./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/signedintegeroverflow-regression/PrefixDecrement_false-no-overflow.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_30b654a3-0dc8-4493-8e10-cfb75f9461f0/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_30b654a3-0dc8-4493-8e10-cfb75f9461f0/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_30b654a3-0dc8-4493-8e10-cfb75f9461f0/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_30b654a3-0dc8-4493-8e10-cfb75f9461f0/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/signedintegeroverflow-regression/PrefixDecrement_false-no-overflow.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_30b654a3-0dc8-4493-8e10-cfb75f9461f0/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_30b654a3-0dc8-4493-8e10-cfb75f9461f0/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 058f2b919df241022a2d1e4bdbdaa26cd8e08c13 ............................................................................................................................................................................................................. 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 0.1.23-635dfa2 [2018-12-01 22:15:53,595 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 22:15:53,596 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 22:15:53,602 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 22:15:53,602 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 22:15:53,603 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 22:15:53,603 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 22:15:53,604 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 22:15:53,605 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 22:15:53,605 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 22:15:53,606 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 22:15:53,606 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 22:15:53,606 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 22:15:53,607 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 22:15:53,607 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 22:15:53,607 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 22:15:53,608 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 22:15:53,609 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 22:15:53,610 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 22:15:53,610 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 22:15:53,611 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 22:15:53,611 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 22:15:53,612 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 22:15:53,612 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 22:15:53,612 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 22:15:53,613 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 22:15:53,613 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 22:15:53,614 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 22:15:53,614 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 22:15:53,615 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 22:15:53,615 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 22:15:53,615 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 22:15:53,615 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 22:15:53,615 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 22:15:53,616 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 22:15:53,616 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 22:15:53,616 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_30b654a3-0dc8-4493-8e10-cfb75f9461f0/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-12-01 22:15:53,623 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 22:15:53,623 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 22:15:53,624 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 22:15:53,624 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 22:15:53,624 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 22:15:53,624 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 22:15:53,624 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 22:15:53,624 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-01 22:15:53,625 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 22:15:53,625 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 22:15:53,625 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 22:15:53,625 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 22:15:53,625 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 22:15:53,625 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-12-01 22:15:53,625 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 22:15:53,625 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 22:15:53,625 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 22:15:53,625 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 22:15:53,625 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 22:15:53,625 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 22:15:53,626 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 22:15:53,626 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 22:15:53,626 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 22:15:53,626 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 22:15:53,626 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 22:15:53,626 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 22:15:53,626 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 22:15:53,626 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 22:15:53,626 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_30b654a3-0dc8-4493-8e10-cfb75f9461f0/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 -> 058f2b919df241022a2d1e4bdbdaa26cd8e08c13 [2018-12-01 22:15:53,643 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 22:15:53,651 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 22:15:53,653 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 22:15:53,654 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 22:15:53,654 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 22:15:53,654 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_30b654a3-0dc8-4493-8e10-cfb75f9461f0/bin-2019/ukojak/../../sv-benchmarks/c/signedintegeroverflow-regression/PrefixDecrement_false-no-overflow.c.i [2018-12-01 22:15:53,691 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_30b654a3-0dc8-4493-8e10-cfb75f9461f0/bin-2019/ukojak/data/54a09cc48/bb605792e6724ea19fa8dd6f50a69dad/FLAG159ad6f90 [2018-12-01 22:15:54,154 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 22:15:54,154 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_30b654a3-0dc8-4493-8e10-cfb75f9461f0/sv-benchmarks/c/signedintegeroverflow-regression/PrefixDecrement_false-no-overflow.c.i [2018-12-01 22:15:54,159 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_30b654a3-0dc8-4493-8e10-cfb75f9461f0/bin-2019/ukojak/data/54a09cc48/bb605792e6724ea19fa8dd6f50a69dad/FLAG159ad6f90 [2018-12-01 22:15:54,168 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_30b654a3-0dc8-4493-8e10-cfb75f9461f0/bin-2019/ukojak/data/54a09cc48/bb605792e6724ea19fa8dd6f50a69dad [2018-12-01 22:15:54,169 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 22:15:54,170 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 22:15:54,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 22:15:54,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 22:15:54,173 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 22:15:54,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:15:54" (1/1) ... [2018-12-01 22:15:54,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f9d2c60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:15:54, skipping insertion in model container [2018-12-01 22:15:54,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:15:54" (1/1) ... [2018-12-01 22:15:54,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 22:15:54,193 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 22:15:54,321 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:15:54,327 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 22:15:54,378 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:15:54,397 INFO L195 MainTranslator]: Completed translation [2018-12-01 22:15:54,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:15:54 WrapperNode [2018-12-01 22:15:54,398 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 22:15:54,398 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 22:15:54,398 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 22:15:54,398 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 22:15:54,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:15:54" (1/1) ... [2018-12-01 22:15:54,410 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:15:54" (1/1) ... [2018-12-01 22:15:54,421 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 22:15:54,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 22:15:54,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 22:15:54,421 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 22:15:54,427 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:15:54" (1/1) ... [2018-12-01 22:15:54,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:15:54" (1/1) ... [2018-12-01 22:15:54,428 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:15:54" (1/1) ... [2018-12-01 22:15:54,428 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:15:54" (1/1) ... [2018-12-01 22:15:54,430 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:15:54" (1/1) ... [2018-12-01 22:15:54,430 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:15:54" (1/1) ... [2018-12-01 22:15:54,431 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:15:54" (1/1) ... [2018-12-01 22:15:54,432 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 22:15:54,432 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 22:15:54,432 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 22:15:54,432 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 22:15:54,433 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:15:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_30b654a3-0dc8-4493-8e10-cfb75f9461f0/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 [2018-12-01 22:15:54,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 22:15:54,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 22:15:54,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 22:15:54,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 22:15:54,573 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 22:15:54,573 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-12-01 22:15:54,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:15:54 BoogieIcfgContainer [2018-12-01 22:15:54,573 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 22:15:54,574 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 22:15:54,574 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 22:15:54,582 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 22:15:54,582 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:15:54" (1/1) ... [2018-12-01 22:15:54,591 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:15:54,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:15:54,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 6 states and 5 transitions. [2018-12-01 22:15:54,614 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2018-12-01 22:15:54,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-12-01 22:15:54,615 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:15:54,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:15:54,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:15:54,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 22:15:54,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 5 states and 4 transitions. [2018-12-01 22:15:54,711 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 4 transitions. [2018-12-01 22:15:54,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-01 22:15:54,711 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 22:15:54,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:15:54,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:15:54,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:15:54,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:15:54,747 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2018-12-01 22:15:54,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 10:15:54 ImpRootNode [2018-12-01 22:15:54,760 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 22:15:54,760 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 22:15:54,760 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 22:15:54,760 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 22:15:54,760 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:15:54" (3/4) ... [2018-12-01 22:15:54,762 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-01 22:15:54,782 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_30b654a3-0dc8-4493-8e10-cfb75f9461f0/bin-2019/ukojak/witness.graphml [2018-12-01 22:15:54,782 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 22:15:54,783 INFO L168 Benchmark]: Toolchain (without parser) took 613.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 954.4 MB in the beginning and 1.0 GB in the end (delta: -76.1 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2018-12-01 22:15:54,784 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 22:15:54,784 INFO L168 Benchmark]: CACSL2BoogieTranslator took 227.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -129.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-12-01 22:15:54,784 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.25 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 22:15:54,784 INFO L168 Benchmark]: Boogie Preprocessor took 10.48 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-01 22:15:54,785 INFO L168 Benchmark]: RCFGBuilder took 141.50 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: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2018-12-01 22:15:54,785 INFO L168 Benchmark]: CodeCheck took 185.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. [2018-12-01 22:15:54,785 INFO L168 Benchmark]: Witness Printer took 22.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-01 22:15:54,787 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, 9 locations, 2 error locations. UNSAFE Result, 0.1s OverallTime, 2 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 4 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 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, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 333]: integer overflow possible integer overflow possible We found a FailurePath: [L332] int x = -2147483647 - 1; [L333] --x * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 227.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.8 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -129.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.25 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.48 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 141.50 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: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. * CodeCheck took 185.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. * Witness Printer took 22.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...