./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark48_linear.i --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_bf17ba5e-c921-4c9f-b5f7-6059f2033b71/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_bf17ba5e-c921-4c9f-b5f7-6059f2033b71/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bf17ba5e-c921-4c9f-b5f7-6059f2033b71/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bf17ba5e-c921-4c9f-b5f7-6059f2033b71/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark48_linear.i -s /tmp/vcloud-vcloud-master/worker/run_dir_bf17ba5e-c921-4c9f-b5f7-6059f2033b71/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bf17ba5e-c921-4c9f-b5f7-6059f2033b71/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 8a8b20edf17b5ae539e1f71c8b51bedd7c34357d .................................................................................................................................................................................................................... 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 16:36:12,871 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:36:12,875 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:36:12,952 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:36:12,953 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:36:12,962 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:36:12,966 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:36:12,976 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:36:12,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:36:12,990 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:36:12,992 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:36:12,994 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:36:12,996 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:36:13,000 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:36:13,002 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:36:13,006 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:36:13,008 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:36:13,013 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:36:13,018 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:36:13,024 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:36:13,030 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:36:13,032 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:36:13,035 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:36:13,037 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:36:13,044 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:36:13,044 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:36:13,045 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:36:13,048 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:36:13,049 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:36:13,051 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:36:13,051 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:36:13,053 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:36:13,056 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:36:13,058 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:36:13,060 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:36:13,060 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:36:13,061 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:36:13,062 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:36:13,062 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:36:13,064 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:36:13,065 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:36:13,069 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bf17ba5e-c921-4c9f-b5f7-6059f2033b71/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2020-12-01 16:36:13,124 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:36:13,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:36:13,127 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:36:13,127 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:36:13,128 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:36:13,129 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:36:13,129 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:36:13,129 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:36:13,130 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 16:36:13,130 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:36:13,131 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:36:13,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:36:13,132 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:36:13,133 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:36:13,133 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:36:13,133 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-01 16:36:13,133 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:36:13,134 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:36:13,134 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:36:13,134 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:36:13,135 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:36:13,135 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:36:13,135 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:36:13,136 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:36:13,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:36:13,136 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:36:13,137 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:36:13,137 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:36:13,137 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:36:13,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:36:13,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:36:13,140 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_bf17ba5e-c921-4c9f-b5f7-6059f2033b71/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_bf17ba5e-c921-4c9f-b5f7-6059f2033b71/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a8b20edf17b5ae539e1f71c8b51bedd7c34357d [2020-12-01 16:36:13,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:36:13,530 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:36:13,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:36:13,535 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:36:13,536 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:36:13,537 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bf17ba5e-c921-4c9f-b5f7-6059f2033b71/bin/ukojak/../../sv-benchmarks/c/loop-zilu/benchmark48_linear.i [2020-12-01 16:36:13,632 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bf17ba5e-c921-4c9f-b5f7-6059f2033b71/bin/ukojak/data/9ed0348d8/2ebbba8c49af4cf59d408b7f1ae2bebe/FLAGa79057a66 [2020-12-01 16:36:14,252 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:36:14,253 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bf17ba5e-c921-4c9f-b5f7-6059f2033b71/sv-benchmarks/c/loop-zilu/benchmark48_linear.i [2020-12-01 16:36:14,271 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bf17ba5e-c921-4c9f-b5f7-6059f2033b71/bin/ukojak/data/9ed0348d8/2ebbba8c49af4cf59d408b7f1ae2bebe/FLAGa79057a66 [2020-12-01 16:36:14,591 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bf17ba5e-c921-4c9f-b5f7-6059f2033b71/bin/ukojak/data/9ed0348d8/2ebbba8c49af4cf59d408b7f1ae2bebe [2020-12-01 16:36:14,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:36:14,597 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:36:14,607 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:36:14,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:36:14,612 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:36:14,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:36:14" (1/1) ... [2020-12-01 16:36:14,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47954708 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:14, skipping insertion in model container [2020-12-01 16:36:14,617 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:36:14" (1/1) ... [2020-12-01 16:36:14,628 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:36:14,651 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:36:14,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:36:15,002 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:36:15,037 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:36:15,063 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:36:15,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:15 WrapperNode [2020-12-01 16:36:15,065 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:36:15,067 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:36:15,067 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:36:15,069 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:36:15,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:15" (1/1) ... [2020-12-01 16:36:15,090 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:15" (1/1) ... [2020-12-01 16:36:15,125 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:36:15,127 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:36:15,127 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:36:15,128 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:36:15,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:15" (1/1) ... [2020-12-01 16:36:15,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:15" (1/1) ... [2020-12-01 16:36:15,146 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:15" (1/1) ... [2020-12-01 16:36:15,157 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:15" (1/1) ... [2020-12-01 16:36:15,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:15" (1/1) ... [2020-12-01 16:36:15,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:15" (1/1) ... [2020-12-01 16:36:15,175 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:15" (1/1) ... [2020-12-01 16:36:15,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:36:15,178 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:36:15,179 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:36:15,179 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:36:15,184 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:36:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bf17ba5e-c921-4c9f-b5f7-6059f2033b71/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 16:36:15,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:36:15,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:36:15,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:36:15,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:36:15,578 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:36:15,579 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 16:36:15,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:36:15 BoogieIcfgContainer [2020-12-01 16:36:15,581 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:36:15,582 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:36:15,582 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:36:15,627 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:36:15,628 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:36:15" (1/1) ... [2020-12-01 16:36:15,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:36:15,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:36:15,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2020-12-01 16:36:15,734 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2020-12-01 16:36:15,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 16:36:15,737 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:36:15,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:36:15,845 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:36:15,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:36:15,868 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:36:15,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:36:15,971 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:36:15,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:36:15,983 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:36:16,016 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2020-12-01 16:36:16,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:36:16 ImpRootNode [2020-12-01 16:36:16,044 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:36:16,048 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:36:16,048 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:36:16,048 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:36:16,049 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:36:15" (3/4) ... [2020-12-01 16:36:16,056 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 16:36:16,093 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_bf17ba5e-c921-4c9f-b5f7-6059f2033b71/bin/ukojak/witness.graphml [2020-12-01 16:36:16,094 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:36:16,096 INFO L168 Benchmark]: Toolchain (without parser) took 1497.60 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 45.0 MB in the beginning and 60.2 MB in the end (delta: -15.3 MB). Peak memory consumption was 2.9 MB. Max. memory is 16.1 GB. [2020-12-01 16:36:16,097 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 77.6 MB. Free memory was 57.7 MB in the beginning and 57.7 MB in the end (delta: 24.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:36:16,098 INFO L168 Benchmark]: CACSL2BoogieTranslator took 458.04 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 44.7 MB in the beginning and 71.1 MB in the end (delta: -26.5 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2020-12-01 16:36:16,099 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.44 ms. Allocated memory is still 94.4 MB. Free memory was 71.1 MB in the beginning and 69.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:36:16,100 INFO L168 Benchmark]: Boogie Preprocessor took 50.19 ms. Allocated memory is still 94.4 MB. Free memory was 69.5 MB in the beginning and 68.7 MB in the end (delta: 841.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:36:16,101 INFO L168 Benchmark]: RCFGBuilder took 402.95 ms. Allocated memory is still 94.4 MB. Free memory was 68.5 MB in the beginning and 52.2 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-12-01 16:36:16,102 INFO L168 Benchmark]: CodeCheck took 461.99 ms. Allocated memory is still 94.4 MB. Free memory was 51.9 MB in the beginning and 61.9 MB in the end (delta: -9.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:36:16,102 INFO L168 Benchmark]: Witness Printer took 45.91 ms. Allocated memory is still 94.4 MB. Free memory was 61.9 MB in the beginning and 60.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:36:16,107 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 17 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, 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, 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: 25]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int i = __VERIFIER_nondet_int(); [L21] int j = __VERIFIER_nondet_int(); [L22] int k = __VERIFIER_nondet_int(); [L23] COND FALSE !(!(i 0)) [L24] COND TRUE i