./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16.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_87d2f51f-99e0-40d9-9d99-1f92e0463a14/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_87d2f51f-99e0-40d9-9d99-1f92e0463a14/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_87d2f51f-99e0-40d9-9d99-1f92e0463a14/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_87d2f51f-99e0-40d9-9d99-1f92e0463a14/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16.i -s /tmp/vcloud-vcloud-master/worker/run_dir_87d2f51f-99e0-40d9-9d99-1f92e0463a14/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_87d2f51f-99e0-40d9-9d99-1f92e0463a14/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 fa0c2a1ec4e9d87c009cc3e8aa4349638d4af33a ............................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-02 01:52:27,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-02 01:52:27,409 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-02 01:52:27,418 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-02 01:52:27,418 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-02 01:52:27,419 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-02 01:52:27,420 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-02 01:52:27,421 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-02 01:52:27,423 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-02 01:52:27,424 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-02 01:52:27,424 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-02 01:52:27,425 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-02 01:52:27,426 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-02 01:52:27,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-02 01:52:27,427 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-02 01:52:27,429 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-02 01:52:27,429 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-02 01:52:27,430 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-02 01:52:27,432 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-02 01:52:27,434 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-02 01:52:27,435 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-02 01:52:27,436 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-02 01:52:27,437 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-02 01:52:27,437 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-02 01:52:27,440 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-02 01:52:27,440 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-02 01:52:27,440 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-02 01:52:27,441 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-02 01:52:27,441 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-02 01:52:27,442 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-02 01:52:27,442 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-02 01:52:27,442 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-02 01:52:27,443 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-02 01:52:27,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-02 01:52:27,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-02 01:52:27,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-02 01:52:27,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-02 01:52:27,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-02 01:52:27,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-02 01:52:27,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-02 01:52:27,447 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-02 01:52:27,447 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_87d2f51f-99e0-40d9-9d99-1f92e0463a14/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2019-12-02 01:52:27,458 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-02 01:52:27,459 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-02 01:52:27,459 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-02 01:52:27,460 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-02 01:52:27,460 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-02 01:52:27,460 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-02 01:52:27,460 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-02 01:52:27,460 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-02 01:52:27,460 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-02 01:52:27,460 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-02 01:52:27,461 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-02 01:52:27,461 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-02 01:52:27,461 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-02 01:52:27,461 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-02 01:52:27,461 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-02 01:52:27,461 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-02 01:52:27,462 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-02 01:52:27,462 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-02 01:52:27,462 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-02 01:52:27,462 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-02 01:52:27,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-02 01:52:27,462 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-02 01:52:27,462 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-02 01:52:27,462 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-02 01:52:27,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-02 01:52:27,463 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_87d2f51f-99e0-40d9-9d99-1f92e0463a14/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 -> fa0c2a1ec4e9d87c009cc3e8aa4349638d4af33a [2019-12-02 01:52:27,570 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-02 01:52:27,578 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-02 01:52:27,581 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-02 01:52:27,582 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-02 01:52:27,582 INFO L275 PluginConnector]: CDTParser initialized [2019-12-02 01:52:27,583 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_87d2f51f-99e0-40d9-9d99-1f92e0463a14/bin/ukojak/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2019-12-02 01:52:27,627 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_87d2f51f-99e0-40d9-9d99-1f92e0463a14/bin/ukojak/data/c1006a67b/52a47c467d904c0aa8c1985fcc4a4ebd/FLAG41af73d9a [2019-12-02 01:52:28,043 INFO L306 CDTParser]: Found 1 translation units. [2019-12-02 01:52:28,044 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_87d2f51f-99e0-40d9-9d99-1f92e0463a14/sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2019-12-02 01:52:28,054 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_87d2f51f-99e0-40d9-9d99-1f92e0463a14/bin/ukojak/data/c1006a67b/52a47c467d904c0aa8c1985fcc4a4ebd/FLAG41af73d9a [2019-12-02 01:52:28,419 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_87d2f51f-99e0-40d9-9d99-1f92e0463a14/bin/ukojak/data/c1006a67b/52a47c467d904c0aa8c1985fcc4a4ebd [2019-12-02 01:52:28,421 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-02 01:52:28,422 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-02 01:52:28,423 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-02 01:52:28,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-02 01:52:28,425 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-02 01:52:28,425 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:52:28" (1/1) ... [2019-12-02 01:52:28,427 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5acb3a69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:52:28, skipping insertion in model container [2019-12-02 01:52:28,427 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:52:28" (1/1) ... [2019-12-02 01:52:28,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-02 01:52:28,460 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-02 01:52:28,732 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 01:52:28,745 INFO L203 MainTranslator]: Completed pre-run [2019-12-02 01:52:28,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 01:52:28,832 INFO L208 MainTranslator]: Completed translation [2019-12-02 01:52:28,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:52:28 WrapperNode [2019-12-02 01:52:28,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-02 01:52:28,833 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-02 01:52:28,833 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-02 01:52:28,833 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-02 01:52:28,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:52:28" (1/1) ... [2019-12-02 01:52:28,854 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:52:28" (1/1) ... [2019-12-02 01:52:28,868 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-02 01:52:28,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-02 01:52:28,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-02 01:52:28,869 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-02 01:52:28,875 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:52:28" (1/1) ... [2019-12-02 01:52:28,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:52:28" (1/1) ... [2019-12-02 01:52:28,877 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:52:28" (1/1) ... [2019-12-02 01:52:28,877 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:52:28" (1/1) ... [2019-12-02 01:52:28,881 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:52:28" (1/1) ... [2019-12-02 01:52:28,882 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:52:28" (1/1) ... [2019-12-02 01:52:28,883 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:52:28" (1/1) ... [2019-12-02 01:52:28,885 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-02 01:52:28,885 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-02 01:52:28,885 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-02 01:52:28,885 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-02 01:52:28,886 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:52:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_87d2f51f-99e0-40d9-9d99-1f92e0463a14/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 [2019-12-02 01:52:28,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-02 01:52:28,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-02 01:52:28,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-02 01:52:28,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-02 01:52:28,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-02 01:52:28,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-02 01:52:29,164 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-02 01:52:29,164 INFO L287 CfgBuilder]: Removed 12 assume(true) statements. [2019-12-02 01:52:29,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:52:29 BoogieIcfgContainer [2019-12-02 01:52:29,165 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-02 01:52:29,165 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-02 01:52:29,165 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-02 01:52:29,172 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-02 01:52:29,172 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:52:29" (1/1) ... [2019-12-02 01:52:29,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-02 01:52:29,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:52:29,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2019-12-02 01:52:29,201 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2019-12-02 01:52:29,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-02 01:52:29,203 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:52:29,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:52:29,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:52:29,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:52:29,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2019-12-02 01:52:29,343 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2019-12-02 01:52:29,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-02 01:52:29,344 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:52:29,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:52:29,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:52:29,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:52:29,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2019-12-02 01:52:29,469 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2019-12-02 01:52:29,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-02 01:52:29,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:52:29,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:52:29,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:52:29,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:52:29,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2019-12-02 01:52:29,658 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2019-12-02 01:52:29,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-02 01:52:29,658 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:52:29,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:52:29,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:52:29,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:52:29,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2019-12-02 01:52:29,957 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2019-12-02 01:52:29,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-02 01:52:29,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 01:52:29,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 01:52:30,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 01:52:30,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 01:52:30,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2019-12-02 01:52:30,616 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2019-12-02 01:52:30,616 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-02 01:52:30,616 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2019-12-02 01:52:30,623 INFO L765 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2019-12-02 01:52:30,655 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 01:52:30,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 01:52:30 ImpRootNode [2019-12-02 01:52:30,658 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-02 01:52:30,658 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-02 01:52:30,659 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-02 01:52:30,659 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-02 01:52:30,659 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:52:29" (3/4) ... [2019-12-02 01:52:30,661 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-02 01:52:30,668 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2019-12-02 01:52:30,668 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-02 01:52:30,668 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-02 01:52:30,700 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_87d2f51f-99e0-40d9-9d99-1f92e0463a14/bin/ukojak/witness.graphml [2019-12-02 01:52:30,700 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-02 01:52:30,702 INFO L168 Benchmark]: Toolchain (without parser) took 2279.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 935.5 MB in the beginning and 1.0 GB in the end (delta: -106.5 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2019-12-02 01:52:30,702 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 956.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 01:52:30,703 INFO L168 Benchmark]: CACSL2BoogieTranslator took 410.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -156.0 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-12-02 01:52:30,703 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.08 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. [2019-12-02 01:52:30,704 INFO L168 Benchmark]: Boogie Preprocessor took 16.31 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. [2019-12-02 01:52:30,704 INFO L168 Benchmark]: RCFGBuilder took 279.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 39.1 MB). Peak memory consumption was 39.1 MB. Max. memory is 11.5 GB. [2019-12-02 01:52:30,704 INFO L168 Benchmark]: CodeCheck took 1493.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2019-12-02 01:52:30,705 INFO L168 Benchmark]: Witness Printer took 42.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-12-02 01:52:30,707 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, 4 error locations. Result: SAFE, OverallTime: 1.4s, OverallIterations: 6, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 64 SDtfs, 114 SDslu, 64 SDs, 0 SdLazy, 416 SolverSat, 178 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 159 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1105 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 593 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: 777]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 769]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 769]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 769]: 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 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 956.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 410.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -156.0 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.08 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. * Boogie Preprocessor took 16.31 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 279.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 39.1 MB). Peak memory consumption was 39.1 MB. Max. memory is 11.5 GB. * CodeCheck took 1493.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Witness Printer took 42.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB 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...