./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loops/sum01_bug02_sum01_bug02_base.case_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1989ae48-591e-40ff-9cdc-f4152cbbe2af/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1989ae48-591e-40ff-9cdc-f4152cbbe2af/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1989ae48-591e-40ff-9cdc-f4152cbbe2af/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1989ae48-591e-40ff-9cdc-f4152cbbe2af/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/sum01_bug02_sum01_bug02_base.case_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_1989ae48-591e-40ff-9cdc-f4152cbbe2af/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1989ae48-591e-40ff-9cdc-f4152cbbe2af/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1b149b3cef099476d14a8b122afb66552d0406eb .............................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 02:58:13,207 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 02:58:13,208 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 02:58:13,215 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 02:58:13,215 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 02:58:13,216 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 02:58:13,217 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 02:58:13,218 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 02:58:13,219 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 02:58:13,219 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 02:58:13,220 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 02:58:13,220 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 02:58:13,221 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 02:58:13,222 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 02:58:13,222 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 02:58:13,223 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 02:58:13,224 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 02:58:13,225 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 02:58:13,227 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 02:58:13,228 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 02:58:13,229 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 02:58:13,229 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 02:58:13,231 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 02:58:13,231 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 02:58:13,231 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 02:58:13,232 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 02:58:13,233 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 02:58:13,233 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 02:58:13,234 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 02:58:13,235 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 02:58:13,235 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 02:58:13,235 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 02:58:13,235 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 02:58:13,236 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 02:58:13,236 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 02:58:13,237 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 02:58:13,237 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1989ae48-591e-40ff-9cdc-f4152cbbe2af/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 02:58:13,246 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 02:58:13,246 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 02:58:13,247 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 02:58:13,247 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 02:58:13,247 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 02:58:13,247 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 02:58:13,248 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 02:58:13,248 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 02:58:13,248 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 02:58:13,248 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 02:58:13,248 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 02:58:13,248 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 02:58:13,249 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 02:58:13,249 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 02:58:13,249 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 02:58:13,249 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 02:58:13,249 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 02:58:13,249 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 02:58:13,250 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 02:58:13,250 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 02:58:13,250 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 02:58:13,250 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 02:58:13,250 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 02:58:13,250 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 02:58:13,250 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 02:58:13,251 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 02:58:13,251 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 02:58:13,251 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 02:58:13,251 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_1989ae48-591e-40ff-9cdc-f4152cbbe2af/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 ! call(__VERIFIER_error())) ) 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 -> 1b149b3cef099476d14a8b122afb66552d0406eb [2018-11-10 02:58:13,275 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 02:58:13,283 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 02:58:13,285 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 02:58:13,286 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 02:58:13,286 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 02:58:13,287 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1989ae48-591e-40ff-9cdc-f4152cbbe2af/bin-2019/ukojak/../../sv-benchmarks/c/loops/sum01_bug02_sum01_bug02_base.case_false-unreach-call_true-termination.i [2018-11-10 02:58:13,321 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1989ae48-591e-40ff-9cdc-f4152cbbe2af/bin-2019/ukojak/data/d3653ef03/31a5ce18d633423885067c8bf3ee98ad/FLAG0247c6e97 [2018-11-10 02:58:13,715 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 02:58:13,716 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1989ae48-591e-40ff-9cdc-f4152cbbe2af/sv-benchmarks/c/loops/sum01_bug02_sum01_bug02_base.case_false-unreach-call_true-termination.i [2018-11-10 02:58:13,719 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1989ae48-591e-40ff-9cdc-f4152cbbe2af/bin-2019/ukojak/data/d3653ef03/31a5ce18d633423885067c8bf3ee98ad/FLAG0247c6e97 [2018-11-10 02:58:13,728 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1989ae48-591e-40ff-9cdc-f4152cbbe2af/bin-2019/ukojak/data/d3653ef03/31a5ce18d633423885067c8bf3ee98ad [2018-11-10 02:58:13,730 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 02:58:13,731 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 02:58:13,732 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 02:58:13,732 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 02:58:13,735 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 02:58:13,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:58:13" (1/1) ... [2018-11-10 02:58:13,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dc2202b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:58:13, skipping insertion in model container [2018-11-10 02:58:13,737 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:58:13" (1/1) ... [2018-11-10 02:58:13,743 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 02:58:13,754 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 02:58:13,842 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 02:58:13,844 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 02:58:13,852 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 02:58:13,860 INFO L193 MainTranslator]: Completed translation [2018-11-10 02:58:13,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:58:13 WrapperNode [2018-11-10 02:58:13,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 02:58:13,861 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 02:58:13,861 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 02:58:13,861 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 02:58:13,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:58:13" (1/1) ... [2018-11-10 02:58:13,869 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:58:13" (1/1) ... [2018-11-10 02:58:13,880 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 02:58:13,880 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 02:58:13,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 02:58:13,880 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 02:58:13,885 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:58:13" (1/1) ... [2018-11-10 02:58:13,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:58:13" (1/1) ... [2018-11-10 02:58:13,886 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:58:13" (1/1) ... [2018-11-10 02:58:13,886 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:58:13" (1/1) ... [2018-11-10 02:58:13,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:58:13" (1/1) ... [2018-11-10 02:58:13,890 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:58:13" (1/1) ... [2018-11-10 02:58:13,890 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:58:13" (1/1) ... [2018-11-10 02:58:13,891 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 02:58:13,891 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 02:58:13,891 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 02:58:13,892 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 02:58:13,892 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:58:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1989ae48-591e-40ff-9cdc-f4152cbbe2af/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 [2018-11-10 02:58:13,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 02:58:13,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 02:58:14,116 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 02:58:14,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:58:14 BoogieIcfgContainer [2018-11-10 02:58:14,117 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 02:58:14,117 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 02:58:14,117 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 02:58:14,127 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 02:58:14,127 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:58:14" (1/1) ... [2018-11-10 02:58:14,136 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 02:58:14,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:58:14,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-10 02:58:14,169 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-10 02:58:14,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 02:58:14,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:58:14,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:58:14,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:58:14,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:58:14,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-11-10 02:58:14,269 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-11-10 02:58:14,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 02:58:14,270 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:58:14,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:58:14,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:58:14,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:58:14,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2018-11-10 02:58:14,380 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2018-11-10 02:58:14,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 02:58:14,380 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:58:14,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:58:14,527 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:58:14,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:58:14,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2018-11-10 02:58:14,866 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2018-11-10 02:58:14,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 02:58:14,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:58:14,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:58:14,948 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:58:15,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:58:15,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2018-11-10 02:58:15,093 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2018-11-10 02:58:15,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 02:58:15,094 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:58:15,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 02:58:15,195 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 02:58:15,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 02:58:15,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 33 transitions. [2018-11-10 02:58:15,387 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2018-11-10 02:58:15,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 02:58:15,387 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 02:58:15,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 02:58:15,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 02:58:15,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 02:58:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 02:58:15,450 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2018-11-10 02:58:15,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 02:58:15 ImpRootNode [2018-11-10 02:58:15,469 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 02:58:15,469 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 02:58:15,469 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 02:58:15,469 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 02:58:15,470 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:58:14" (3/4) ... [2018-11-10 02:58:15,472 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 02:58:15,514 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1989ae48-591e-40ff-9cdc-f4152cbbe2af/bin-2019/ukojak/witness.graphml [2018-11-10 02:58:15,514 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 02:58:15,515 INFO L168 Benchmark]: Toolchain (without parser) took 1784.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 960.3 MB in the beginning and 946.8 MB in the end (delta: 13.5 MB). Peak memory consumption was 161.4 MB. Max. memory is 11.5 GB. [2018-11-10 02:58:15,517 INFO L168 Benchmark]: CDTParser took 0.12 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. [2018-11-10 02:58:15,517 INFO L168 Benchmark]: CACSL2BoogieTranslator took 128.97 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.5 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-10 02:58:15,518 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.00 ms. Allocated memory is still 1.0 GB. Free memory is still 948.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 02:58:15,518 INFO L168 Benchmark]: Boogie Preprocessor took 11.18 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. [2018-11-10 02:58:15,519 INFO L168 Benchmark]: RCFGBuilder took 225.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -189.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2018-11-10 02:58:15,520 INFO L168 Benchmark]: CodeCheck took 1351.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 949.5 MB in the end (delta: 186.1 MB). Peak memory consumption was 186.1 MB. Max. memory is 11.5 GB. [2018-11-10 02:58:15,521 INFO L168 Benchmark]: Witness Printer took 45.48 ms. Allocated memory is still 1.2 GB. Free memory was 949.5 MB in the beginning and 946.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 02:58:15,525 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, 14 locations, 1 error locations. UNSAFE Result, 1.3s OverallTime, 6 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 192 SDtfs, 116 SDslu, 152 SDs, 0 SdLazy, 482 SolverSat, 154 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 348 GetRequests, 302 SyntacticMatches, 12 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 389 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 4086 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 0/20 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: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L12] int i, n=__VERIFIER_nondet_uint(), sn=0; [L12] int i, n=__VERIFIER_nondet_uint(), sn=0; [L13] i=1 [L13] COND TRUE i<=n [L14] sn = sn + (2) [L15] COND FALSE !(i==4) [L13] i++ [L13] COND TRUE i<=n [L14] sn = sn + (2) [L15] COND FALSE !(i==4) [L13] i++ [L13] COND TRUE i<=n [L14] sn = sn + (2) [L15] COND FALSE !(i==4) [L13] i++ [L13] COND TRUE i<=n [L14] sn = sn + (2) [L15] COND TRUE i==4 [L15] sn=-10 [L13] i++ [L13] COND FALSE !(i<=n) [L17] CALL __VERIFIER_assert(sn==n*(2) || sn == 0) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 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 128.97 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 948.5 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.00 ms. Allocated memory is still 1.0 GB. Free memory is still 948.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.18 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. * RCFGBuilder took 225.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -189.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * CodeCheck took 1351.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 949.5 MB in the end (delta: 186.1 MB). Peak memory consumption was 186.1 MB. Max. memory is 11.5 GB. * Witness Printer took 45.48 ms. Allocated memory is still 1.2 GB. Free memory was 949.5 MB in the beginning and 946.8 MB 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...