./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/jain_6-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4dff35f1-7786-45ae-89dc-49eb832309c2/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4dff35f1-7786-45ae-89dc-49eb832309c2/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4dff35f1-7786-45ae-89dc-49eb832309c2/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4dff35f1-7786-45ae-89dc-49eb832309c2/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/jain_6-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4dff35f1-7786-45ae-89dc-49eb832309c2/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4dff35f1-7786-45ae-89dc-49eb832309c2/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d5b7f4d55b02d12e73a22706afa0c236c1fae680 .................................................................................................................................................................................................................... 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 16:13:44,368 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:13:44,370 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:13:44,422 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:13:44,423 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:13:44,429 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:13:44,431 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:13:44,433 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:13:44,437 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:13:44,443 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:13:44,445 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:13:44,448 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:13:44,448 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:13:44,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:13:44,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:13:44,454 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:13:44,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:13:44,455 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:13:44,458 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:13:44,460 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:13:44,462 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:13:44,471 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:13:44,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:13:44,474 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:13:44,478 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:13:44,482 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:13:44,483 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:13:44,484 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:13:44,485 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:13:44,487 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:13:44,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:13:44,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:13:44,490 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:13:44,491 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:13:44,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:13:44,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:13:44,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:13:44,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:13:44,495 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:13:44,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:13:44,497 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:13:44,499 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4dff35f1-7786-45ae-89dc-49eb832309c2/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2020-12-01 16:13:44,536 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:13:44,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:13:44,537 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:13:44,537 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:13:44,538 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:13:44,538 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:13:44,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:13:44,538 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:13:44,538 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 16:13:44,539 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:13:44,539 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:13:44,539 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:13:44,539 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:13:44,539 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:13:44,540 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:13:44,540 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-01 16:13:44,540 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:13:44,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:13:44,540 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:13:44,540 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:13:44,541 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:13:44,541 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:13:44,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:13:44,541 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:13:44,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:13:44,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:13:44,542 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:13:44,542 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:13:44,542 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:13:44,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:13:44,543 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:13:44,543 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_4dff35f1-7786-45ae-89dc-49eb832309c2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4dff35f1-7786-45ae-89dc-49eb832309c2/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5b7f4d55b02d12e73a22706afa0c236c1fae680 [2020-12-01 16:13:44,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:13:44,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:13:44,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:13:44,844 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:13:44,846 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:13:44,847 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4dff35f1-7786-45ae-89dc-49eb832309c2/bin/ukojak/../../sv-benchmarks/c/bitvector/jain_6-2.c [2020-12-01 16:13:44,972 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4dff35f1-7786-45ae-89dc-49eb832309c2/bin/ukojak/data/e3838958e/0f55a02cea76403285f59e97dfbec69d/FLAG8dfe0d9ac [2020-12-01 16:13:45,552 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:13:45,553 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4dff35f1-7786-45ae-89dc-49eb832309c2/sv-benchmarks/c/bitvector/jain_6-2.c [2020-12-01 16:13:45,560 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4dff35f1-7786-45ae-89dc-49eb832309c2/bin/ukojak/data/e3838958e/0f55a02cea76403285f59e97dfbec69d/FLAG8dfe0d9ac [2020-12-01 16:13:45,932 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4dff35f1-7786-45ae-89dc-49eb832309c2/bin/ukojak/data/e3838958e/0f55a02cea76403285f59e97dfbec69d [2020-12-01 16:13:45,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:13:45,937 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:13:45,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:13:45,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:13:45,951 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:13:45,954 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:13:45" (1/1) ... [2020-12-01 16:13:45,957 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@94e31c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:45, skipping insertion in model container [2020-12-01 16:13:45,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:13:45" (1/1) ... [2020-12-01 16:13:45,966 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:13:45,983 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:13:46,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:13:46,158 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:13:46,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:13:46,211 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:13:46,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:46 WrapperNode [2020-12-01 16:13:46,212 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:13:46,213 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:13:46,213 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:13:46,213 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:13:46,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:46" (1/1) ... [2020-12-01 16:13:46,231 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:46" (1/1) ... [2020-12-01 16:13:46,255 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:13:46,256 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:13:46,257 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:13:46,257 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:13:46,266 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:46" (1/1) ... [2020-12-01 16:13:46,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:46" (1/1) ... [2020-12-01 16:13:46,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:46" (1/1) ... [2020-12-01 16:13:46,269 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:46" (1/1) ... [2020-12-01 16:13:46,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:46" (1/1) ... [2020-12-01 16:13:46,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:46" (1/1) ... [2020-12-01 16:13:46,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:46" (1/1) ... [2020-12-01 16:13:46,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:13:46,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:13:46,283 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:13:46,283 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:13:46,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:13:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4dff35f1-7786-45ae-89dc-49eb832309c2/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 16:13:46,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:13:46,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:13:46,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:13:46,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:13:46,795 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:13:46,795 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 16:13:46,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:13:46 BoogieIcfgContainer [2020-12-01 16:13:46,798 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:13:46,800 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:13:46,800 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:13:46,817 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:13:46,825 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:13:46" (1/1) ... [2020-12-01 16:13:46,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:13:46,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:13:46,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2020-12-01 16:13:46,929 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2020-12-01 16:13:46,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-01 16:13:46,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:13:47,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:13:47,081 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:13:47,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:13:47,123 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:13:47,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:13:47,222 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:13:47,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:13:47,245 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:13:47,266 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2020-12-01 16:13:47,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:13:47 ImpRootNode [2020-12-01 16:13:47,289 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:13:47,290 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:13:47,290 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:13:47,290 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:13:47,291 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:13:46" (3/4) ... [2020-12-01 16:13:47,293 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 16:13:47,330 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4dff35f1-7786-45ae-89dc-49eb832309c2/bin/ukojak/witness.graphml [2020-12-01 16:13:47,330 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:13:47,333 INFO L168 Benchmark]: Toolchain (without parser) took 1395.07 ms. Allocated memory is still 123.7 MB. Free memory was 93.0 MB in the beginning and 64.1 MB in the end (delta: 29.0 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:13:47,334 INFO L168 Benchmark]: CDTParser took 1.28 ms. Allocated memory is still 83.9 MB. Free memory is still 43.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:13:47,335 INFO L168 Benchmark]: CACSL2BoogieTranslator took 273.36 ms. Allocated memory is still 123.7 MB. Free memory was 92.7 MB in the beginning and 100.9 MB in the end (delta: -8.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:13:47,336 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.65 ms. Allocated memory is still 123.7 MB. Free memory was 100.6 MB in the beginning and 99.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:13:47,337 INFO L168 Benchmark]: Boogie Preprocessor took 25.27 ms. Allocated memory is still 123.7 MB. Free memory was 99.2 MB in the beginning and 98.1 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:13:47,338 INFO L168 Benchmark]: RCFGBuilder took 516.15 ms. Allocated memory is still 123.7 MB. Free memory was 98.1 MB in the beginning and 78.9 MB in the end (delta: 19.2 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-12-01 16:13:47,339 INFO L168 Benchmark]: CodeCheck took 489.84 ms. Allocated memory is still 123.7 MB. Free memory was 78.9 MB in the beginning and 66.0 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-01 16:13:47,340 INFO L168 Benchmark]: Witness Printer took 40.76 ms. Allocated memory is still 123.7 MB. Free memory was 65.6 MB in the beginning and 64.1 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:13:47,345 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, 43 locations, 20 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, 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: 22]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int x,y,z; [L16] x=0 [L17] y=0 [L18] z=0 [L20] COND TRUE 1 [L22] 2*__VERIFIER_nondet_int() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.28 ms. Allocated memory is still 83.9 MB. Free memory is still 43.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 273.36 ms. Allocated memory is still 123.7 MB. Free memory was 92.7 MB in the beginning and 100.9 MB in the end (delta: -8.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.65 ms. Allocated memory is still 123.7 MB. Free memory was 100.6 MB in the beginning and 99.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 25.27 ms. Allocated memory is still 123.7 MB. Free memory was 99.2 MB in the beginning and 98.1 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 516.15 ms. Allocated memory is still 123.7 MB. Free memory was 98.1 MB in the beginning and 78.9 MB in the end (delta: 19.2 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * CodeCheck took 489.84 ms. Allocated memory is still 123.7 MB. Free memory was 78.9 MB in the beginning and 66.0 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 40.76 ms. Allocated memory is still 123.7 MB. Free memory was 65.6 MB in the beginning and 64.1 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...