./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig7_false-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e2170ac4-713c-4363-bdf5-ca07aa7a8a9a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e2170ac4-713c-4363-bdf5-ca07aa7a8a9a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e2170ac4-713c-4363-bdf5-ca07aa7a8a9a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e2170ac4-713c-4363-bdf5-ca07aa7a8a9a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig7_false-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e2170ac4-713c-4363-bdf5-ca07aa7a8a9a/bin-2019/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e2170ac4-713c-4363-bdf5-ca07aa7a8a9a/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 37ba15a5b7fc1a339cbacfeb4acf8c9c191c1398 ............................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.23-1dbac8b [2018-10-27 05:46:32,247 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:46:32,249 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:46:32,258 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:46:32,258 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:46:32,259 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:46:32,260 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:46:32,262 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:46:32,263 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:46:32,264 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:46:32,265 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:46:32,265 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:46:32,266 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:46:32,267 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:46:32,268 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:46:32,268 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:46:32,270 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:46:32,271 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:46:32,273 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:46:32,274 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:46:32,275 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:46:32,277 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:46:32,279 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:46:32,279 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:46:32,279 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:46:32,280 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:46:32,281 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:46:32,282 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:46:32,283 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:46:32,284 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:46:32,284 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:46:32,285 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:46:32,285 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:46:32,286 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:46:32,286 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:46:32,287 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:46:32,287 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e2170ac4-713c-4363-bdf5-ca07aa7a8a9a/bin-2019/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf [2018-10-27 05:46:32,300 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:46:32,300 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:46:32,301 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:46:32,301 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 05:46:32,301 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 05:46:32,301 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 05:46:32,302 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 05:46:32,302 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 05:46:32,302 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 05:46:32,302 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 05:46:32,302 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 05:46:32,303 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:46:32,303 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 05:46:32,303 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 05:46:32,303 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:46:32,304 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:46:32,304 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:46:32,304 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:46:32,304 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-10-27 05:46:32,306 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:46:32,306 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:46:32,306 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:46:32,306 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:46:32,306 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:46:32,307 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:46:32,307 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:46:32,308 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:46:32,308 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:46:32,308 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:46:32,308 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 05:46:32,308 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:46:32,308 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 05:46:32,308 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 05:46:32,309 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_e2170ac4-713c-4363-bdf5-ca07aa7a8a9a/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 -> 37ba15a5b7fc1a339cbacfeb4acf8c9c191c1398 [2018-10-27 05:46:32,342 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:46:32,352 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:46:32,358 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:46:32,360 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:46:32,360 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:46:32,361 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e2170ac4-713c-4363-bdf5-ca07aa7a8a9a/bin-2019/utaipan/../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig7_false-no-overflow.c [2018-10-27 05:46:32,421 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e2170ac4-713c-4363-bdf5-ca07aa7a8a9a/bin-2019/utaipan/data/b9bf2c4f0/e77d3be37f284eeda8281c0739f75a7e/FLAG2aa88615a [2018-10-27 05:46:32,783 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:46:32,783 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e2170ac4-713c-4363-bdf5-ca07aa7a8a9a/sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig7_false-no-overflow.c [2018-10-27 05:46:32,791 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e2170ac4-713c-4363-bdf5-ca07aa7a8a9a/bin-2019/utaipan/data/b9bf2c4f0/e77d3be37f284eeda8281c0739f75a7e/FLAG2aa88615a [2018-10-27 05:46:32,806 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e2170ac4-713c-4363-bdf5-ca07aa7a8a9a/bin-2019/utaipan/data/b9bf2c4f0/e77d3be37f284eeda8281c0739f75a7e [2018-10-27 05:46:32,809 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:46:32,811 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:46:32,812 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:46:32,812 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:46:32,815 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:46:32,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:46:32" (1/1) ... [2018-10-27 05:46:32,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3887c026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:46:32, skipping insertion in model container [2018-10-27 05:46:32,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:46:32" (1/1) ... [2018-10-27 05:46:32,829 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:46:32,845 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:46:33,034 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:46:33,037 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:46:33,058 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:46:33,081 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:46:33,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:46:33 WrapperNode [2018-10-27 05:46:33,082 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:46:33,083 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:46:33,083 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:46:33,083 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:46:33,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:46:33" (1/1) ... [2018-10-27 05:46:33,102 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:46:33" (1/1) ... [2018-10-27 05:46:33,123 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:46:33,124 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:46:33,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:46:33,125 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:46:33,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:46:33" (1/1) ... [2018-10-27 05:46:33,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:46:33" (1/1) ... [2018-10-27 05:46:33,136 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:46:33" (1/1) ... [2018-10-27 05:46:33,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:46:33" (1/1) ... [2018-10-27 05:46:33,141 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:46:33" (1/1) ... [2018-10-27 05:46:33,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:46:33" (1/1) ... [2018-10-27 05:46:33,147 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:46:33" (1/1) ... [2018-10-27 05:46:33,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:46:33,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:46:33,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:46:33,150 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:46:33,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:46:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e2170ac4-713c-4363-bdf5-ca07aa7a8a9a/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 [2018-10-27 05:46:33,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 05:46:33,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 05:46:33,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:46:33,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:46:33,291 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 05:46:33,291 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 05:46:33,700 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:46:33,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:46:33 BoogieIcfgContainer [2018-10-27 05:46:33,701 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 05:46:33,702 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 05:46:33,702 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 05:46:33,705 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 05:46:33,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 05:46:32" (1/3) ... [2018-10-27 05:46:33,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60091dc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:46:33, skipping insertion in model container [2018-10-27 05:46:33,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:46:33" (2/3) ... [2018-10-27 05:46:33,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60091dc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:46:33, skipping insertion in model container [2018-10-27 05:46:33,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:46:33" (3/3) ... [2018-10-27 05:46:33,709 INFO L112 eAbstractionObserver]: Analyzing ICFG HeizmannHoenickeLeikePodelski-ATVA2013-Fig7_false-no-overflow.c [2018-10-27 05:46:33,718 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 05:46:33,724 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-10-27 05:46:33,736 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2018-10-27 05:46:33,763 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 05:46:33,763 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 05:46:33,763 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 05:46:33,763 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 05:46:33,763 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 05:46:33,763 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 05:46:33,763 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 05:46:33,764 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 05:46:33,779 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2018-10-27 05:46:33,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-27 05:46:33,784 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:46:33,785 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 05:46:33,787 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-10-27 05:46:33,800 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:46:33,801 INFO L82 PathProgramCache]: Analyzing trace with hash -700647694, now seen corresponding path program 1 times [2018-10-27 05:46:33,802 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 05:46:33,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:46:33,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:46:33,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:46:33,848 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 05:46:33,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:46:34,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:46:34,017 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 05:46:34,018 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 05:46:34,018 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 05:46:34,021 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 05:46:34,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 05:46:34,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 05:46:34,033 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 5 states. [2018-10-27 05:46:34,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 05:46:34,187 INFO L93 Difference]: Finished difference Result 35 states and 39 transitions. [2018-10-27 05:46:34,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 05:46:34,189 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2018-10-27 05:46:34,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 05:46:34,198 INFO L225 Difference]: With dead ends: 35 [2018-10-27 05:46:34,198 INFO L226 Difference]: Without dead ends: 19 [2018-10-27 05:46:34,201 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-27 05:46:34,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2018-10-27 05:46:34,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 17. [2018-10-27 05:46:34,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-10-27 05:46:34,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2018-10-27 05:46:34,234 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 11 [2018-10-27 05:46:34,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 05:46:34,234 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2018-10-27 05:46:34,234 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 05:46:34,234 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2018-10-27 05:46:34,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-27 05:46:34,235 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:46:34,235 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 05:46:34,235 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-10-27 05:46:34,236 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:46:34,236 INFO L82 PathProgramCache]: Analyzing trace with hash -245241976, now seen corresponding path program 1 times [2018-10-27 05:46:34,236 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 05:46:34,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:46:34,237 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:46:34,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:46:34,237 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 05:46:34,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:46:34,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:46:34,301 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 05:46:34,301 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-27 05:46:34,301 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 05:46:34,302 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 05:46:34,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 05:46:34,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 05:46:34,303 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand 3 states. [2018-10-27 05:46:34,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 05:46:34,421 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2018-10-27 05:46:34,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 05:46:34,422 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-10-27 05:46:34,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 05:46:34,422 INFO L225 Difference]: With dead ends: 27 [2018-10-27 05:46:34,422 INFO L226 Difference]: Without dead ends: 26 [2018-10-27 05:46:34,423 INFO L605 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 [2018-10-27 05:46:34,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-10-27 05:46:34,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 22. [2018-10-27 05:46:34,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-10-27 05:46:34,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2018-10-27 05:46:34,430 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 12 [2018-10-27 05:46:34,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 05:46:34,430 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2018-10-27 05:46:34,430 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 05:46:34,430 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2018-10-27 05:46:34,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-27 05:46:34,431 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:46:34,431 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 05:46:34,436 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-10-27 05:46:34,437 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:46:34,437 INFO L82 PathProgramCache]: Analyzing trace with hash 987433396, now seen corresponding path program 1 times [2018-10-27 05:46:34,437 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 05:46:34,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:46:34,438 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:46:34,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:46:34,438 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 05:46:34,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 05:46:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 05:46:34,495 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-27 05:46:34,506 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:46:34,507 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:46:34,507 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:46:34,507 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:46:34,508 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:46:34,508 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:46:34,508 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:46:34,508 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:46:34,509 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:46:34,509 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:46:34,509 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:46:34,510 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:46:34,510 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:46:34,510 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:46:34,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 05:46:34 BoogieIcfgContainer [2018-10-27 05:46:34,522 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 05:46:34,522 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 05:46:34,522 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 05:46:34,523 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 05:46:34,523 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:46:33" (3/4) ... [2018-10-27 05:46:34,526 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-27 05:46:34,527 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:46:34,527 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:46:34,527 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:46:34,527 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:46:34,528 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:46:34,528 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:46:34,528 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:46:34,528 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:46:34,529 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:46:34,529 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:46:34,529 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:46:34,529 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:46:34,530 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:46:34,530 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 05:46:34,571 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e2170ac4-713c-4363-bdf5-ca07aa7a8a9a/bin-2019/utaipan/witness.graphml [2018-10-27 05:46:34,571 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 05:46:34,572 INFO L168 Benchmark]: Toolchain (without parser) took 1761.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -132.7 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2018-10-27 05:46:34,573 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:46:34,573 INFO L168 Benchmark]: CACSL2BoogieTranslator took 270.47 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-27 05:46:34,574 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.57 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 946.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 05:46:34,575 INFO L168 Benchmark]: Boogie Preprocessor took 25.13 ms. Allocated memory is still 1.0 GB. Free memory is still 946.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:46:34,575 INFO L168 Benchmark]: RCFGBuilder took 551.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -189.0 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2018-10-27 05:46:34,576 INFO L168 Benchmark]: TraceAbstraction took 820.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2018-10-27 05:46:34,576 INFO L168 Benchmark]: Witness Printer took 48.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 05:46:34,579 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 270.47 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 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 41.57 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 946.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.13 ms. Allocated memory is still 1.0 GB. Free memory is still 946.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 551.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -189.0 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 820.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. * Witness Printer took 48.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 23]: integer overflow possible integer overflow possible We found a FailurePath: [L12] int a_length = __VERIFIER_nondet_int(); [L13] COND FALSE !(a_length < 1) [L16] CALL int a[a_length]; [L16] RET int a[a_length]; [L17] int offset = 1; [L18] int i = 0; [L19] COND TRUE i < a_length [L20] CALL, EXPR a[i] [L20] RET, EXPR a[i] [L20] COND FALSE !(a[i] < 0) [L23] EXPR i + offset [L23] CALL, EXPR a[i] [L23] RET, EXPR a[i] [L23] i + offset + a[i] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 23 locations, 4 error locations. UNSAFE Result, 0.7s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 25 SDtfs, 50 SDslu, 38 SDs, 0 SdLazy, 31 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, 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, 2 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 731 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...