./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/modulus_true-unreach-call_true-no-overflow.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b25cde82-ecd7-4a65-9c7f-d5dc2b55dbff/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b25cde82-ecd7-4a65-9c7f-d5dc2b55dbff/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b25cde82-ecd7-4a65-9c7f-d5dc2b55dbff/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b25cde82-ecd7-4a65-9c7f-d5dc2b55dbff/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/modulus_true-unreach-call_true-no-overflow.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b25cde82-ecd7-4a65-9c7f-d5dc2b55dbff/bin-2019/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b25cde82-ecd7-4a65-9c7f-d5dc2b55dbff/bin-2019/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_b25cde82-ecd7-4a65-9c7f-d5dc2b55dbff/bin-2019/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 0.1.23-aa41828 [2018-11-23 12:56:02,464 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:56:02,465 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:56:02,473 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:56:02,474 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:56:02,474 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:56:02,475 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:56:02,477 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:56:02,478 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:56:02,479 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:56:02,479 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:56:02,479 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:56:02,480 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:56:02,481 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:56:02,482 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:56:02,482 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:56:02,483 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:56:02,484 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:56:02,486 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:56:02,487 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:56:02,488 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:56:02,488 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:56:02,490 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:56:02,490 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:56:02,491 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:56:02,491 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:56:02,492 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:56:02,493 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:56:02,493 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:56:02,494 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:56:02,494 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:56:02,495 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:56:02,495 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:56:02,495 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:56:02,496 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:56:02,496 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:56:02,497 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b25cde82-ecd7-4a65-9c7f-d5dc2b55dbff/bin-2019/ukojak/config/svcomp-Overflow-32bit-Kojak_Default.epf [2018-11-23 12:56:02,507 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:56:02,507 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:56:02,507 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:56:02,508 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 12:56:02,508 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 12:56:02,508 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 12:56:02,508 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:56:02,508 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:56:02,509 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 12:56:02,509 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:56:02,509 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:56:02,509 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:56:02,509 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:56:02,509 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:56:02,509 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:56:02,510 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-23 12:56:02,510 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:56:02,510 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:56:02,510 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:56:02,510 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:56:02,510 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 12:56:02,510 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 12:56:02,511 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:56:02,511 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:56:02,511 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 12:56:02,511 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:56:02,511 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:56:02,511 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:56:02,511 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 12:56:02,512 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:56:02,512 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 12:56:02,512 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_b25cde82-ecd7-4a65-9c7f-d5dc2b55dbff/bin-2019/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 [2018-11-23 12:56:02,534 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:56:02,542 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:56:02,544 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:56:02,544 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:56:02,545 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:56:02,545 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b25cde82-ecd7-4a65-9c7f-d5dc2b55dbff/bin-2019/ukojak/../../sv-benchmarks/c/bitvector/modulus_true-unreach-call_true-no-overflow.i [2018-11-23 12:56:02,581 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b25cde82-ecd7-4a65-9c7f-d5dc2b55dbff/bin-2019/ukojak/data/d75ef25ed/2286b265b3664ef69477f13be43afcdc/FLAG4d45dbabe [2018-11-23 12:56:02,975 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:56:02,976 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b25cde82-ecd7-4a65-9c7f-d5dc2b55dbff/sv-benchmarks/c/bitvector/modulus_true-unreach-call_true-no-overflow.i [2018-11-23 12:56:02,979 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b25cde82-ecd7-4a65-9c7f-d5dc2b55dbff/bin-2019/ukojak/data/d75ef25ed/2286b265b3664ef69477f13be43afcdc/FLAG4d45dbabe [2018-11-23 12:56:02,988 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b25cde82-ecd7-4a65-9c7f-d5dc2b55dbff/bin-2019/ukojak/data/d75ef25ed/2286b265b3664ef69477f13be43afcdc [2018-11-23 12:56:02,990 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:56:02,991 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:56:02,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:56:02,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:56:02,994 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:56:02,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:56:02" (1/1) ... [2018-11-23 12:56:02,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ef06843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:02, skipping insertion in model container [2018-11-23 12:56:02,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:56:02" (1/1) ... [2018-11-23 12:56:03,002 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:56:03,016 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:56:03,119 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:56:03,122 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:56:03,133 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:56:03,143 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:56:03,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:03 WrapperNode [2018-11-23 12:56:03,143 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:56:03,144 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:56:03,144 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:56:03,144 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:56:03,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:03" (1/1) ... [2018-11-23 12:56:03,153 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:03" (1/1) ... [2018-11-23 12:56:03,165 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:56:03,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:56:03,165 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:56:03,165 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:56:03,171 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:03" (1/1) ... [2018-11-23 12:56:03,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:03" (1/1) ... [2018-11-23 12:56:03,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:03" (1/1) ... [2018-11-23 12:56:03,172 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:03" (1/1) ... [2018-11-23 12:56:03,175 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:03" (1/1) ... [2018-11-23 12:56:03,215 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:03" (1/1) ... [2018-11-23 12:56:03,215 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:03" (1/1) ... [2018-11-23 12:56:03,217 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:56:03,217 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:56:03,217 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:56:03,217 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:56:03,218 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b25cde82-ecd7-4a65-9c7f-d5dc2b55dbff/bin-2019/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 [2018-11-23 12:56:03,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:56:03,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:56:03,434 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:56:03,434 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-11-23 12:56:03,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:56:03 BoogieIcfgContainer [2018-11-23 12:56:03,434 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:56:03,435 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 12:56:03,435 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 12:56:03,444 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 12:56:03,444 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:56:03" (1/1) ... [2018-11-23 12:56:03,453 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:56:03,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 12:56:03,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2018-11-23 12:56:03,484 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-11-23 12:56:03,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-11-23 12:56:03,486 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 12:56:03,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 12:56:03,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 12:56:03,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 12:56:03,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 12:56:03,584 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] havoc main_#res;havoc main_#t~nondet1, main_#t~nondet2, main_~n~0, main_~s~0, main_~d~0, main_~m~0;main_~n~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~s~0 := main_#t~nondet2;havoc main_#t~nondet2;havoc main_~d~0;havoc main_~m~0;assume 0 != (if main_~s~0 % 4294967296 < 31 then 1 else 0); VAL [ULTIMATE.start_main_~s~0=0] [?] assume !(~shiftLeft(1, (if main_~s~0 % 4294967296 % 4294967296 <= 2147483647 then main_~s~0 % 4294967296 % 4294967296 else main_~s~0 % 4294967296 % 4294967296 - 4294967296)) <= 2147483647); VAL [ULTIMATE.start_main_~s~0=0] [?] havoc main_#res; [?] havoc main_#t~nondet1, main_#t~nondet2, main_~n~0, main_~s~0, main_~d~0, main_~m~0; [L24] main_~n~0 := main_#t~nondet1; [L24] havoc main_#t~nondet1; [L25] main_~s~0 := main_#t~nondet2; [L25] havoc main_#t~nondet2; [L26] havoc main_~d~0; [L27] havoc main_~m~0; [L28] assume 0 != (if main_~s~0 % 4294967296 < 31 then 1 else 0); VAL [main_~s~0=0] [L29] assert ~shiftLeft(1, (if main_~s~0 % 4294967296 % 4294967296 <= 2147483647 then main_~s~0 % 4294967296 % 4294967296 else main_~s~0 % 4294967296 % 4294967296 - 4294967296)) <= 2147483647; VAL [main_~s~0=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet1, main_#t~nondet2, main_~n~0, main_~s~0, main_~d~0, main_~m~0; [L24] main_~n~0 := main_#t~nondet1; [L24] havoc main_#t~nondet1; [L25] main_~s~0 := main_#t~nondet2; [L25] havoc main_#t~nondet2; [L26] havoc main_~d~0; [L27] havoc main_~m~0; [L28] assume 0 != (if main_~s~0 % 4294967296 < 31 then 1 else 0); VAL [main_~s~0=0] [L29] assert ~shiftLeft(1, (if main_~s~0 % 4294967296 % 4294967296 <= 2147483647 then main_~s~0 % 4294967296 % 4294967296 else main_~s~0 % 4294967296 % 4294967296 - 4294967296)) <= 2147483647; VAL [main_~s~0=0] [?] havoc main_#res; [?] havoc main_#t~nondet1, main_#t~nondet2, main_~n~0, main_~s~0, main_~d~0, main_~m~0; [L24] main_~n~0 := main_#t~nondet1; [L24] havoc main_#t~nondet1; [L25] main_~s~0 := main_#t~nondet2; [L25] havoc main_#t~nondet2; [L26] havoc main_~d~0; [L27] havoc main_~m~0; [L28] assume 0 != (if main_~s~0 % 4294967296 < 31 then 1 else 0); VAL [main_~s~0=0] [L29] assert ~shiftLeft(1, (if main_~s~0 % 4294967296 % 4294967296 <= 2147483647 then main_~s~0 % 4294967296 % 4294967296 else main_~s~0 % 4294967296 % 4294967296 - 4294967296)) <= 2147483647; VAL [main_~s~0=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] havoc main_#res; [?] havoc main_#t~nondet1, main_#t~nondet2, main_~n~0, main_~s~0, main_~d~0, main_~m~0; [L24] main_~n~0 := main_#t~nondet1; [L24] havoc main_#t~nondet1; [L25] main_~s~0 := main_#t~nondet2; [L25] havoc main_#t~nondet2; [L26] havoc main_~d~0; [L27] havoc main_~m~0; [L28] assume 0 != (if main_~s~0 % 4294967296 < 31 then 1 else 0); VAL [main_~s~0=0] [L29] assert ~shiftLeft(1, (if main_~s~0 % 4294967296 % 4294967296 <= 2147483647 then main_~s~0 % 4294967296 % 4294967296 else main_~s~0 % 4294967296 % 4294967296 - 4294967296)) <= 2147483647; VAL [main_~s~0=0] [L24] ~n~0 := #t~nondet1; [L24] havoc #t~nondet1; [L25] ~s~0 := #t~nondet2; [L25] havoc #t~nondet2; [L26] havoc ~d~0; [L27] havoc ~m~0; [L28] assume 0 != (if ~s~0 % 4294967296 < 31 then 1 else 0); [L29] assert ~shiftLeft(1, (if ~s~0 % 4294967296 % 4294967296 <= 2147483647 then ~s~0 % 4294967296 % 4294967296 else ~s~0 % 4294967296 % 4294967296 - 4294967296)) <= 2147483647; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L24] ~n~0 := #t~nondet1; [L24] havoc #t~nondet1; [L25] ~s~0 := #t~nondet2; [L25] havoc #t~nondet2; [L26] havoc ~d~0; [L27] havoc ~m~0; [L28] assume 0 != (if ~s~0 % 4294967296 < 31 then 1 else 0); [L29] assert ~shiftLeft(1, (if ~s~0 % 4294967296 % 4294967296 <= 2147483647 then ~s~0 % 4294967296 % 4294967296 else ~s~0 % 4294967296 % 4294967296 - 4294967296)) <= 2147483647; [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 ----- [2018-11-23 12:56:03,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:56:03 ImpRootNode [2018-11-23 12:56:03,601 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 12:56:03,601 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:56:03,601 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:56:03,601 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:56:03,602 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:56:03" (3/4) ... [2018-11-23 12:56:03,605 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 12:56:03,605 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:56:03,606 INFO L168 Benchmark]: Toolchain (without parser) took 615.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -148.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:56:03,608 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:56:03,608 INFO L168 Benchmark]: CACSL2BoogieTranslator took 151.98 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 12:56:03,609 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.11 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 12:56:03,610 INFO L168 Benchmark]: Boogie Preprocessor took 51.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -200.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-23 12:56:03,610 INFO L168 Benchmark]: RCFGBuilder took 217.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-11-23 12:56:03,611 INFO L168 Benchmark]: CodeCheck took 166.27 ms. Allocated memory is still 1.2 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. [2018-11-23 12:56:03,611 INFO L168 Benchmark]: Witness Printer took 4.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 12:56:03,614 INFO L336 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, 21 locations, 4 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, 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 AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 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 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 151.98 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.11 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -200.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 217.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * CodeCheck took 166.27 ms. Allocated memory is still 1.2 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 4.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...