./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/nsqmf.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_08fbd4f0-f50e-435a-a5e4-8527e2998346/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_08fbd4f0-f50e-435a-a5e4-8527e2998346/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_08fbd4f0-f50e-435a-a5e4-8527e2998346/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_08fbd4f0-f50e-435a-a5e4-8527e2998346/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/nsqmf.c -s /tmp/vcloud-vcloud-master/worker/run_dir_08fbd4f0-f50e-435a-a5e4-8527e2998346/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_08fbd4f0-f50e-435a-a5e4-8527e2998346/bin/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 77c3d0fb70413cbc54fe34f29c209fe7f583a4aa ....................................................................................................................................................................................................................... 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 0.1.24-678e011 [2019-11-20 06:22:14,197 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 06:22:14,199 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 06:22:14,212 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 06:22:14,213 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 06:22:14,215 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 06:22:14,216 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 06:22:14,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 06:22:14,229 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 06:22:14,233 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 06:22:14,234 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 06:22:14,235 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 06:22:14,235 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 06:22:14,237 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 06:22:14,238 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 06:22:14,239 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 06:22:14,240 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 06:22:14,241 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 06:22:14,243 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 06:22:14,246 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 06:22:14,250 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 06:22:14,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 06:22:14,254 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 06:22:14,255 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 06:22:14,257 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 06:22:14,258 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 06:22:14,258 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 06:22:14,259 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 06:22:14,260 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 06:22:14,260 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 06:22:14,261 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 06:22:14,261 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 06:22:14,262 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 06:22:14,263 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 06:22:14,264 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 06:22:14,264 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 06:22:14,264 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 06:22:14,264 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 06:22:14,265 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 06:22:14,265 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 06:22:14,267 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 06:22:14,267 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_08fbd4f0-f50e-435a-a5e4-8527e2998346/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 06:22:14,291 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 06:22:14,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 06:22:14,301 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 06:22:14,302 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 06:22:14,302 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 06:22:14,302 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 06:22:14,303 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 06:22:14,303 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 06:22:14,303 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 06:22:14,303 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 06:22:14,304 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 06:22:14,304 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 06:22:14,304 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 06:22:14,304 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 06:22:14,304 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 06:22:14,305 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 06:22:14,306 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 06:22:14,306 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 06:22:14,306 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 06:22:14,306 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 06:22:14,306 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 06:22:14,307 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 06:22:14,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 06:22:14,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 06:22:14,307 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 06:22:14,308 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 06:22:14,308 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 06:22:14,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 06:22:14,308 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 06:22:14,308 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_08fbd4f0-f50e-435a-a5e4-8527e2998346/bin/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 -> 77c3d0fb70413cbc54fe34f29c209fe7f583a4aa [2019-11-20 06:22:14,482 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 06:22:14,495 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 06:22:14,498 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 06:22:14,499 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 06:22:14,499 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 06:22:14,499 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_08fbd4f0-f50e-435a-a5e4-8527e2998346/bin/ukojak/../../sv-benchmarks/c/array-fpi/nsqmf.c [2019-11-20 06:22:14,576 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_08fbd4f0-f50e-435a-a5e4-8527e2998346/bin/ukojak/data/c827d214d/8b48fa0778544d458f185fac7de6b7cb/FLAG5c105a274 [2019-11-20 06:22:14,891 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 06:22:14,891 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_08fbd4f0-f50e-435a-a5e4-8527e2998346/sv-benchmarks/c/array-fpi/nsqmf.c [2019-11-20 06:22:14,897 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_08fbd4f0-f50e-435a-a5e4-8527e2998346/bin/ukojak/data/c827d214d/8b48fa0778544d458f185fac7de6b7cb/FLAG5c105a274 [2019-11-20 06:22:15,302 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_08fbd4f0-f50e-435a-a5e4-8527e2998346/bin/ukojak/data/c827d214d/8b48fa0778544d458f185fac7de6b7cb [2019-11-20 06:22:15,305 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 06:22:15,306 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 06:22:15,307 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 06:22:15,307 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 06:22:15,310 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 06:22:15,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:22:15" (1/1) ... [2019-11-20 06:22:15,322 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e89e589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:15, skipping insertion in model container [2019-11-20 06:22:15,322 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:22:15" (1/1) ... [2019-11-20 06:22:15,328 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 06:22:15,342 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 06:22:15,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:22:15,552 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 06:22:15,639 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 06:22:15,658 INFO L192 MainTranslator]: Completed translation [2019-11-20 06:22:15,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:15 WrapperNode [2019-11-20 06:22:15,658 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 06:22:15,659 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 06:22:15,659 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 06:22:15,659 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 06:22:15,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:15" (1/1) ... [2019-11-20 06:22:15,673 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:15" (1/1) ... [2019-11-20 06:22:15,689 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 06:22:15,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 06:22:15,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 06:22:15,690 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 06:22:15,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:15" (1/1) ... [2019-11-20 06:22:15,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:15" (1/1) ... [2019-11-20 06:22:15,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:15" (1/1) ... [2019-11-20 06:22:15,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:15" (1/1) ... [2019-11-20 06:22:15,703 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:15" (1/1) ... [2019-11-20 06:22:15,707 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:15" (1/1) ... [2019-11-20 06:22:15,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:15" (1/1) ... [2019-11-20 06:22:15,710 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 06:22:15,711 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 06:22:15,711 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 06:22:15,711 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 06:22:15,712 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_08fbd4f0-f50e-435a-a5e4-8527e2998346/bin/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 [2019-11-20 06:22:15,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 06:22:15,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-20 06:22:15,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 06:22:15,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 06:22:15,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 06:22:16,045 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 06:22:16,045 INFO L285 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-20 06:22:16,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:22:16 BoogieIcfgContainer [2019-11-20 06:22:16,046 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 06:22:16,047 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 06:22:16,047 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 06:22:16,056 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 06:22:16,056 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:22:16" (1/1) ... [2019-11-20 06:22:16,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 06:22:16,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 06:22:16,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2019-11-20 06:22:16,097 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2019-11-20 06:22:16,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-20 06:22:16,100 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 06:22:16,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:22:16,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 06:22:16,256 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2019-11-20 06:22:16,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:22:16 ImpRootNode [2019-11-20 06:22:16,282 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 06:22:16,282 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 06:22:16,282 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 06:22:16,283 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 06:22:16,283 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:22:16" (3/4) ... [2019-11-20 06:22:16,284 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-20 06:22:16,322 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_08fbd4f0-f50e-435a-a5e4-8527e2998346/bin/ukojak/witness.graphml [2019-11-20 06:22:16,322 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 06:22:16,324 INFO L168 Benchmark]: Toolchain (without parser) took 1017.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -142.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:22:16,325 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:22:16,325 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -188.0 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2019-11-20 06:22:16,326 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:22:16,326 INFO L168 Benchmark]: Boogie Preprocessor took 20.64 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 06:22:16,327 INFO L168 Benchmark]: RCFGBuilder took 335.60 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: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. [2019-11-20 06:22:16,327 INFO L168 Benchmark]: CodeCheck took 235.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-20 06:22:16,328 INFO L168 Benchmark]: Witness Printer took 40.03 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 06:22:16,331 INFO L335 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, 11 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 10]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L14] int N; [L18] N = __VERIFIER_nondet_int() [L19] COND FALSE !(N <= 0) [L22] int i; [L23] long long *a = malloc(sizeof(long long)*N); [L24] long long *b = malloc(sizeof(long long)*N); [L26] b[0] = 1 [L27] a[0] = 1 [L29] i=1 VAL [N=1] [L29] COND FALSE !(i