./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-aaron3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_bb653cc9-5c86-4ec4-8687-21e1dd3b4ff3/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_bb653cc9-5c86-4ec4-8687-21e1dd3b4ff3/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bb653cc9-5c86-4ec4-8687-21e1dd3b4ff3/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bb653cc9-5c86-4ec4-8687-21e1dd3b4ff3/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-aaron3.c -s /tmp/vcloud-vcloud-master/worker/run_dir_bb653cc9-5c86-4ec4-8687-21e1dd3b4ff3/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bb653cc9-5c86-4ec4-8687-21e1dd3b4ff3/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 85b5fa864f69ebf889181ade3648cf44dfb1b8d6 ............................................................................................................................................................................................................... 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 0.2.0-69874e2 [2020-12-01 16:43:16,395 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:43:16,399 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:43:16,476 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:43:16,478 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:43:16,487 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:43:16,489 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:43:16,493 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:43:16,497 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:43:16,499 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:43:16,501 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:43:16,504 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:43:16,505 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:43:16,507 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:43:16,509 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:43:16,511 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:43:16,513 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:43:16,515 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:43:16,519 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:43:16,523 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:43:16,527 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:43:16,532 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:43:16,534 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:43:16,536 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:43:16,542 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:43:16,543 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:43:16,543 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:43:16,554 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:43:16,555 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:43:16,557 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:43:16,558 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:43:16,560 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:43:16,564 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:43:16,565 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:43:16,568 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:43:16,569 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:43:16,570 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:43:16,571 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:43:16,571 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:43:16,574 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:43:16,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:43:16,578 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bb653cc9-5c86-4ec4-8687-21e1dd3b4ff3/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2020-12-01 16:43:16,646 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:43:16,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:43:16,647 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:43:16,648 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:43:16,652 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:43:16,653 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:43:16,653 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:43:16,653 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 16:43:16,654 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:43:16,654 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:43:16,655 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:43:16,656 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:43:16,656 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:43:16,681 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-01 16:43:16,681 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:43:16,681 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:43:16,681 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:43:16,682 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:43:16,682 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:43:16,682 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:43:16,682 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:43:16,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:43:16,683 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:43:16,683 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:43:16,683 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:43:16,684 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:43:16,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:43:16,684 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:43:16,684 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_bb653cc9-5c86-4ec4-8687-21e1dd3b4ff3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_bb653cc9-5c86-4ec4-8687-21e1dd3b4ff3/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85b5fa864f69ebf889181ade3648cf44dfb1b8d6 [2020-12-01 16:43:17,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:43:17,167 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:43:17,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:43:17,174 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:43:17,176 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:43:17,177 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bb653cc9-5c86-4ec4-8687-21e1dd3b4ff3/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-aaron3.c [2020-12-01 16:43:17,265 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bb653cc9-5c86-4ec4-8687-21e1dd3b4ff3/bin/ukojak/data/77cedad85/b911e88ee00d44219dcad0bfc4f201a0/FLAGcacd1b1cd [2020-12-01 16:43:17,808 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:43:17,811 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bb653cc9-5c86-4ec4-8687-21e1dd3b4ff3/sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-aaron3.c [2020-12-01 16:43:17,825 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bb653cc9-5c86-4ec4-8687-21e1dd3b4ff3/bin/ukojak/data/77cedad85/b911e88ee00d44219dcad0bfc4f201a0/FLAGcacd1b1cd [2020-12-01 16:43:18,161 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bb653cc9-5c86-4ec4-8687-21e1dd3b4ff3/bin/ukojak/data/77cedad85/b911e88ee00d44219dcad0bfc4f201a0 [2020-12-01 16:43:18,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:43:18,194 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:43:18,210 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:43:18,210 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:43:18,228 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:43:18,229 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:43:18" (1/1) ... [2020-12-01 16:43:18,233 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a080256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:43:18, skipping insertion in model container [2020-12-01 16:43:18,233 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:43:18" (1/1) ... [2020-12-01 16:43:18,262 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:43:18,284 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:43:18,426 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:43:18,431 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:43:18,449 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:43:18,466 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:43:18,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:43:18 WrapperNode [2020-12-01 16:43:18,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:43:18,469 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:43:18,469 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:43:18,470 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:43:18,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:43:18" (1/1) ... [2020-12-01 16:43:18,487 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:43:18" (1/1) ... [2020-12-01 16:43:18,512 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:43:18,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:43:18,513 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:43:18,514 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:43:18,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:43:18" (1/1) ... [2020-12-01 16:43:18,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:43:18" (1/1) ... [2020-12-01 16:43:18,527 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:43:18" (1/1) ... [2020-12-01 16:43:18,527 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:43:18" (1/1) ... [2020-12-01 16:43:18,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:43:18" (1/1) ... [2020-12-01 16:43:18,536 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:43:18" (1/1) ... [2020-12-01 16:43:18,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:43:18" (1/1) ... [2020-12-01 16:43:18,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:43:18,541 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:43:18,542 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:43:18,542 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:43:18,543 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:43:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bb653cc9-5c86-4ec4-8687-21e1dd3b4ff3/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 [2020-12-01 16:43:18,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:43:18,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:43:19,095 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:43:19,096 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-12-01 16:43:19,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:43:19 BoogieIcfgContainer [2020-12-01 16:43:19,099 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:43:19,100 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:43:19,101 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:43:19,134 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:43:19,138 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:43:19" (1/1) ... [2020-12-01 16:43:19,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:43:19,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:43:19,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2020-12-01 16:43:19,221 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2020-12-01 16:43:19,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 16:43:19,246 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:43:19,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:43:19,401 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:43:19,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:43:19,437 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:43:19,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:43:19,504 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:43:19,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:43:19,513 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:43:19,524 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2020-12-01 16:43:19,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:43:19 ImpRootNode [2020-12-01 16:43:19,548 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:43:19,549 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:43:19,549 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:43:19,549 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:43:19,550 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:43:19" (3/4) ... [2020-12-01 16:43:19,554 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 16:43:19,621 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_bb653cc9-5c86-4ec4-8687-21e1dd3b4ff3/bin/ukojak/witness.graphml [2020-12-01 16:43:19,621 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:43:19,629 INFO L168 Benchmark]: Toolchain (without parser) took 1433.31 ms. Allocated memory was 88.1 MB in the beginning and 123.7 MB in the end (delta: 35.7 MB). Free memory was 68.5 MB in the beginning and 102.2 MB in the end (delta: -33.7 MB). Peak memory consumption was 35.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:43:19,632 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 88.1 MB. Free memory is still 63.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:43:19,633 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.18 ms. Allocated memory is still 88.1 MB. Free memory was 68.5 MB in the beginning and 59.7 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:43:19,636 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.06 ms. Allocated memory is still 88.1 MB. Free memory was 59.7 MB in the beginning and 58.5 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:43:19,639 INFO L168 Benchmark]: Boogie Preprocessor took 26.95 ms. Allocated memory is still 88.1 MB. Free memory was 58.5 MB in the beginning and 57.6 MB in the end (delta: 908.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:43:19,642 INFO L168 Benchmark]: RCFGBuilder took 558.16 ms. Allocated memory is still 88.1 MB. Free memory was 57.3 MB in the beginning and 46.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:43:19,644 INFO L168 Benchmark]: CodeCheck took 447.83 ms. Allocated memory is still 88.1 MB. Free memory was 46.5 MB in the beginning and 36.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 16:43:19,646 INFO L168 Benchmark]: Witness Printer took 72.78 ms. Allocated memory was 88.1 MB in the beginning and 123.7 MB in the end (delta: 35.7 MB). Free memory was 36.4 MB in the beginning and 102.2 MB in the end (delta: -65.8 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2020-12-01 16:43:19,653 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: 0.3s, 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: 16]: integer overflow possible integer overflow possible We found a FailurePath: [L12] int x = __VERIFIER_nondet_int(); [L13] int y = __VERIFIER_nondet_int(); [L14] int z = __VERIFIER_nondet_int(); [L15] int tx = __VERIFIER_nondet_int(); [L16] x >= y && x <= tx + z [L16] tx + z * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 88.1 MB. Free memory is still 63.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 258.18 ms. Allocated memory is still 88.1 MB. Free memory was 68.5 MB in the beginning and 59.7 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.06 ms. Allocated memory is still 88.1 MB. Free memory was 59.7 MB in the beginning and 58.5 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.95 ms. Allocated memory is still 88.1 MB. Free memory was 58.5 MB in the beginning and 57.6 MB in the end (delta: 908.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 558.16 ms. Allocated memory is still 88.1 MB. Free memory was 57.3 MB in the beginning and 46.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 447.83 ms. Allocated memory is still 88.1 MB. Free memory was 46.5 MB in the beginning and 36.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Witness Printer took 72.78 ms. Allocated memory was 88.1 MB in the beginning and 123.7 MB in the end (delta: 35.7 MB). Free memory was 36.4 MB in the beginning and 102.2 MB in the end (delta: -65.8 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...