./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-aaron2.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_d2c7dd8e-4746-4ded-abb9-3397c8139e45/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d2c7dd8e-4746-4ded-abb9-3397c8139e45/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d2c7dd8e-4746-4ded-abb9-3397c8139e45/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d2c7dd8e-4746-4ded-abb9-3397c8139e45/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-aaron2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d2c7dd8e-4746-4ded-abb9-3397c8139e45/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d2c7dd8e-4746-4ded-abb9-3397c8139e45/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 262119fe031682dae4d4b195fdfee00948012fb3 ............................................................................................................................................................................................................... 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 04:41:04,849 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:41:04,851 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:41:04,890 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:41:04,891 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:41:04,896 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:41:04,899 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:41:04,910 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:41:04,912 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:41:04,918 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:41:04,919 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:41:04,921 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:41:04,921 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:41:04,925 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:41:04,926 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:41:04,929 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:41:04,930 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:41:04,933 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:41:04,936 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:41:04,944 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:41:04,946 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:41:04,947 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:41:04,949 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:41:04,950 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:41:04,963 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:41:04,963 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:41:04,964 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:41:04,966 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:41:04,966 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:41:04,967 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:41:04,968 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:41:04,969 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:41:04,971 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:41:04,972 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:41:04,973 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:41:04,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:41:04,975 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:41:04,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:41:04,975 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:41:04,976 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:41:04,980 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:41:04,982 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d2c7dd8e-4746-4ded-abb9-3397c8139e45/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2020-11-28 04:41:05,025 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:41:05,025 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:41:05,026 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:41:05,026 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:41:05,027 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:41:05,027 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:41:05,028 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:41:05,028 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 04:41:05,028 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:41:05,028 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:41:05,029 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:41:05,030 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:41:05,030 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:41:05,030 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-28 04:41:05,030 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:41:05,031 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:41:05,031 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:41:05,031 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:41:05,031 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:41:05,032 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:41:05,032 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:41:05,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:41:05,032 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:41:05,033 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:41:05,033 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:41:05,033 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:41:05,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:41:05,033 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:41:05,034 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_d2c7dd8e-4746-4ded-abb9-3397c8139e45/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d2c7dd8e-4746-4ded-abb9-3397c8139e45/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 262119fe031682dae4d4b195fdfee00948012fb3 [2020-11-28 04:41:05,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:41:05,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:41:05,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:41:05,395 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:41:05,397 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:41:05,398 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d2c7dd8e-4746-4ded-abb9-3397c8139e45/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-aaron2.c [2020-11-28 04:41:05,480 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d2c7dd8e-4746-4ded-abb9-3397c8139e45/bin/ukojak/data/a11739690/c75eddf8f72e45fd848ad26788aa0727/FLAG943503e0d [2020-11-28 04:41:05,908 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:41:05,908 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d2c7dd8e-4746-4ded-abb9-3397c8139e45/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-aaron2.c [2020-11-28 04:41:05,919 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d2c7dd8e-4746-4ded-abb9-3397c8139e45/bin/ukojak/data/a11739690/c75eddf8f72e45fd848ad26788aa0727/FLAG943503e0d [2020-11-28 04:41:06,288 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d2c7dd8e-4746-4ded-abb9-3397c8139e45/bin/ukojak/data/a11739690/c75eddf8f72e45fd848ad26788aa0727 [2020-11-28 04:41:06,291 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:41:06,292 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:41:06,295 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:41:06,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:41:06,299 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:41:06,301 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:41:06" (1/1) ... [2020-11-28 04:41:06,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b437c58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:06, skipping insertion in model container [2020-11-28 04:41:06,303 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:41:06" (1/1) ... [2020-11-28 04:41:06,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:41:06,322 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:41:06,458 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:41:06,483 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:41:06,506 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:41:06,517 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:41:06,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:06 WrapperNode [2020-11-28 04:41:06,519 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:41:06,521 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:41:06,522 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:41:06,522 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:41:06,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:06" (1/1) ... [2020-11-28 04:41:06,536 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:06" (1/1) ... [2020-11-28 04:41:06,559 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:41:06,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:41:06,562 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:41:06,562 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:41:06,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:06" (1/1) ... [2020-11-28 04:41:06,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:06" (1/1) ... [2020-11-28 04:41:06,571 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:06" (1/1) ... [2020-11-28 04:41:06,571 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:06" (1/1) ... [2020-11-28 04:41:06,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:06" (1/1) ... [2020-11-28 04:41:06,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:06" (1/1) ... [2020-11-28 04:41:06,576 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:06" (1/1) ... [2020-11-28 04:41:06,577 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:41:06,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:41:06,578 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:41:06,578 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:41:06,579 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d2c7dd8e-4746-4ded-abb9-3397c8139e45/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 04:41:06,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:41:06,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:41:07,019 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:41:07,019 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-28 04:41:07,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:41:07 BoogieIcfgContainer [2020-11-28 04:41:07,021 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:41:07,022 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:41:07,022 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:41:07,034 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:41:07,034 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:41:07" (1/1) ... [2020-11-28 04:41:07,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:41:07,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:07,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2020-11-28 04:41:07,090 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2020-11-28 04:41:07,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-28 04:41:07,092 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:07,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:41:07,176 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:41:07,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:41:07,195 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:41:07,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:41:07,240 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:41:07,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:41:07,250 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:41:07,257 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2020-11-28 04:41:07,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:41:07 ImpRootNode [2020-11-28 04:41:07,274 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:41:07,276 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:41:07,276 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:41:07,276 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:41:07,277 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:41:07" (3/4) ... [2020-11-28 04:41:07,279 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 04:41:07,320 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d2c7dd8e-4746-4ded-abb9-3397c8139e45/bin/ukojak/witness.graphml [2020-11-28 04:41:07,321 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:41:07,325 INFO L168 Benchmark]: Toolchain (without parser) took 1029.14 ms. Allocated memory is still 86.0 MB. Free memory was 55.2 MB in the beginning and 40.6 MB in the end (delta: 14.5 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. [2020-11-28 04:41:07,325 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 86.0 MB. Free memory was 45.7 MB in the beginning and 45.7 MB in the end (delta: 34.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:41:07,330 INFO L168 Benchmark]: CACSL2BoogieTranslator took 224.58 ms. Allocated memory is still 86.0 MB. Free memory was 55.0 MB in the beginning and 65.4 MB in the end (delta: -10.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:41:07,331 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.00 ms. Allocated memory is still 86.0 MB. Free memory was 65.4 MB in the beginning and 64.1 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:41:07,332 INFO L168 Benchmark]: Boogie Preprocessor took 16.02 ms. Allocated memory is still 86.0 MB. Free memory was 64.1 MB in the beginning and 63.3 MB in the end (delta: 814.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:41:07,333 INFO L168 Benchmark]: RCFGBuilder took 443.66 ms. Allocated memory is still 86.0 MB. Free memory was 63.3 MB in the beginning and 51.5 MB in the end (delta: 11.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:41:07,334 INFO L168 Benchmark]: CodeCheck took 251.73 ms. Allocated memory is still 86.0 MB. Free memory was 51.5 MB in the beginning and 42.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:41:07,334 INFO L168 Benchmark]: Witness Printer took 45.14 ms. Allocated memory is still 86.0 MB. Free memory was 42.2 MB in the beginning and 40.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:41:07,342 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, 20 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 19]: integer overflow possible integer overflow possible We found a FailurePath: [L12] int tx = __VERIFIER_nondet_int(); [L13] int x = __VERIFIER_nondet_int(); [L14] int y = __VERIFIER_nondet_int(); [L15] COND TRUE x >= y && tx >= 0 [L16] COND FALSE !(__VERIFIER_nondet_int()) [L19] y + 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 86.0 MB. Free memory was 45.7 MB in the beginning and 45.7 MB in the end (delta: 34.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 224.58 ms. Allocated memory is still 86.0 MB. Free memory was 55.0 MB in the beginning and 65.4 MB in the end (delta: -10.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.00 ms. Allocated memory is still 86.0 MB. Free memory was 65.4 MB in the beginning and 64.1 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 16.02 ms. Allocated memory is still 86.0 MB. Free memory was 64.1 MB in the beginning and 63.3 MB in the end (delta: 814.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 443.66 ms. Allocated memory is still 86.0 MB. Free memory was 63.3 MB in the beginning and 51.5 MB in the end (delta: 11.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 251.73 ms. Allocated memory is still 86.0 MB. Free memory was 51.5 MB in the beginning and 42.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Witness Printer took 45.14 ms. Allocated memory is still 86.0 MB. Free memory was 42.2 MB in the beginning and 40.6 MB in the end (delta: 1.6 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...