./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f9dbbce7-92bf-49de-bd17-b0bf321b4ee8/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f9dbbce7-92bf-49de-bd17-b0bf321b4ee8/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f9dbbce7-92bf-49de-bd17-b0bf321b4ee8/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f9dbbce7-92bf-49de-bd17-b0bf321b4ee8/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f9dbbce7-92bf-49de-bd17-b0bf321b4ee8/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f9dbbce7-92bf-49de-bd17-b0bf321b4ee8/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 c58b8bb1c431fc65db9a6b9db641f8c92b59fe24 ............................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 10:16:47,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:16:47,500 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:16:47,511 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:16:47,512 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:16:47,513 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:16:47,515 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:16:47,516 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:16:47,519 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:16:47,520 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:16:47,521 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:16:47,523 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:16:47,528 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:16:47,530 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:16:47,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:16:47,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:16:47,532 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:16:47,533 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:16:47,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:16:47,537 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:16:47,538 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:16:47,539 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:16:47,540 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:16:47,540 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:16:47,542 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:16:47,544 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:16:47,544 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:16:47,545 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:16:47,546 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:16:47,547 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:16:47,548 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:16:47,549 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:16:47,549 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:16:47,550 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:16:47,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:16:47,552 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:16:47,553 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:16:47,553 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:16:47,553 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:16:47,554 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:16:47,554 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:16:47,555 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f9dbbce7-92bf-49de-bd17-b0bf321b4ee8/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2019-10-22 10:16:47,566 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:16:47,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:16:47,568 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:16:47,568 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:16:47,568 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:16:47,568 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:16:47,568 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 10:16:47,568 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:16:47,569 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:16:47,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:16:47,569 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 10:16:47,569 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 10:16:47,569 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 10:16:47,569 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:16:47,570 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:16:47,570 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:16:47,570 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:16:47,570 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:16:47,570 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:16:47,571 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:16:47,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:16:47,571 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:16:47,571 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:16:47,572 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:16:47,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:16:47,572 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_f9dbbce7-92bf-49de-bd17-b0bf321b4ee8/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 -> c58b8bb1c431fc65db9a6b9db641f8c92b59fe24 [2019-10-22 10:16:47,595 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:16:47,604 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:16:47,607 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:16:47,608 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:16:47,608 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:16:47,609 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f9dbbce7-92bf-49de-bd17-b0bf321b4ee8/bin/ukojak/../../sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i [2019-10-22 10:16:47,657 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f9dbbce7-92bf-49de-bd17-b0bf321b4ee8/bin/ukojak/data/322b1fb3e/0fb7d327a265498fb06ab1445b638515/FLAGc321d3c7f [2019-10-22 10:16:48,109 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:16:48,110 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f9dbbce7-92bf-49de-bd17-b0bf321b4ee8/sv-benchmarks/c/ldv-memsafety/memleaks_test3-2.i [2019-10-22 10:16:48,123 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f9dbbce7-92bf-49de-bd17-b0bf321b4ee8/bin/ukojak/data/322b1fb3e/0fb7d327a265498fb06ab1445b638515/FLAGc321d3c7f [2019-10-22 10:16:48,435 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f9dbbce7-92bf-49de-bd17-b0bf321b4ee8/bin/ukojak/data/322b1fb3e/0fb7d327a265498fb06ab1445b638515 [2019-10-22 10:16:48,437 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:16:48,438 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:16:48,441 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:16:48,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:16:48,444 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:16:48,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:16:48" (1/1) ... [2019-10-22 10:16:48,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16cc6a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:48, skipping insertion in model container [2019-10-22 10:16:48,448 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:16:48" (1/1) ... [2019-10-22 10:16:48,454 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:16:48,489 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:16:48,866 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:16:48,885 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:16:48,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:16:49,037 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:16:49,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:49 WrapperNode [2019-10-22 10:16:49,037 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:16:49,038 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:16:49,038 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:16:49,038 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:16:49,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:49" (1/1) ... [2019-10-22 10:16:49,065 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:49" (1/1) ... [2019-10-22 10:16:49,094 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:16:49,094 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:16:49,095 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:16:49,095 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:16:49,104 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:49" (1/1) ... [2019-10-22 10:16:49,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:49" (1/1) ... [2019-10-22 10:16:49,107 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:49" (1/1) ... [2019-10-22 10:16:49,107 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:49" (1/1) ... [2019-10-22 10:16:49,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:49" (1/1) ... [2019-10-22 10:16:49,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:49" (1/1) ... [2019-10-22 10:16:49,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:49" (1/1) ... [2019-10-22 10:16:49,128 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:16:49,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:16:49,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:16:49,134 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:16:49,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f9dbbce7-92bf-49de-bd17-b0bf321b4ee8/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:16:49,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 10:16:49,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:16:49,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 10:16:49,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-22 10:16:49,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:16:49,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:16:49,527 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:16:49,527 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-22 10:16:49,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:16:49 BoogieIcfgContainer [2019-10-22 10:16:49,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:16:49,528 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:16:49,529 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:16:49,539 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:16:49,539 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:16:49" (1/1) ... [2019-10-22 10:16:49,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:16:49,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:49,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2019-10-22 10:16:49,580 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2019-10-22 10:16:49,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 10:16:49,582 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:49,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:49,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:49,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2019-10-22 10:16:49,823 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2019-10-22 10:16:49,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 10:16:49,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:49,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:49,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:50,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:50,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2019-10-22 10:16:50,029 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2019-10-22 10:16:50,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-10-22 10:16:50,029 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:50,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:50,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:50,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:50,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2019-10-22 10:16:50,365 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2019-10-22 10:16:50,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 10:16:50,365 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:50,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:50,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:50,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:50,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2019-10-22 10:16:50,745 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2019-10-22 10:16:50,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 10:16:50,745 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:50,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:51,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:51,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:51,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2019-10-22 10:16:51,833 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2019-10-22 10:16:51,833 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 10:16:51,834 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2019-10-22 10:16:51,841 INFO L771 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2019-10-22 10:16:51,903 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:16:51,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:16:51 ImpRootNode [2019-10-22 10:16:51,907 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:16:51,907 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:16:51,907 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:16:51,907 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:16:51,908 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:16:49" (3/4) ... [2019-10-22 10:16:51,911 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 10:16:51,922 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 10:16:51,924 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-10-22 10:16:51,925 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 10:16:51,970 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f9dbbce7-92bf-49de-bd17-b0bf321b4ee8/bin/ukojak/witness.graphml [2019-10-22 10:16:51,970 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:16:51,972 INFO L168 Benchmark]: Toolchain (without parser) took 3533.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 192.9 MB). Free memory was 939.1 MB in the beginning and 1.2 GB in the end (delta: -211.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:16:51,973 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:16:51,973 INFO L168 Benchmark]: CACSL2BoogieTranslator took 596.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -136.4 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-10-22 10:16:51,974 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-10-22 10:16:51,974 INFO L168 Benchmark]: Boogie Preprocessor took 39.38 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:16:51,974 INFO L168 Benchmark]: RCFGBuilder took 394.01 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: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. [2019-10-22 10:16:51,975 INFO L168 Benchmark]: CodeCheck took 2378.37 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 78.6 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -114.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:16:51,975 INFO L168 Benchmark]: Witness Printer took 63.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 11.5 GB. [2019-10-22 10:16:51,978 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: 2.2s, OverallIterations: 6, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 106 SDslu, 0 SDs, 0 SdLazy, 516 SolverSat, 214 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 161 GetRequests, 104 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1153 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 630 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: 763]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 765]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 763]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 763]: 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 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 596.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -136.4 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.53 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.38 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 394.01 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: 28.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. * CodeCheck took 2378.37 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 78.6 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -114.1 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 63.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...