./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_true-valid-memsafety_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_58e2e8c3-8cbe-45e1-97be-04d4adccccf9/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_58e2e8c3-8cbe-45e1-97be-04d4adccccf9/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_58e2e8c3-8cbe-45e1-97be-04d4adccccf9/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_58e2e8c3-8cbe-45e1-97be-04d4adccccf9/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_true-valid-memsafety_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_58e2e8c3-8cbe-45e1-97be-04d4adccccf9/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_58e2e8c3-8cbe-45e1-97be-04d4adccccf9/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 69a450466ef894dfd523cea1e8c68b55495b15f9 ............................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 15:47:45,256 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 15:47:45,257 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 15:47:45,263 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 15:47:45,263 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 15:47:45,264 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 15:47:45,264 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 15:47:45,265 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 15:47:45,266 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 15:47:45,267 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 15:47:45,267 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 15:47:45,267 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 15:47:45,268 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 15:47:45,268 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 15:47:45,269 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 15:47:45,269 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 15:47:45,270 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 15:47:45,271 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 15:47:45,272 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 15:47:45,273 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 15:47:45,273 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 15:47:45,274 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 15:47:45,275 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 15:47:45,275 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 15:47:45,275 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 15:47:45,276 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 15:47:45,276 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 15:47:45,277 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 15:47:45,277 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 15:47:45,278 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 15:47:45,278 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 15:47:45,278 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 15:47:45,278 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 15:47:45,279 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 15:47:45,279 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 15:47:45,279 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 15:47:45,280 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_58e2e8c3-8cbe-45e1-97be-04d4adccccf9/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-12-08 15:47:45,287 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 15:47:45,287 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 15:47:45,288 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 15:47:45,288 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 15:47:45,288 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 15:47:45,288 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 15:47:45,288 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 15:47:45,288 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 15:47:45,289 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 15:47:45,289 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 15:47:45,289 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-08 15:47:45,289 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-08 15:47:45,289 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-08 15:47:45,289 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 15:47:45,289 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 15:47:45,289 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 15:47:45,290 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 15:47:45,290 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 15:47:45,290 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 15:47:45,290 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 15:47:45,290 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 15:47:45,290 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 15:47:45,290 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 15:47:45,290 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 15:47:45,291 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 15:47:45,291 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in 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_58e2e8c3-8cbe-45e1-97be-04d4adccccf9/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 69a450466ef894dfd523cea1e8c68b55495b15f9 [2018-12-08 15:47:45,308 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 15:47:45,315 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 15:47:45,317 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 15:47:45,318 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 15:47:45,318 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 15:47:45,318 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_58e2e8c3-8cbe-45e1-97be-04d4adccccf9/bin-2019/ukojak/../../sv-benchmarks/c/ldv-memsafety/memleaks_test5_true-valid-memsafety_true-termination.i [2018-12-08 15:47:45,352 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_58e2e8c3-8cbe-45e1-97be-04d4adccccf9/bin-2019/ukojak/data/8401fa015/9c73f88cdb1c47fd8d2d42c531401dae/FLAG26b768410 [2018-12-08 15:47:45,807 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 15:47:45,808 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_58e2e8c3-8cbe-45e1-97be-04d4adccccf9/sv-benchmarks/c/ldv-memsafety/memleaks_test5_true-valid-memsafety_true-termination.i [2018-12-08 15:47:45,815 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_58e2e8c3-8cbe-45e1-97be-04d4adccccf9/bin-2019/ukojak/data/8401fa015/9c73f88cdb1c47fd8d2d42c531401dae/FLAG26b768410 [2018-12-08 15:47:45,823 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_58e2e8c3-8cbe-45e1-97be-04d4adccccf9/bin-2019/ukojak/data/8401fa015/9c73f88cdb1c47fd8d2d42c531401dae [2018-12-08 15:47:45,825 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 15:47:45,826 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 15:47:45,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 15:47:45,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 15:47:45,829 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 15:47:45,829 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:47:45" (1/1) ... [2018-12-08 15:47:45,831 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f5fc0d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:45, skipping insertion in model container [2018-12-08 15:47:45,831 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:47:45" (1/1) ... [2018-12-08 15:47:45,835 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 15:47:45,857 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 15:47:46,079 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 15:47:46,091 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 15:47:46,123 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 15:47:46,153 INFO L195 MainTranslator]: Completed translation [2018-12-08 15:47:46,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:46 WrapperNode [2018-12-08 15:47:46,153 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 15:47:46,154 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 15:47:46,154 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 15:47:46,154 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 15:47:46,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:46" (1/1) ... [2018-12-08 15:47:46,169 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:46" (1/1) ... [2018-12-08 15:47:46,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 15:47:46,181 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 15:47:46,181 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 15:47:46,181 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 15:47:46,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:46" (1/1) ... [2018-12-08 15:47:46,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:46" (1/1) ... [2018-12-08 15:47:46,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:46" (1/1) ... [2018-12-08 15:47:46,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:46" (1/1) ... [2018-12-08 15:47:46,191 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:46" (1/1) ... [2018-12-08 15:47:46,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:46" (1/1) ... [2018-12-08 15:47:46,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:46" (1/1) ... [2018-12-08 15:47:46,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 15:47:46,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 15:47:46,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 15:47:46,194 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 15:47:46,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58e2e8c3-8cbe-45e1-97be-04d4adccccf9/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 [2018-12-08 15:47:46,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 15:47:46,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 15:47:46,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-08 15:47:46,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 15:47:46,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 15:47:46,373 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 15:47:46,373 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-08 15:47:46,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:47:46 BoogieIcfgContainer [2018-12-08 15:47:46,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 15:47:46,373 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 15:47:46,374 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 15:47:46,380 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 15:47:46,380 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:47:46" (1/1) ... [2018-12-08 15:47:46,386 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 15:47:46,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 15:47:46,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-12-08 15:47:46,407 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-12-08 15:47:46,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-08 15:47:46,408 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 15:47:46,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:47:46,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 15:47:46,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 15:47:46,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2018-12-08 15:47:46,544 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2018-12-08 15:47:46,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-08 15:47:46,544 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 15:47:46,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:47:46,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 15:47:46,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 15:47:46,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-12-08 15:47:46,630 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-12-08 15:47:46,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-08 15:47:46,630 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 15:47:46,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:47:46,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 15:47:46,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 15:47:46,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2018-12-08 15:47:46,787 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2018-12-08 15:47:46,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 15:47:46,788 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 15:47:46,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 15:47:46,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 15:47:47,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 15:47:47,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-12-08 15:47:47,251 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-12-08 15:47:47,251 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 15:47:47,251 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2018-12-08 15:47:47,257 INFO L779 CodeCheckObserver]: All specifications hold 3 specifications checked. All of them hold [2018-12-08 15:47:47,285 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 15:47:47,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 03:47:47 ImpRootNode [2018-12-08 15:47:47,287 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 15:47:47,287 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 15:47:47,287 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 15:47:47,287 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 15:47:47,288 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:47:46" (3/4) ... [2018-12-08 15:47:47,290 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 15:47:47,296 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 15:47:47,296 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-08 15:47:47,296 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 15:47:47,323 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_58e2e8c3-8cbe-45e1-97be-04d4adccccf9/bin-2019/ukojak/witness.graphml [2018-12-08 15:47:47,323 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 15:47:47,324 INFO L168 Benchmark]: Toolchain (without parser) took 1498.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.5 MB). Free memory was 956.0 MB in the beginning and 940.2 MB in the end (delta: 15.8 MB). Peak memory consumption was 189.3 MB. Max. memory is 11.5 GB. [2018-12-08 15:47:47,325 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 15:47:47,325 INFO L168 Benchmark]: CACSL2BoogieTranslator took 326.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.5 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -189.6 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. [2018-12-08 15:47:47,325 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.30 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. [2018-12-08 15:47:47,326 INFO L168 Benchmark]: Boogie Preprocessor took 12.66 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. [2018-12-08 15:47:47,326 INFO L168 Benchmark]: RCFGBuilder took 179.40 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: 27.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2018-12-08 15:47:47,326 INFO L168 Benchmark]: CodeCheck took 913.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 940.2 MB in the end (delta: 178.0 MB). Peak memory consumption was 178.0 MB. Max. memory is 11.5 GB. [2018-12-08 15:47:47,326 INFO L168 Benchmark]: Witness Printer took 36.18 ms. Allocated memory is still 1.2 GB. Free memory is still 940.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 15:47:47,328 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, 3 error locations. SAFE Result, 0.8s OverallTime, 5 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 46 SDslu, 0 SDs, 0 SdLazy, 236 SolverSat, 102 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 112 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 441 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 443 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1440]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1440]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 1449]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 326.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.5 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -189.6 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.30 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. * Boogie Preprocessor took 12.66 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. * RCFGBuilder took 179.40 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: 27.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * CodeCheck took 913.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 940.2 MB in the end (delta: 178.0 MB). Peak memory consumption was 178.0 MB. Max. memory is 11.5 GB. * Witness Printer took 36.18 ms. Allocated memory is still 1.2 GB. Free memory is still 940.2 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...