./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-crafted/easy1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 678e0110 Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ae90f446-5ab6-47c7-bf17-296aad6a5e4e/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ae90f446-5ab6-47c7-bf17-296aad6a5e4e/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ae90f446-5ab6-47c7-bf17-296aad6a5e4e/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ae90f446-5ab6-47c7-bf17-296aad6a5e4e/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-crafted/easy1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ae90f446-5ab6-47c7-bf17-296aad6a5e4e/bin/ukojak/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ae90f446-5ab6-47c7-bf17-296aad6a5e4e/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 64bit --witnessprinter.graph.data.programhash 444b5d8373157a5e55f28060b712b2ca462d0fa9 ............................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- Skipped default analysis because property is memsafety ### Bit-precise run ### This is Ultimate 0.1.24-678e011 [2019-11-20 04:31:26,479 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 04:31:26,481 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 04:31:26,490 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 04:31:26,491 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 04:31:26,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 04:31:26,493 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 04:31:26,495 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 04:31:26,497 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 04:31:26,498 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 04:31:26,499 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 04:31:26,500 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 04:31:26,500 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 04:31:26,501 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 04:31:26,502 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 04:31:26,503 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 04:31:26,504 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 04:31:26,505 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 04:31:26,507 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 04:31:26,509 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 04:31:26,510 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 04:31:26,514 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 04:31:26,517 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 04:31:26,519 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 04:31:26,522 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 04:31:26,525 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 04:31:26,526 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 04:31:26,527 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 04:31:26,528 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 04:31:26,529 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 04:31:26,531 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 04:31:26,531 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 04:31:26,532 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 04:31:26,533 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 04:31:26,534 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 04:31:26,536 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 04:31:26,537 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 04:31:26,537 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 04:31:26,537 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 04:31:26,538 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 04:31:26,539 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 04:31:26,540 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ae90f446-5ab6-47c7-bf17-296aad6a5e4e/bin/ukojak/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Bitvector.epf [2019-11-20 04:31:26,559 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 04:31:26,559 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 04:31:26,561 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 04:31:26,561 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 04:31:26,561 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 04:31:26,562 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 04:31:26,562 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 04:31:26,562 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 04:31:26,562 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-20 04:31:26,562 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-20 04:31:26,563 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-20 04:31:26,564 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 04:31:26,564 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 04:31:26,564 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 04:31:26,564 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 04:31:26,564 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 04:31:26,565 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 04:31:26,565 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 04:31:26,565 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 04:31:26,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 04:31:26,566 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 04:31:26,566 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 04:31:26,566 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-11-20 04:31:26,566 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 04:31:26,567 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2019-11-20 04:31:26,567 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 04:31:26,567 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_ae90f446-5ab6-47c7-bf17-296aad6a5e4e/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 444b5d8373157a5e55f28060b712b2ca462d0fa9 [2019-11-20 04:31:26,767 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 04:31:26,778 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 04:31:26,781 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 04:31:26,782 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 04:31:26,783 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 04:31:26,784 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ae90f446-5ab6-47c7-bf17-296aad6a5e4e/bin/ukojak/../../sv-benchmarks/c/termination-crafted/easy1.c [2019-11-20 04:31:26,844 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ae90f446-5ab6-47c7-bf17-296aad6a5e4e/bin/ukojak/data/c65a55dec/e74aaf6359df4bccaff8601959b5db83/FLAG523f1b4f0 [2019-11-20 04:31:27,274 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 04:31:27,274 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ae90f446-5ab6-47c7-bf17-296aad6a5e4e/sv-benchmarks/c/termination-crafted/easy1.c [2019-11-20 04:31:27,280 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ae90f446-5ab6-47c7-bf17-296aad6a5e4e/bin/ukojak/data/c65a55dec/e74aaf6359df4bccaff8601959b5db83/FLAG523f1b4f0 [2019-11-20 04:31:27,695 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ae90f446-5ab6-47c7-bf17-296aad6a5e4e/bin/ukojak/data/c65a55dec/e74aaf6359df4bccaff8601959b5db83 [2019-11-20 04:31:27,698 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 04:31:27,699 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 04:31:27,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 04:31:27,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 04:31:27,704 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 04:31:27,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:31:27" (1/1) ... [2019-11-20 04:31:27,708 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ca737a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:27, skipping insertion in model container [2019-11-20 04:31:27,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:31:27" (1/1) ... [2019-11-20 04:31:27,715 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 04:31:27,733 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 04:31:27,880 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:31:27,885 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 04:31:27,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 04:31:27,979 INFO L192 MainTranslator]: Completed translation [2019-11-20 04:31:27,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:27 WrapperNode [2019-11-20 04:31:27,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 04:31:27,981 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 04:31:27,981 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 04:31:27,981 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 04:31:27,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:27" (1/1) ... [2019-11-20 04:31:27,995 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:27" (1/1) ... [2019-11-20 04:31:28,010 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 04:31:28,010 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 04:31:28,010 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 04:31:28,010 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 04:31:28,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:27" (1/1) ... [2019-11-20 04:31:28,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:27" (1/1) ... [2019-11-20 04:31:28,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:27" (1/1) ... [2019-11-20 04:31:28,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:27" (1/1) ... [2019-11-20 04:31:28,025 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:27" (1/1) ... [2019-11-20 04:31:28,028 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:27" (1/1) ... [2019-11-20 04:31:28,029 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:27" (1/1) ... [2019-11-20 04:31:28,031 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 04:31:28,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 04:31:28,032 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 04:31:28,032 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 04:31:28,033 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:31:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ae90f446-5ab6-47c7-bf17-296aad6a5e4e/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 [2019-11-20 04:31:28,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 04:31:28,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 04:31:28,319 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 04:31:28,319 INFO L285 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-20 04:31:28,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:31:28 BoogieIcfgContainer [2019-11-20 04:31:28,321 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 04:31:28,321 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 04:31:28,321 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 04:31:28,333 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 04:31:28,333 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:31:28" (1/1) ... [2019-11-20 04:31:28,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 04:31:28,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 04:31:28,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3 transitions. [2019-11-20 04:31:28,378 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states and 3 transitions. [2019-11-20 04:31:28,380 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 04:31:28,381 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 1 iterations. [2019-11-20 04:31:28,389 INFO L765 CodeCheckObserver]: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. [2019-11-20 04:31:28,402 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 04:31:28,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:31:28 ImpRootNode [2019-11-20 04:31:28,405 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 04:31:28,406 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 04:31:28,406 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 04:31:28,406 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 04:31:28,407 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:31:28" (3/4) ... [2019-11-20 04:31:28,410 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 04:31:28,420 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-20 04:31:28,420 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-20 04:31:28,421 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 04:31:28,465 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ae90f446-5ab6-47c7-bf17-296aad6a5e4e/bin/ukojak/witness.graphml [2019-11-20 04:31:28,465 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 04:31:28,468 INFO L168 Benchmark]: Toolchain (without parser) took 767.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 184.5 MB). Free memory was 948.7 MB in the beginning and 1.2 GB in the end (delta: -201.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:31:28,468 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:31:28,469 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 184.5 MB). Free memory was 948.7 MB in the beginning and 1.2 GB in the end (delta: -230.7 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-20 04:31:28,469 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.24 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:31:28,470 INFO L168 Benchmark]: Boogie Preprocessor took 21.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 04:31:28,471 INFO L168 Benchmark]: RCFGBuilder took 289.26 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: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-11-20 04:31:28,471 INFO L168 Benchmark]: CodeCheck took 84.28 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 04:31:28,472 INFO L168 Benchmark]: Witness Printer took 59.80 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 04:31:28,476 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, 3 locations, 0 error locations. Result: SAFE, OverallTime: 0.0s, OverallIterations: 1, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: No data available, 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 - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 279.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 184.5 MB). Free memory was 948.7 MB in the beginning and 1.2 GB in the end (delta: -230.7 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.24 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 289.26 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: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * CodeCheck took 84.28 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Witness Printer took 59.80 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...