./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/signedintegeroverflow-regression/AdditionIntMin.i --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_affa03d6-e3a4-4275-9692-ec086051a473/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_affa03d6-e3a4-4275-9692-ec086051a473/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_affa03d6-e3a4-4275-9692-ec086051a473/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_affa03d6-e3a4-4275-9692-ec086051a473/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/signedintegeroverflow-regression/AdditionIntMin.i -s /tmp/vcloud-vcloud-master/worker/run_dir_affa03d6-e3a4-4275-9692-ec086051a473/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_affa03d6-e3a4-4275-9692-ec086051a473/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 8586441a08b46391c3ae26469a94ac820a4b60b0 .................................................................................................................................................................................................................... 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 [2020-12-03 11:02:08,442 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 11:02:08,450 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 11:02:08,510 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 11:02:08,511 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 11:02:08,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 11:02:08,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 11:02:08,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 11:02:08,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 11:02:08,532 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 11:02:08,534 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 11:02:08,536 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 11:02:08,536 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 11:02:08,540 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 11:02:08,542 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 11:02:08,544 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 11:02:08,546 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 11:02:08,550 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 11:02:08,553 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 11:02:08,561 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 11:02:08,564 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 11:02:08,565 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 11:02:08,567 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 11:02:08,568 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 11:02:08,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 11:02:08,578 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 11:02:08,578 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 11:02:08,580 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 11:02:08,581 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 11:02:08,582 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 11:02:08,582 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 11:02:08,584 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 11:02:08,586 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 11:02:08,587 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 11:02:08,588 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 11:02:08,589 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 11:02:08,590 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 11:02:08,590 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 11:02:08,590 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 11:02:08,591 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 11:02:08,592 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 11:02:08,595 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_affa03d6-e3a4-4275-9692-ec086051a473/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2020-12-03 11:02:08,639 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 11:02:08,640 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 11:02:08,641 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-03 11:02:08,642 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-03 11:02:08,642 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-03 11:02:08,643 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-03 11:02:08,643 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 11:02:08,643 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-03 11:02:08,644 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-03 11:02:08,645 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 11:02:08,646 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-03 11:02:08,646 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 11:02:08,646 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-03 11:02:08,647 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-03 11:02:08,647 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-03 11:02:08,647 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 11:02:08,647 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-03 11:02:08,648 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-03 11:02:08,648 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-03 11:02:08,649 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 11:02:08,650 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-03 11:02:08,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-03 11:02:08,656 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 11:02:08,656 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 11:02:08,657 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-03 11:02:08,657 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-03 11:02:08,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-03 11:02:08,657 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-03 11:02:08,658 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_affa03d6-e3a4-4275-9692-ec086051a473/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_affa03d6-e3a4-4275-9692-ec086051a473/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8586441a08b46391c3ae26469a94ac820a4b60b0 [2020-12-03 11:02:08,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 11:02:08,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 11:02:08,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 11:02:08,957 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 11:02:08,958 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 11:02:08,959 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_affa03d6-e3a4-4275-9692-ec086051a473/bin/ukojak/../../sv-benchmarks/c/signedintegeroverflow-regression/AdditionIntMin.i [2020-12-03 11:02:09,077 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_affa03d6-e3a4-4275-9692-ec086051a473/bin/ukojak/data/8ec7cf57c/4820f994622e43ebb854af6db1290b4e/FLAG70e9ae043 [2020-12-03 11:02:09,625 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 11:02:09,626 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_affa03d6-e3a4-4275-9692-ec086051a473/sv-benchmarks/c/signedintegeroverflow-regression/AdditionIntMin.i [2020-12-03 11:02:09,636 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_affa03d6-e3a4-4275-9692-ec086051a473/bin/ukojak/data/8ec7cf57c/4820f994622e43ebb854af6db1290b4e/FLAG70e9ae043 [2020-12-03 11:02:09,909 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_affa03d6-e3a4-4275-9692-ec086051a473/bin/ukojak/data/8ec7cf57c/4820f994622e43ebb854af6db1290b4e [2020-12-03 11:02:09,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 11:02:09,912 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 11:02:09,926 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 11:02:09,926 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 11:02:09,929 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 11:02:09,930 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 11:02:09" (1/1) ... [2020-12-03 11:02:09,932 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4161b6f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:02:09, skipping insertion in model container [2020-12-03 11:02:09,932 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 11:02:09" (1/1) ... [2020-12-03 11:02:09,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 11:02:09,976 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 11:02:10,279 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 11:02:10,288 INFO L203 MainTranslator]: Completed pre-run [2020-12-03 11:02:10,356 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 11:02:10,420 INFO L208 MainTranslator]: Completed translation [2020-12-03 11:02:10,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:02:10 WrapperNode [2020-12-03 11:02:10,423 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-03 11:02:10,424 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-03 11:02:10,424 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-03 11:02:10,425 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-03 11:02:10,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:02:10" (1/1) ... [2020-12-03 11:02:10,461 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:02:10" (1/1) ... [2020-12-03 11:02:10,485 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-03 11:02:10,489 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-03 11:02:10,490 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-03 11:02:10,490 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-03 11:02:10,499 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:02:10" (1/1) ... [2020-12-03 11:02:10,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:02:10" (1/1) ... [2020-12-03 11:02:10,507 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:02:10" (1/1) ... [2020-12-03 11:02:10,508 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:02:10" (1/1) ... [2020-12-03 11:02:10,519 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:02:10" (1/1) ... [2020-12-03 11:02:10,521 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:02:10" (1/1) ... [2020-12-03 11:02:10,530 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:02:10" (1/1) ... [2020-12-03 11:02:10,532 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-03 11:02:10,533 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-03 11:02:10,533 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-03 11:02:10,534 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-03 11:02:10,535 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:02:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_affa03d6-e3a4-4275-9692-ec086051a473/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 [2020-12-03 11:02:10,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-03 11:02:10,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-03 11:02:10,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-03 11:02:10,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-03 11:02:10,904 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-03 11:02:10,904 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-03 11:02:10,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 11:02:10 BoogieIcfgContainer [2020-12-03 11:02:10,907 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-03 11:02:10,907 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-03 11:02:10,908 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-03 11:02:10,925 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-03 11:02:10,925 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 11:02:10" (1/1) ... [2020-12-03 11:02:10,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 11:02:11,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:02:11,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 10 states and 9 transitions. [2020-12-03 11:02:11,032 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2020-12-03 11:02:11,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2020-12-03 11:02:11,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:02:11,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:02:11,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:02:11,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:02:11,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 9 states and 8 transitions. [2020-12-03 11:02:11,340 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2020-12-03 11:02:11,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-03 11:02:11,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:02:11,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-03 11:02:11,363 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-03 11:02:11,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-03 11:02:11,379 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-03 11:02:11,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-03 11:02:11,409 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-03 11:02:11,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-03 11:02:11,415 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-03 11:02:11,427 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2020-12-03 11:02:11,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 11:02:11 ImpRootNode [2020-12-03 11:02:11,445 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-03 11:02:11,446 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-03 11:02:11,446 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-03 11:02:11,446 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-03 11:02:11,447 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 11:02:10" (3/4) ... [2020-12-03 11:02:11,449 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-03 11:02:11,480 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_affa03d6-e3a4-4275-9692-ec086051a473/bin/ukojak/witness.graphml [2020-12-03 11:02:11,480 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-03 11:02:11,482 INFO L168 Benchmark]: Toolchain (without parser) took 1569.12 ms. Allocated memory was 88.1 MB in the beginning and 117.4 MB in the end (delta: 29.4 MB). Free memory was 55.7 MB in the beginning and 83.3 MB in the end (delta: -27.6 MB). Peak memory consumption was 2.9 MB. Max. memory is 16.1 GB. [2020-12-03 11:02:11,483 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 88.1 MB. Free memory was 45.7 MB in the beginning and 45.6 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 11:02:11,484 INFO L168 Benchmark]: CACSL2BoogieTranslator took 497.48 ms. Allocated memory is still 88.1 MB. Free memory was 55.6 MB in the beginning and 56.6 MB in the end (delta: -1.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-03 11:02:11,485 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.89 ms. Allocated memory is still 88.1 MB. Free memory was 56.6 MB in the beginning and 55.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-03 11:02:11,486 INFO L168 Benchmark]: Boogie Preprocessor took 43.05 ms. Allocated memory is still 88.1 MB. Free memory was 55.0 MB in the beginning and 54.0 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 11:02:11,486 INFO L168 Benchmark]: RCFGBuilder took 373.82 ms. Allocated memory is still 88.1 MB. Free memory was 54.0 MB in the beginning and 41.6 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-03 11:02:11,487 INFO L168 Benchmark]: CodeCheck took 537.58 ms. Allocated memory was 88.1 MB in the beginning and 117.4 MB in the end (delta: 29.4 MB). Free memory was 41.3 MB in the beginning and 84.9 MB in the end (delta: -43.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 11:02:11,488 INFO L168 Benchmark]: Witness Printer took 34.64 ms. Allocated memory is still 117.4 MB. Free memory was 84.9 MB in the beginning and 83.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-03 11:02:11,492 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, 10 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 4 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 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, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 333]: integer overflow possible integer overflow possible We found a FailurePath: [L332] int minInt = -2147483647 - 1; [L333] minInt + -1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 88.1 MB. Free memory was 45.7 MB in the beginning and 45.6 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 497.48 ms. Allocated memory is still 88.1 MB. Free memory was 55.6 MB in the beginning and 56.6 MB in the end (delta: -1.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 62.89 ms. Allocated memory is still 88.1 MB. Free memory was 56.6 MB in the beginning and 55.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 43.05 ms. Allocated memory is still 88.1 MB. Free memory was 55.0 MB in the beginning and 54.0 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 373.82 ms. Allocated memory is still 88.1 MB. Free memory was 54.0 MB in the beginning and 41.6 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 537.58 ms. Allocated memory was 88.1 MB in the beginning and 117.4 MB in the end (delta: 29.4 MB). Free memory was 41.3 MB in the beginning and 84.9 MB in the end (delta: -43.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 34.64 ms. Allocated memory is still 117.4 MB. Free memory was 84.9 MB in the beginning and 83.3 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...