./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive/Addition02WithOverflowBug.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_756c02c0-828f-410f-9488-62755010d8d7/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_756c02c0-828f-410f-9488-62755010d8d7/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_756c02c0-828f-410f-9488-62755010d8d7/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_756c02c0-828f-410f-9488-62755010d8d7/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive/Addition02WithOverflowBug.c -s /tmp/vcloud-vcloud-master/worker/run_dir_756c02c0-828f-410f-9488-62755010d8d7/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_756c02c0-828f-410f-9488-62755010d8d7/bin/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 32bit --witnessprinter.graph.data.programhash 287218d656262a35fea12dfac61f3b9a1cd68325 .......................................................................................................................................................................................................................... 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 0.2.0-a4ecdab [2020-11-29 23:55:25,568 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:55:25,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:55:25,649 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:55:25,650 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:55:25,655 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:55:25,657 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:55:25,665 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:55:25,667 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:55:25,673 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:55:25,674 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:55:25,676 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:55:25,677 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:55:25,680 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:55:25,681 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:55:25,684 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:55:25,685 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:55:25,688 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:55:25,691 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:55:25,698 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:55:25,700 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:55:25,702 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:55:25,704 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:55:25,705 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:55:25,713 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:55:25,714 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:55:25,714 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:55:25,716 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:55:25,717 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:55:25,718 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:55:25,719 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:55:25,720 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:55:25,722 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:55:25,723 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:55:25,724 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:55:25,724 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:55:25,725 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:55:25,726 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:55:25,726 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:55:25,727 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:55:25,728 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:55:25,731 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_756c02c0-828f-410f-9488-62755010d8d7/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2020-11-29 23:55:25,768 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:55:25,768 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:55:25,770 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 23:55:25,770 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 23:55:25,771 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:55:25,771 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:55:25,771 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:55:25,772 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:55:25,772 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 23:55:25,772 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:55:25,773 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:55:25,774 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:55:25,774 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 23:55:25,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:55:25,774 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 23:55:25,775 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-29 23:55:25,775 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:55:25,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:55:25,776 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:55:25,776 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 23:55:25,776 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 23:55:25,776 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 23:55:25,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:55:25,777 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:55:25,777 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 23:55:25,778 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:55:25,778 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:55:25,778 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 23:55:25,778 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 23:55:25,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 23:55:25,779 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 23:55:25,779 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_756c02c0-828f-410f-9488-62755010d8d7/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_756c02c0-828f-410f-9488-62755010d8d7/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 287218d656262a35fea12dfac61f3b9a1cd68325 [2020-11-29 23:55:26,064 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:55:26,086 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:55:26,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:55:26,090 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:55:26,090 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:55:26,091 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_756c02c0-828f-410f-9488-62755010d8d7/bin/ukojak/../../sv-benchmarks/c/recursive/Addition02WithOverflowBug.c [2020-11-29 23:55:26,175 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_756c02c0-828f-410f-9488-62755010d8d7/bin/ukojak/data/42a87cb7b/557ac876cd9840cfb677a6868d531776/FLAGb623e2c26 [2020-11-29 23:55:26,638 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:55:26,638 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_756c02c0-828f-410f-9488-62755010d8d7/sv-benchmarks/c/recursive/Addition02WithOverflowBug.c [2020-11-29 23:55:26,645 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_756c02c0-828f-410f-9488-62755010d8d7/bin/ukojak/data/42a87cb7b/557ac876cd9840cfb677a6868d531776/FLAGb623e2c26 [2020-11-29 23:55:27,015 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_756c02c0-828f-410f-9488-62755010d8d7/bin/ukojak/data/42a87cb7b/557ac876cd9840cfb677a6868d531776 [2020-11-29 23:55:27,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:55:27,020 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:55:27,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:55:27,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:55:27,040 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:55:27,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:55:27" (1/1) ... [2020-11-29 23:55:27,044 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ab55b03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:27, skipping insertion in model container [2020-11-29 23:55:27,044 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:55:27" (1/1) ... [2020-11-29 23:55:27,052 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:55:27,066 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:55:27,220 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:55:27,256 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:55:27,301 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:55:27,317 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:55:27,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:27 WrapperNode [2020-11-29 23:55:27,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:55:27,320 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:55:27,321 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:55:27,323 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:55:27,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:27" (1/1) ... [2020-11-29 23:55:27,342 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:27" (1/1) ... [2020-11-29 23:55:27,359 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:55:27,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:55:27,362 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:55:27,362 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:55:27,370 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:27" (1/1) ... [2020-11-29 23:55:27,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:27" (1/1) ... [2020-11-29 23:55:27,380 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:27" (1/1) ... [2020-11-29 23:55:27,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:27" (1/1) ... [2020-11-29 23:55:27,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:27" (1/1) ... [2020-11-29 23:55:27,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:27" (1/1) ... [2020-11-29 23:55:27,397 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:27" (1/1) ... [2020-11-29 23:55:27,399 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:55:27,400 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:55:27,400 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:55:27,400 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:55:27,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:55:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_756c02c0-828f-410f-9488-62755010d8d7/bin/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 [2020-11-29 23:55:27,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:55:27,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:55:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 23:55:27,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:55:27,475 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2020-11-29 23:55:27,475 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2020-11-29 23:55:28,056 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:55:28,056 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-29 23:55:28,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:55:28 BoogieIcfgContainer [2020-11-29 23:55:28,058 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:55:28,059 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 23:55:28,059 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 23:55:28,070 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 23:55:28,071 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:55:28" (1/1) ... [2020-11-29 23:55:28,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:55:28,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:55:28,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 34 states and 38 transitions. [2020-11-29 23:55:28,134 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2020-11-29 23:55:28,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-29 23:55:28,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:55:28,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:55:28,228 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:55:28,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:55:28,248 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:55:28,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:55:28,290 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:55:28,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:55:28,300 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:55:28,311 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2020-11-29 23:55:28,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 11:55:28 ImpRootNode [2020-11-29 23:55:28,334 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 23:55:28,335 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 23:55:28,335 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 23:55:28,336 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 23:55:28,336 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:55:28" (3/4) ... [2020-11-29 23:55:28,338 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-29 23:55:28,375 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_756c02c0-828f-410f-9488-62755010d8d7/bin/ukojak/witness.graphml [2020-11-29 23:55:28,375 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 23:55:28,377 INFO L168 Benchmark]: Toolchain (without parser) took 1356.69 ms. Allocated memory is still 113.2 MB. Free memory was 81.2 MB in the beginning and 56.1 MB in the end (delta: 25.1 MB). Peak memory consumption was 24.7 MB. Max. memory is 16.1 GB. [2020-11-29 23:55:28,378 INFO L168 Benchmark]: CDTParser took 9.80 ms. Allocated memory is still 79.7 MB. Free memory was 49.6 MB in the beginning and 61.1 MB in the end (delta: -11.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:55:28,379 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.04 ms. Allocated memory is still 113.2 MB. Free memory was 81.2 MB in the beginning and 91.8 MB in the end (delta: -10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 23:55:28,380 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.51 ms. Allocated memory is still 113.2 MB. Free memory was 91.8 MB in the beginning and 90.5 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:55:28,381 INFO L168 Benchmark]: Boogie Preprocessor took 37.43 ms. Allocated memory is still 113.2 MB. Free memory was 90.5 MB in the beginning and 89.7 MB in the end (delta: 804.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:55:28,382 INFO L168 Benchmark]: RCFGBuilder took 658.74 ms. Allocated memory is still 113.2 MB. Free memory was 89.7 MB in the beginning and 71.6 MB in the end (delta: 18.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-29 23:55:28,383 INFO L168 Benchmark]: CodeCheck took 275.64 ms. Allocated memory is still 113.2 MB. Free memory was 71.6 MB in the beginning and 57.8 MB in the end (delta: 13.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 23:55:28,384 INFO L168 Benchmark]: Witness Printer took 40.30 ms. Allocated memory is still 113.2 MB. Free memory was 57.8 MB in the beginning and 56.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:55:28,389 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 34 locations, 10 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, 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, 6 NumberOfCodeBlocks, 6 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 DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 20]: integer overflow possible integer overflow possible We found a FailurePath: [L29] int m = __VERIFIER_nondet_int(); [L30] int n = __VERIFIER_nondet_int(); [L31] CALL addition(m,n) VAL [\old(m)=2147483647, \old(n)=1] [L16] COND FALSE !(n == 0) VAL [\old(m)=2147483647, \old(n)=1, m=2147483647, n=1] [L19] COND TRUE n > 0 VAL [\old(m)=2147483647, \old(n)=1, m=2147483647, n=1] [L20] m+1 VAL [\old(m)=2147483647, \old(n)=1, m=2147483647, n=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 9.80 ms. Allocated memory is still 79.7 MB. Free memory was 49.6 MB in the beginning and 61.1 MB in the end (delta: -11.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 295.04 ms. Allocated memory is still 113.2 MB. Free memory was 81.2 MB in the beginning and 91.8 MB in the end (delta: -10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.51 ms. Allocated memory is still 113.2 MB. Free memory was 91.8 MB in the beginning and 90.5 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.43 ms. Allocated memory is still 113.2 MB. Free memory was 90.5 MB in the beginning and 89.7 MB in the end (delta: 804.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 658.74 ms. Allocated memory is still 113.2 MB. Free memory was 89.7 MB in the beginning and 71.6 MB in the end (delta: 18.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * CodeCheck took 275.64 ms. Allocated memory is still 113.2 MB. Free memory was 71.6 MB in the beginning and 57.8 MB in the end (delta: 13.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Witness Printer took 40.30 ms. Allocated memory is still 113.2 MB. Free memory was 57.8 MB in the beginning and 56.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...