./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/modulus-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_80c43ee9-3ca2-48d7-93f4-febc19068693/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_80c43ee9-3ca2-48d7-93f4-febc19068693/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_80c43ee9-3ca2-48d7-93f4-febc19068693/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_80c43ee9-3ca2-48d7-93f4-febc19068693/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/modulus-2.i -s /tmp/vcloud-vcloud-master/worker/working_dir_80c43ee9-3ca2-48d7-93f4-febc19068693/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_80c43ee9-3ca2-48d7-93f4-febc19068693/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 c028dc478ad08c52f1db2e76a15a3094442b18a8 ....................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/working_dir_80c43ee9-3ca2-48d7-93f4-febc19068693/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-cad4683 [2019-10-22 10:17:56,260 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:17:56,261 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:17:56,270 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:17:56,271 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:17:56,272 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:17:56,273 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:17:56,274 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:17:56,276 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:17:56,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:17:56,277 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:17:56,278 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:17:56,279 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:17:56,279 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:17:56,280 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:17:56,281 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:17:56,282 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:17:56,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:17:56,284 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:17:56,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:17:56,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:17:56,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:17:56,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:17:56,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:17:56,291 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:17:56,291 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:17:56,292 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:17:56,292 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:17:56,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:17:56,293 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:17:56,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:17:56,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:17:56,295 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:17:56,296 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:17:56,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:17:56,297 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:17:56,297 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:17:56,298 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:17:56,298 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:17:56,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:17:56,299 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:17:56,300 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_80c43ee9-3ca2-48d7-93f4-febc19068693/bin/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2019-10-22 10:17:56,317 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:17:56,317 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:17:56,318 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:17:56,318 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:17:56,319 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:17:56,319 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:17:56,319 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:17:56,319 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:17:56,319 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 10:17:56,320 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:17:56,320 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:17:56,320 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:17:56,320 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:17:56,320 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:17:56,320 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:17:56,320 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-10-22 10:17:56,321 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:17:56,321 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:17:56,321 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:17:56,321 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:17:56,321 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:17:56,321 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:17:56,322 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:17:56,322 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:17:56,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:17:56,323 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:17:56,323 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:17:56,324 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:17:56,324 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:17:56,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:17:56,324 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:17:56,324 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/working_dir_80c43ee9-3ca2-48d7-93f4-febc19068693/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 -> c028dc478ad08c52f1db2e76a15a3094442b18a8 [2019-10-22 10:17:56,358 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:17:56,369 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:17:56,372 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:17:56,373 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:17:56,374 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:17:56,375 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_80c43ee9-3ca2-48d7-93f4-febc19068693/bin/ukojak/../../sv-benchmarks/c/bitvector/modulus-2.i [2019-10-22 10:17:56,425 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_80c43ee9-3ca2-48d7-93f4-febc19068693/bin/ukojak/data/902a718cd/1a67b733c3ff4bc88b3cd6a36d76bfe1/FLAGbb81351a5 [2019-10-22 10:17:56,798 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:17:56,799 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_80c43ee9-3ca2-48d7-93f4-febc19068693/sv-benchmarks/c/bitvector/modulus-2.i [2019-10-22 10:17:56,804 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_80c43ee9-3ca2-48d7-93f4-febc19068693/bin/ukojak/data/902a718cd/1a67b733c3ff4bc88b3cd6a36d76bfe1/FLAGbb81351a5 [2019-10-22 10:17:56,813 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_80c43ee9-3ca2-48d7-93f4-febc19068693/bin/ukojak/data/902a718cd/1a67b733c3ff4bc88b3cd6a36d76bfe1 [2019-10-22 10:17:56,815 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:17:56,816 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:17:56,817 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:17:56,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:17:56,820 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:17:56,821 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:17:56" (1/1) ... [2019-10-22 10:17:56,823 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c34b6b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:56, skipping insertion in model container [2019-10-22 10:17:56,823 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:17:56" (1/1) ... [2019-10-22 10:17:56,829 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:17:56,846 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:17:57,020 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:17:57,023 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:17:57,100 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:17:57,112 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:17:57,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:57 WrapperNode [2019-10-22 10:17:57,112 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:17:57,113 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:17:57,113 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:17:57,113 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:17:57,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:57" (1/1) ... [2019-10-22 10:17:57,128 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:57" (1/1) ... [2019-10-22 10:17:57,145 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:17:57,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:17:57,146 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:17:57,146 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:17:57,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:57" (1/1) ... [2019-10-22 10:17:57,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:57" (1/1) ... [2019-10-22 10:17:57,155 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:57" (1/1) ... [2019-10-22 10:17:57,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:57" (1/1) ... [2019-10-22 10:17:57,159 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:57" (1/1) ... [2019-10-22 10:17:57,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:57" (1/1) ... [2019-10-22 10:17:57,168 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:57" (1/1) ... [2019-10-22 10:17:57,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:17:57,170 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:17:57,170 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:17:57,170 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:17:57,171 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_80c43ee9-3ca2-48d7-93f4-febc19068693/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 [2019-10-22 10:17:57,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:17:57,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:17:57,471 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:17:57,472 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-10-22 10:17:57,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:17:57 BoogieIcfgContainer [2019-10-22 10:17:57,473 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:17:57,473 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:17:57,473 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:17:57,484 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:17:57,484 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:17:57" (1/1) ... [2019-10-22 10:17:57,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:17:57,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:57,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2019-10-22 10:17:57,526 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2019-10-22 10:17:57,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2019-10-22 10:17:57,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:57,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:17:57,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:17:57,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:17:57,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:17:57,655 WARN L489 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2019-10-22 10:17:57,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:17:57 ImpRootNode [2019-10-22 10:17:57,672 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:17:57,673 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:17:57,673 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:17:57,673 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:17:57,673 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:17:57" (3/4) ... [2019-10-22 10:17:57,676 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 10:17:57,676 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:17:57,678 INFO L168 Benchmark]: Toolchain (without parser) took 861.52 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -135.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:17:57,678 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:17:57,679 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -169.5 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:57,679 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.19 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. [2019-10-22 10:17:57,680 INFO L168 Benchmark]: Boogie Preprocessor took 24.13 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. [2019-10-22 10:17:57,680 INFO L168 Benchmark]: RCFGBuilder took 303.12 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:57,681 INFO L168 Benchmark]: CodeCheck took 199.03 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:57,681 INFO L168 Benchmark]: Witness Printer took 3.57 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. [2019-10-22 10:17:57,683 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 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 295.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -169.5 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.19 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 24.13 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. * RCFGBuilder took 303.12 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * CodeCheck took 199.03 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.57 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...