./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex_false-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_39ec212b-acc5-4344-93e7-26b6b6249986/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_39ec212b-acc5-4344-93e7-26b6b6249986/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_39ec212b-acc5-4344-93e7-26b6b6249986/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_39ec212b-acc5-4344-93e7-26b6b6249986/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex_false-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_39ec212b-acc5-4344-93e7-26b6b6249986/bin-2019/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_39ec212b-acc5-4344-93e7-26b6b6249986/bin-2019/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 9f16087843ad8a83da47d6a6a4e9d674fa79150d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 15:36:13,234 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:36:13,235 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:36:13,244 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:36:13,244 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:36:13,245 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:36:13,246 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:36:13,248 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:36:13,249 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:36:13,250 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:36:13,251 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:36:13,251 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:36:13,251 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:36:13,252 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:36:13,253 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:36:13,254 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:36:13,254 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:36:13,255 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:36:13,257 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:36:13,258 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:36:13,259 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:36:13,260 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:36:13,262 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:36:13,262 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:36:13,262 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:36:13,263 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:36:13,264 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:36:13,264 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:36:13,265 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:36:13,266 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:36:13,266 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:36:13,266 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:36:13,266 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:36:13,267 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:36:13,267 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:36:13,268 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:36:13,268 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_39ec212b-acc5-4344-93e7-26b6b6249986/bin-2019/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf [2018-11-18 15:36:13,281 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:36:13,281 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:36:13,281 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:36:13,282 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 15:36:13,282 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 15:36:13,282 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 15:36:13,282 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 15:36:13,282 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 15:36:13,282 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 15:36:13,282 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 15:36:13,282 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 15:36:13,282 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 15:36:13,283 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 15:36:13,283 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:36:13,283 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 15:36:13,283 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:36:13,283 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:36:13,284 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:36:13,284 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:36:13,284 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:36:13,284 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-18 15:36:13,284 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:36:13,284 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:36:13,284 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:36:13,285 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:36:13,285 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:36:13,285 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:36:13,285 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 15:36:13,285 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:36:13,285 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:36:13,285 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:36:13,285 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:36:13,285 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 15:36:13,286 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:36:13,286 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:36:13,286 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 15:36:13,286 INFO L133 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/working_dir_39ec212b-acc5-4344-93e7-26b6b6249986/bin-2019/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 -> 9f16087843ad8a83da47d6a6a4e9d674fa79150d [2018-11-18 15:36:13,312 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:36:13,322 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:36:13,325 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:36:13,326 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:36:13,326 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:36:13,327 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_39ec212b-acc5-4344-93e7-26b6b6249986/bin-2019/utaipan/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex_false-no-overflow.c [2018-11-18 15:36:13,372 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_39ec212b-acc5-4344-93e7-26b6b6249986/bin-2019/utaipan/data/57a530b00/432f1c8f94a6409cb529138e99ca0626/FLAGca7905a42 [2018-11-18 15:36:13,726 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:36:13,727 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_39ec212b-acc5-4344-93e7-26b6b6249986/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex_false-no-overflow.c [2018-11-18 15:36:13,731 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_39ec212b-acc5-4344-93e7-26b6b6249986/bin-2019/utaipan/data/57a530b00/432f1c8f94a6409cb529138e99ca0626/FLAGca7905a42 [2018-11-18 15:36:14,163 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_39ec212b-acc5-4344-93e7-26b6b6249986/bin-2019/utaipan/data/57a530b00/432f1c8f94a6409cb529138e99ca0626 [2018-11-18 15:36:14,165 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:36:14,167 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:36:14,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:36:14,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:36:14,171 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:36:14,171 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:36:14" (1/1) ... [2018-11-18 15:36:14,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a19fc73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:36:14, skipping insertion in model container [2018-11-18 15:36:14,174 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:36:14" (1/1) ... [2018-11-18 15:36:14,182 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:36:14,199 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:36:14,332 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:36:14,335 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:36:14,347 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:36:14,358 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:36:14,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:36:14 WrapperNode [2018-11-18 15:36:14,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:36:14,359 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:36:14,359 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:36:14,360 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:36:14,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:36:14" (1/1) ... [2018-11-18 15:36:14,371 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:36:14" (1/1) ... [2018-11-18 15:36:14,376 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:36:14,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:36:14,377 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:36:14,377 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:36:14,384 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:36:14" (1/1) ... [2018-11-18 15:36:14,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:36:14" (1/1) ... [2018-11-18 15:36:14,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:36:14" (1/1) ... [2018-11-18 15:36:14,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:36:14" (1/1) ... [2018-11-18 15:36:14,388 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:36:14" (1/1) ... [2018-11-18 15:36:14,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:36:14" (1/1) ... [2018-11-18 15:36:14,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:36:14" (1/1) ... [2018-11-18 15:36:14,397 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:36:14,398 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:36:14,398 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:36:14,398 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:36:14,399 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:36:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_39ec212b-acc5-4344-93e7-26b6b6249986/bin-2019/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 [2018-11-18 15:36:14,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 15:36:14,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 15:36:14,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:36:14,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:36:14,519 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 15:36:14,519 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 15:36:14,739 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:36:14,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:36:14 BoogieIcfgContainer [2018-11-18 15:36:14,740 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:36:14,741 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 15:36:14,741 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 15:36:14,744 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 15:36:14,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 03:36:14" (1/3) ... [2018-11-18 15:36:14,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35356d9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:36:14, skipping insertion in model container [2018-11-18 15:36:14,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:36:14" (2/3) ... [2018-11-18 15:36:14,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35356d9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:36:14, skipping insertion in model container [2018-11-18 15:36:14,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:36:14" (3/3) ... [2018-11-18 15:36:14,764 INFO L112 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-complex_false-no-overflow.c [2018-11-18 15:36:14,773 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 15:36:14,787 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 12 error locations. [2018-11-18 15:36:14,819 INFO L257 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2018-11-18 15:36:14,856 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 15:36:14,857 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 15:36:14,857 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 15:36:14,857 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:36:14,857 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:36:14,858 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 15:36:14,858 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:36:14,858 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 15:36:14,876 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2018-11-18 15:36:14,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 15:36:14,886 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:36:14,887 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:36:14,890 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 15:36:14,896 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:36:14,896 INFO L82 PathProgramCache]: Analyzing trace with hash -619454321, now seen corresponding path program 1 times [2018-11-18 15:36:14,898 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:36:14,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:36:14,947 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:36:14,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:36:14,947 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:36:14,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:36:14,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:36:14,989 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:36:14,989 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 15:36:14,989 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:36:14,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 15:36:15,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 15:36:15,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 15:36:15,002 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 2 states. [2018-11-18 15:36:15,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:36:15,019 INFO L93 Difference]: Finished difference Result 75 states and 85 transitions. [2018-11-18 15:36:15,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 15:36:15,020 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2018-11-18 15:36:15,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:36:15,026 INFO L225 Difference]: With dead ends: 75 [2018-11-18 15:36:15,026 INFO L226 Difference]: Without dead ends: 35 [2018-11-18 15:36:15,028 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 15:36:15,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-11-18 15:36:15,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-11-18 15:36:15,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-11-18 15:36:15,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions. [2018-11-18 15:36:15,059 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 9 [2018-11-18 15:36:15,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:36:15,059 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions. [2018-11-18 15:36:15,059 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 15:36:15,059 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2018-11-18 15:36:15,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 15:36:15,060 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:36:15,060 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:36:15,060 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 15:36:15,061 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:36:15,061 INFO L82 PathProgramCache]: Analyzing trace with hash -2023250361, now seen corresponding path program 1 times [2018-11-18 15:36:15,061 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:36:15,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:36:15,062 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:36:15,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:36:15,063 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:36:15,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:36:15,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:36:15,110 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:36:15,110 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 15:36:15,111 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:36:15,111 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:36:15,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:36:15,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:36:15,112 INFO L87 Difference]: Start difference. First operand 35 states and 38 transitions. Second operand 3 states. [2018-11-18 15:36:15,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:36:15,189 INFO L93 Difference]: Finished difference Result 56 states and 65 transitions. [2018-11-18 15:36:15,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:36:15,190 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-11-18 15:36:15,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:36:15,192 INFO L225 Difference]: With dead ends: 56 [2018-11-18 15:36:15,192 INFO L226 Difference]: Without dead ends: 53 [2018-11-18 15:36:15,193 INFO L604 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 [2018-11-18 15:36:15,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-11-18 15:36:15,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 46. [2018-11-18 15:36:15,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-11-18 15:36:15,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 56 transitions. [2018-11-18 15:36:15,198 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 56 transitions. Word has length 10 [2018-11-18 15:36:15,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:36:15,198 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 56 transitions. [2018-11-18 15:36:15,198 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:36:15,199 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 56 transitions. [2018-11-18 15:36:15,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 15:36:15,199 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:36:15,199 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:36:15,199 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 15:36:15,199 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:36:15,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1703748338, now seen corresponding path program 1 times [2018-11-18 15:36:15,200 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:36:15,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:36:15,201 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:36:15,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:36:15,201 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:36:15,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:36:15,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:36:15,237 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:36:15,237 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 15:36:15,237 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:36:15,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:36:15,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:36:15,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:36:15,238 INFO L87 Difference]: Start difference. First operand 46 states and 56 transitions. Second operand 3 states. [2018-11-18 15:36:15,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:36:15,298 INFO L93 Difference]: Finished difference Result 46 states and 56 transitions. [2018-11-18 15:36:15,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:36:15,298 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-11-18 15:36:15,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:36:15,299 INFO L225 Difference]: With dead ends: 46 [2018-11-18 15:36:15,299 INFO L226 Difference]: Without dead ends: 43 [2018-11-18 15:36:15,299 INFO L604 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 [2018-11-18 15:36:15,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-11-18 15:36:15,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-11-18 15:36:15,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-11-18 15:36:15,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 53 transitions. [2018-11-18 15:36:15,304 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 53 transitions. Word has length 11 [2018-11-18 15:36:15,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:36:15,304 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 53 transitions. [2018-11-18 15:36:15,304 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:36:15,304 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 53 transitions. [2018-11-18 15:36:15,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 15:36:15,305 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:36:15,305 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:36:15,305 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 15:36:15,305 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:36:15,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1703749492, now seen corresponding path program 1 times [2018-11-18 15:36:15,305 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:36:15,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:36:15,306 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:36:15,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:36:15,307 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:36:15,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:36:15,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:36:15,326 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:36:15,326 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 15:36:15,327 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:36:15,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:36:15,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:36:15,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:36:15,327 INFO L87 Difference]: Start difference. First operand 43 states and 53 transitions. Second operand 3 states. [2018-11-18 15:36:15,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:36:15,558 INFO L93 Difference]: Finished difference Result 43 states and 53 transitions. [2018-11-18 15:36:15,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:36:15,559 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-11-18 15:36:15,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:36:15,560 INFO L225 Difference]: With dead ends: 43 [2018-11-18 15:36:15,560 INFO L226 Difference]: Without dead ends: 42 [2018-11-18 15:36:15,560 INFO L604 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 [2018-11-18 15:36:15,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-11-18 15:36:15,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-11-18 15:36:15,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-11-18 15:36:15,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 51 transitions. [2018-11-18 15:36:15,564 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 51 transitions. Word has length 11 [2018-11-18 15:36:15,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:36:15,565 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 51 transitions. [2018-11-18 15:36:15,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:36:15,565 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2018-11-18 15:36:15,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 15:36:15,576 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:36:15,576 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:36:15,577 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 15:36:15,577 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:36:15,577 INFO L82 PathProgramCache]: Analyzing trace with hash 1703749300, now seen corresponding path program 1 times [2018-11-18 15:36:15,577 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:36:15,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:36:15,578 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:36:15,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:36:15,578 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:36:15,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:36:15,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:36:15,742 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:36:15,742 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:36:15,742 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:36:15,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 15:36:15,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 15:36:15,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 15:36:15,743 INFO L87 Difference]: Start difference. First operand 42 states and 51 transitions. Second operand 4 states. [2018-11-18 15:36:16,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:36:16,350 INFO L93 Difference]: Finished difference Result 64 states and 76 transitions. [2018-11-18 15:36:16,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 15:36:16,350 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2018-11-18 15:36:16,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:36:16,351 INFO L225 Difference]: With dead ends: 64 [2018-11-18 15:36:16,351 INFO L226 Difference]: Without dead ends: 61 [2018-11-18 15:36:16,353 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 15:36:16,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-11-18 15:36:16,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 54. [2018-11-18 15:36:16,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-11-18 15:36:16,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 66 transitions. [2018-11-18 15:36:16,361 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 66 transitions. Word has length 11 [2018-11-18 15:36:16,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:36:16,361 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 66 transitions. [2018-11-18 15:36:16,361 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 15:36:16,361 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 66 transitions. [2018-11-18 15:36:16,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 15:36:16,362 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:36:16,362 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:36:16,362 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 15:36:16,362 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:36:16,362 INFO L82 PathProgramCache]: Analyzing trace with hash 1276591017, now seen corresponding path program 1 times [2018-11-18 15:36:16,362 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:36:16,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:36:16,364 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:36:16,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:36:16,364 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:36:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:36:16,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:36:16,399 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:36:16,399 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 15:36:16,399 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:36:16,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:36:16,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:36:16,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:36:16,400 INFO L87 Difference]: Start difference. First operand 54 states and 66 transitions. Second operand 3 states. [2018-11-18 15:36:16,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:36:16,436 INFO L93 Difference]: Finished difference Result 65 states and 80 transitions. [2018-11-18 15:36:16,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:36:16,436 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-11-18 15:36:16,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:36:16,437 INFO L225 Difference]: With dead ends: 65 [2018-11-18 15:36:16,437 INFO L226 Difference]: Without dead ends: 64 [2018-11-18 15:36:16,438 INFO L604 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 [2018-11-18 15:36:16,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-11-18 15:36:16,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 54. [2018-11-18 15:36:16,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-11-18 15:36:16,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 66 transitions. [2018-11-18 15:36:16,444 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 66 transitions. Word has length 12 [2018-11-18 15:36:16,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:36:16,444 INFO L480 AbstractCegarLoop]: Abstraction has 54 states and 66 transitions. [2018-11-18 15:36:16,445 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:36:16,445 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 66 transitions. [2018-11-18 15:36:16,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 15:36:16,445 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:36:16,445 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:36:16,446 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 15:36:16,446 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:36:16,446 INFO L82 PathProgramCache]: Analyzing trace with hash 1276626767, now seen corresponding path program 1 times [2018-11-18 15:36:16,446 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:36:16,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:36:16,447 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:36:16,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:36:16,447 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:36:16,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:36:16,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:36:16,470 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:36:16,470 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 15:36:16,471 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:36:16,471 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:36:16,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:36:16,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:36:16,471 INFO L87 Difference]: Start difference. First operand 54 states and 66 transitions. Second operand 3 states. [2018-11-18 15:36:16,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:36:16,521 INFO L93 Difference]: Finished difference Result 54 states and 66 transitions. [2018-11-18 15:36:16,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:36:16,521 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-11-18 15:36:16,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:36:16,521 INFO L225 Difference]: With dead ends: 54 [2018-11-18 15:36:16,522 INFO L226 Difference]: Without dead ends: 52 [2018-11-18 15:36:16,522 INFO L604 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 [2018-11-18 15:36:16,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-11-18 15:36:16,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-11-18 15:36:16,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-11-18 15:36:16,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 62 transitions. [2018-11-18 15:36:16,525 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 62 transitions. Word has length 12 [2018-11-18 15:36:16,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:36:16,525 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 62 transitions. [2018-11-18 15:36:16,525 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:36:16,525 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2018-11-18 15:36:16,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 15:36:16,526 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:36:16,526 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:36:16,526 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 15:36:16,527 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:36:16,527 INFO L82 PathProgramCache]: Analyzing trace with hash 919615956, now seen corresponding path program 1 times [2018-11-18 15:36:16,527 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:36:16,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:36:16,528 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:36:16,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:36:16,528 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:36:16,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:36:16,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:36:16,543 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 15:36:16,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 03:36:16 BoogieIcfgContainer [2018-11-18 15:36:16,557 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 15:36:16,557 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:36:16,557 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:36:16,557 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:36:16,558 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:36:14" (3/4) ... [2018-11-18 15:36:16,559 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 15:36:16,584 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_39ec212b-acc5-4344-93e7-26b6b6249986/bin-2019/utaipan/witness.graphml [2018-11-18 15:36:16,585 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:36:16,585 INFO L168 Benchmark]: Toolchain (without parser) took 2419.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 953.8 MB in the beginning and 1.0 GB in the end (delta: -55.1 MB). Peak memory consumption was 50.3 MB. Max. memory is 11.5 GB. [2018-11-18 15:36:16,586 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:36:16,587 INFO L168 Benchmark]: CACSL2BoogieTranslator took 191.68 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 943.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:36:16,587 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.09 ms. Allocated memory is still 1.0 GB. Free memory is still 943.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:36:16,587 INFO L168 Benchmark]: Boogie Preprocessor took 21.04 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:36:16,588 INFO L168 Benchmark]: RCFGBuilder took 342.30 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -150.2 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:36:16,588 INFO L168 Benchmark]: TraceAbstraction took 1816.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 79.0 MB). Peak memory consumption was 79.0 MB. Max. memory is 11.5 GB. [2018-11-18 15:36:16,589 INFO L168 Benchmark]: Witness Printer took 27.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:36:16,591 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 191.68 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 943.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.09 ms. Allocated memory is still 1.0 GB. Free memory is still 943.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.04 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 342.30 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -150.2 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1816.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 79.0 MB). Peak memory consumption was 79.0 MB. Max. memory is 11.5 GB. * Witness Printer took 27.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 30]: integer overflow possible integer overflow possible We found a FailurePath: [L13] int a, b; [L14] a = __VERIFIER_nondet_int() [L15] b = __VERIFIER_nondet_int() [L16] COND TRUE a < 30 VAL [a=-2147483639, b=-2147483639] [L17] COND FALSE !(b < a) VAL [a=-2147483639, b=-2147483639] [L29] EXPR a + 2 [L29] a = a + 2 VAL [a=-2147483637, b=-2147483639] [L30] b - 10 VAL [a=-2147483637, b=-2147483639] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 40 locations, 12 error locations. UNSAFE Result, 1.7s OverallTime, 8 OverallIterations, 1 TraceHistogramMax, 1.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 184 SDtfs, 107 SDslu, 82 SDs, 0 SdLazy, 154 SolverSat, 34 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 24 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 69 ConstructedInterpolants, 0 QuantifiedInterpolants, 1543 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...