./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 cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_25438768-e2c3-4546-add0-f83c44876721/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_25438768-e2c3-4546-add0-f83c44876721/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_25438768-e2c3-4546-add0-f83c44876721/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_25438768-e2c3-4546-add0-f83c44876721/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8.i -s /tmp/vcloud-vcloud-master/worker/working_dir_25438768-e2c3-4546-add0-f83c44876721/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_25438768-e2c3-4546-add0-f83c44876721/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 1d89c445fb84f685368054c8df68afcdc64e8108 ............................................................................................................................................................................................................................................. 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 10:17:24,104 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:17:24,106 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:17:24,114 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:17:24,114 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:17:24,115 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:17:24,116 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:17:24,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:17:24,118 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:17:24,119 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:17:24,119 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:17:24,120 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:17:24,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:17:24,121 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:17:24,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:17:24,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:17:24,123 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:17:24,124 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:17:24,126 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:17:24,130 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:17:24,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:17:24,132 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:17:24,133 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:17:24,134 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:17:24,136 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:17:24,142 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:17:24,142 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:17:24,143 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:17:24,144 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:17:24,145 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:17:24,145 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:17:24,145 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:17:24,146 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:17:24,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:17:24,147 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:17:24,148 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:17:24,148 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:17:24,148 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:17:24,149 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:17:24,150 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:17:24,150 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:17:24,151 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_25438768-e2c3-4546-add0-f83c44876721/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2019-10-22 10:17:24,162 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:17:24,162 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:17:24,163 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:17:24,164 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:17:24,164 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:17:24,164 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:17:24,164 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 10:17:24,164 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:17:24,164 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:17:24,164 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:17:24,165 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 10:17:24,165 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 10:17:24,165 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 10:17:24,165 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:17:24,165 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:17:24,165 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:17:24,166 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:17:24,166 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:17:24,166 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:17:24,166 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:17:24,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:17:24,166 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:17:24,167 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:17:24,167 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:17:24,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:17:24,167 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_25438768-e2c3-4546-add0-f83c44876721/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 -> 1d89c445fb84f685368054c8df68afcdc64e8108 [2019-10-22 10:17:24,198 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:17:24,210 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:17:24,215 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:17:24,216 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:17:24,216 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:17:24,217 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_25438768-e2c3-4546-add0-f83c44876721/bin/ukojak/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8.i [2019-10-22 10:17:24,273 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_25438768-e2c3-4546-add0-f83c44876721/bin/ukojak/data/a361b6cc9/d1ceaf0c0e214c0694eb4ceb10be1f45/FLAG6139534bd [2019-10-22 10:17:24,730 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:17:24,731 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_25438768-e2c3-4546-add0-f83c44876721/sv-benchmarks/c/ldv-memsafety/memleaks_test8.i [2019-10-22 10:17:24,746 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_25438768-e2c3-4546-add0-f83c44876721/bin/ukojak/data/a361b6cc9/d1ceaf0c0e214c0694eb4ceb10be1f45/FLAG6139534bd [2019-10-22 10:17:24,764 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_25438768-e2c3-4546-add0-f83c44876721/bin/ukojak/data/a361b6cc9/d1ceaf0c0e214c0694eb4ceb10be1f45 [2019-10-22 10:17:24,767 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:17:24,768 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:17:24,769 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:17:24,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:17:24,772 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:17:24,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:17:24" (1/1) ... [2019-10-22 10:17:24,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@699e56c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:24, skipping insertion in model container [2019-10-22 10:17:24,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:17:24" (1/1) ... [2019-10-22 10:17:24,787 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:17:24,834 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:17:25,240 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:17:25,257 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:17:25,312 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:17:25,381 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:17:25,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:25 WrapperNode [2019-10-22 10:17:25,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:17:25,383 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:17:25,383 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:17:25,383 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:17:25,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:25" (1/1) ... [2019-10-22 10:17:25,409 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:25" (1/1) ... [2019-10-22 10:17:25,426 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:17:25,426 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:17:25,426 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:17:25,427 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:17:25,435 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:25" (1/1) ... [2019-10-22 10:17:25,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:25" (1/1) ... [2019-10-22 10:17:25,437 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:25" (1/1) ... [2019-10-22 10:17:25,438 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:25" (1/1) ... [2019-10-22 10:17:25,443 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:25" (1/1) ... [2019-10-22 10:17:25,444 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:25" (1/1) ... [2019-10-22 10:17:25,445 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:25" (1/1) ... [2019-10-22 10:17:25,447 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:17:25,447 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:17:25,447 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:17:25,448 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:17:25,448 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:17:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_25438768-e2c3-4546-add0-f83c44876721/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 10:17:25,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 10:17:25,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:17:25,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 10:17:25,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-22 10:17:25,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:17:25,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:17:25,750 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:17:25,750 INFO L284 CfgBuilder]: Removed 12 assume(true) statements. [2019-10-22 10:17:25,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:17:25 BoogieIcfgContainer [2019-10-22 10:17:25,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:17:25,752 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:17:25,752 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:17:25,762 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:17:25,762 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:17:25" (1/1) ... [2019-10-22 10:17:25,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:17:25,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:25,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2019-10-22 10:17:25,799 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2019-10-22 10:17:25,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 10:17:25,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:25,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:25,937 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 10:17:25,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:25,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2019-10-22 10:17:25,969 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2019-10-22 10:17:25,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-10-22 10:17:25,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:25,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:26,016 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 10:17:26,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:26,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2019-10-22 10:17:26,132 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2019-10-22 10:17:26,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-10-22 10:17:26,132 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:26,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:26,246 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 10:17:26,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:26,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2019-10-22 10:17:26,535 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2019-10-22 10:17:26,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 10:17:26,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:26,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:26,598 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 10:17:26,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:26,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2019-10-22 10:17:26,945 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2019-10-22 10:17:26,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 10:17:26,946 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:17:26,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:17:27,180 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 10:17:27,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:17:27,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2019-10-22 10:17:27,901 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2019-10-22 10:17:27,901 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 10:17:27,901 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2019-10-22 10:17:27,909 INFO L771 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2019-10-22 10:17:27,948 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:17:27,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:17:27 ImpRootNode [2019-10-22 10:17:27,951 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:17:27,951 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:17:27,951 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:17:27,952 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:17:27,952 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:17:25" (3/4) ... [2019-10-22 10:17:27,955 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 10:17:27,963 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 10:17:27,963 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-10-22 10:17:27,963 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 10:17:27,999 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_25438768-e2c3-4546-add0-f83c44876721/bin/ukojak/witness.graphml [2019-10-22 10:17:27,999 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:17:28,001 INFO L168 Benchmark]: Toolchain (without parser) took 3232.19 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 242.7 MB). Free memory was 939.1 MB in the beginning and 1.2 GB in the end (delta: -272.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:17:28,001 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:17:28,002 INFO L168 Benchmark]: CACSL2BoogieTranslator took 613.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 181.9 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -199.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:28,002 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.60 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. [2019-10-22 10:17:28,002 INFO L168 Benchmark]: Boogie Preprocessor took 20.76 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. [2019-10-22 10:17:28,003 INFO L168 Benchmark]: RCFGBuilder took 304.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:28,003 INFO L168 Benchmark]: CodeCheck took 2199.37 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 60.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -103.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:17:28,003 INFO L168 Benchmark]: Witness Printer took 47.58 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 11.5 GB. [2019-10-22 10:17:28,005 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: 2.1s, 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, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 172 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1159 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 528 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: 770]: 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 - 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 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 613.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 181.9 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -199.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.76 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 304.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * CodeCheck took 2199.37 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 60.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -103.1 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 47.58 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...