./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/sum_array_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_472391fb-b24f-4764-bc66-28aad19d8165/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_472391fb-b24f-4764-bc66-28aad19d8165/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_472391fb-b24f-4764-bc66-28aad19d8165/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_472391fb-b24f-4764-bc66-28aad19d8165/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/sum_array_false-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_472391fb-b24f-4764-bc66-28aad19d8165/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_472391fb-b24f-4764-bc66-28aad19d8165/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 d03898b2adab3b021eca92ab7fbddac81b7b0464 ..................................................................................................................................................................................................................................................... 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 0.1.23-635dfa2 [2018-12-09 09:02:30,188 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 09:02:30,189 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 09:02:30,195 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 09:02:30,195 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 09:02:30,196 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 09:02:30,197 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 09:02:30,197 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 09:02:30,198 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 09:02:30,199 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 09:02:30,199 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 09:02:30,199 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 09:02:30,200 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 09:02:30,200 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 09:02:30,200 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 09:02:30,201 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 09:02:30,201 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 09:02:30,202 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 09:02:30,203 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 09:02:30,204 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 09:02:30,204 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 09:02:30,205 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 09:02:30,206 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 09:02:30,206 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 09:02:30,206 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 09:02:30,206 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 09:02:30,207 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 09:02:30,207 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 09:02:30,208 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 09:02:30,208 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 09:02:30,208 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 09:02:30,209 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 09:02:30,209 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 09:02:30,209 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 09:02:30,209 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 09:02:30,210 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 09:02:30,210 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_472391fb-b24f-4764-bc66-28aad19d8165/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 09:02:30,217 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 09:02:30,217 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 09:02:30,217 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 09:02:30,217 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 09:02:30,218 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 09:02:30,218 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 09:02:30,218 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 09:02:30,218 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 09:02:30,218 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 09:02:30,218 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 09:02:30,218 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 09:02:30,218 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 09:02:30,219 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 09:02:30,219 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 09:02:30,219 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 09:02:30,219 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 09:02:30,219 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 09:02:30,219 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 09:02:30,219 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 09:02:30,219 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 09:02:30,219 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 09:02:30,219 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 09:02:30,219 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 09:02:30,220 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 09:02:30,220 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 09:02:30,220 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 09:02:30,220 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 09:02:30,220 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 09:02:30,220 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 09:02:30,220 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_472391fb-b24f-4764-bc66-28aad19d8165/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 -> d03898b2adab3b021eca92ab7fbddac81b7b0464 [2018-12-09 09:02:30,236 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 09:02:30,243 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 09:02:30,245 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 09:02:30,246 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 09:02:30,246 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 09:02:30,246 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_472391fb-b24f-4764-bc66-28aad19d8165/bin-2019/ukojak/../../sv-benchmarks/c/loops/sum_array_false-unreach-call.i [2018-12-09 09:02:30,281 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_472391fb-b24f-4764-bc66-28aad19d8165/bin-2019/ukojak/data/14d37d636/4bc17d0d20e94681b8b5b77cd8ed613f/FLAGc7d2805f7 [2018-12-09 09:02:30,687 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 09:02:30,688 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_472391fb-b24f-4764-bc66-28aad19d8165/sv-benchmarks/c/loops/sum_array_false-unreach-call.i [2018-12-09 09:02:30,691 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_472391fb-b24f-4764-bc66-28aad19d8165/bin-2019/ukojak/data/14d37d636/4bc17d0d20e94681b8b5b77cd8ed613f/FLAGc7d2805f7 [2018-12-09 09:02:30,700 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_472391fb-b24f-4764-bc66-28aad19d8165/bin-2019/ukojak/data/14d37d636/4bc17d0d20e94681b8b5b77cd8ed613f [2018-12-09 09:02:30,701 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 09:02:30,702 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 09:02:30,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 09:02:30,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 09:02:30,705 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 09:02:30,706 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:02:30" (1/1) ... [2018-12-09 09:02:30,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bdd580a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:02:30, skipping insertion in model container [2018-12-09 09:02:30,707 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:02:30" (1/1) ... [2018-12-09 09:02:30,712 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 09:02:30,721 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 09:02:30,809 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:02:30,811 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 09:02:30,824 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:02:30,835 INFO L195 MainTranslator]: Completed translation [2018-12-09 09:02:30,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:02:30 WrapperNode [2018-12-09 09:02:30,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 09:02:30,835 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 09:02:30,835 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 09:02:30,836 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 09:02:30,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:02:30" (1/1) ... [2018-12-09 09:02:30,845 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:02:30" (1/1) ... [2018-12-09 09:02:30,861 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 09:02:30,862 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 09:02:30,862 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 09:02:30,862 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 09:02:30,897 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:02:30" (1/1) ... [2018-12-09 09:02:30,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:02:30" (1/1) ... [2018-12-09 09:02:30,898 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:02:30" (1/1) ... [2018-12-09 09:02:30,898 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:02:30" (1/1) ... [2018-12-09 09:02:30,903 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:02:30" (1/1) ... [2018-12-09 09:02:30,907 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:02:30" (1/1) ... [2018-12-09 09:02:30,908 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:02:30" (1/1) ... [2018-12-09 09:02:30,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 09:02:30,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 09:02:30,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 09:02:30,910 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 09:02:30,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:02:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_472391fb-b24f-4764-bc66-28aad19d8165/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 [2018-12-09 09:02:30,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 09:02:30,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 09:02:30,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 09:02:30,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 09:02:30,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 09:02:30,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 09:02:31,126 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 09:02:31,126 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-09 09:02:31,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:02:31 BoogieIcfgContainer [2018-12-09 09:02:31,126 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 09:02:31,127 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 09:02:31,127 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 09:02:31,135 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 09:02:31,135 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:02:31" (1/1) ... [2018-12-09 09:02:31,144 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:02:31,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:02:31,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2018-12-09 09:02:31,172 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2018-12-09 09:02:31,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 09:02:31,174 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:02:31,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:02:31,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:02:31,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:02:31,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2018-12-09 09:02:31,343 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2018-12-09 09:02:31,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 09:02:31,343 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:02:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:02:31,433 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:02:31,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:02:31,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2018-12-09 09:02:31,557 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2018-12-09 09:02:31,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 09:02:31,558 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:02:31,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:02:31,629 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 09:02:31,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:02:31,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2018-12-09 09:02:31,655 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2018-12-09 09:02:31,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 09:02:31,656 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:02:31,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:02:31,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:02:31,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:02:31,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:02:31,765 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2018-12-09 09:02:31,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 09:02:31 ImpRootNode [2018-12-09 09:02:31,790 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 09:02:31,790 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 09:02:31,790 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 09:02:31,791 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 09:02:31,791 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:02:31" (3/4) ... [2018-12-09 09:02:31,793 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 09:02:31,825 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_472391fb-b24f-4764-bc66-28aad19d8165/bin-2019/ukojak/witness.graphml [2018-12-09 09:02:31,825 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 09:02:31,826 INFO L168 Benchmark]: Toolchain (without parser) took 1123.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 956.0 MB in the beginning and 975.7 MB in the end (delta: -19.7 MB). Peak memory consumption was 80.4 MB. Max. memory is 11.5 GB. [2018-12-09 09:02:31,826 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:02:31,827 INFO L168 Benchmark]: CACSL2BoogieTranslator took 132.43 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 945.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 09:02:31,827 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.96 ms. Allocated memory is still 1.0 GB. Free memory was 945.3 MB in the beginning and 939.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 09:02:31,827 INFO L168 Benchmark]: Boogie Preprocessor took 48.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -155.3 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-12-09 09:02:31,828 INFO L168 Benchmark]: RCFGBuilder took 216.30 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-12-09 09:02:31,828 INFO L168 Benchmark]: CodeCheck took 663.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 975.7 MB in the end (delta: 94.4 MB). Peak memory consumption was 94.4 MB. Max. memory is 11.5 GB. [2018-12-09 09:02:31,829 INFO L168 Benchmark]: Witness Printer took 34.83 ms. Allocated memory is still 1.1 GB. Free memory is still 975.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:02:31,831 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 21 locations, 1 error locations. UNSAFE Result, 0.6s OverallTime, 4 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 12 SDtfs, 32 SDslu, 8 SDs, 0 SdLazy, 136 SolverSat, 72 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 198 GetRequests, 178 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 1008 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 1/3 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: 6]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L14] unsigned int M = __VERIFIER_nondet_uint(); [L15] int A[M], B[M], C[M]; [L16] unsigned int i; [L18] i=0 [L18] COND TRUE i