set~0.offset| 0)) [2019-11-26 02:58:18,209 INFO L444 ceAbstractionStarter]: For program point L12(line 12) no Hoare annotation was computed. [2019-11-26 02:58:18,209 INFO L440 ceAbstractionStarter]: At program point L45-3(lines 45 47) the Hoare annotation is: false [2019-11-26 02:58:18,209 INFO L440 ceAbstractionStarter]: At program point L29-3(lines 29 31) the Hoare annotation is: false [2019-11-26 02:58:18,209 INFO L440 ceAbstractionStarter]: At program point L22-3(lines 22 25) the Hoare annotation is: (and (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~#set~0.base|) (<= |#NULL.base| 0) (= ULTIMATE.start_main_~n~0 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 ULTIMATE.start_main_~x~0) (= |ULTIMATE.start_main_~#set~0.offset| 0)) [2019-11-26 02:58:18,209 INFO L440 ceAbstractionStarter]: At program point L14(lines 9 15) the Hoare annotation is: (and (<= ULTIMATE.start_elem_exists_~set.offset 0) (< ULTIMATE.start_main_~v~0 100000) (<= |ULTIMATE.start_elem_exists_#res| 0) (<= 0 ULTIMATE.start_main_~v~0) (<= ULTIMATE.start_main_~x~0 0) (<= 0 |#NULL.base|) (<= 0 |ULTIMATE.start_main_~#values~0.base|) (<= 0 |#NULL.offset|) (= |ULTIMATE.start_elem_exists_#in~set.base| |ULTIMATE.start_main_~#set~0.base|) (<= |ULTIMATE.start_elem_exists_#in~set.offset| 0) (<= 0 ULTIMATE.start_elem_exists_~size) (<= 0 |#StackHeapBarrier|) (<= 0 ULTIMATE.start_elem_exists_~i~0) (<= 0 |ULTIMATE.start_elem_exists_#res|) (<= 0 |ULTIMATE.start_main_~#set~0.offset|) (<= 0 ULTIMATE.start_main_~n~0) (<= 0 |ULTIMATE.start_elem_exists_#in~size|) (<= ULTIMATE.start_elem_exists_~size 0) (<= 0 ULTIMATE.start_main_~x~0) (= |ULTIMATE.start_main_#t~mem11| |ULTIMATE.start_elem_exists_#in~value|) (<= |#NULL.base| 0) (<= |ULTIMATE.start_main_~#values~0.offset| 0) (<= 0 ULTIMATE.start_elem_exists_~set.base) (<= 0 |ULTIMATE.start_elem_exists_#in~set.offset|) (<= |#NULL.offset| 0) (= |ULTIMATE.start_main_#t~mem11| (select (select |#memory_int| |ULTIMATE.start_main_~#values~0.base|) (+ (* ULTIMATE.start_main_~v~0 4) |ULTIMATE.start_main_~#values~0.offset|))) (= |ULTIMATE.start_elem_exists_#in~set.base| ULTIMATE.start_elem_exists_~set.base) (<= |ULTIMATE.start_main_~#set~0.offset| 0) (<= |ULTIMATE.start_elem_exists_#in~size| 0) (<= ULTIMATE.start_main_~n~0 0) (<= ULTIMATE.start_elem_exists_~i~0 0) (<= 0 |ULTIMATE.start_main_~#values~0.offset|) (<= 0 ULTIMATE.start_elem_exists_~set.offset) (= ULTIMATE.start_elem_exists_~value |ULTIMATE.start_elem_exists_#in~value|)) [2019-11-26 02:58:18,210 INFO L440 ceAbstractionStarter]: At program point L40-3(lines 40 49) the Hoare annotation is: (let ((.cse3 (<= 0 |#StackHeapBarrier|)) (.cse0 (<= 0 |ULTIMATE.start_main_~#set~0.base|)) (.cse1 (<= 0 |ULTIMATE.start_main_~#values~0.base|)) (.cse4 (= |#NULL.offset| 0)) (.cse2 (= |ULTIMATE.start_main_~#values~0.offset| 0)) (.cse5 (= |ULTIMATE.start_main_~#set~0.offset| 0))) (or (and (= |ULTIMATE.start_elem_exists_#in~size| 0) (<= ULTIMATE.start_elem_exists_~set.offset 0) (<= 0 |ULTIMATE.start_elem_exists_#in~set.base|) .cse0 (= 0 |#NULL.base|) (<= 0 ULTIMATE.start_main_~v~0) (<= 0 ULTIMATE.start_elem_exists_~set.base) .cse1 (<= 0 |ULTIMATE.start_elem_exists_#in~set.offset|) .cse2 (<= |ULTIMATE.start_elem_exists_#in~set.offset| 0) (<= 0 ULTIMATE.start_elem_exists_~size) (= 0 |ULTIMATE.start_elem_exists_#res|) .cse3 (<= 0 ULTIMATE.start_elem_exists_~i~0) (= ULTIMATE.start_main_~x~0 0) (<= ULTIMATE.start_main_~n~0 0) (<= 0 ULTIMATE.start_main_~n~0) .cse4 (<= ULTIMATE.start_elem_exists_~size 0) (<= ULTIMATE.start_elem_exists_~i~0 0) (<= 0 ULTIMATE.start_elem_exists_~set.offset) .cse5) (and .cse3 .cse0 (<= |#NULL.base| 0) (<= ULTIMATE.start_main_~x~0 0) (<= 0 |#NULL.base|) (= ULTIMATE.start_main_~n~0 0) (= ULTIMATE.start_main_~v~0 0) .cse1 .cse4 .cse2 (<= 0 ULTIMATE.start_main_~x~0) .cse5))) [2019-11-26 02:58:18,210 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 2) no Hoare annotation was computed. [2019-11-26 02:58:18,210 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:58:18,210 INFO L440 ceAbstractionStarter]: At program point L50-3(lines 50 54) the Hoare annotation is: (and (<= 0 |#StackHeapBarrier|) (<= 0 |ULTIMATE.start_main_~#set~0.base|) (<= |#NULL.base| 0) (= ULTIMATE.start_main_~x~0 0) (= ULTIMATE.start_main_~n~0 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (= |ULTIMATE.start_main_~#set~0.offset| 0)) [2019-11-26 02:58:18,210 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 2) no Hoare annotation was computed. [2019-11-26 02:58:18,211 INFO L440 ceAbstractionStarter]: At program point L51-3(lines 51 53) the Hoare annotation is: false [2019-11-26 02:58:18,211 INFO L444 ceAbstractionStarter]: For program point L2(line 2) no Hoare annotation was computed. [2019-11-26 02:58:18,218 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-26 02:58:18,219 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,220 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,220 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,225 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-26 02:58:18,225 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,226 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,226 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,229 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,229 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-26 02:58:18,230 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,230 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-26 02:58:18,230 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,231 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,231 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,232 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,233 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-26 02:58:18,233 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,233 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-26 02:58:18,234 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,234 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,234 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,235 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-26 02:58:18,236 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,236 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,236 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,237 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-26 02:58:18,237 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,237 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,238 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,240 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,240 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,241 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-26 02:58:18,241 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,241 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,242 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:58:18,243 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,244 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,244 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-26 02:58:18,244 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,245 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,245 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:58:18,246 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-26 02:58:18,246 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,247 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,247 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,247 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-26 02:58:18,248 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,248 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,248 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,249 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,250 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,250 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-26 02:58:18,251 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,251 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,251 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:58:18,253 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,253 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,254 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-26 02:58:18,254 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,254 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,255 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:58:18,256 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-26 02:58:18,256 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,256 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,257 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,257 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-26 02:58:18,257 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,258 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,258 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,259 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,259 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-26 02:58:18,260 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,260 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,261 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-26 02:58:18,261 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:58:18 BoogieIcfgContainer [2019-11-26 02:58:18,264 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:58:18,265 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:58:18,265 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:58:18,265 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:58:18,265 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:58:11" (3/4) ... [2019-11-26 02:58:18,269 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:58:18,281 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2019-11-26 02:58:18,281 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2019-11-26 02:58:18,282 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:58:18,308 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((\old(size) == 0 && set <= 0) && 0 <= set) && 0 <= set) && 0 == #NULL) && 0 <= v) && 0 <= set) && 0 <= values) && 0 <= set) && values == 0) && set <= 0) && 0 <= size) && 0 == \result) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= i) && x == 0) && n <= 0) && 0 <= n) && #NULL == 0) && size <= 0) && i <= 0) && 0 <= set) && set == 0) || (((((((((((0 <= unknown-#StackHeapBarrier-unknown && 0 <= set) && #NULL <= 0) && x <= 0) && 0 <= #NULL) && n == 0) && v == 0) && 0 <= values) && #NULL == 0) && values == 0) && 0 <= x) && set == 0) [2019-11-26 02:58:18,308 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((set <= 0 && v < 100000) && 0 <= v) && x <= 0) && 0 <= #NULL) && 0 <= values) && 0 <= #NULL) && set == set) && set <= 0) && 0 <= size) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= i) && 0 <= set) && 0 <= n) && 0 <= \old(size)) && size <= 0) && 0 <= x) && aux-values[ v ]-aux == \old(value)) && #NULL <= 0) && values <= 0) && 0 <= set) && 0 <= set) && #NULL <= 0) && aux-values[ v ]-aux == unknown-#memory_int-unknown[values][v * 4 + values]) && set == set) && set <= 0) && \old(size) <= 0) && n <= 0) && i <= 0) && 0 <= values) && 0 <= set) && value == \old(value) [2019-11-26 02:58:18,309 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((((set <= 0 && v < 100000) && \result <= 0) && 0 <= v) && x <= 0) && 0 <= #NULL) && 0 <= values) && 0 <= #NULL) && set == set) && set <= 0) && 0 <= size) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= i) && 0 <= \result) && 0 <= set) && 0 <= n) && 0 <= \old(size)) && size <= 0) && 0 <= x) && aux-values[ v ]-aux == \old(value)) && #NULL <= 0) && values <= 0) && 0 <= set) && 0 <= set) && #NULL <= 0) && aux-values[ v ]-aux == unknown-#memory_int-unknown[values][v * 4 + values]) && set == set) && set <= 0) && \old(size) <= 0) && n <= 0) && i <= 0) && 0 <= values) && 0 <= set) && value == \old(value) [2019-11-26 02:58:18,310 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((\old(size) == 0 && set <= 0) && 0 <= set) && v < 100000) && 0 <= set) && 0 == #NULL) && 0 <= v) && 0 <= set) && 0 <= values) && 0 <= set) && values == 0) && set <= 0) && 0 <= size) && 0 == \result) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= i) && x == 0) && n <= 0) && 0 <= n) && #NULL == 0) && size <= 0) && i <= 0) && 0 <= set) && set == 0 [2019-11-26 02:58:18,334 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6095513a-7a59-4075-9f8e-40d89144bc78/bin/utaipan/witness.graphml [2019-11-26 02:58:18,334 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:58:18,335 INFO L168 Benchmark]: Toolchain (without parser) took 8012.40 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 329.3 MB). Free memory was 944.7 MB in the beginning and 985.1 MB in the end (delta: -40.4 MB). Peak memory consumption was 288.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:58:18,335 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:58:18,336 INFO L168 Benchmark]: CACSL2BoogieTranslator took 299.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -191.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-26 02:58:18,336 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.39 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:58:18,336 INFO L168 Benchmark]: Boogie Preprocessor took 44.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:58:18,337 INFO L168 Benchmark]: RCFGBuilder took 602.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 49.1 MB). Peak memory consumption was 49.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:58:18,337 INFO L168 Benchmark]: TraceAbstraction took 6950.76 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 183.0 MB). Free memory was 1.1 GB in the beginning and 997.6 MB in the end (delta: 89.0 MB). Peak memory consumption was 271.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:58:18,338 INFO L168 Benchmark]: Witness Printer took 69.46 ms. Allocated memory is still 1.4 GB. Free memory was 997.6 MB in the beginning and 985.1 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:58:18,339 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 299.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -191.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.39 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 602.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 49.1 MB). Peak memory consumption was 49.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6950.76 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 183.0 MB). Free memory was 1.1 GB in the beginning and 997.6 MB in the end (delta: 89.0 MB). Peak memory consumption was 271.9 MB. Max. memory is 11.5 GB. * Witness Printer took 69.46 ms. Allocated memory is still 1.4 GB. Free memory was 997.6 MB in the beginning and 985.1 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #NULL * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 2]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 2]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 2]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 50]: Loop Invariant [2019-11-26 02:58:18,353 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-26 02:58:18,354 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,354 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,354 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,355 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-26 02:58:18,355 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,355 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,355 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL Derived loop invariant: ((((((0 <= unknown-#StackHeapBarrier-unknown && 0 <= set) && #NULL <= 0) && x == 0) && n == 0) && 0 <= #NULL) && #NULL == 0) && set == 0 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 45]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 40]: Loop Invariant [2019-11-26 02:58:18,356 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,357 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-26 02:58:18,357 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,357 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-26 02:58:18,357 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,358 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,358 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,359 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,359 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-26 02:58:18,359 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,360 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-26 02:58:18,360 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,360 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,360 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL Derived loop invariant: ((((((((((((((((((((((\old(size) == 0 && set <= 0) && 0 <= set) && 0 <= set) && 0 == #NULL) && 0 <= v) && 0 <= set) && 0 <= values) && 0 <= set) && values == 0) && set <= 0) && 0 <= size) && 0 == \result) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= i) && x == 0) && n <= 0) && 0 <= n) && #NULL == 0) && size <= 0) && i <= 0) && 0 <= set) && set == 0) || (((((((((((0 <= unknown-#StackHeapBarrier-unknown && 0 <= set) && #NULL <= 0) && x <= 0) && 0 <= #NULL) && n == 0) && v == 0) && 0 <= values) && #NULL == 0) && values == 0) && 0 <= x) && set == 0) - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 36]: Loop Invariant [2019-11-26 02:58:18,361 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-26 02:58:18,362 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,362 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,362 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,363 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-26 02:58:18,363 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,363 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,363 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL Derived loop invariant: (((((((((0 <= unknown-#StackHeapBarrier-unknown && 0 <= set) && #NULL <= 0) && x == 0) && 0 <= v) && n == 0) && 0 <= #NULL) && 0 <= values) && #NULL == 0) && values == 0) && set == 0 - InvariantResult [Line: 11]: Loop Invariant [2019-11-26 02:58:18,364 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,365 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,365 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-26 02:58:18,365 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,366 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,366 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:58:18,367 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,367 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,368 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-26 02:58:18,368 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,368 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,368 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((((((((((((((((((((((((((((set <= 0 && v < 100000) && 0 <= v) && x <= 0) && 0 <= #NULL) && 0 <= values) && 0 <= #NULL) && set == set) && set <= 0) && 0 <= size) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= i) && 0 <= set) && 0 <= n) && 0 <= \old(size)) && size <= 0) && 0 <= x) && aux-values[ v ]-aux == \old(value)) && #NULL <= 0) && values <= 0) && 0 <= set) && 0 <= set) && #NULL <= 0) && aux-values[ v ]-aux == unknown-#memory_int-unknown[values][v * 4 + values]) && set == set) && set <= 0) && \old(size) <= 0) && n <= 0) && i <= 0) && 0 <= values) && 0 <= set) && value == \old(value) - InvariantResult [Line: 22]: Loop Invariant [2019-11-26 02:58:18,369 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-26 02:58:18,370 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,370 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,370 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,371 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-26 02:58:18,371 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,371 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,371 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL Derived loop invariant: ((((((0 <= unknown-#StackHeapBarrier-unknown && 0 <= set) && #NULL <= 0) && n == 0) && 0 <= #NULL) && #NULL == 0) && 0 <= x) && set == 0 - InvariantResult [Line: 9]: Loop Invariant [2019-11-26 02:58:18,372 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,373 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,373 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-26 02:58:18,373 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,374 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,374 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-11-26 02:58:18,375 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,375 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,376 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-26 02:58:18,376 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,376 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,376 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((((((((((((((((((((((((((((((set <= 0 && v < 100000) && \result <= 0) && 0 <= v) && x <= 0) && 0 <= #NULL) && 0 <= values) && 0 <= #NULL) && set == set) && set <= 0) && 0 <= size) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= i) && 0 <= \result) && 0 <= set) && 0 <= n) && 0 <= \old(size)) && size <= 0) && 0 <= x) && aux-values[ v ]-aux == \old(value)) && #NULL <= 0) && values <= 0) && 0 <= set) && 0 <= set) && #NULL <= 0) && aux-values[ v ]-aux == unknown-#memory_int-unknown[values][v * 4 + values]) && set == set) && set <= 0) && \old(size) <= 0) && n <= 0) && i <= 0) && 0 <= values) && 0 <= set) && value == \old(value) - InvariantResult [Line: 28]: Loop Invariant [2019-11-26 02:58:18,377 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-26 02:58:18,377 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,378 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,378 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,378 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-26 02:58:18,378 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,379 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,379 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL Derived loop invariant: ((((((0 <= unknown-#StackHeapBarrier-unknown && 0 <= set) && #NULL <= 0) && x == 0) && n == 0) && 0 <= #NULL) && #NULL == 0) && set == 0 - InvariantResult [Line: 44]: Loop Invariant [2019-11-26 02:58:18,380 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,380 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-26 02:58:18,380 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,381 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL [2019-11-26 02:58:18,381 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2019-11-26 02:58:18,381 WARN L1295 BoogieBacktranslator]: unknown boogie variable #NULL Derived loop invariant: ((((((((((((((((((((((\old(size) == 0 && set <= 0) && 0 <= set) && v < 100000) && 0 <= set) && 0 == #NULL) && 0 <= v) && 0 <= set) && 0 <= values) && 0 <= set) && values == 0) && set <= 0) && 0 <= size) && 0 == \result) && 0 <= unknown-#StackHeapBarrier-unknown) && 0 <= i) && x == 0) && n <= 0) && 0 <= n) && #NULL == 0) && size <= 0) && i <= 0) && 0 <= set) && set == 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 26 locations, 3 error locations. Result: SAFE, OverallTime: 6.8s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, HoareTripleCheckerStatistics: 90 SDtfs, 111 SDslu, 67 SDs, 0 SdLazy, 112 SolverSat, 55 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 147 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=3, 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, 5 MinimizatonAttempts, 31 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 27 NumberOfFragments, 509 HoareAnnotationTreeSize, 11 FomulaSimplifications, 593 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 451 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 146 ConstructedInterpolants, 0 QuantifiedInterpolants, 2400 SizeOfPredicates, 0 NumberOfNonLiveVariables, 357 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 13 InterpolantComputations, 3 PerfectInterpolantSequences, 32/42 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: OVERALL_TIME[ms]: 1583, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 24, DAG_INTERPRETER_EARLY_EXITS: 3, TOOLS_POST_APPLICATIONS: 49, TOOLS_POST_TIME[ms]: 751, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME[ms]: 0, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 49, TOOLS_QUANTIFIERELIM_TIME[ms]: 731, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 107, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 113, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 3, DOMAIN_JOIN_TIME[ms]: 194, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 12, DOMAIN_WIDEN_TIME[ms]: 495, DOMAIN_ISSUBSETEQ_APPLICATIONS: 18, DOMAIN_ISSUBSETEQ_TIME[ms]: 37, DOMAIN_ISBOTTOM_APPLICATIONS: 24, DOMAIN_ISBOTTOM_TIME[ms]: 34, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1079, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1078, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 18, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 3, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 16, DAG_COMPRESSION_PROCESSED_NODES: 313, DAG_COMPRESSION_RETAINED_NODES: 95, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...