./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 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_edc7ecf4-5291-4d0b-9ace-c1901249ffd8/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_edc7ecf4-5291-4d0b-9ace-c1901249ffd8/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_edc7ecf4-5291-4d0b-9ace-c1901249ffd8/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_edc7ecf4-5291-4d0b-9ace-c1901249ffd8/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_edc7ecf4-5291-4d0b-9ace-c1901249ffd8/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_edc7ecf4-5291-4d0b-9ace-c1901249ffd8/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 0.1.23-1dbac8b [2018-10-27 05:16:30,232 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:16:30,234 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:16:30,245 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:16:30,245 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:16:30,246 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:16:30,247 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:16:30,249 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:16:30,251 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:16:30,252 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:16:30,253 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:16:30,253 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:16:30,254 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:16:30,256 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:16:30,257 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:16:30,257 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:16:30,258 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:16:30,260 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:16:30,261 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:16:30,264 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:16:30,265 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:16:30,266 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:16:30,268 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:16:30,269 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:16:30,269 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:16:30,270 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:16:30,272 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:16:30,272 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:16:30,273 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:16:30,275 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:16:30,275 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:16:30,276 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:16:30,276 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:16:30,276 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:16:30,277 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:16:30,279 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:16:30,279 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_edc7ecf4-5291-4d0b-9ace-c1901249ffd8/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-10-27 05:16:30,293 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:16:30,293 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:16:30,294 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:16:30,295 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 05:16:30,295 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 05:16:30,295 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 05:16:30,296 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:16:30,296 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 05:16:30,296 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 05:16:30,296 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:16:30,296 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:16:30,297 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:16:30,297 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:16:30,297 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-10-27 05:16:30,297 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:16:30,297 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:16:30,297 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-27 05:16:30,298 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-27 05:16:30,298 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:16:30,300 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:16:30,300 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-27 05:16:30,300 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:16:30,301 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:16:30,301 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:16:30,301 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-27 05:16:30,301 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:16:30,301 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 05:16:30,301 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_edc7ecf4-5291-4d0b-9ace-c1901249ffd8/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 [2018-10-27 05:16:30,333 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:16:30,345 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:16:30,348 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:16:30,349 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:16:30,349 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:16:30,351 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_edc7ecf4-5291-4d0b-9ace-c1901249ffd8/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-counterex1b_false-no-overflow.c [2018-10-27 05:16:30,403 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_edc7ecf4-5291-4d0b-9ace-c1901249ffd8/bin-2019/ukojak/data/c42a25638/5cd849b507404974b4c0a2edc334e64c/FLAG565edf97c [2018-10-27 05:16:30,814 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:16:30,815 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_edc7ecf4-5291-4d0b-9ace-c1901249ffd8/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-counterex1b_false-no-overflow.c [2018-10-27 05:16:30,821 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_edc7ecf4-5291-4d0b-9ace-c1901249ffd8/bin-2019/ukojak/data/c42a25638/5cd849b507404974b4c0a2edc334e64c/FLAG565edf97c [2018-10-27 05:16:30,842 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_edc7ecf4-5291-4d0b-9ace-c1901249ffd8/bin-2019/ukojak/data/c42a25638/5cd849b507404974b4c0a2edc334e64c [2018-10-27 05:16:30,845 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:16:30,848 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:16:30,857 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:16:30,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:16:30,861 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:16:30,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:16:30" (1/1) ... [2018-10-27 05:16:30,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e089980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:30, skipping insertion in model container [2018-10-27 05:16:30,866 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:16:30" (1/1) ... [2018-10-27 05:16:30,876 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:16:30,900 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:16:31,036 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:16:31,040 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:16:31,056 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:16:31,070 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:16:31,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:31 WrapperNode [2018-10-27 05:16:31,070 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:16:31,071 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:16:31,071 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:16:31,071 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:16:31,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:31" (1/1) ... [2018-10-27 05:16:31,086 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:31" (1/1) ... [2018-10-27 05:16:31,105 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:16:31,105 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:16:31,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:16:31,105 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:16:31,115 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:31" (1/1) ... [2018-10-27 05:16:31,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:31" (1/1) ... [2018-10-27 05:16:31,116 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:31" (1/1) ... [2018-10-27 05:16:31,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:31" (1/1) ... [2018-10-27 05:16:31,119 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:31" (1/1) ... [2018-10-27 05:16:31,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:31" (1/1) ... [2018-10-27 05:16:31,125 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:31" (1/1) ... [2018-10-27 05:16:31,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:16:31,128 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:16:31,128 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:16:31,128 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:16:31,129 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:16:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_edc7ecf4-5291-4d0b-9ace-c1901249ffd8/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 [2018-10-27 05:16:31,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:16:31,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:16:31,892 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:16:31,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:16:31 BoogieIcfgContainer [2018-10-27 05:16:31,892 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 05:16:31,893 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-27 05:16:31,893 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-27 05:16:31,904 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-27 05:16:31,904 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:16:31" (1/1) ... [2018-10-27 05:16:31,915 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:16:31,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:31,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2018-10-27 05:16:31,955 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2018-10-27 05:16:31,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-27 05:16:31,958 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:32,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:32,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:16:32,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:32,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2018-10-27 05:16:32,078 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2018-10-27 05:16:32,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-27 05:16:32,081 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:32,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:32,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:16:32,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:32,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2018-10-27 05:16:32,216 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2018-10-27 05:16:32,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-27 05:16:32,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:32,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:32,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:16:32,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:32,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 41 transitions. [2018-10-27 05:16:32,661 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2018-10-27 05:16:32,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-27 05:16:32,667 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:32,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:32,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:16:32,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:32,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 35 states and 48 transitions. [2018-10-27 05:16:32,962 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2018-10-27 05:16:32,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-27 05:16:32,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:32,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:16:33,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:16:33,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 05:16:33,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 37 states and 54 transitions. [2018-10-27 05:16:33,580 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 54 transitions. [2018-10-27 05:16:33,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-27 05:16:33,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 05:16:33,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 05:16:33,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 05:16:33,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 05:16:33,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 05:16:33,691 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2018-10-27 05:16:33,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 27.10 05:16:33 ImpRootNode [2018-10-27 05:16:33,738 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-27 05:16:33,738 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 05:16:33,739 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 05:16:33,739 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 05:16:33,739 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:16:31" (3/4) ... [2018-10-27 05:16:33,741 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-27 05:16:33,785 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_edc7ecf4-5291-4d0b-9ace-c1901249ffd8/bin-2019/ukojak/witness.graphml [2018-10-27 05:16:33,785 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 05:16:33,786 INFO L168 Benchmark]: Toolchain (without parser) took 2940.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 959.8 MB in the beginning and 1.1 GB in the end (delta: -91.9 MB). Peak memory consumption was 74.8 MB. Max. memory is 11.5 GB. [2018-10-27 05:16:33,788 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:16:33,789 INFO L168 Benchmark]: CACSL2BoogieTranslator took 213.39 ms. Allocated memory is still 1.0 GB. Free memory was 959.8 MB in the beginning and 949.0 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-10-27 05:16:33,790 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.71 ms. Allocated memory is still 1.0 GB. Free memory is still 949.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:16:33,791 INFO L168 Benchmark]: Boogie Preprocessor took 22.28 ms. Allocated memory is still 1.0 GB. Free memory was 949.0 MB in the beginning and 946.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 05:16:33,792 INFO L168 Benchmark]: RCFGBuilder took 764.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -197.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2018-10-27 05:16:33,793 INFO L168 Benchmark]: CodeCheck took 1845.21 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: 88.5 MB). Peak memory consumption was 88.5 MB. Max. memory is 11.5 GB. [2018-10-27 05:16:33,794 INFO L168 Benchmark]: Witness Printer took 46.80 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-10-27 05:16:33,805 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, 1.7s 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, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 253 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s 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 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 213.39 ms. Allocated memory is still 1.0 GB. Free memory was 959.8 MB in the beginning and 949.0 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.71 ms. Allocated memory is still 1.0 GB. Free memory is still 949.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.28 ms. Allocated memory is still 1.0 GB. Free memory was 949.0 MB in the beginning and 946.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 764.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -197.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * CodeCheck took 1845.21 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: 88.5 MB). Peak memory consumption was 88.5 MB. Max. memory is 11.5 GB. * Witness Printer took 46.80 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...