./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8909573f-2b85-4d21-847f-d79e30eb7b52/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_8909573f-2b85-4d21-847f-d79e30eb7b52/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8909573f-2b85-4d21-847f-d79e30eb7b52/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8909573f-2b85-4d21-847f-d79e30eb7b52/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8.i -s /tmp/vcloud-vcloud-master/worker/run_dir_8909573f-2b85-4d21-847f-d79e30eb7b52/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8909573f-2b85-4d21-847f-d79e30eb7b52/bin/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 ea76204732189107ea57f186f34feef6f7f76c1e ............................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 19:26:52,467 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 19:26:52,469 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 19:26:52,476 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 19:26:52,477 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 19:26:52,477 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 19:26:52,478 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 19:26:52,479 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 19:26:52,481 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 19:26:52,481 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 19:26:52,482 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 19:26:52,483 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 19:26:52,483 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 19:26:52,484 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 19:26:52,484 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 19:26:52,485 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 19:26:52,485 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 19:26:52,486 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 19:26:52,488 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 19:26:52,489 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 19:26:52,490 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 19:26:52,491 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 19:26:52,491 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 19:26:52,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 19:26:52,494 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 19:26:52,494 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 19:26:52,494 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 19:26:52,494 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 19:26:52,495 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 19:26:52,495 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 19:26:52,495 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 19:26:52,496 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 19:26:52,496 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 19:26:52,497 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 19:26:52,497 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 19:26:52,497 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 19:26:52,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 19:26:52,498 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 19:26:52,498 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 19:26:52,498 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 19:26:52,499 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 19:26:52,499 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8909573f-2b85-4d21-847f-d79e30eb7b52/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2019-12-01 19:26:52,508 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 19:26:52,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 19:26:52,509 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 19:26:52,509 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 19:26:52,509 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 19:26:52,509 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 19:26:52,510 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-01 19:26:52,510 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 19:26:52,510 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 19:26:52,510 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 19:26:52,510 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-01 19:26:52,510 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-01 19:26:52,510 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-01 19:26:52,510 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 19:26:52,510 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 19:26:52,510 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 19:26:52,511 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 19:26:52,511 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 19:26:52,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 19:26:52,511 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 19:26:52,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 19:26:52,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 19:26:52,511 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 19:26:52,511 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 19:26:52,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 19:26:52,512 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_8909573f-2b85-4d21-847f-d79e30eb7b52/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 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 -> ea76204732189107ea57f186f34feef6f7f76c1e [2019-12-01 19:26:52,620 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 19:26:52,629 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 19:26:52,631 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 19:26:52,632 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 19:26:52,632 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 19:26:52,633 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8909573f-2b85-4d21-847f-d79e30eb7b52/bin/ukojak/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8.i [2019-12-01 19:26:52,676 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8909573f-2b85-4d21-847f-d79e30eb7b52/bin/ukojak/data/141b28772/a00277524e4e4f978bd521c9f557066c/FLAGa1925bc1e [2019-12-01 19:26:53,045 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 19:26:53,045 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8909573f-2b85-4d21-847f-d79e30eb7b52/sv-benchmarks/c/ldv-memsafety/memleaks_test8.i [2019-12-01 19:26:53,055 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8909573f-2b85-4d21-847f-d79e30eb7b52/bin/ukojak/data/141b28772/a00277524e4e4f978bd521c9f557066c/FLAGa1925bc1e [2019-12-01 19:26:53,444 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8909573f-2b85-4d21-847f-d79e30eb7b52/bin/ukojak/data/141b28772/a00277524e4e4f978bd521c9f557066c [2019-12-01 19:26:53,447 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 19:26:53,448 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 19:26:53,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 19:26:53,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 19:26:53,452 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 19:26:53,452 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:26:53" (1/1) ... [2019-12-01 19:26:53,454 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4221e91c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:26:53, skipping insertion in model container [2019-12-01 19:26:53,454 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:26:53" (1/1) ... [2019-12-01 19:26:53,460 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 19:26:53,487 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 19:26:53,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 19:26:53,764 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 19:26:53,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 19:26:53,862 INFO L208 MainTranslator]: Completed translation [2019-12-01 19:26:53,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:26:53 WrapperNode [2019-12-01 19:26:53,863 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 19:26:53,863 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 19:26:53,864 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 19:26:53,864 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 19:26:53,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:26:53" (1/1) ... [2019-12-01 19:26:53,884 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:26:53" (1/1) ... [2019-12-01 19:26:53,899 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 19:26:53,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 19:26:53,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 19:26:53,899 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 19:26:53,905 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:26:53" (1/1) ... [2019-12-01 19:26:53,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:26:53" (1/1) ... [2019-12-01 19:26:53,907 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:26:53" (1/1) ... [2019-12-01 19:26:53,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:26:53" (1/1) ... [2019-12-01 19:26:53,912 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:26:53" (1/1) ... [2019-12-01 19:26:53,913 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:26:53" (1/1) ... [2019-12-01 19:26:53,914 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:26:53" (1/1) ... [2019-12-01 19:26:53,915 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 19:26:53,915 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 19:26:53,916 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 19:26:53,916 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 19:26:53,916 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:26:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8909573f-2b85-4d21-847f-d79e30eb7b52/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 [2019-12-01 19:26:53,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-01 19:26:53,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 19:26:53,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-01 19:26:53,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-01 19:26:53,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 19:26:53,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 19:26:54,148 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 19:26:54,148 INFO L287 CfgBuilder]: Removed 12 assume(true) statements. [2019-12-01 19:26:54,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:26:54 BoogieIcfgContainer [2019-12-01 19:26:54,149 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 19:26:54,149 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 19:26:54,149 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 19:26:54,156 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 19:26:54,156 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:26:54" (1/1) ... [2019-12-01 19:26:54,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 19:26:54,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:26:54,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2019-12-01 19:26:54,186 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2019-12-01 19:26:54,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-01 19:26:54,188 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:26:54,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:26:54,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 19:26:54,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:26:54,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2019-12-01 19:26:54,317 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2019-12-01 19:26:54,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-01 19:26:54,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:26:54,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:26:54,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 19:26:54,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:26:54,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2019-12-01 19:26:54,446 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2019-12-01 19:26:54,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-01 19:26:54,446 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:26:54,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:26:54,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 19:26:54,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:26:54,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2019-12-01 19:26:54,670 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2019-12-01 19:26:54,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-01 19:26:54,670 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:26:54,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:26:54,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 19:26:54,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:26:54,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2019-12-01 19:26:54,952 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2019-12-01 19:26:54,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-01 19:26:54,953 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 19:26:54,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 19:26:55,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 19:26:55,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 19:26:55,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2019-12-01 19:26:55,732 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2019-12-01 19:26:55,732 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 19:26:55,732 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2019-12-01 19:26:55,738 INFO L765 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2019-12-01 19:26:55,777 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 19:26:55,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 07:26:55 ImpRootNode [2019-12-01 19:26:55,781 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 19:26:55,781 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 19:26:55,781 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 19:26:55,781 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 19:26:55,782 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:26:54" (3/4) ... [2019-12-01 19:26:55,784 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 19:26:55,791 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-12-01 19:26:55,791 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 19:26:55,791 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 19:26:55,825 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8909573f-2b85-4d21-847f-d79e30eb7b52/bin/ukojak/witness.graphml [2019-12-01 19:26:55,825 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 19:26:55,827 INFO L168 Benchmark]: Toolchain (without parser) took 2378.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 934.0 MB in the beginning and 994.9 MB in the end (delta: -60.9 MB). Peak memory consumption was 43.4 MB. Max. memory is 11.5 GB. [2019-12-01 19:26:55,827 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 19:26:55,828 INFO L168 Benchmark]: CACSL2BoogieTranslator took 414.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -131.5 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-12-01 19:26:55,828 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.17 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. [2019-12-01 19:26:55,828 INFO L168 Benchmark]: Boogie Preprocessor took 16.47 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. [2019-12-01 19:26:55,829 INFO L168 Benchmark]: RCFGBuilder took 233.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. [2019-12-01 19:26:55,829 INFO L168 Benchmark]: CodeCheck took 1631.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 996.7 MB in the end (delta: 41.6 MB). Peak memory consumption was 41.6 MB. Max. memory is 11.5 GB. [2019-12-01 19:26:55,830 INFO L168 Benchmark]: Witness Printer took 44.23 ms. Allocated memory is still 1.1 GB. Free memory was 996.7 MB in the beginning and 994.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-12-01 19:26:55,832 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, 12 locations, 4 error locations. Result: SAFE, OverallTime: 1.5s, OverallIterations: 6, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 32 SDtfs, 138 SDslu, 32 SDs, 0 SdLazy, 484 SolverSat, 214 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 172 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1159 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 720 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 - PositiveResult [Line: 769]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 762]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 762]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 762]: free always succeeds For all program executions holds that free always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 4 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 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 414.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -131.5 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.17 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 16.47 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 233.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 11.5 GB. * CodeCheck took 1631.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 996.7 MB in the end (delta: 41.6 MB). Peak memory consumption was 41.6 MB. Max. memory is 11.5 GB. * Witness Printer took 44.23 ms. Allocated memory is still 1.1 GB. Free memory was 996.7 MB in the beginning and 994.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...