./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Toulouse-BranchesToLoop-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_5c3b9de8-ad7b-47be-b63d-8b004b9b3465/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5c3b9de8-ad7b-47be-b63d-8b004b9b3465/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5c3b9de8-ad7b-47be-b63d-8b004b9b3465/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5c3b9de8-ad7b-47be-b63d-8b004b9b3465/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Toulouse-BranchesToLoop-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5c3b9de8-ad7b-47be-b63d-8b004b9b3465/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5c3b9de8-ad7b-47be-b63d-8b004b9b3465/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 46206f7a86b26e5772618ef155399955c07418b5 ......................................................................................................................................................................................................................... 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 [2020-11-30 00:58:16,411 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:58:16,443 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:58:16,512 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:58:16,514 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:58:16,520 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:58:16,523 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:58:16,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:58:16,532 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:58:16,539 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:58:16,540 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:58:16,543 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:58:16,544 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:58:16,548 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:58:16,550 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:58:16,553 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:58:16,556 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:58:16,560 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:58:16,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:58:16,573 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:58:16,575 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:58:16,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:58:16,580 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:58:16,582 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:58:16,591 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:58:16,592 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:58:16,592 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:58:16,595 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:58:16,596 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:58:16,597 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:58:16,598 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:58:16,600 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:58:16,602 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:58:16,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:58:16,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:58:16,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:58:16,607 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:58:16,608 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:58:16,608 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:58:16,610 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:58:16,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:58:16,614 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5c3b9de8-ad7b-47be-b63d-8b004b9b3465/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2020-11-30 00:58:16,664 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:58:16,665 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:58:16,667 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 00:58:16,667 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-30 00:58:16,668 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:58:16,668 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:58:16,669 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:58:16,669 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 00:58:16,669 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:58:16,670 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:58:16,671 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:58:16,671 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:58:16,672 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:58:16,672 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-30 00:58:16,672 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:58:16,672 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:58:16,673 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:58:16,673 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-30 00:58:16,673 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-30 00:58:16,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:58:16,674 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:58:16,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-30 00:58:16,674 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:58:16,675 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:58:16,675 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:58:16,675 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-30 00:58:16,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:58:16,676 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:58:16,676 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_5c3b9de8-ad7b-47be-b63d-8b004b9b3465/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5c3b9de8-ad7b-47be-b63d-8b004b9b3465/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46206f7a86b26e5772618ef155399955c07418b5 [2020-11-30 00:58:17,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:58:17,056 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:58:17,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:58:17,061 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:58:17,062 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:58:17,064 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5c3b9de8-ad7b-47be-b63d-8b004b9b3465/bin/ukojak/../../sv-benchmarks/c/termination-crafted/Toulouse-BranchesToLoop-1.c [2020-11-30 00:58:17,157 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5c3b9de8-ad7b-47be-b63d-8b004b9b3465/bin/ukojak/data/71c53533c/d57aaf5673c34c9aa464df532f4c206e/FLAGf4a609bc9 [2020-11-30 00:58:17,777 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:58:17,778 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5c3b9de8-ad7b-47be-b63d-8b004b9b3465/sv-benchmarks/c/termination-crafted/Toulouse-BranchesToLoop-1.c [2020-11-30 00:58:17,786 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5c3b9de8-ad7b-47be-b63d-8b004b9b3465/bin/ukojak/data/71c53533c/d57aaf5673c34c9aa464df532f4c206e/FLAGf4a609bc9 [2020-11-30 00:58:18,178 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5c3b9de8-ad7b-47be-b63d-8b004b9b3465/bin/ukojak/data/71c53533c/d57aaf5673c34c9aa464df532f4c206e [2020-11-30 00:58:18,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:58:18,184 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:58:18,189 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:58:18,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:58:18,193 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:58:18,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:58:18" (1/1) ... [2020-11-30 00:58:18,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@240cfd0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:58:18, skipping insertion in model container [2020-11-30 00:58:18,197 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:58:18" (1/1) ... [2020-11-30 00:58:18,205 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:58:18,224 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:58:18,438 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:58:18,457 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:58:18,493 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:58:18,511 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:58:18,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:58:18 WrapperNode [2020-11-30 00:58:18,512 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:58:18,513 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:58:18,514 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:58:18,514 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:58:18,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:58:18" (1/1) ... [2020-11-30 00:58:18,528 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:58:18" (1/1) ... [2020-11-30 00:58:18,547 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:58:18,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:58:18,548 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:58:18,549 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:58:18,558 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:58:18" (1/1) ... [2020-11-30 00:58:18,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:58:18" (1/1) ... [2020-11-30 00:58:18,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:58:18" (1/1) ... [2020-11-30 00:58:18,560 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:58:18" (1/1) ... [2020-11-30 00:58:18,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:58:18" (1/1) ... [2020-11-30 00:58:18,566 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:58:18" (1/1) ... [2020-11-30 00:58:18,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:58:18" (1/1) ... [2020-11-30 00:58:18,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:58:18,570 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:58:18,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:58:18,571 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:58:18,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:58:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5c3b9de8-ad7b-47be-b63d-8b004b9b3465/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 [2020-11-30 00:58:18,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:58:18,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:58:18,983 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:58:18,983 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-30 00:58:18,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:58:18 BoogieIcfgContainer [2020-11-30 00:58:18,986 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:58:18,987 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-30 00:58:18,987 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-30 00:58:19,008 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-30 00:58:19,008 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:58:18" (1/1) ... [2020-11-30 00:58:19,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:58:19,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:58:19,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2020-11-30 00:58:19,068 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2020-11-30 00:58:19,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-30 00:58:19,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:58:19,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:58:19,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:58:19,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-30 00:58:19,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2020-11-30 00:58:19,401 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2020-11-30 00:58:19,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-30 00:58:19,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-30 00:58:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:58:19,417 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:58:19,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:58:19,444 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:58:19,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:58:19,485 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:58:19,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:58:19,494 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:58:19,505 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2020-11-30 00:58:19,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 30.11 12:58:19 ImpRootNode [2020-11-30 00:58:19,526 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-30 00:58:19,528 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:58:19,528 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:58:19,528 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:58:19,529 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:58:18" (3/4) ... [2020-11-30 00:58:19,532 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-30 00:58:19,616 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5c3b9de8-ad7b-47be-b63d-8b004b9b3465/bin/ukojak/witness.graphml [2020-11-30 00:58:19,616 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:58:19,620 INFO L168 Benchmark]: Toolchain (without parser) took 1433.47 ms. Allocated memory was 96.5 MB in the beginning and 130.0 MB in the end (delta: 33.6 MB). Free memory was 67.7 MB in the beginning and 107.8 MB in the end (delta: -40.1 MB). Peak memory consumption was 25.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:58:19,620 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 96.5 MB. Free memory is still 53.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:58:19,622 INFO L168 Benchmark]: CACSL2BoogieTranslator took 323.16 ms. Allocated memory is still 96.5 MB. Free memory was 67.5 MB in the beginning and 75.6 MB in the end (delta: -8.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:58:19,624 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.03 ms. Allocated memory is still 96.5 MB. Free memory was 75.6 MB in the beginning and 74.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:58:19,624 INFO L168 Benchmark]: Boogie Preprocessor took 21.09 ms. Allocated memory is still 96.5 MB. Free memory was 74.3 MB in the beginning and 73.4 MB in the end (delta: 820.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:58:19,629 INFO L168 Benchmark]: RCFGBuilder took 415.95 ms. Allocated memory is still 96.5 MB. Free memory was 73.4 MB in the beginning and 61.3 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:58:19,630 INFO L168 Benchmark]: CodeCheck took 539.70 ms. Allocated memory is still 96.5 MB. Free memory was 61.3 MB in the beginning and 44.1 MB in the end (delta: 17.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-30 00:58:19,634 INFO L168 Benchmark]: Witness Printer took 88.72 ms. Allocated memory was 96.5 MB in the beginning and 130.0 MB in the end (delta: 33.6 MB). Free memory was 44.1 MB in the beginning and 108.4 MB in the end (delta: -64.3 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:58:19,639 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, 11 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: 4 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 9 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 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: 25]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int x; [L15] int y; [L16] int z; [L17] y = __VERIFIER_nondet_int() [L18] z = __VERIFIER_nondet_int() [L19] COND FALSE !(__VERIFIER_nondet_int() != 0) [L22] x = -1 [L24] COND TRUE y<100 && z<100 [L25] y+x * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 96.5 MB. Free memory is still 53.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 323.16 ms. Allocated memory is still 96.5 MB. Free memory was 67.5 MB in the beginning and 75.6 MB in the end (delta: -8.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 34.03 ms. Allocated memory is still 96.5 MB. Free memory was 75.6 MB in the beginning and 74.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.09 ms. Allocated memory is still 96.5 MB. Free memory was 74.3 MB in the beginning and 73.4 MB in the end (delta: 820.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 415.95 ms. Allocated memory is still 96.5 MB. Free memory was 73.4 MB in the beginning and 61.3 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 539.70 ms. Allocated memory is still 96.5 MB. Free memory was 61.3 MB in the beginning and 44.1 MB in the end (delta: 17.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Witness Printer took 88.72 ms. Allocated memory was 96.5 MB in the beginning and 130.0 MB in the end (delta: 33.6 MB). Free memory was 44.1 MB in the beginning and 108.4 MB in the end (delta: -64.3 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...