./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_07b34b44-872a-4db2-9629-8ec8918e9afe/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_07b34b44-872a-4db2-9629-8ec8918e9afe/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_07b34b44-872a-4db2-9629-8ec8918e9afe/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_07b34b44-872a-4db2-9629-8ec8918e9afe/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_07b34b44-872a-4db2-9629-8ec8918e9afe/bin/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_07b34b44-872a-4db2-9629-8ec8918e9afe/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e334e85dd18553afecc96b27cf49a003304cbca8 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-03 12:31:26,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 12:31:26,994 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 12:31:27,048 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 12:31:27,051 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 12:31:27,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 12:31:27,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 12:31:27,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 12:31:27,068 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 12:31:27,073 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 12:31:27,074 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 12:31:27,076 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 12:31:27,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 12:31:27,080 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 12:31:27,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 12:31:27,083 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 12:31:27,084 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 12:31:27,085 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 12:31:27,092 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 12:31:27,101 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 12:31:27,103 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 12:31:27,105 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 12:31:27,107 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 12:31:27,108 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 12:31:27,111 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 12:31:27,112 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 12:31:27,112 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 12:31:27,114 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 12:31:27,115 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 12:31:27,116 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 12:31:27,116 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 12:31:27,118 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 12:31:27,119 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 12:31:27,120 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 12:31:27,122 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 12:31:27,122 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 12:31:27,123 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 12:31:27,123 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 12:31:27,123 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 12:31:27,124 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 12:31:27,125 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 12:31:27,126 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_07b34b44-872a-4db2-9629-8ec8918e9afe/bin/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf [2020-12-03 12:31:27,162 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 12:31:27,162 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 12:31:27,163 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-03 12:31:27,164 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-03 12:31:27,164 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-03 12:31:27,164 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-03 12:31:27,164 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-03 12:31:27,165 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-03 12:31:27,165 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-03 12:31:27,165 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-03 12:31:27,166 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-03 12:31:27,166 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-03 12:31:27,167 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-03 12:31:27,167 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-03 12:31:27,167 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-03 12:31:27,168 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 12:31:27,168 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-03 12:31:27,168 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-03 12:31:27,168 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 12:31:27,169 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-03 12:31:27,169 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 12:31:27,169 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-03 12:31:27,169 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-03 12:31:27,170 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-03 12:31:27,170 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 12:31:27,170 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-03 12:31:27,170 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 12:31:27,170 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-03 12:31:27,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-03 12:31:27,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 12:31:27,173 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 12:31:27,173 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-03 12:31:27,174 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-03 12:31:27,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-03 12:31:27,174 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-03 12:31:27,174 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-03 12:31:27,174 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-03 12:31:27,175 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_07b34b44-872a-4db2-9629-8ec8918e9afe/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_07b34b44-872a-4db2-9629-8ec8918e9afe/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e334e85dd18553afecc96b27cf49a003304cbca8 [2020-12-03 12:31:27,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 12:31:27,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 12:31:27,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 12:31:27,446 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 12:31:27,447 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 12:31:27,448 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_07b34b44-872a-4db2-9629-8ec8918e9afe/bin/utaipan/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi2.c [2020-12-03 12:31:27,525 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_07b34b44-872a-4db2-9629-8ec8918e9afe/bin/utaipan/data/dfa7501ba/a89ce3f99ef24a5c9cf27b3c5ea974bf/FLAG1f6981b60 [2020-12-03 12:31:27,977 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 12:31:27,977 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_07b34b44-872a-4db2-9629-8ec8918e9afe/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedpldi2.c [2020-12-03 12:31:27,983 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_07b34b44-872a-4db2-9629-8ec8918e9afe/bin/utaipan/data/dfa7501ba/a89ce3f99ef24a5c9cf27b3c5ea974bf/FLAG1f6981b60 [2020-12-03 12:31:28,340 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_07b34b44-872a-4db2-9629-8ec8918e9afe/bin/utaipan/data/dfa7501ba/a89ce3f99ef24a5c9cf27b3c5ea974bf [2020-12-03 12:31:28,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 12:31:28,343 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 12:31:28,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 12:31:28,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 12:31:28,348 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 12:31:28,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:31:28" (1/1) ... [2020-12-03 12:31:28,351 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18f9deac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:28, skipping insertion in model container [2020-12-03 12:31:28,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:31:28" (1/1) ... [2020-12-03 12:31:28,359 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 12:31:28,371 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 12:31:28,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 12:31:28,536 INFO L203 MainTranslator]: Completed pre-run [2020-12-03 12:31:28,578 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 12:31:28,589 INFO L208 MainTranslator]: Completed translation [2020-12-03 12:31:28,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:28 WrapperNode [2020-12-03 12:31:28,591 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-03 12:31:28,592 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-03 12:31:28,592 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-03 12:31:28,592 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-03 12:31:28,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:28" (1/1) ... [2020-12-03 12:31:28,604 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:28" (1/1) ... [2020-12-03 12:31:28,620 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-03 12:31:28,620 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-03 12:31:28,621 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-03 12:31:28,621 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-03 12:31:28,629 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:28" (1/1) ... [2020-12-03 12:31:28,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:28" (1/1) ... [2020-12-03 12:31:28,630 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:28" (1/1) ... [2020-12-03 12:31:28,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:28" (1/1) ... [2020-12-03 12:31:28,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:28" (1/1) ... [2020-12-03 12:31:28,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:28" (1/1) ... [2020-12-03 12:31:28,636 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:28" (1/1) ... [2020-12-03 12:31:28,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-03 12:31:28,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-03 12:31:28,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-03 12:31:28,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-03 12:31:28,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07b34b44-872a-4db2-9629-8ec8918e9afe/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-03 12:31:28,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-03 12:31:28,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-03 12:31:28,959 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-03 12:31:28,959 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2020-12-03 12:31:28,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:31:28 BoogieIcfgContainer [2020-12-03 12:31:28,961 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-03 12:31:28,963 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-03 12:31:28,964 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-03 12:31:28,967 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-03 12:31:28,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 12:31:28" (1/3) ... [2020-12-03 12:31:28,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11d13192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 12:31:28, skipping insertion in model container [2020-12-03 12:31:28,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:31:28" (2/3) ... [2020-12-03 12:31:28,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11d13192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 12:31:28, skipping insertion in model container [2020-12-03 12:31:28,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:31:28" (3/3) ... [2020-12-03 12:31:28,971 INFO L111 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-speedpldi2.c [2020-12-03 12:31:28,990 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-03 12:31:28,993 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-12-03 12:31:29,004 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-12-03 12:31:29,049 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-03 12:31:29,049 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-03 12:31:29,050 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-03 12:31:29,050 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-03 12:31:29,051 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-03 12:31:29,051 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-03 12:31:29,051 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-03 12:31:29,051 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-03 12:31:29,071 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2020-12-03 12:31:29,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-03 12:31:29,078 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:31:29,079 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-03 12:31:29,079 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-03 12:31:29,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:31:29,085 INFO L82 PathProgramCache]: Analyzing trace with hash 29684842, now seen corresponding path program 1 times [2020-12-03 12:31:29,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-03 12:31:29,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621390296] [2020-12-03 12:31:29,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-03 12:31:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 12:31:29,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:31:29,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621390296] [2020-12-03 12:31:29,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 12:31:29,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-03 12:31:29,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450500330] [2020-12-03 12:31:29,291 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-03 12:31:29,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-03 12:31:29,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-03 12:31:29,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-03 12:31:29,319 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 3 states. [2020-12-03 12:31:29,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 12:31:29,370 INFO L93 Difference]: Finished difference Result 21 states and 25 transitions. [2020-12-03 12:31:29,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-03 12:31:29,372 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-12-03 12:31:29,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 12:31:29,379 INFO L225 Difference]: With dead ends: 21 [2020-12-03 12:31:29,379 INFO L226 Difference]: Without dead ends: 16 [2020-12-03 12:31:29,382 INFO L677 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 [2020-12-03 12:31:29,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-12-03 12:31:29,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2020-12-03 12:31:29,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-12-03 12:31:29,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2020-12-03 12:31:29,414 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 5 [2020-12-03 12:31:29,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 12:31:29,414 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2020-12-03 12:31:29,415 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-03 12:31:29,415 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2020-12-03 12:31:29,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-03 12:31:29,415 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:31:29,416 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-12-03 12:31:29,416 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-03 12:31:29,416 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-03 12:31:29,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:31:29,417 INFO L82 PathProgramCache]: Analyzing trace with hash 920230152, now seen corresponding path program 1 times [2020-12-03 12:31:29,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-03 12:31:29,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159513235] [2020-12-03 12:31:29,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-03 12:31:29,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 12:31:29,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:31:29,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159513235] [2020-12-03 12:31:29,459 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 12:31:29,459 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-03 12:31:29,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569215239] [2020-12-03 12:31:29,461 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-03 12:31:29,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-03 12:31:29,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-03 12:31:29,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-03 12:31:29,464 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand 3 states. [2020-12-03 12:31:29,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 12:31:29,482 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2020-12-03 12:31:29,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-03 12:31:29,483 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-12-03 12:31:29,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 12:31:29,483 INFO L225 Difference]: With dead ends: 15 [2020-12-03 12:31:29,484 INFO L226 Difference]: Without dead ends: 14 [2020-12-03 12:31:29,484 INFO L677 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 [2020-12-03 12:31:29,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2020-12-03 12:31:29,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-12-03 12:31:29,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-12-03 12:31:29,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2020-12-03 12:31:29,488 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 6 [2020-12-03 12:31:29,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 12:31:29,489 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2020-12-03 12:31:29,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-03 12:31:29,489 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2020-12-03 12:31:29,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-03 12:31:29,490 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:31:29,490 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-03 12:31:29,490 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-03 12:31:29,491 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-03 12:31:29,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:31:29,492 INFO L82 PathProgramCache]: Analyzing trace with hash -1537636308, now seen corresponding path program 1 times [2020-12-03 12:31:29,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-03 12:31:29,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621776487] [2020-12-03 12:31:29,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-03 12:31:29,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 12:31:29,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:31:29,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621776487] [2020-12-03 12:31:29,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 12:31:29,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-03 12:31:29,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620138826] [2020-12-03 12:31:29,547 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-03 12:31:29,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-03 12:31:29,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-03 12:31:29,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-03 12:31:29,549 INFO L87 Difference]: Start difference. First operand 14 states and 16 transitions. Second operand 4 states. [2020-12-03 12:31:29,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 12:31:29,587 INFO L93 Difference]: Finished difference Result 14 states and 16 transitions. [2020-12-03 12:31:29,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-03 12:31:29,588 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-12-03 12:31:29,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 12:31:29,588 INFO L225 Difference]: With dead ends: 14 [2020-12-03 12:31:29,588 INFO L226 Difference]: Without dead ends: 13 [2020-12-03 12:31:29,589 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-03 12:31:29,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2020-12-03 12:31:29,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2020-12-03 12:31:29,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-12-03 12:31:29,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2020-12-03 12:31:29,593 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 7 [2020-12-03 12:31:29,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 12:31:29,593 INFO L481 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2020-12-03 12:31:29,593 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-03 12:31:29,593 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2020-12-03 12:31:29,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-03 12:31:29,594 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:31:29,594 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-03 12:31:29,594 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-03 12:31:29,595 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-03 12:31:29,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:31:29,596 INFO L82 PathProgramCache]: Analyzing trace with hash -422085238, now seen corresponding path program 1 times [2020-12-03 12:31:29,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-03 12:31:29,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992700041] [2020-12-03 12:31:29,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-03 12:31:29,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 12:31:29,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:31:29,623 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992700041] [2020-12-03 12:31:29,623 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 12:31:29,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-03 12:31:29,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114628568] [2020-12-03 12:31:29,624 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-03 12:31:29,624 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-03 12:31:29,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-03 12:31:29,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-03 12:31:29,627 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. Second operand 3 states. [2020-12-03 12:31:29,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 12:31:29,663 INFO L93 Difference]: Finished difference Result 14 states and 16 transitions. [2020-12-03 12:31:29,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-03 12:31:29,665 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-12-03 12:31:29,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 12:31:29,666 INFO L225 Difference]: With dead ends: 14 [2020-12-03 12:31:29,666 INFO L226 Difference]: Without dead ends: 13 [2020-12-03 12:31:29,666 INFO L677 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 [2020-12-03 12:31:29,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2020-12-03 12:31:29,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2020-12-03 12:31:29,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-12-03 12:31:29,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. [2020-12-03 12:31:29,678 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 14 transitions. Word has length 8 [2020-12-03 12:31:29,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 12:31:29,679 INFO L481 AbstractCegarLoop]: Abstraction has 12 states and 14 transitions. [2020-12-03 12:31:29,679 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-03 12:31:29,679 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2020-12-03 12:31:29,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-03 12:31:29,679 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:31:29,680 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2020-12-03 12:31:29,680 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-03 12:31:29,680 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-12-03 12:31:29,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:31:29,681 INFO L82 PathProgramCache]: Analyzing trace with hash 1322960227, now seen corresponding path program 1 times [2020-12-03 12:31:29,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-03 12:31:29,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620775005] [2020-12-03 12:31:29,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-03 12:31:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 12:31:29,717 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:31:29,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620775005] [2020-12-03 12:31:29,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [273647198] [2020-12-03 12:31:29,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_07b34b44-872a-4db2-9629-8ec8918e9afe/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 [2020-12-03 12:31:29,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 12:31:29,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-03 12:31:29,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 12:31:29,846 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:31:29,846 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-03 12:31:29,882 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:31:29,882 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [552393360] [2020-12-03 12:31:29,903 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2020-12-03 12:31:29,904 INFO L166 IcfgInterpreter]: Building call graph [2020-12-03 12:31:29,908 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-03 12:31:29,913 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-03 12:31:29,913 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-03 12:31:30,152 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-03 12:31:30,403 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2020-12-03 12:31:30,403 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [3, 3, 3] total 10 [2020-12-03 12:31:30,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080716328] [2020-12-03 12:31:30,404 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-03 12:31:30,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-03 12:31:30,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-03 12:31:30,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-12-03 12:31:30,409 INFO L87 Difference]: Start difference. First operand 12 states and 14 transitions. Second operand 7 states. [2020-12-03 12:31:30,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 12:31:30,478 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. [2020-12-03 12:31:30,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-03 12:31:30,479 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 11 [2020-12-03 12:31:30,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 12:31:30,479 INFO L225 Difference]: With dead ends: 13 [2020-12-03 12:31:30,479 INFO L226 Difference]: Without dead ends: 0 [2020-12-03 12:31:30,480 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 22 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-12-03 12:31:30,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-03 12:31:30,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-03 12:31:30,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-03 12:31:30,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-03 12:31:30,481 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2020-12-03 12:31:30,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 12:31:30,481 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-03 12:31:30,481 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-03 12:31:30,481 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-03 12:31:30,481 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-03 12:31:30,700 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-03 12:31:30,702 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-03 12:31:30,779 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2020-12-03 12:31:30,779 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-03 12:31:30,779 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2020-12-03 12:31:30,779 INFO L262 CegarLoopResult]: For program point L23(line 23) no Hoare annotation was computed. [2020-12-03 12:31:30,779 INFO L262 CegarLoopResult]: For program point L23-1(line 23) no Hoare annotation was computed. [2020-12-03 12:31:30,780 INFO L262 CegarLoopResult]: For program point L21(lines 21 26) no Hoare annotation was computed. [2020-12-03 12:31:30,780 INFO L258 CegarLoopResult]: At program point L21-2(lines 20 27) the Hoare annotation is: (and (<= 0 ULTIMATE.start_main_~m~0) (<= 0 ULTIMATE.start_main_~v2~0) (<= ULTIMATE.start_main_~m~0 2147483647) (<= 0 ULTIMATE.start_main_~n~0) (<= ULTIMATE.start_main_~n~0 2147483647) (<= 0 (+ ULTIMATE.start_main_~v1~0 1)) (<= ULTIMATE.start_main_~v1~0 2147483647)) [2020-12-03 12:31:30,780 INFO L262 CegarLoopResult]: For program point L17(lines 17 28) no Hoare annotation was computed. [2020-12-03 12:31:30,780 INFO L265 CegarLoopResult]: At program point L17-1(lines 17 28) the Hoare annotation is: true [2020-12-03 12:31:30,781 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 22) no Hoare annotation was computed. [2020-12-03 12:31:30,781 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2020-12-03 12:31:30,781 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-03 12:31:30,781 INFO L262 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-12-03 12:31:30,781 INFO L262 CegarLoopResult]: For program point L22-1(line 22) no Hoare annotation was computed. [2020-12-03 12:31:30,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 12:31:30 BoogieIcfgContainer [2020-12-03 12:31:30,798 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-03 12:31:30,799 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-03 12:31:30,799 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-03 12:31:30,799 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-03 12:31:30,800 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:31:28" (3/4) ... [2020-12-03 12:31:30,803 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-03 12:31:30,817 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-03 12:31:30,818 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-03 12:31:30,826 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-03 12:31:30,867 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_07b34b44-872a-4db2-9629-8ec8918e9afe/bin/utaipan/witness.graphml [2020-12-03 12:31:30,867 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-03 12:31:30,869 INFO L168 Benchmark]: Toolchain (without parser) took 2524.76 ms. Allocated memory was 123.7 MB in the beginning and 157.3 MB in the end (delta: 33.6 MB). Free memory was 99.3 MB in the beginning and 118.3 MB in the end (delta: -19.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 16.1 GB. [2020-12-03 12:31:30,869 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 81.8 MB. Free memory was 45.3 MB in the beginning and 45.1 MB in the end (delta: 117.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 12:31:30,870 INFO L168 Benchmark]: CACSL2BoogieTranslator took 246.70 ms. Allocated memory is still 123.7 MB. Free memory was 98.9 MB in the beginning and 100.8 MB in the end (delta: -1.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-03 12:31:30,870 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.88 ms. Allocated memory is still 123.7 MB. Free memory was 100.8 MB in the beginning and 99.3 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 12:31:30,871 INFO L168 Benchmark]: Boogie Preprocessor took 17.34 ms. Allocated memory is still 123.7 MB. Free memory was 99.3 MB in the beginning and 98.9 MB in the end (delta: 486.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 12:31:30,871 INFO L168 Benchmark]: RCFGBuilder took 322.92 ms. Allocated memory is still 123.7 MB. Free memory was 98.7 MB in the beginning and 87.7 MB in the end (delta: 11.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-03 12:31:30,872 INFO L168 Benchmark]: TraceAbstraction took 1834.85 ms. Allocated memory was 123.7 MB in the beginning and 157.3 MB in the end (delta: 33.6 MB). Free memory was 87.3 MB in the beginning and 120.4 MB in the end (delta: -33.2 MB). Peak memory consumption was 2.4 MB. Max. memory is 16.1 GB. [2020-12-03 12:31:30,873 INFO L168 Benchmark]: Witness Printer took 68.75 ms. Allocated memory is still 157.3 MB. Free memory was 120.4 MB in the beginning and 118.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-03 12:31:30,875 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 81.8 MB. Free memory was 45.3 MB in the beginning and 45.1 MB in the end (delta: 117.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 246.70 ms. Allocated memory is still 123.7 MB. Free memory was 98.9 MB in the beginning and 100.8 MB in the end (delta: -1.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 27.88 ms. Allocated memory is still 123.7 MB. Free memory was 100.8 MB in the beginning and 99.3 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 17.34 ms. Allocated memory is still 123.7 MB. Free memory was 99.3 MB in the beginning and 98.9 MB in the end (delta: 486.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 322.92 ms. Allocated memory is still 123.7 MB. Free memory was 98.7 MB in the beginning and 87.7 MB in the end (delta: 11.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1834.85 ms. Allocated memory was 123.7 MB in the beginning and 157.3 MB in the end (delta: 33.6 MB). Free memory was 87.3 MB in the beginning and 120.4 MB in the end (delta: -33.2 MB). Peak memory consumption was 2.4 MB. Max. memory is 16.1 GB. * Witness Printer took 68.75 ms. Allocated memory is still 157.3 MB. Free memory was 120.4 MB in the beginning and 118.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((0 <= m && 0 <= v2) && m <= 2147483647) && 0 <= n) && n <= 2147483647) && 0 <= v1 + 1) && v1 <= 2147483647 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 14 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.6s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 34 SDtfs, 36 SDslu, 8 SDs, 0 SdLazy, 50 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 43 GetRequests, 25 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=1, 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, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 5 NumberOfFragments, 25 HoareAnnotationTreeSize, 2 FomulaSimplifications, 81 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 26 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 1172 SizeOfPredicates, 0 NumberOfNonLiveVariables, 29 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 0/9 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME[ms]: 250, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 7, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 26, TOOLS_POST_TIME[ms]: 62, 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: 26, TOOLS_QUANTIFIERELIM_TIME[ms]: 54, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11, FLUID_QUERY_TIME[ms]: 3, FLUID_QUERIES: 43, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 0, DOMAIN_JOIN_TIME[ms]: 0, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 102, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 15, DOMAIN_ISBOTTOM_APPLICATIONS: 7, DOMAIN_ISBOTTOM_TIME[ms]: 28, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 171, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 170, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, 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]: 2, PATH_EXPR_TIME[ms]: 2, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 8, DAG_COMPRESSION_PROCESSED_NODES: 62, DAG_COMPRESSION_RETAINED_NODES: 29, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...