./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-Fig2a_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_823f4f61-73af-4b4e-b52d-6385fe3bd8cb/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_823f4f61-73af-4b4e-b52d-6385fe3bd8cb/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_823f4f61-73af-4b4e-b52d-6385fe3bd8cb/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_823f4f61-73af-4b4e-b52d-6385fe3bd8cb/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-Fig2a_false-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_823f4f61-73af-4b4e-b52d-6385fe3bd8cb/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_823f4f61-73af-4b4e-b52d-6385fe3bd8cb/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 7b8d2b598ac3326e286016998f443939dfd4be1d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 [2018-11-22 22:49:02,271 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 22:49:02,272 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 22:49:02,279 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 22:49:02,279 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 22:49:02,279 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 22:49:02,280 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 22:49:02,281 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 22:49:02,282 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 22:49:02,282 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 22:49:02,283 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 22:49:02,283 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 22:49:02,283 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 22:49:02,284 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 22:49:02,284 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 22:49:02,285 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 22:49:02,285 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 22:49:02,286 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 22:49:02,288 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 22:49:02,288 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 22:49:02,289 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 22:49:02,290 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 22:49:02,292 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 22:49:02,292 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 22:49:02,292 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 22:49:02,293 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 22:49:02,293 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 22:49:02,294 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 22:49:02,294 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 22:49:02,295 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 22:49:02,295 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 22:49:02,296 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 22:49:02,296 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 22:49:02,296 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 22:49:02,297 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 22:49:02,297 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 22:49:02,298 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_823f4f61-73af-4b4e-b52d-6385fe3bd8cb/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-22 22:49:02,306 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 22:49:02,306 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 22:49:02,307 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 22:49:02,307 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-22 22:49:02,308 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 22:49:02,308 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 22:49:02,308 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 22:49:02,308 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-22 22:49:02,309 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 22:49:02,309 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 22:49:02,309 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 22:49:02,309 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 22:49:02,309 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 22:49:02,310 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-22 22:49:02,310 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 22:49:02,310 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 22:49:02,310 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 22:49:02,310 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-22 22:49:02,310 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-22 22:49:02,310 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 22:49:02,312 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 22:49:02,312 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-22 22:49:02,312 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 22:49:02,312 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 22:49:02,312 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 22:49:02,312 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-22 22:49:02,313 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 22:49:02,313 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 22:49:02,313 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_823f4f61-73af-4b4e-b52d-6385fe3bd8cb/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 -> 7b8d2b598ac3326e286016998f443939dfd4be1d [2018-11-22 22:49:02,338 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 22:49:02,347 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 22:49:02,350 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 22:49:02,351 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 22:49:02,351 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 22:49:02,352 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_823f4f61-73af-4b4e-b52d-6385fe3bd8cb/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-Fig2a_false-no-overflow.c [2018-11-22 22:49:02,398 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_823f4f61-73af-4b4e-b52d-6385fe3bd8cb/bin-2019/ukojak/data/53e40f9f0/e036f93959324137aae98e12d9bcb616/FLAGbce2b5ded [2018-11-22 22:49:02,741 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 22:49:02,742 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_823f4f61-73af-4b4e-b52d-6385fe3bd8cb/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-Fig2a_false-no-overflow.c [2018-11-22 22:49:02,746 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_823f4f61-73af-4b4e-b52d-6385fe3bd8cb/bin-2019/ukojak/data/53e40f9f0/e036f93959324137aae98e12d9bcb616/FLAGbce2b5ded [2018-11-22 22:49:03,159 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_823f4f61-73af-4b4e-b52d-6385fe3bd8cb/bin-2019/ukojak/data/53e40f9f0/e036f93959324137aae98e12d9bcb616 [2018-11-22 22:49:03,162 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 22:49:03,163 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 22:49:03,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 22:49:03,164 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 22:49:03,166 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 22:49:03,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:49:03" (1/1) ... [2018-11-22 22:49:03,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@468ecb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:49:03, skipping insertion in model container [2018-11-22 22:49:03,169 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:49:03" (1/1) ... [2018-11-22 22:49:03,177 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 22:49:03,189 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 22:49:03,303 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:49:03,305 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 22:49:03,315 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:49:03,323 INFO L195 MainTranslator]: Completed translation [2018-11-22 22:49:03,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:49:03 WrapperNode [2018-11-22 22:49:03,324 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 22:49:03,324 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 22:49:03,324 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 22:49:03,324 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 22:49:03,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:49:03" (1/1) ... [2018-11-22 22:49:03,336 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:49:03" (1/1) ... [2018-11-22 22:49:03,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 22:49:03,348 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 22:49:03,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 22:49:03,349 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 22:49:03,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:49:03" (1/1) ... [2018-11-22 22:49:03,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:49:03" (1/1) ... [2018-11-22 22:49:03,356 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:49:03" (1/1) ... [2018-11-22 22:49:03,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:49:03" (1/1) ... [2018-11-22 22:49:03,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:49:03" (1/1) ... [2018-11-22 22:49:03,361 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:49:03" (1/1) ... [2018-11-22 22:49:03,361 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:49:03" (1/1) ... [2018-11-22 22:49:03,362 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 22:49:03,362 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 22:49:03,363 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 22:49:03,363 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 22:49:03,363 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:49:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_823f4f61-73af-4b4e-b52d-6385fe3bd8cb/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 [2018-11-22 22:49:03,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 22:49:03,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 22:49:03,583 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 22:49:03,583 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-11-22 22:49:03,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:49:03 BoogieIcfgContainer [2018-11-22 22:49:03,583 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 22:49:03,584 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-22 22:49:03,584 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-22 22:49:03,591 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-22 22:49:03,592 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:49:03" (1/1) ... [2018-11-22 22:49:03,601 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:49:03,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:49:03,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 25 states and 27 transitions. [2018-11-22 22:49:03,633 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2018-11-22 22:49:03,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-22 22:49:03,635 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:49:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:49:03,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:49:03,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:49:03,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2018-11-22 22:49:03,755 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2018-11-22 22:49:03,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-22 22:49:03,755 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:49:03,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:49:03,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:49:03,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 22:49:03,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 26 states and 29 transitions. [2018-11-22 22:49:03,847 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2018-11-22 22:49:03,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-22 22:49:03,848 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 22:49:03,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 22:49:03,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 22:49:03,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 22:49:03,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 22:49:03,881 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 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~short3, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~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; VAL [ULTIMATE.start_main_~x~0=2, ULTIMATE.start_main_~y~0=2147483647] [?] assume !!(main_~x~0 >= 2); VAL [ULTIMATE.start_main_~x~0=2, ULTIMATE.start_main_~y~0=2147483647] [?] assume main_~x~0 - 1 <= 2147483647; VAL [ULTIMATE.start_main_~x~0=2, ULTIMATE.start_main_~y~0=2147483647] [?] assume main_~x~0 - 1 >= -2147483648;main_~x~0 := main_~x~0 - 1; VAL [ULTIMATE.start_main_~x~0=1, ULTIMATE.start_main_~y~0=2147483647] [?] assume !(main_~y~0 + main_~x~0 <= 2147483647); VAL [ULTIMATE.start_main_~x~0=1, ULTIMATE.start_main_~y~0=2147483647] [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~short3, main_~x~0, main_~y~0; [L14] havoc main_~x~0; [L14] havoc main_~y~0; [L15] assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647; [L15] main_~x~0 := main_#t~nondet0; [L15] havoc main_#t~nondet0; [L16] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; [L16] main_~y~0 := main_#t~nondet1; [L16] havoc main_#t~nondet1; VAL [main_~x~0=2, main_~y~0=2147483647] [L17-L25] assume !!(main_~x~0 >= 2); VAL [main_~x~0=2, main_~y~0=2147483647] [L18] assert main_~x~0 - 1 <= 2147483647; VAL [main_~x~0=2, main_~y~0=2147483647] [L18] assert main_~x~0 - 1 >= -2147483648; [L18] main_~x~0 := main_~x~0 - 1; VAL [main_~x~0=1, main_~y~0=2147483647] [L19] assert main_~y~0 + main_~x~0 <= 2147483647; VAL [main_~x~0=1, main_~y~0=2147483647] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~short3, main_~x~0, main_~y~0; [L14] havoc main_~x~0; [L14] havoc main_~y~0; [L15] assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647; [L15] main_~x~0 := main_#t~nondet0; [L15] havoc main_#t~nondet0; [L16] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; [L16] main_~y~0 := main_#t~nondet1; [L16] havoc main_#t~nondet1; VAL [main_~x~0=2, main_~y~0=2147483647] [L17-L25] assume !!(main_~x~0 >= 2); VAL [main_~x~0=2, main_~y~0=2147483647] [L18] assert main_~x~0 - 1 <= 2147483647; VAL [main_~x~0=2, main_~y~0=2147483647] [L18] assert main_~x~0 - 1 >= -2147483648; [L18] main_~x~0 := main_~x~0 - 1; VAL [main_~x~0=1, main_~y~0=2147483647] [L19] assert main_~y~0 + main_~x~0 <= 2147483647; VAL [main_~x~0=1, main_~y~0=2147483647] [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~short3, main_~x~0, main_~y~0; [L14] havoc main_~x~0; [L14] havoc main_~y~0; [L15] assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647; [L15] main_~x~0 := main_#t~nondet0; [L15] havoc main_#t~nondet0; [L16] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; [L16] main_~y~0 := main_#t~nondet1; [L16] havoc main_#t~nondet1; VAL [main_~x~0=2, main_~y~0=2147483647] [L17-L25] COND FALSE !(!(main_~x~0 >= 2)) VAL [main_~x~0=2, main_~y~0=2147483647] [L18] assert main_~x~0 - 1 <= 2147483647; VAL [main_~x~0=2, main_~y~0=2147483647] [L18] assert main_~x~0 - 1 >= -2147483648; [L18] main_~x~0 := main_~x~0 - 1; VAL [main_~x~0=1, main_~y~0=2147483647] [L19] assert main_~y~0 + main_~x~0 <= 2147483647; VAL [main_~x~0=1, main_~y~0=2147483647] ----- ----- 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~short3, main_~x~0, main_~y~0; [L14] havoc main_~x~0; [L14] havoc main_~y~0; [L15] assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647; [L15] main_~x~0 := main_#t~nondet0; [L15] havoc main_#t~nondet0; [L16] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; [L16] main_~y~0 := main_#t~nondet1; [L16] havoc main_#t~nondet1; VAL [main_~x~0=2, main_~y~0=2147483647] [L17-L25] COND FALSE !(!(main_~x~0 >= 2)) VAL [main_~x~0=2, main_~y~0=2147483647] [L18] assert main_~x~0 - 1 <= 2147483647; VAL [main_~x~0=2, main_~y~0=2147483647] [L18] assert main_~x~0 - 1 >= -2147483648; [L18] main_~x~0 := main_~x~0 - 1; VAL [main_~x~0=1, main_~y~0=2147483647] [L19] assert main_~y~0 + main_~x~0 <= 2147483647; VAL [main_~x~0=1, main_~y~0=2147483647] [L14] havoc ~x~0; [L14] havoc ~y~0; [L15] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; [L15] ~x~0 := #t~nondet0; [L15] havoc #t~nondet0; [L16] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; [L16] ~y~0 := #t~nondet1; [L16] havoc #t~nondet1; [L17-L25] COND FALSE !(!(~x~0 >= 2)) [L18] assert ~x~0 - 1 <= 2147483647; [L18] assert ~x~0 - 1 >= -2147483648; [L18] ~x~0 := ~x~0 - 1; [L19] assert ~y~0 + ~x~0 <= 2147483647; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L14] havoc ~x~0; [L14] havoc ~y~0; [L15] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; [L15] ~x~0 := #t~nondet0; [L15] havoc #t~nondet0; [L16] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; [L16] ~y~0 := #t~nondet1; [L16] havoc #t~nondet1; [L17-L25] COND FALSE !(!(~x~0 >= 2)) [L18] assert ~x~0 - 1 <= 2147483647; [L18] assert ~x~0 - 1 >= -2147483648; [L18] ~x~0 := ~x~0 - 1; [L19] assert ~y~0 + ~x~0 <= 2147483647; [L14] int x, y; [L15] x = __VERIFIER_nondet_int() [L16] y = __VERIFIER_nondet_int() [L17] COND TRUE x >= 2 [L18] EXPR x - 1 [L18] x = x - 1 [L19] y + x ----- [2018-11-22 22:49:03,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 10:49:03 ImpRootNode [2018-11-22 22:49:03,901 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-22 22:49:03,901 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 22:49:03,901 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 22:49:03,901 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 22:49:03,901 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:49:03" (3/4) ... [2018-11-22 22:49:03,903 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~short3, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~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; VAL [ULTIMATE.start_main_~x~0=2, ULTIMATE.start_main_~y~0=2147483647] [?] assume !!(main_~x~0 >= 2); VAL [ULTIMATE.start_main_~x~0=2, ULTIMATE.start_main_~y~0=2147483647] [?] assume main_~x~0 - 1 <= 2147483647; VAL [ULTIMATE.start_main_~x~0=2, ULTIMATE.start_main_~y~0=2147483647] [?] assume main_~x~0 - 1 >= -2147483648;main_~x~0 := main_~x~0 - 1; VAL [ULTIMATE.start_main_~x~0=1, ULTIMATE.start_main_~y~0=2147483647] [?] assume !(main_~y~0 + main_~x~0 <= 2147483647); VAL [ULTIMATE.start_main_~x~0=1, ULTIMATE.start_main_~y~0=2147483647] [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~short3, main_~x~0, main_~y~0; [L14] havoc main_~x~0; [L14] havoc main_~y~0; [L15] assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647; [L15] main_~x~0 := main_#t~nondet0; [L15] havoc main_#t~nondet0; [L16] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; [L16] main_~y~0 := main_#t~nondet1; [L16] havoc main_#t~nondet1; VAL [main_~x~0=2, main_~y~0=2147483647] [L17-L25] assume !!(main_~x~0 >= 2); VAL [main_~x~0=2, main_~y~0=2147483647] [L18] assert main_~x~0 - 1 <= 2147483647; VAL [main_~x~0=2, main_~y~0=2147483647] [L18] assert main_~x~0 - 1 >= -2147483648; [L18] main_~x~0 := main_~x~0 - 1; VAL [main_~x~0=1, main_~y~0=2147483647] [L19] assert main_~y~0 + main_~x~0 <= 2147483647; VAL [main_~x~0=1, main_~y~0=2147483647] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~short3, main_~x~0, main_~y~0; [L14] havoc main_~x~0; [L14] havoc main_~y~0; [L15] assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647; [L15] main_~x~0 := main_#t~nondet0; [L15] havoc main_#t~nondet0; [L16] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; [L16] main_~y~0 := main_#t~nondet1; [L16] havoc main_#t~nondet1; VAL [main_~x~0=2, main_~y~0=2147483647] [L17-L25] assume !!(main_~x~0 >= 2); VAL [main_~x~0=2, main_~y~0=2147483647] [L18] assert main_~x~0 - 1 <= 2147483647; VAL [main_~x~0=2, main_~y~0=2147483647] [L18] assert main_~x~0 - 1 >= -2147483648; [L18] main_~x~0 := main_~x~0 - 1; VAL [main_~x~0=1, main_~y~0=2147483647] [L19] assert main_~y~0 + main_~x~0 <= 2147483647; VAL [main_~x~0=1, main_~y~0=2147483647] [?] havoc main_#res; [?] havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~short3, main_~x~0, main_~y~0; [L14] havoc main_~x~0; [L14] havoc main_~y~0; [L15] assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647; [L15] main_~x~0 := main_#t~nondet0; [L15] havoc main_#t~nondet0; [L16] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; [L16] main_~y~0 := main_#t~nondet1; [L16] havoc main_#t~nondet1; VAL [main_~x~0=2, main_~y~0=2147483647] [L17-L25] COND FALSE !(!(main_~x~0 >= 2)) VAL [main_~x~0=2, main_~y~0=2147483647] [L18] assert main_~x~0 - 1 <= 2147483647; VAL [main_~x~0=2, main_~y~0=2147483647] [L18] assert main_~x~0 - 1 >= -2147483648; [L18] main_~x~0 := main_~x~0 - 1; VAL [main_~x~0=1, main_~y~0=2147483647] [L19] assert main_~y~0 + main_~x~0 <= 2147483647; VAL [main_~x~0=1, main_~y~0=2147483647] ----- ----- 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~short3, main_~x~0, main_~y~0; [L14] havoc main_~x~0; [L14] havoc main_~y~0; [L15] assume -2147483648 <= main_#t~nondet0 && main_#t~nondet0 <= 2147483647; [L15] main_~x~0 := main_#t~nondet0; [L15] havoc main_#t~nondet0; [L16] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; [L16] main_~y~0 := main_#t~nondet1; [L16] havoc main_#t~nondet1; VAL [main_~x~0=2, main_~y~0=2147483647] [L17-L25] COND FALSE !(!(main_~x~0 >= 2)) VAL [main_~x~0=2, main_~y~0=2147483647] [L18] assert main_~x~0 - 1 <= 2147483647; VAL [main_~x~0=2, main_~y~0=2147483647] [L18] assert main_~x~0 - 1 >= -2147483648; [L18] main_~x~0 := main_~x~0 - 1; VAL [main_~x~0=1, main_~y~0=2147483647] [L19] assert main_~y~0 + main_~x~0 <= 2147483647; VAL [main_~x~0=1, main_~y~0=2147483647] [L14] havoc ~x~0; [L14] havoc ~y~0; [L15] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; [L15] ~x~0 := #t~nondet0; [L15] havoc #t~nondet0; [L16] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; [L16] ~y~0 := #t~nondet1; [L16] havoc #t~nondet1; [L17-L25] COND FALSE !(!(~x~0 >= 2)) [L18] assert ~x~0 - 1 <= 2147483647; [L18] assert ~x~0 - 1 >= -2147483648; [L18] ~x~0 := ~x~0 - 1; [L19] assert ~y~0 + ~x~0 <= 2147483647; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L14] havoc ~x~0; [L14] havoc ~y~0; [L15] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; [L15] ~x~0 := #t~nondet0; [L15] havoc #t~nondet0; [L16] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; [L16] ~y~0 := #t~nondet1; [L16] havoc #t~nondet1; [L17-L25] COND FALSE !(!(~x~0 >= 2)) [L18] assert ~x~0 - 1 <= 2147483647; [L18] assert ~x~0 - 1 >= -2147483648; [L18] ~x~0 := ~x~0 - 1; [L19] assert ~y~0 + ~x~0 <= 2147483647; [L14] int x, y; [L15] x = __VERIFIER_nondet_int() [L16] y = __VERIFIER_nondet_int() [L17] COND TRUE x >= 2 [L18] EXPR x - 1 [L18] x = x - 1 [L19] y + x ----- [2018-11-22 22:49:03,934 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_823f4f61-73af-4b4e-b52d-6385fe3bd8cb/bin-2019/ukojak/witness.graphml [2018-11-22 22:49:03,934 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 22:49:03,934 INFO L168 Benchmark]: Toolchain (without parser) took 772.20 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 958.2 MB in the beginning and 1.1 GB in the end (delta: -106.0 MB). Peak memory consumption was 5.7 MB. Max. memory is 11.5 GB. [2018-11-22 22:49:03,936 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:49:03,936 INFO L168 Benchmark]: CACSL2BoogieTranslator took 160.47 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 947.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-22 22:49:03,936 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.88 ms. Allocated memory is still 1.0 GB. Free memory was 947.4 MB in the beginning and 944.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-22 22:49:03,936 INFO L168 Benchmark]: Boogie Preprocessor took 13.89 ms. Allocated memory is still 1.0 GB. Free memory is still 944.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:49:03,937 INFO L168 Benchmark]: RCFGBuilder took 221.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -146.4 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2018-11-22 22:49:03,937 INFO L168 Benchmark]: CodeCheck took 316.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-11-22 22:49:03,938 INFO L168 Benchmark]: Witness Printer took 33.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 11.5 GB. [2018-11-22 22:49:03,940 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, 29 locations, 10 error locations. UNSAFE Result, 0.2s OverallTime, 3 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 10 SDslu, 0 SDs, 0 SdLazy, 40 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 33 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 19]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int x, y; [L15] x = __VERIFIER_nondet_int() [L16] y = __VERIFIER_nondet_int() [L17] COND TRUE x >= 2 [L18] EXPR x - 1 [L18] x = x - 1 [L19] y + x * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 160.47 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 947.4 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 23.88 ms. Allocated memory is still 1.0 GB. Free memory was 947.4 MB in the beginning and 944.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.89 ms. Allocated memory is still 1.0 GB. Free memory is still 944.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 221.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -146.4 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * CodeCheck took 316.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Witness Printer took 33.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...