./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-counterex1b_false-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_957fedb0-158e-4590-9f5c-710c601476a3/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_957fedb0-158e-4590-9f5c-710c601476a3/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_957fedb0-158e-4590-9f5c-710c601476a3/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_957fedb0-158e-4590-9f5c-710c601476a3/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-counterex1b_false-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_957fedb0-158e-4590-9f5c-710c601476a3/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_957fedb0-158e-4590-9f5c-710c601476a3/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 64bit --witnessprinter.graph.data.programhash b51d3ff9a76866bd9c6637bca261a8433dd4524e ..................................................................................................................................................................................................................................................... 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 0.1.23-5842f4b [2018-11-18 11:27:29,475 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:27:29,476 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:27:29,482 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:27:29,482 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:27:29,482 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:27:29,483 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:27:29,484 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:27:29,485 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:27:29,485 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:27:29,486 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:27:29,486 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:27:29,487 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:27:29,488 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:27:29,488 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:27:29,489 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:27:29,489 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:27:29,491 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:27:29,492 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:27:29,493 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:27:29,493 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:27:29,494 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:27:29,496 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:27:29,496 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:27:29,496 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:27:29,497 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:27:29,497 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:27:29,498 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:27:29,498 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:27:29,499 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:27:29,499 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:27:29,500 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:27:29,500 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:27:29,500 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:27:29,501 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:27:29,501 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:27:29,501 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_957fedb0-158e-4590-9f5c-710c601476a3/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-18 11:27:29,509 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:27:29,509 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:27:29,510 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:27:29,510 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 11:27:29,511 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:27:29,511 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:27:29,511 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:27:29,511 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 11:27:29,511 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:27:29,511 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:27:29,511 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:27:29,512 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:27:29,512 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:27:29,512 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-18 11:27:29,512 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:27:29,512 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:27:29,512 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:27:29,512 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 11:27:29,513 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 11:27:29,513 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:27:29,513 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:27:29,513 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 11:27:29,513 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:27:29,513 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:27:29,513 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:27:29,513 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 11:27:29,514 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:27:29,514 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:27:29,514 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_957fedb0-158e-4590-9f5c-710c601476a3/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b51d3ff9a76866bd9c6637bca261a8433dd4524e [2018-11-18 11:27:29,538 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:27:29,547 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:27:29,550 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:27:29,551 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:27:29,552 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:27:29,552 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_957fedb0-158e-4590-9f5c-710c601476a3/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-counterex1b_false-no-overflow.c [2018-11-18 11:27:29,589 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_957fedb0-158e-4590-9f5c-710c601476a3/bin-2019/ukojak/data/0f1d64aec/e8a6a553a8fb4a649e1d0aa8ea8b06d2/FLAGcb12f25f0 [2018-11-18 11:27:29,892 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:27:29,893 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_957fedb0-158e-4590-9f5c-710c601476a3/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-counterex1b_false-no-overflow.c [2018-11-18 11:27:29,896 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_957fedb0-158e-4590-9f5c-710c601476a3/bin-2019/ukojak/data/0f1d64aec/e8a6a553a8fb4a649e1d0aa8ea8b06d2/FLAGcb12f25f0 [2018-11-18 11:27:29,905 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_957fedb0-158e-4590-9f5c-710c601476a3/bin-2019/ukojak/data/0f1d64aec/e8a6a553a8fb4a649e1d0aa8ea8b06d2 [2018-11-18 11:27:29,907 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:27:29,908 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:27:29,909 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:27:29,909 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:27:29,911 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:27:29,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:27:29" (1/1) ... [2018-11-18 11:27:29,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24248849 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:27:29, skipping insertion in model container [2018-11-18 11:27:29,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:27:29" (1/1) ... [2018-11-18 11:27:29,920 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:27:29,931 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:27:30,032 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:27:30,034 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:27:30,044 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:27:30,052 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:27:30,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:27:30 WrapperNode [2018-11-18 11:27:30,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:27:30,053 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:27:30,053 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:27:30,053 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:27:30,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:27:30" (1/1) ... [2018-11-18 11:27:30,062 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:27:30" (1/1) ... [2018-11-18 11:27:30,077 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:27:30,077 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:27:30,077 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:27:30,078 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:27:30,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:27:30" (1/1) ... [2018-11-18 11:27:30,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:27:30" (1/1) ... [2018-11-18 11:27:30,085 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:27:30" (1/1) ... [2018-11-18 11:27:30,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:27:30" (1/1) ... [2018-11-18 11:27:30,087 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:27:30" (1/1) ... [2018-11-18 11:27:30,090 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:27:30" (1/1) ... [2018-11-18 11:27:30,091 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:27:30" (1/1) ... [2018-11-18 11:27:30,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:27:30,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:27:30,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:27:30,093 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:27:30,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:27:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_957fedb0-158e-4590-9f5c-710c601476a3/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 [2018-11-18 11:27:30,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:27:30,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:27:30,354 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:27:30,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:27:30 BoogieIcfgContainer [2018-11-18 11:27:30,355 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:27:30,355 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 11:27:30,355 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 11:27:30,365 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 11:27:30,366 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:27:30" (1/1) ... [2018-11-18 11:27:30,377 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:27:30,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:27:30,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2018-11-18 11:27:30,411 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2018-11-18 11:27:30,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-18 11:27:30,414 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:27:30,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:27:30,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:27:30,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:27:30,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2018-11-18 11:27:30,502 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2018-11-18 11:27:30,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 11:27:30,502 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:27:30,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:27:30,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:27:30,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:27:30,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2018-11-18 11:27:30,585 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2018-11-18 11:27:30,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 11:27:30,585 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:27:30,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:27:30,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:27:30,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:27:30,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 41 transitions. [2018-11-18 11:27:30,699 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2018-11-18 11:27:30,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 11:27:30,702 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:27:30,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:27:30,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:27:30,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:27:30,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 35 states and 48 transitions. [2018-11-18 11:27:30,893 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2018-11-18 11:27:30,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 11:27:30,893 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:27:30,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:27:30,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:27:31,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 11:27:31,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 37 states and 54 transitions. [2018-11-18 11:27:31,063 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 54 transitions. [2018-11-18 11:27:31,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 11:27:31,064 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 11:27:31,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:27:31,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:27:31,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:27:31,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:27:31,128 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2018-11-18 11:27:31,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 11:27:31 ImpRootNode [2018-11-18 11:27:31,149 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 11:27:31,149 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:27:31,150 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:27:31,150 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:27:31,150 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:27:30" (3/4) ... [2018-11-18 11:27:31,153 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 11:27:31,183 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_957fedb0-158e-4590-9f5c-710c601476a3/bin-2019/ukojak/witness.graphml [2018-11-18 11:27:31,183 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:27:31,184 INFO L168 Benchmark]: Toolchain (without parser) took 1276.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 959.2 MB in the beginning and 1.0 GB in the end (delta: -64.0 MB). Peak memory consumption was 69.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:27:31,185 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:27:31,185 INFO L168 Benchmark]: CACSL2BoogieTranslator took 143.97 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:27:31,185 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.24 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:27:31,186 INFO L168 Benchmark]: Boogie Preprocessor took 15.11 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:27:31,186 INFO L168 Benchmark]: RCFGBuilder took 262.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -167.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:27:31,187 INFO L168 Benchmark]: CodeCheck took 794.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 87.0 MB). Peak memory consumption was 87.0 MB. Max. memory is 11.5 GB. [2018-11-18 11:27:31,187 INFO L168 Benchmark]: Witness Printer took 33.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:27:31,189 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, 28 locations, 6 error locations. UNSAFE Result, 0.7s OverallTime, 6 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 304 SDtfs, 226 SDslu, 296 SDs, 0 SdLazy, 370 SolverSat, 84 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 253 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 340 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 - CounterExampleResult [Line: 24]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int x, y, n; [L15] n = __VERIFIER_nondet_int() [L16] x = __VERIFIER_nondet_int() [L17] y = __VERIFIER_nondet_int() [L18] COND TRUE x >= 0 [L19] y >= 0 && __VERIFIER_nondet_int() != 0 [L19] y >= 0 && __VERIFIER_nondet_int() != 0 [L19] COND FALSE !(y >= 0 && __VERIFIER_nondet_int() != 0) [L22] EXPR x - 1 [L22] x = x - 1 [L23] y <= n && __VERIFIER_nondet_int() != 0 [L23] y <= n && __VERIFIER_nondet_int() != 0 [L23] COND TRUE y <= n && __VERIFIER_nondet_int() != 0 [L24] y + 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 143.97 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 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 24.24 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.11 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 262.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -167.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * CodeCheck took 794.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 87.0 MB). Peak memory consumption was 87.0 MB. Max. memory is 11.5 GB. * Witness Printer took 33.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...