./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-acceleration/multivar_1-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6d3f51ef-46c1-475d-b023-fdde539c36a6/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6d3f51ef-46c1-475d-b023-fdde539c36a6/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6d3f51ef-46c1-475d-b023-fdde539c36a6/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6d3f51ef-46c1-475d-b023-fdde539c36a6/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-acceleration/multivar_1-2.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6d3f51ef-46c1-475d-b023-fdde539c36a6/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6d3f51ef-46c1-475d-b023-fdde539c36a6/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 9ad235a775c611b52c97f09480429c410266efeb ..................................................................................................................................................................................................... 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-cad4683 [2019-10-22 10:13:43,142 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:13:43,144 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:13:43,152 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:13:43,152 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:13:43,153 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:13:43,154 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:13:43,156 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:13:43,157 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:13:43,158 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:13:43,159 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:13:43,160 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:13:43,160 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:13:43,161 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:13:43,162 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:13:43,163 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:13:43,163 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:13:43,164 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:13:43,166 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:13:43,167 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:13:43,169 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:13:43,170 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:13:43,171 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:13:43,171 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:13:43,174 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:13:43,174 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:13:43,174 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:13:43,175 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:13:43,175 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:13:43,176 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:13:43,176 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:13:43,177 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:13:43,178 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:13:43,179 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:13:43,179 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:13:43,180 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:13:43,180 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:13:43,181 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:13:43,181 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:13:43,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:13:43,182 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:13:43,183 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6d3f51ef-46c1-475d-b023-fdde539c36a6/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:13:43,196 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:13:43,196 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:13:43,197 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:13:43,197 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:13:43,198 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:13:43,198 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:13:43,198 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:13:43,199 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:13:43,199 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:13:43,199 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:13:43,199 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:13:43,199 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:13:43,199 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:13:43,199 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:13:43,200 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:13:43,200 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:13:43,200 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:13:43,200 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:13:43,201 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:13:43,201 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:13:43,201 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:13:43,201 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:13:43,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:13:43,201 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:13:43,202 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:13:43,202 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:13:43,202 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:13:43,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:13:43,202 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:13:43,202 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/working_dir_6d3f51ef-46c1-475d-b023-fdde539c36a6/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 -> 9ad235a775c611b52c97f09480429c410266efeb [2019-10-22 10:13:43,236 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:13:43,246 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:13:43,250 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:13:43,252 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:13:43,252 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:13:43,253 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6d3f51ef-46c1-475d-b023-fdde539c36a6/bin/ukojak/../../sv-benchmarks/c/loop-acceleration/multivar_1-2.c [2019-10-22 10:13:43,298 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6d3f51ef-46c1-475d-b023-fdde539c36a6/bin/ukojak/data/4da23c521/1f091911411e4c389f65ec64fc2d6409/FLAG6f5ba6fd1 [2019-10-22 10:13:43,712 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:13:43,721 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6d3f51ef-46c1-475d-b023-fdde539c36a6/sv-benchmarks/c/loop-acceleration/multivar_1-2.c [2019-10-22 10:13:43,728 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6d3f51ef-46c1-475d-b023-fdde539c36a6/bin/ukojak/data/4da23c521/1f091911411e4c389f65ec64fc2d6409/FLAG6f5ba6fd1 [2019-10-22 10:13:44,094 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6d3f51ef-46c1-475d-b023-fdde539c36a6/bin/ukojak/data/4da23c521/1f091911411e4c389f65ec64fc2d6409 [2019-10-22 10:13:44,097 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:13:44,098 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:13:44,099 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:13:44,099 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:13:44,102 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:13:44,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:13:44" (1/1) ... [2019-10-22 10:13:44,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c23e08a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:44, skipping insertion in model container [2019-10-22 10:13:44,108 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:13:44" (1/1) ... [2019-10-22 10:13:44,115 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:13:44,130 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:13:44,259 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:13:44,263 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:13:44,330 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:13:44,343 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:13:44,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:44 WrapperNode [2019-10-22 10:13:44,343 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:13:44,344 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:13:44,344 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:13:44,344 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:13:44,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:44" (1/1) ... [2019-10-22 10:13:44,357 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:44" (1/1) ... [2019-10-22 10:13:44,372 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:13:44,372 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:13:44,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:13:44,373 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:13:44,380 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:44" (1/1) ... [2019-10-22 10:13:44,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:44" (1/1) ... [2019-10-22 10:13:44,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:44" (1/1) ... [2019-10-22 10:13:44,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:44" (1/1) ... [2019-10-22 10:13:44,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:44" (1/1) ... [2019-10-22 10:13:44,385 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:44" (1/1) ... [2019-10-22 10:13:44,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:44" (1/1) ... [2019-10-22 10:13:44,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:13:44,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:13:44,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:13:44,387 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:13:44,388 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6d3f51ef-46c1-475d-b023-fdde539c36a6/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 [2019-10-22 10:13:44,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:13:44,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:13:44,569 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:13:44,569 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 10:13:44,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:13:44 BoogieIcfgContainer [2019-10-22 10:13:44,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:13:44,571 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:13:44,571 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:13:44,581 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:13:44,581 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:13:44" (1/1) ... [2019-10-22 10:13:44,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:13:44,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:44,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2019-10-22 10:13:44,613 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2019-10-22 10:13:44,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-10-22 10:13:44,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:44,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:13:44,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:13:44,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:13:44,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:13:44,743 WARN L489 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2019-10-22 10:13:44,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:13:44 ImpRootNode [2019-10-22 10:13:44,760 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:13:44,761 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:13:44,761 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:13:44,761 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:13:44,762 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:13:44" (3/4) ... [2019-10-22 10:13:44,764 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 10:13:44,805 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6d3f51ef-46c1-475d-b023-fdde539c36a6/bin/ukojak/witness.graphml [2019-10-22 10:13:44,805 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:13:44,807 INFO L168 Benchmark]: Toolchain (without parser) took 708.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 943.2 MB in the beginning and 1.1 GB in the end (delta: -134.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:13:44,807 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:13:44,820 INFO L168 Benchmark]: CACSL2BoogieTranslator took 244.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 943.2 MB in the beginning and 1.1 GB in the end (delta: -164.4 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:44,821 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.24 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:13:44,821 INFO L168 Benchmark]: Boogie Preprocessor took 14.31 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:13:44,822 INFO L168 Benchmark]: RCFGBuilder took 183.57 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: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:44,828 INFO L168 Benchmark]: CodeCheck took 189.56 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: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:44,828 INFO L168 Benchmark]: Witness Printer took 44.13 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:13:44,832 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, 7 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, 4 NumberOfCodeBlocks, 4 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: 6]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L12] unsigned int x = __VERIFIER_nondet_uint(); [L13] unsigned int y = x + 1; [L15] COND FALSE !(x < 1024) [L5] COND TRUE !(cond) [L6] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 244.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 943.2 MB in the beginning and 1.1 GB in the end (delta: -164.4 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.24 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.31 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 183.57 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: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. * CodeCheck took 189.56 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: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. * Witness Printer took 44.13 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...