./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/aaron3-2.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_10eba7b7-0a10-4983-b3f3-bc3a7886b1a5/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_10eba7b7-0a10-4983-b3f3-bc3a7886b1a5/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_10eba7b7-0a10-4983-b3f3-bc3a7886b1a5/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_10eba7b7-0a10-4983-b3f3-bc3a7886b1a5/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/aaron3-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_10eba7b7-0a10-4983-b3f3-bc3a7886b1a5/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_10eba7b7-0a10-4983-b3f3-bc3a7886b1a5/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 3d90e09f5aa9d4fc1e26aca666a490bdfa0e1d07 ................................................................................................................................................................................................................ 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 21:18:32,082 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 21:18:32,084 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 21:18:32,155 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 21:18:32,156 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 21:18:32,157 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 21:18:32,159 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 21:18:32,161 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 21:18:32,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 21:18:32,165 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 21:18:32,166 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 21:18:32,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 21:18:32,168 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 21:18:32,170 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 21:18:32,171 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 21:18:32,173 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 21:18:32,174 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 21:18:32,175 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 21:18:32,177 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 21:18:32,180 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 21:18:32,182 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 21:18:32,184 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 21:18:32,185 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 21:18:32,186 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 21:18:32,190 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 21:18:32,190 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 21:18:32,190 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 21:18:32,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 21:18:32,192 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 21:18:32,193 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 21:18:32,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 21:18:32,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 21:18:32,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 21:18:32,197 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 21:18:32,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 21:18:32,199 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 21:18:32,199 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 21:18:32,200 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 21:18:32,200 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 21:18:32,201 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 21:18:32,202 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 21:18:32,203 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_10eba7b7-0a10-4983-b3f3-bc3a7886b1a5/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2020-11-29 21:18:32,225 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 21:18:32,225 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 21:18:32,226 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 21:18:32,226 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 21:18:32,227 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 21:18:32,227 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 21:18:32,227 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 21:18:32,228 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 21:18:32,228 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 21:18:32,228 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 21:18:32,228 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 21:18:32,229 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 21:18:32,229 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 21:18:32,229 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-29 21:18:32,229 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 21:18:32,229 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 21:18:32,230 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 21:18:32,230 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 21:18:32,230 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 21:18:32,230 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 21:18:32,231 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 21:18:32,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 21:18:32,231 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 21:18:32,231 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 21:18:32,231 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 21:18:32,232 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 21:18:32,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 21:18:32,232 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 21:18:32,232 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_10eba7b7-0a10-4983-b3f3-bc3a7886b1a5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_10eba7b7-0a10-4983-b3f3-bc3a7886b1a5/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d90e09f5aa9d4fc1e26aca666a490bdfa0e1d07 [2020-11-29 21:18:32,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 21:18:32,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 21:18:32,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 21:18:32,528 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 21:18:32,529 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 21:18:32,532 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_10eba7b7-0a10-4983-b3f3-bc3a7886b1a5/bin/ukojak/../../sv-benchmarks/c/termination-crafted/aaron3-2.c [2020-11-29 21:18:32,667 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_10eba7b7-0a10-4983-b3f3-bc3a7886b1a5/bin/ukojak/data/6cfa76d02/799da9e352314a9992eaeb9b4144d2b0/FLAG741fc9bab [2020-11-29 21:18:33,106 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 21:18:33,107 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_10eba7b7-0a10-4983-b3f3-bc3a7886b1a5/sv-benchmarks/c/termination-crafted/aaron3-2.c [2020-11-29 21:18:33,112 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_10eba7b7-0a10-4983-b3f3-bc3a7886b1a5/bin/ukojak/data/6cfa76d02/799da9e352314a9992eaeb9b4144d2b0/FLAG741fc9bab [2020-11-29 21:18:33,522 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_10eba7b7-0a10-4983-b3f3-bc3a7886b1a5/bin/ukojak/data/6cfa76d02/799da9e352314a9992eaeb9b4144d2b0 [2020-11-29 21:18:33,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 21:18:33,527 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 21:18:33,529 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 21:18:33,529 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 21:18:33,533 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 21:18:33,534 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:18:33" (1/1) ... [2020-11-29 21:18:33,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@110e93b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:33, skipping insertion in model container [2020-11-29 21:18:33,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 09:18:33" (1/1) ... [2020-11-29 21:18:33,546 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 21:18:33,561 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 21:18:33,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:18:33,725 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 21:18:33,753 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 21:18:33,764 INFO L208 MainTranslator]: Completed translation [2020-11-29 21:18:33,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:33 WrapperNode [2020-11-29 21:18:33,765 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 21:18:33,766 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 21:18:33,766 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 21:18:33,766 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 21:18:33,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:33" (1/1) ... [2020-11-29 21:18:33,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:33" (1/1) ... [2020-11-29 21:18:33,811 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 21:18:33,816 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 21:18:33,816 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 21:18:33,816 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 21:18:33,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:33" (1/1) ... [2020-11-29 21:18:33,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:33" (1/1) ... [2020-11-29 21:18:33,830 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:33" (1/1) ... [2020-11-29 21:18:33,831 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:33" (1/1) ... [2020-11-29 21:18:33,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:33" (1/1) ... [2020-11-29 21:18:33,850 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:33" (1/1) ... [2020-11-29 21:18:33,852 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:33" (1/1) ... [2020-11-29 21:18:33,861 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 21:18:33,865 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 21:18:33,865 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 21:18:33,865 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 21:18:33,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 09:18:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_10eba7b7-0a10-4983-b3f3-bc3a7886b1a5/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 21:18:33,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 21:18:33,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 21:18:34,378 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 21:18:34,378 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-29 21:18:34,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:18:34 BoogieIcfgContainer [2020-11-29 21:18:34,381 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 21:18:34,382 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 21:18:34,382 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 21:18:34,395 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 21:18:34,398 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:18:34" (1/1) ... [2020-11-29 21:18:34,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 21:18:34,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 21:18:34,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2020-11-29 21:18:34,470 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2020-11-29 21:18:34,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-29 21:18:34,472 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 21:18:34,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:18:34,586 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:18:34,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:18:34,620 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:18:34,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:18:34,658 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:18:34,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 21:18:34,670 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 21:18:34,679 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2020-11-29 21:18:34,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 09:18:34 ImpRootNode [2020-11-29 21:18:34,695 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 21:18:34,696 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 21:18:34,696 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 21:18:34,697 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 21:18:34,697 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 09:18:34" (3/4) ... [2020-11-29 21:18:34,700 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-29 21:18:34,744 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_10eba7b7-0a10-4983-b3f3-bc3a7886b1a5/bin/ukojak/witness.graphml [2020-11-29 21:18:34,745 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 21:18:34,747 INFO L168 Benchmark]: Toolchain (without parser) took 1219.30 ms. Allocated memory is still 92.3 MB. Free memory was 60.5 MB in the beginning and 46.3 MB in the end (delta: 14.2 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. [2020-11-29 21:18:34,749 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 71.3 MB. Free memory was 32.4 MB in the beginning and 32.4 MB in the end (delta: 34.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:18:34,750 INFO L168 Benchmark]: CACSL2BoogieTranslator took 236.17 ms. Allocated memory is still 92.3 MB. Free memory was 60.3 MB in the beginning and 71.2 MB in the end (delta: -10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 21:18:34,754 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.48 ms. Allocated memory is still 92.3 MB. Free memory was 71.2 MB in the beginning and 69.7 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:18:34,755 INFO L168 Benchmark]: Boogie Preprocessor took 48.06 ms. Allocated memory is still 92.3 MB. Free memory was 69.7 MB in the beginning and 68.9 MB in the end (delta: 795.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:18:34,756 INFO L168 Benchmark]: RCFGBuilder took 516.23 ms. Allocated memory is still 92.3 MB. Free memory was 68.9 MB in the beginning and 57.6 MB in the end (delta: 11.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 21:18:34,758 INFO L168 Benchmark]: CodeCheck took 313.90 ms. Allocated memory is still 92.3 MB. Free memory was 57.6 MB in the beginning and 47.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 21:18:34,759 INFO L168 Benchmark]: Witness Printer took 48.86 ms. Allocated memory is still 92.3 MB. Free memory was 47.5 MB in the beginning and 46.3 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 21:18:34,764 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, 19 locations, 6 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, 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: 21]: integer overflow possible integer overflow possible We found a FailurePath: [L16] int x, y, z, tx; [L17] x = __VERIFIER_nondet_int() [L18] y = __VERIFIER_nondet_int() [L19] z = __VERIFIER_nondet_int() [L20] tx = __VERIFIER_nondet_int() [L21] x >= y && x <= tx + z [L21] tx + z * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 71.3 MB. Free memory was 32.4 MB in the beginning and 32.4 MB in the end (delta: 34.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 236.17 ms. Allocated memory is still 92.3 MB. Free memory was 60.3 MB in the beginning and 71.2 MB in the end (delta: -10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 48.48 ms. Allocated memory is still 92.3 MB. Free memory was 71.2 MB in the beginning and 69.7 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.06 ms. Allocated memory is still 92.3 MB. Free memory was 69.7 MB in the beginning and 68.9 MB in the end (delta: 795.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 516.23 ms. Allocated memory is still 92.3 MB. Free memory was 68.9 MB in the beginning and 57.6 MB in the end (delta: 11.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 313.90 ms. Allocated memory is still 92.3 MB. Free memory was 57.6 MB in the beginning and 47.5 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Witness Printer took 48.86 ms. Allocated memory is still 92.3 MB. Free memory was 47.5 MB in the beginning and 46.3 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...