./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/modulus-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8e490578-2ad9-404e-94c0-5ae12ce0142e/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_8e490578-2ad9-404e-94c0-5ae12ce0142e/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8e490578-2ad9-404e-94c0-5ae12ce0142e/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8e490578-2ad9-404e-94c0-5ae12ce0142e/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/modulus-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_8e490578-2ad9-404e-94c0-5ae12ce0142e/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8e490578-2ad9-404e-94c0-5ae12ce0142e/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 6253a401c5a2a2b8eab18bffe82737a5c816300f ....................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_8e490578-2ad9-404e-94c0-5ae12ce0142e/bin/ukojak/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:32:09,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:32:09,168 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:32:09,181 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:32:09,181 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:32:09,182 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:32:09,183 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:32:09,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:32:09,195 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:32:09,198 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:32:09,199 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:32:09,199 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:32:09,200 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:32:09,200 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:32:09,201 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:32:09,202 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:32:09,203 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:32:09,204 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:32:09,205 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:32:09,208 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:32:09,212 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:32:09,215 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:32:09,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:32:09,217 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:32:09,221 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:32:09,222 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:32:09,222 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:32:09,224 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:32:09,224 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:32:09,225 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:32:09,226 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:32:09,226 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:32:09,227 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:32:09,228 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:32:09,229 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:32:09,229 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:32:09,229 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:32:09,230 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:32:09,230 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:32:09,231 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:32:09,232 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:32:09,233 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8e490578-2ad9-404e-94c0-5ae12ce0142e/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2019-11-26 02:32:09,257 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:32:09,257 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:32:09,258 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:32:09,258 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:32:09,258 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:32:09,259 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:32:09,259 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:32:09,259 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:32:09,259 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 02:32:09,259 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:32:09,260 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:32:09,260 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:32:09,260 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:32:09,260 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:32:09,260 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:32:09,260 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-26 02:32:09,261 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:32:09,261 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:32:09,261 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:32:09,261 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:32:09,261 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:32:09,261 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:32:09,262 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:32:09,262 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:32:09,262 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:32:09,262 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:32:09,262 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:32:09,263 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:32:09,263 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:32:09,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:32:09,263 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:32:09,263 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_8e490578-2ad9-404e-94c0-5ae12ce0142e/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 -> 6253a401c5a2a2b8eab18bffe82737a5c816300f [2019-11-26 02:32:09,403 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:32:09,414 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:32:09,416 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:32:09,418 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:32:09,418 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:32:09,419 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8e490578-2ad9-404e-94c0-5ae12ce0142e/bin/ukojak/../../sv-benchmarks/c/bitvector/modulus-1.i [2019-11-26 02:32:09,474 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8e490578-2ad9-404e-94c0-5ae12ce0142e/bin/ukojak/data/7c6f7dd8b/ce4b654191a84f77ba8fe727e0c1c4e1/FLAG44c9ec37a [2019-11-26 02:32:09,897 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:32:09,898 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8e490578-2ad9-404e-94c0-5ae12ce0142e/sv-benchmarks/c/bitvector/modulus-1.i [2019-11-26 02:32:09,903 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8e490578-2ad9-404e-94c0-5ae12ce0142e/bin/ukojak/data/7c6f7dd8b/ce4b654191a84f77ba8fe727e0c1c4e1/FLAG44c9ec37a [2019-11-26 02:32:10,268 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8e490578-2ad9-404e-94c0-5ae12ce0142e/bin/ukojak/data/7c6f7dd8b/ce4b654191a84f77ba8fe727e0c1c4e1 [2019-11-26 02:32:10,271 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:32:10,272 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:32:10,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:32:10,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:32:10,276 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:32:10,283 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:32:10" (1/1) ... [2019-11-26 02:32:10,286 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2591e8ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:10, skipping insertion in model container [2019-11-26 02:32:10,286 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:32:10" (1/1) ... [2019-11-26 02:32:10,293 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:32:10,309 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:32:10,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:32:10,525 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:32:10,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:32:10,627 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:32:10,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:10 WrapperNode [2019-11-26 02:32:10,627 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:32:10,628 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:32:10,628 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:32:10,628 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:32:10,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:10" (1/1) ... [2019-11-26 02:32:10,638 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:10" (1/1) ... [2019-11-26 02:32:10,660 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:32:10,662 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:32:10,662 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:32:10,662 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:32:10,672 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:10" (1/1) ... [2019-11-26 02:32:10,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:10" (1/1) ... [2019-11-26 02:32:10,673 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:10" (1/1) ... [2019-11-26 02:32:10,673 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:10" (1/1) ... [2019-11-26 02:32:10,676 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:10" (1/1) ... [2019-11-26 02:32:10,680 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:10" (1/1) ... [2019-11-26 02:32:10,681 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:10" (1/1) ... [2019-11-26 02:32:10,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:32:10,683 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:32:10,683 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:32:10,684 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:32:10,684 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:32:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8e490578-2ad9-404e-94c0-5ae12ce0142e/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 [2019-11-26 02:32:10,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:32:10,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:32:11,101 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:32:11,101 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-26 02:32:11,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:32:11 BoogieIcfgContainer [2019-11-26 02:32:11,102 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:32:11,103 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:32:11,103 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:32:11,113 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:32:11,113 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:32:11" (1/1) ... [2019-11-26 02:32:11,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:32:11,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:32:11,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2019-11-26 02:32:11,150 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2019-11-26 02:32:11,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-11-26 02:32:11,153 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:32:11,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:32:11,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:32:11,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:32:11,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:32:11,260 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2019-11-26 02:32:11,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:32:11 ImpRootNode [2019-11-26 02:32:11,276 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:32:11,277 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:32:11,277 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:32:11,277 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:32:11,278 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:32:11" (3/4) ... [2019-11-26 02:32:11,281 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-26 02:32:11,281 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:32:11,283 INFO L168 Benchmark]: Toolchain (without parser) took 1010.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -108.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:32:11,284 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:32:11,285 INFO L168 Benchmark]: CACSL2BoogieTranslator took 355.11 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -150.0 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:32:11,285 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.84 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:32:11,286 INFO L168 Benchmark]: Boogie Preprocessor took 21.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:32:11,290 INFO L168 Benchmark]: RCFGBuilder took 419.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:32:11,290 INFO L168 Benchmark]: CodeCheck took 173.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:32:11,291 INFO L168 Benchmark]: Witness Printer took 4.33 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:32:11,294 INFO L335 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, 14 locations, 4 error locations. Result: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 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, 2 NumberOfCodeBlocks, 2 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 - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of shiftLeft at line 29. Possible FailurePath: [L24] unsigned int n = __VERIFIER_nondet_uint(); [L25] unsigned int s = __VERIFIER_nondet_uint(); [L26] unsigned int d; [L27] unsigned int m; [L29] 1 << s * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 355.11 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -150.0 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.84 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 419.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. * CodeCheck took 173.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * Witness Printer took 4.33 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...