./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.22_false-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8804e0b7-6bdb-40d3-ad53-d9aa8a3a05ea/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8804e0b7-6bdb-40d3-ad53-d9aa8a3a05ea/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8804e0b7-6bdb-40d3-ad53-d9aa8a3a05ea/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8804e0b7-6bdb-40d3-ad53-d9aa8a3a05ea/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.22_false-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8804e0b7-6bdb-40d3-ad53-d9aa8a3a05ea/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8804e0b7-6bdb-40d3-ad53-d9aa8a3a05ea/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8b6afe20c2dca459418f82abcc5ff6699539f1e9 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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-aa41828 [2018-11-23 14:16:27,411 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 14:16:27,412 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 14:16:27,419 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 14:16:27,419 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 14:16:27,420 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 14:16:27,421 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 14:16:27,422 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 14:16:27,423 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 14:16:27,424 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 14:16:27,424 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 14:16:27,424 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 14:16:27,425 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 14:16:27,426 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 14:16:27,426 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 14:16:27,427 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 14:16:27,427 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 14:16:27,428 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 14:16:27,429 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 14:16:27,430 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 14:16:27,431 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 14:16:27,432 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 14:16:27,433 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 14:16:27,433 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 14:16:27,434 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 14:16:27,434 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 14:16:27,435 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 14:16:27,435 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 14:16:27,436 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 14:16:27,436 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 14:16:27,437 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 14:16:27,437 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 14:16:27,437 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 14:16:27,437 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 14:16:27,438 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 14:16:27,439 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 14:16:27,439 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8804e0b7-6bdb-40d3-ad53-d9aa8a3a05ea/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-23 14:16:27,447 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 14:16:27,447 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 14:16:27,448 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 14:16:27,448 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 14:16:27,448 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 14:16:27,449 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 14:16:27,449 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 14:16:27,449 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 14:16:27,449 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 14:16:27,449 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 14:16:27,449 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 14:16:27,449 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 14:16:27,450 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 14:16:27,450 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-23 14:16:27,450 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 14:16:27,450 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 14:16:27,450 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 14:16:27,450 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 14:16:27,450 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 14:16:27,450 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 14:16:27,451 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 14:16:27,451 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 14:16:27,451 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 14:16:27,451 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 14:16:27,451 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 14:16:27,451 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 14:16:27,451 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 14:16:27,452 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 14:16:27,452 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_8804e0b7-6bdb-40d3-ad53-d9aa8a3a05ea/bin-2019/ukojak 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 -> Kojak 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 -> 8b6afe20c2dca459418f82abcc5ff6699539f1e9 [2018-11-23 14:16:27,475 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 14:16:27,484 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 14:16:27,487 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 14:16:27,488 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 14:16:27,488 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 14:16:27,489 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8804e0b7-6bdb-40d3-ad53-d9aa8a3a05ea/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.22_false-no-overflow.c [2018-11-23 14:16:27,533 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8804e0b7-6bdb-40d3-ad53-d9aa8a3a05ea/bin-2019/ukojak/data/56803eb23/7b285327ca3c455aade7dc70facb7f8c/FLAGdc6811a03 [2018-11-23 14:16:27,934 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 14:16:27,934 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8804e0b7-6bdb-40d3-ad53-d9aa8a3a05ea/sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.22_false-no-overflow.c [2018-11-23 14:16:27,938 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8804e0b7-6bdb-40d3-ad53-d9aa8a3a05ea/bin-2019/ukojak/data/56803eb23/7b285327ca3c455aade7dc70facb7f8c/FLAGdc6811a03 [2018-11-23 14:16:27,949 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8804e0b7-6bdb-40d3-ad53-d9aa8a3a05ea/bin-2019/ukojak/data/56803eb23/7b285327ca3c455aade7dc70facb7f8c [2018-11-23 14:16:27,952 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 14:16:27,953 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 14:16:27,953 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 14:16:27,953 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 14:16:27,955 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 14:16:27,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:16:27" (1/1) ... [2018-11-23 14:16:27,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60f004d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:27, skipping insertion in model container [2018-11-23 14:16:27,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:16:27" (1/1) ... [2018-11-23 14:16:27,964 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 14:16:27,977 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 14:16:28,082 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:16:28,085 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 14:16:28,094 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:16:28,103 INFO L195 MainTranslator]: Completed translation [2018-11-23 14:16:28,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:28 WrapperNode [2018-11-23 14:16:28,103 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 14:16:28,104 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 14:16:28,104 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 14:16:28,104 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 14:16:28,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:28" (1/1) ... [2018-11-23 14:16:28,112 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:28" (1/1) ... [2018-11-23 14:16:28,122 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 14:16:28,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 14:16:28,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 14:16:28,123 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 14:16:28,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:28" (1/1) ... [2018-11-23 14:16:28,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:28" (1/1) ... [2018-11-23 14:16:28,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:28" (1/1) ... [2018-11-23 14:16:28,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:28" (1/1) ... [2018-11-23 14:16:28,130 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:28" (1/1) ... [2018-11-23 14:16:28,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:28" (1/1) ... [2018-11-23 14:16:28,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:28" (1/1) ... [2018-11-23 14:16:28,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 14:16:28,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 14:16:28,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 14:16:28,134 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 14:16:28,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:16:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8804e0b7-6bdb-40d3-ad53-d9aa8a3a05ea/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-11-23 14:16:28,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 14:16:28,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 14:16:28,308 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 14:16:28,308 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-11-23 14:16:28,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:16:28 BoogieIcfgContainer [2018-11-23 14:16:28,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 14:16:28,309 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 14:16:28,309 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 14:16:28,315 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 14:16:28,315 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:16:28" (1/1) ... [2018-11-23 14:16:28,323 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:16:28,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 14:16:28,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2018-11-23 14:16:28,346 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2018-11-23 14:16:28,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-23 14:16:28,348 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 14:16:28,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 14:16:28,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 14:16:28,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 14:16:28,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 14:16:28,424 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet4, main_#t~short3, main_~x~0, main_~y~0, main_~oldy~0;havoc main_~x~0;havoc main_~y~0;havoc main_~oldy~0;assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;assume -2147483648 <= main_#t~nondet2 && main_#t~nondet2 <= 2147483647;main_~oldy~0 := main_#t~nondet2;havoc main_#t~nondet2; VAL [ULTIMATE.start_main_~oldy~0=(- 2147483648), ULTIMATE.start_main_~x~0=1, ULTIMATE.start_main_~y~0=0] [?] main_#t~short3 := main_~x~0 > 0; VAL [ULTIMATE.start_main_~oldy~0=(- 2147483648), ULTIMATE.start_main_~x~0=1, ULTIMATE.start_main_~y~0=0, |ULTIMATE.start_main_#t~short3|=true] [?] assume main_#t~short3; VAL [ULTIMATE.start_main_~oldy~0=(- 2147483648), ULTIMATE.start_main_~x~0=1, ULTIMATE.start_main_~y~0=0, |ULTIMATE.start_main_#t~short3|=true] [?] assume !(-main_~oldy~0 <= 2147483647); VAL [ULTIMATE.start_main_~oldy~0=(- 2147483648), ULTIMATE.start_main_~x~0=1, ULTIMATE.start_main_~y~0=0, |ULTIMATE.start_main_#t~short3|=true] [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet4, main_#t~short3, main_~x~0, main_~y~0, main_~oldy~0; [L23] havoc main_~x~0; [L23] havoc main_~y~0; [L23] havoc main_~oldy~0; [L24] assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647; [L24] main_~x~0 := main_#t~nondet0; [L24] havoc main_#t~nondet0; [L25] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; [L25] main_~y~0 := main_#t~nondet1; [L25] havoc main_#t~nondet1; [L26] assume -2147483648 <= main_#t~nondet2 && main_#t~nondet2 <= 2147483647; [L26] main_~oldy~0 := main_#t~nondet2; [L26] havoc main_#t~nondet2; VAL [main_~oldy~0=-2147483648, main_~x~0=1, main_~y~0=0] [L27] main_#t~short3 := main_~x~0 > 0; VAL [main_#t~short3=true, main_~oldy~0=-2147483648, main_~x~0=1, main_~y~0=0] [L27] assume main_#t~short3; VAL [main_#t~short3=true, main_~oldy~0=-2147483648, main_~x~0=1, main_~y~0=0] [L27] assert -main_~oldy~0 <= 2147483647; VAL [main_#t~short3=true, main_~oldy~0=-2147483648, main_~x~0=1, main_~y~0=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet4, main_#t~short3, main_~x~0, main_~y~0, main_~oldy~0; [L23] havoc main_~x~0; [L23] havoc main_~y~0; [L23] havoc main_~oldy~0; [L24] assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647; [L24] main_~x~0 := main_#t~nondet0; [L24] havoc main_#t~nondet0; [L25] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; [L25] main_~y~0 := main_#t~nondet1; [L25] havoc main_#t~nondet1; [L26] assume -2147483648 <= main_#t~nondet2 && main_#t~nondet2 <= 2147483647; [L26] main_~oldy~0 := main_#t~nondet2; [L26] havoc main_#t~nondet2; VAL [main_~oldy~0=-2147483648, main_~x~0=1, main_~y~0=0] [L27] main_#t~short3 := main_~x~0 > 0; VAL [main_#t~short3=true, main_~oldy~0=-2147483648, main_~x~0=1, main_~y~0=0] [L27] assume main_#t~short3; VAL [main_#t~short3=true, main_~oldy~0=-2147483648, main_~x~0=1, main_~y~0=0] [L27] assert -main_~oldy~0 <= 2147483647; VAL [main_#t~short3=true, main_~oldy~0=-2147483648, main_~x~0=1, main_~y~0=0] [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet4, main_#t~short3, main_~x~0, main_~y~0, main_~oldy~0; [L23] havoc main_~x~0; [L23] havoc main_~y~0; [L23] havoc main_~oldy~0; [L24] assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647; [L24] main_~x~0 := main_#t~nondet0; [L24] havoc main_#t~nondet0; [L25] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; [L25] main_~y~0 := main_#t~nondet1; [L25] havoc main_#t~nondet1; [L26] assume -2147483648 <= main_#t~nondet2 && main_#t~nondet2 <= 2147483647; [L26] main_~oldy~0 := main_#t~nondet2; [L26] havoc main_#t~nondet2; VAL [main_~oldy~0=-2147483648, main_~x~0=1, main_~y~0=0] [L27] main_#t~short3 := main_~x~0 > 0; VAL [main_#t~short3=true, main_~oldy~0=-2147483648, main_~x~0=1, main_~y~0=0] [L27] COND TRUE main_#t~short3 VAL [main_#t~short3=true, main_~oldy~0=-2147483648, main_~x~0=1, main_~y~0=0] [L27] assert -main_~oldy~0 <= 2147483647; VAL [main_#t~short3=true, main_~oldy~0=-2147483648, main_~x~0=1, main_~y~0=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet4, main_#t~short3, main_~x~0, main_~y~0, main_~oldy~0; [L23] havoc main_~x~0; [L23] havoc main_~y~0; [L23] havoc main_~oldy~0; [L24] assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647; [L24] main_~x~0 := main_#t~nondet0; [L24] havoc main_#t~nondet0; [L25] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; [L25] main_~y~0 := main_#t~nondet1; [L25] havoc main_#t~nondet1; [L26] assume -2147483648 <= main_#t~nondet2 && main_#t~nondet2 <= 2147483647; [L26] main_~oldy~0 := main_#t~nondet2; [L26] havoc main_#t~nondet2; VAL [main_~oldy~0=-2147483648, main_~x~0=1, main_~y~0=0] [L27] main_#t~short3 := main_~x~0 > 0; VAL [main_#t~short3=true, main_~oldy~0=-2147483648, main_~x~0=1, main_~y~0=0] [L27] COND TRUE main_#t~short3 VAL [main_#t~short3=true, main_~oldy~0=-2147483648, main_~x~0=1, main_~y~0=0] [L27] assert -main_~oldy~0 <= 2147483647; VAL [main_#t~short3=true, main_~oldy~0=-2147483648, main_~x~0=1, main_~y~0=0] [L23] havoc ~x~0; [L23] havoc ~y~0; [L23] havoc ~oldy~0; [L24] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; [L24] ~x~0 := #t~nondet0; [L24] havoc #t~nondet0; [L25] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; [L25] ~y~0 := #t~nondet1; [L25] havoc #t~nondet1; [L26] assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; [L26] ~oldy~0 := #t~nondet2; [L26] havoc #t~nondet2; [L27] #t~short3 := ~x~0 > 0; [L27] COND TRUE #t~short3 [L27] assert -~oldy~0 <= 2147483647; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L23] havoc ~x~0; [L23] havoc ~y~0; [L23] havoc ~oldy~0; [L24] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; [L24] ~x~0 := #t~nondet0; [L24] havoc #t~nondet0; [L25] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; [L25] ~y~0 := #t~nondet1; [L25] havoc #t~nondet1; [L26] assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; [L26] ~oldy~0 := #t~nondet2; [L26] havoc #t~nondet2; [L27] #t~short3 := ~x~0 > 0; [L27] COND TRUE #t~short3 [L27] assert -~oldy~0 <= 2147483647; [L23] int x, y, oldy; [L24] x = __VERIFIER_nondet_int() [L25] y = __VERIFIER_nondet_int() [L26] oldy = __VERIFIER_nondet_int() [L27] x > 0 && y <= -oldy [L27] -oldy ----- [2018-11-23 14:16:28,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 02:16:28 ImpRootNode [2018-11-23 14:16:28,443 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 14:16:28,443 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 14:16:28,444 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 14:16:28,444 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 14:16:28,444 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:16:28" (3/4) ... [2018-11-23 14:16:28,446 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet4, main_#t~short3, main_~x~0, main_~y~0, main_~oldy~0;havoc main_~x~0;havoc main_~y~0;havoc main_~oldy~0;assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;assume -2147483648 <= main_#t~nondet2 && main_#t~nondet2 <= 2147483647;main_~oldy~0 := main_#t~nondet2;havoc main_#t~nondet2; VAL [ULTIMATE.start_main_~oldy~0=(- 2147483648), ULTIMATE.start_main_~x~0=1, ULTIMATE.start_main_~y~0=0] [?] main_#t~short3 := main_~x~0 > 0; VAL [ULTIMATE.start_main_~oldy~0=(- 2147483648), ULTIMATE.start_main_~x~0=1, ULTIMATE.start_main_~y~0=0, |ULTIMATE.start_main_#t~short3|=true] [?] assume main_#t~short3; VAL [ULTIMATE.start_main_~oldy~0=(- 2147483648), ULTIMATE.start_main_~x~0=1, ULTIMATE.start_main_~y~0=0, |ULTIMATE.start_main_#t~short3|=true] [?] assume !(-main_~oldy~0 <= 2147483647); VAL [ULTIMATE.start_main_~oldy~0=(- 2147483648), ULTIMATE.start_main_~x~0=1, ULTIMATE.start_main_~y~0=0, |ULTIMATE.start_main_#t~short3|=true] [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet4, main_#t~short3, main_~x~0, main_~y~0, main_~oldy~0; [L23] havoc main_~x~0; [L23] havoc main_~y~0; [L23] havoc main_~oldy~0; [L24] assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647; [L24] main_~x~0 := main_#t~nondet0; [L24] havoc main_#t~nondet0; [L25] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; [L25] main_~y~0 := main_#t~nondet1; [L25] havoc main_#t~nondet1; [L26] assume -2147483648 <= main_#t~nondet2 && main_#t~nondet2 <= 2147483647; [L26] main_~oldy~0 := main_#t~nondet2; [L26] havoc main_#t~nondet2; VAL [main_~oldy~0=-2147483648, main_~x~0=1, main_~y~0=0] [L27] main_#t~short3 := main_~x~0 > 0; VAL [main_#t~short3=true, main_~oldy~0=-2147483648, main_~x~0=1, main_~y~0=0] [L27] assume main_#t~short3; VAL [main_#t~short3=true, main_~oldy~0=-2147483648, main_~x~0=1, main_~y~0=0] [L27] assert -main_~oldy~0 <= 2147483647; VAL [main_#t~short3=true, main_~oldy~0=-2147483648, main_~x~0=1, main_~y~0=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet4, main_#t~short3, main_~x~0, main_~y~0, main_~oldy~0; [L23] havoc main_~x~0; [L23] havoc main_~y~0; [L23] havoc main_~oldy~0; [L24] assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647; [L24] main_~x~0 := main_#t~nondet0; [L24] havoc main_#t~nondet0; [L25] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; [L25] main_~y~0 := main_#t~nondet1; [L25] havoc main_#t~nondet1; [L26] assume -2147483648 <= main_#t~nondet2 && main_#t~nondet2 <= 2147483647; [L26] main_~oldy~0 := main_#t~nondet2; [L26] havoc main_#t~nondet2; VAL [main_~oldy~0=-2147483648, main_~x~0=1, main_~y~0=0] [L27] main_#t~short3 := main_~x~0 > 0; VAL [main_#t~short3=true, main_~oldy~0=-2147483648, main_~x~0=1, main_~y~0=0] [L27] assume main_#t~short3; VAL [main_#t~short3=true, main_~oldy~0=-2147483648, main_~x~0=1, main_~y~0=0] [L27] assert -main_~oldy~0 <= 2147483647; VAL [main_#t~short3=true, main_~oldy~0=-2147483648, main_~x~0=1, main_~y~0=0] [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet4, main_#t~short3, main_~x~0, main_~y~0, main_~oldy~0; [L23] havoc main_~x~0; [L23] havoc main_~y~0; [L23] havoc main_~oldy~0; [L24] assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647; [L24] main_~x~0 := main_#t~nondet0; [L24] havoc main_#t~nondet0; [L25] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; [L25] main_~y~0 := main_#t~nondet1; [L25] havoc main_#t~nondet1; [L26] assume -2147483648 <= main_#t~nondet2 && main_#t~nondet2 <= 2147483647; [L26] main_~oldy~0 := main_#t~nondet2; [L26] havoc main_#t~nondet2; VAL [main_~oldy~0=-2147483648, main_~x~0=1, main_~y~0=0] [L27] main_#t~short3 := main_~x~0 > 0; VAL [main_#t~short3=true, main_~oldy~0=-2147483648, main_~x~0=1, main_~y~0=0] [L27] COND TRUE main_#t~short3 VAL [main_#t~short3=true, main_~oldy~0=-2147483648, main_~x~0=1, main_~y~0=0] [L27] assert -main_~oldy~0 <= 2147483647; VAL [main_#t~short3=true, main_~oldy~0=-2147483648, main_~x~0=1, main_~y~0=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet4, main_#t~short3, main_~x~0, main_~y~0, main_~oldy~0; [L23] havoc main_~x~0; [L23] havoc main_~y~0; [L23] havoc main_~oldy~0; [L24] assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647; [L24] main_~x~0 := main_#t~nondet0; [L24] havoc main_#t~nondet0; [L25] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; [L25] main_~y~0 := main_#t~nondet1; [L25] havoc main_#t~nondet1; [L26] assume -2147483648 <= main_#t~nondet2 && main_#t~nondet2 <= 2147483647; [L26] main_~oldy~0 := main_#t~nondet2; [L26] havoc main_#t~nondet2; VAL [main_~oldy~0=-2147483648, main_~x~0=1, main_~y~0=0] [L27] main_#t~short3 := main_~x~0 > 0; VAL [main_#t~short3=true, main_~oldy~0=-2147483648, main_~x~0=1, main_~y~0=0] [L27] COND TRUE main_#t~short3 VAL [main_#t~short3=true, main_~oldy~0=-2147483648, main_~x~0=1, main_~y~0=0] [L27] assert -main_~oldy~0 <= 2147483647; VAL [main_#t~short3=true, main_~oldy~0=-2147483648, main_~x~0=1, main_~y~0=0] [L23] havoc ~x~0; [L23] havoc ~y~0; [L23] havoc ~oldy~0; [L24] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; [L24] ~x~0 := #t~nondet0; [L24] havoc #t~nondet0; [L25] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; [L25] ~y~0 := #t~nondet1; [L25] havoc #t~nondet1; [L26] assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; [L26] ~oldy~0 := #t~nondet2; [L26] havoc #t~nondet2; [L27] #t~short3 := ~x~0 > 0; [L27] COND TRUE #t~short3 [L27] assert -~oldy~0 <= 2147483647; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L23] havoc ~x~0; [L23] havoc ~y~0; [L23] havoc ~oldy~0; [L24] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; [L24] ~x~0 := #t~nondet0; [L24] havoc #t~nondet0; [L25] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; [L25] ~y~0 := #t~nondet1; [L25] havoc #t~nondet1; [L26] assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; [L26] ~oldy~0 := #t~nondet2; [L26] havoc #t~nondet2; [L27] #t~short3 := ~x~0 > 0; [L27] COND TRUE #t~short3 [L27] assert -~oldy~0 <= 2147483647; [L23] int x, y, oldy; [L24] x = __VERIFIER_nondet_int() [L25] y = __VERIFIER_nondet_int() [L26] oldy = __VERIFIER_nondet_int() [L27] x > 0 && y <= -oldy [L27] -oldy ----- [2018-11-23 14:16:28,478 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8804e0b7-6bdb-40d3-ad53-d9aa8a3a05ea/bin-2019/ukojak/witness.graphml [2018-11-23 14:16:28,479 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 14:16:28,479 INFO L168 Benchmark]: Toolchain (without parser) took 527.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 961.9 MB in the beginning and 1.1 GB in the end (delta: -142.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:16:28,480 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:16:28,481 INFO L168 Benchmark]: CACSL2BoogieTranslator took 150.58 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 951.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 14:16:28,481 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.63 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 945.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 14:16:28,482 INFO L168 Benchmark]: Boogie Preprocessor took 11.03 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:16:28,482 INFO L168 Benchmark]: RCFGBuilder took 174.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -171.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-23 14:16:28,482 INFO L168 Benchmark]: CodeCheck took 134.54 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-23 14:16:28,483 INFO L168 Benchmark]: Witness Printer took 35.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:16:28,485 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 12 locations, 2 error locations. UNSAFE Result, 0.0s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 27]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int x, y, oldy; [L24] x = __VERIFIER_nondet_int() [L25] y = __VERIFIER_nondet_int() [L26] oldy = __VERIFIER_nondet_int() [L27] x > 0 && y <= -oldy [L27] -oldy * 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 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 150.58 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 951.2 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 18.63 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 945.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.03 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 174.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -171.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * CodeCheck took 134.54 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: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Witness Printer took 35.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...