./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/NonTerminationSimple5.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_787b5a3f-cb81-44f9-8da6-2a4b9b6a2764/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_787b5a3f-cb81-44f9-8da6-2a4b9b6a2764/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_787b5a3f-cb81-44f9-8da6-2a4b9b6a2764/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_787b5a3f-cb81-44f9-8da6-2a4b9b6a2764/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/NonTerminationSimple5.c -s /tmp/vcloud-vcloud-master/worker/run_dir_787b5a3f-cb81-44f9-8da6-2a4b9b6a2764/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_787b5a3f-cb81-44f9-8da6-2a4b9b6a2764/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 64bit --witnessprinter.graph.data.programhash cb8f51b479f295f85625b99c3f71decccfdfa07a .............................................................................................................................................................................................................. 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 [2020-11-28 04:39:11,986 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:39:11,988 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:39:12,035 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:39:12,036 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:39:12,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:39:12,043 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:39:12,050 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:39:12,053 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:39:12,061 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:39:12,063 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:39:12,065 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:39:12,065 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:39:12,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:39:12,071 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:39:12,074 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:39:12,075 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:39:12,080 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:39:12,083 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:39:12,088 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:39:12,090 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:39:12,092 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:39:12,094 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:39:12,095 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:39:12,098 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:39:12,098 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:39:12,099 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:39:12,100 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:39:12,100 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:39:12,102 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:39:12,102 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:39:12,103 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:39:12,104 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:39:12,107 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:39:12,109 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:39:12,110 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:39:12,111 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:39:12,111 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:39:12,112 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:39:12,113 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:39:12,113 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:39:12,114 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_787b5a3f-cb81-44f9-8da6-2a4b9b6a2764/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2020-11-28 04:39:12,156 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:39:12,165 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:39:12,165 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:39:12,166 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:39:12,166 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:39:12,167 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:39:12,167 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:39:12,167 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 04:39:12,167 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:39:12,168 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:39:12,168 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:39:12,168 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:39:12,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:39:12,168 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-28 04:39:12,176 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:39:12,176 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:39:12,176 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:39:12,177 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:39:12,177 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:39:12,177 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:39:12,177 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:39:12,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:39:12,178 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:39:12,178 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:39:12,178 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:39:12,178 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:39:12,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:39:12,179 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:39:12,180 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_787b5a3f-cb81-44f9-8da6-2a4b9b6a2764/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_787b5a3f-cb81-44f9-8da6-2a4b9b6a2764/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb8f51b479f295f85625b99c3f71decccfdfa07a [2020-11-28 04:39:12,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:39:12,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:39:12,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:39:12,491 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:39:12,492 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:39:12,494 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_787b5a3f-cb81-44f9-8da6-2a4b9b6a2764/bin/ukojak/../../sv-benchmarks/c/termination-crafted/NonTerminationSimple5.c [2020-11-28 04:39:12,581 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_787b5a3f-cb81-44f9-8da6-2a4b9b6a2764/bin/ukojak/data/af18cd4b5/e2904b8f028d449c8a6fcca34762df7c/FLAG94572dfff [2020-11-28 04:39:13,053 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:39:13,056 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_787b5a3f-cb81-44f9-8da6-2a4b9b6a2764/sv-benchmarks/c/termination-crafted/NonTerminationSimple5.c [2020-11-28 04:39:13,068 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_787b5a3f-cb81-44f9-8da6-2a4b9b6a2764/bin/ukojak/data/af18cd4b5/e2904b8f028d449c8a6fcca34762df7c/FLAG94572dfff [2020-11-28 04:39:13,453 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_787b5a3f-cb81-44f9-8da6-2a4b9b6a2764/bin/ukojak/data/af18cd4b5/e2904b8f028d449c8a6fcca34762df7c [2020-11-28 04:39:13,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:39:13,477 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:39:13,479 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:39:13,479 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:39:13,483 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:39:13,485 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:39:13" (1/1) ... [2020-11-28 04:39:13,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@791799c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:13, skipping insertion in model container [2020-11-28 04:39:13,491 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:39:13" (1/1) ... [2020-11-28 04:39:13,499 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:39:13,516 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:39:13,706 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:39:13,710 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:39:13,724 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:39:13,735 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:39:13,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:13 WrapperNode [2020-11-28 04:39:13,735 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:39:13,737 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:39:13,737 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:39:13,737 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:39:13,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:13" (1/1) ... [2020-11-28 04:39:13,751 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:13" (1/1) ... [2020-11-28 04:39:13,769 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:39:13,770 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:39:13,770 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:39:13,770 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:39:13,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:13" (1/1) ... [2020-11-28 04:39:13,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:13" (1/1) ... [2020-11-28 04:39:13,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:13" (1/1) ... [2020-11-28 04:39:13,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:13" (1/1) ... [2020-11-28 04:39:13,782 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:13" (1/1) ... [2020-11-28 04:39:13,786 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:13" (1/1) ... [2020-11-28 04:39:13,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:13" (1/1) ... [2020-11-28 04:39:13,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:39:13,790 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:39:13,790 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:39:13,790 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:39:13,791 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_787b5a3f-cb81-44f9-8da6-2a4b9b6a2764/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 [2020-11-28 04:39:13,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:39:13,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:39:14,065 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:39:14,065 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-28 04:39:14,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:14 BoogieIcfgContainer [2020-11-28 04:39:14,067 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:39:14,068 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:39:14,068 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:39:14,080 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:39:14,080 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:14" (1/1) ... [2020-11-28 04:39:14,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:39:14,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:14,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2020-11-28 04:39:14,129 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2020-11-28 04:39:14,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-28 04:39:14,131 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:14,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:39:14,224 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:39:14,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:39:14,244 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:39:14,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:39:14,278 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:39:14,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:39:14,293 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:39:14,297 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2020-11-28 04:39:14,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:39:14 ImpRootNode [2020-11-28 04:39:14,315 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:39:14,318 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:39:14,318 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:39:14,319 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:39:14,319 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:14" (3/4) ... [2020-11-28 04:39:14,322 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 04:39:14,366 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_787b5a3f-cb81-44f9-8da6-2a4b9b6a2764/bin/ukojak/witness.graphml [2020-11-28 04:39:14,367 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:39:14,369 INFO L168 Benchmark]: Toolchain (without parser) took 903.60 ms. Allocated memory is still 94.4 MB. Free memory was 74.6 MB in the beginning and 43.5 MB in the end (delta: 31.1 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:14,372 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 77.6 MB. Free memory is still 53.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:39:14,373 INFO L168 Benchmark]: CACSL2BoogieTranslator took 257.02 ms. Allocated memory is still 94.4 MB. Free memory was 74.6 MB in the beginning and 66.1 MB in the end (delta: 8.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:14,375 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.17 ms. Allocated memory is still 94.4 MB. Free memory was 66.1 MB in the beginning and 64.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:39:14,380 INFO L168 Benchmark]: Boogie Preprocessor took 19.19 ms. Allocated memory is still 94.4 MB. Free memory was 64.8 MB in the beginning and 63.8 MB in the end (delta: 998.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:14,380 INFO L168 Benchmark]: RCFGBuilder took 277.85 ms. Allocated memory is still 94.4 MB. Free memory was 63.8 MB in the beginning and 54.0 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:14,381 INFO L168 Benchmark]: CodeCheck took 246.44 ms. Allocated memory is still 94.4 MB. Free memory was 54.0 MB in the beginning and 45.3 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:14,383 INFO L168 Benchmark]: Witness Printer took 48.54 ms. Allocated memory is still 94.4 MB. Free memory was 45.3 MB in the beginning and 43.8 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:39:14,392 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 1 procedures, 12 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.1s, 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, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 18]: integer overflow possible integer overflow possible We found a FailurePath: [L12] int x; [L13] x = __VERIFIER_nondet_int() [L14] COND TRUE x >= 0 [L15] COND FALSE !(__VERIFIER_nondet_int() != 0) [L18] x + 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 77.6 MB. Free memory is still 53.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 257.02 ms. Allocated memory is still 94.4 MB. Free memory was 74.6 MB in the beginning and 66.1 MB in the end (delta: 8.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 32.17 ms. Allocated memory is still 94.4 MB. Free memory was 66.1 MB in the beginning and 64.8 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.19 ms. Allocated memory is still 94.4 MB. Free memory was 64.8 MB in the beginning and 63.8 MB in the end (delta: 998.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 277.85 ms. Allocated memory is still 94.4 MB. Free memory was 63.8 MB in the beginning and 54.0 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 246.44 ms. Allocated memory is still 94.4 MB. Free memory was 54.0 MB in the beginning and 45.3 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Witness Printer took 48.54 ms. Allocated memory is still 94.4 MB. Free memory was 45.3 MB in the beginning and 43.8 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...