./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Mysore-1.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_8374f93a-b8ae-4ad3-8471-9c10198ebaf7/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8374f93a-b8ae-4ad3-8471-9c10198ebaf7/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8374f93a-b8ae-4ad3-8471-9c10198ebaf7/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8374f93a-b8ae-4ad3-8471-9c10198ebaf7/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Mysore-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8374f93a-b8ae-4ad3-8471-9c10198ebaf7/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8374f93a-b8ae-4ad3-8471-9c10198ebaf7/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 c5ec9f93b5d1d857adb6e5c1c104f501725285c2 .............................................................................................................................................................................................................. 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 04:38:51,330 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:38:51,334 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:38:51,407 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:38:51,408 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:38:51,422 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:38:51,436 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:38:51,439 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:38:51,441 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:38:51,443 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:38:51,444 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:38:51,446 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:38:51,447 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:38:51,453 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:38:51,455 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:38:51,458 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:38:51,459 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:38:51,463 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:38:51,467 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:38:51,476 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:38:51,479 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:38:51,481 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:38:51,483 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:38:51,485 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:38:51,495 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:38:51,495 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:38:51,496 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:38:51,498 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:38:51,499 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:38:51,500 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:38:51,501 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:38:51,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:38:51,505 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:38:51,506 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:38:51,508 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:38:51,508 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:38:51,509 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:38:51,510 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:38:51,510 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:38:51,511 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:38:51,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:38:51,516 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8374f93a-b8ae-4ad3-8471-9c10198ebaf7/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2020-11-28 04:38:51,560 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:38:51,561 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:38:51,562 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:38:51,563 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:38:51,563 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:38:51,564 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:38:51,564 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:38:51,564 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 04:38:51,564 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:38:51,565 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:38:51,566 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:38:51,566 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:38:51,566 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:38:51,567 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-28 04:38:51,567 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:38:51,567 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:38:51,567 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:38:51,567 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:38:51,568 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:38:51,568 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:38:51,568 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:38:51,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:38:51,569 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:38:51,569 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:38:51,569 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:38:51,569 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:38:51,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:38:51,570 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:38:51,570 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_8374f93a-b8ae-4ad3-8471-9c10198ebaf7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8374f93a-b8ae-4ad3-8471-9c10198ebaf7/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5ec9f93b5d1d857adb6e5c1c104f501725285c2 [2020-11-28 04:38:51,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:38:51,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:38:51,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:38:51,950 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:38:51,951 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:38:51,953 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8374f93a-b8ae-4ad3-8471-9c10198ebaf7/bin/ukojak/../../sv-benchmarks/c/termination-crafted/Mysore-1.c [2020-11-28 04:38:52,037 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8374f93a-b8ae-4ad3-8471-9c10198ebaf7/bin/ukojak/data/0a5b2048f/5290692d3996468593456c49bd2c3ec7/FLAG9558938e9 [2020-11-28 04:38:52,621 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:38:52,622 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8374f93a-b8ae-4ad3-8471-9c10198ebaf7/sv-benchmarks/c/termination-crafted/Mysore-1.c [2020-11-28 04:38:52,633 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8374f93a-b8ae-4ad3-8471-9c10198ebaf7/bin/ukojak/data/0a5b2048f/5290692d3996468593456c49bd2c3ec7/FLAG9558938e9 [2020-11-28 04:38:52,997 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8374f93a-b8ae-4ad3-8471-9c10198ebaf7/bin/ukojak/data/0a5b2048f/5290692d3996468593456c49bd2c3ec7 [2020-11-28 04:38:53,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:38:53,001 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:38:53,003 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:38:53,003 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:38:53,006 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:38:53,007 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:38:52" (1/1) ... [2020-11-28 04:38:53,009 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ef441e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:53, skipping insertion in model container [2020-11-28 04:38:53,009 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:38:52" (1/1) ... [2020-11-28 04:38:53,016 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:38:53,029 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:38:53,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:38:53,185 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:38:53,222 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:38:53,235 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:38:53,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:53 WrapperNode [2020-11-28 04:38:53,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:38:53,240 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:38:53,240 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:38:53,240 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:38:53,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:53" (1/1) ... [2020-11-28 04:38:53,257 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:53" (1/1) ... [2020-11-28 04:38:53,279 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:38:53,283 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:38:53,283 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:38:53,283 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:38:53,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:53" (1/1) ... [2020-11-28 04:38:53,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:53" (1/1) ... [2020-11-28 04:38:53,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:53" (1/1) ... [2020-11-28 04:38:53,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:53" (1/1) ... [2020-11-28 04:38:53,300 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:53" (1/1) ... [2020-11-28 04:38:53,305 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:53" (1/1) ... [2020-11-28 04:38:53,309 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:53" (1/1) ... [2020-11-28 04:38:53,310 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:38:53,313 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:38:53,313 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:38:53,313 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:38:53,314 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:38:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8374f93a-b8ae-4ad3-8471-9c10198ebaf7/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 04:38:53,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:38:53,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:38:53,583 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:38:53,584 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-28 04:38:53,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:38:53 BoogieIcfgContainer [2020-11-28 04:38:53,586 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:38:53,587 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:38:53,587 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:38:53,600 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:38:53,600 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:38:53" (1/1) ... [2020-11-28 04:38:53,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:38:53,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:38:53,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2020-11-28 04:38:53,657 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2020-11-28 04:38:53,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-28 04:38:53,659 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:38:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:38:53,763 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:38:53,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:38:53,777 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:38:53,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:38:53,847 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:38:53,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:38:53,859 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:38:53,865 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2020-11-28 04:38:53,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:38:53 ImpRootNode [2020-11-28 04:38:53,883 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:38:53,888 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:38:53,888 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:38:53,888 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:38:53,889 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:38:53" (3/4) ... [2020-11-28 04:38:53,891 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 04:38:53,939 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8374f93a-b8ae-4ad3-8471-9c10198ebaf7/bin/ukojak/witness.graphml [2020-11-28 04:38:53,939 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:38:53,941 INFO L168 Benchmark]: Toolchain (without parser) took 938.71 ms. Allocated memory is still 96.5 MB. Free memory was 69.5 MB in the beginning and 51.5 MB in the end (delta: 18.1 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:53,943 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 96.5 MB. Free memory is still 56.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:38:53,946 INFO L168 Benchmark]: CACSL2BoogieTranslator took 236.01 ms. Allocated memory is still 96.5 MB. Free memory was 69.3 MB in the beginning and 74.3 MB in the end (delta: -5.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:53,948 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.34 ms. Allocated memory is still 96.5 MB. Free memory was 74.3 MB in the beginning and 73.1 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:38:53,954 INFO L168 Benchmark]: Boogie Preprocessor took 27.12 ms. Allocated memory is still 96.5 MB. Free memory was 73.1 MB in the beginning and 72.2 MB in the end (delta: 893.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:38:53,955 INFO L168 Benchmark]: RCFGBuilder took 273.56 ms. Allocated memory is still 96.5 MB. Free memory was 71.9 MB in the beginning and 61.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:53,956 INFO L168 Benchmark]: CodeCheck took 296.02 ms. Allocated memory is still 96.5 MB. Free memory was 61.9 MB in the beginning and 53.2 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:53,957 INFO L168 Benchmark]: Witness Printer took 51.22 ms. Allocated memory is still 96.5 MB. Free memory was 53.0 MB in the beginning and 51.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:38:53,967 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, 17 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, 3 NumberOfCodeBlocks, 3 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: 19]: integer overflow possible integer overflow possible We found a FailurePath: [L15] int c, x; [L16] x = __VERIFIER_nondet_int() [L17] c = __VERIFIER_nondet_int() [L18] COND TRUE c >= 2 [L19] x + c * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 96.5 MB. Free memory is still 56.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 236.01 ms. Allocated memory is still 96.5 MB. Free memory was 69.3 MB in the beginning and 74.3 MB in the end (delta: -5.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.34 ms. Allocated memory is still 96.5 MB. Free memory was 74.3 MB in the beginning and 73.1 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.12 ms. Allocated memory is still 96.5 MB. Free memory was 73.1 MB in the beginning and 72.2 MB in the end (delta: 893.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 273.56 ms. Allocated memory is still 96.5 MB. Free memory was 71.9 MB in the beginning and 61.9 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 296.02 ms. Allocated memory is still 96.5 MB. Free memory was 61.9 MB in the beginning and 53.2 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Witness Printer took 51.22 ms. Allocated memory is still 96.5 MB. Free memory was 53.0 MB in the beginning and 51.5 MB in the end (delta: 1.5 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...