./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/StructInitialization.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_22f428e0-641a-4887-82a7-b9a45217e692/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_22f428e0-641a-4887-82a7-b9a45217e692/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_22f428e0-641a-4887-82a7-b9a45217e692/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_22f428e0-641a-4887-82a7-b9a45217e692/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/StructInitialization.c -s /tmp/vcloud-vcloud-master/worker/run_dir_22f428e0-641a-4887-82a7-b9a45217e692/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_22f428e0-641a-4887-82a7-b9a45217e692/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 09aab7ee021274328a236afeda27749aba561ee0 ............................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:37:55,166 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:37:55,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:37:55,239 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:37:55,239 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:37:55,247 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:37:55,251 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:37:55,255 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:37:55,258 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:37:55,264 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:37:55,265 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:37:55,267 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:37:55,267 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:37:55,271 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:37:55,272 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:37:55,275 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:37:55,276 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:37:55,278 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:37:55,283 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:37:55,292 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:37:55,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:37:55,295 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:37:55,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:37:55,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:37:55,307 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:37:55,308 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:37:55,308 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:37:55,310 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:37:55,311 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:37:55,312 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:37:55,312 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:37:55,314 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:37:55,316 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:37:55,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:37:55,318 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:37:55,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:37:55,319 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:37:55,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:37:55,320 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:37:55,322 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:37:55,323 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:37:55,325 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_22f428e0-641a-4887-82a7-b9a45217e692/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2020-11-28 04:37:55,369 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:37:55,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:37:55,371 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:37:55,371 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:37:55,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:37:55,372 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:37:55,372 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 04:37:55,372 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:37:55,372 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:37:55,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:37:55,373 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 04:37:55,374 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 04:37:55,374 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 04:37:55,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:37:55,374 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:37:55,374 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:37:55,375 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:37:55,375 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:37:55,375 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:37:55,375 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:37:55,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:37:55,376 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:37:55,376 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:37:55,376 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:37:55,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:37:55,376 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_22f428e0-641a-4887-82a7-b9a45217e692/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_22f428e0-641a-4887-82a7-b9a45217e692/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 09aab7ee021274328a236afeda27749aba561ee0 [2020-11-28 04:37:55,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:37:55,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:37:55,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:37:55,727 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:37:55,728 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:37:55,730 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_22f428e0-641a-4887-82a7-b9a45217e692/bin/ukojak/../../sv-benchmarks/c/ldv-memsafety/StructInitialization.c [2020-11-28 04:37:55,830 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_22f428e0-641a-4887-82a7-b9a45217e692/bin/ukojak/data/466518d7d/64314e1f03c944fcbeb2ac1de89ecd00/FLAGf8980fe80 [2020-11-28 04:37:56,301 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:37:56,301 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_22f428e0-641a-4887-82a7-b9a45217e692/sv-benchmarks/c/ldv-memsafety/StructInitialization.c [2020-11-28 04:37:56,315 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_22f428e0-641a-4887-82a7-b9a45217e692/bin/ukojak/data/466518d7d/64314e1f03c944fcbeb2ac1de89ecd00/FLAGf8980fe80 [2020-11-28 04:37:56,704 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_22f428e0-641a-4887-82a7-b9a45217e692/bin/ukojak/data/466518d7d/64314e1f03c944fcbeb2ac1de89ecd00 [2020-11-28 04:37:56,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:37:56,708 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:37:56,712 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:37:56,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:37:56,715 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:37:56,716 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:37:56" (1/1) ... [2020-11-28 04:37:56,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6daf20e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:56, skipping insertion in model container [2020-11-28 04:37:56,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:37:56" (1/1) ... [2020-11-28 04:37:56,726 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:37:56,748 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:37:56,912 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:37:56,955 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:37:56,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:37:57,018 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:37:57,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:57 WrapperNode [2020-11-28 04:37:57,019 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:37:57,021 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:37:57,022 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:37:57,022 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:37:57,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:57" (1/1) ... [2020-11-28 04:37:57,043 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:57" (1/1) ... [2020-11-28 04:37:57,064 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:37:57,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:37:57,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:37:57,066 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:37:57,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:57" (1/1) ... [2020-11-28 04:37:57,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:57" (1/1) ... [2020-11-28 04:37:57,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:57" (1/1) ... [2020-11-28 04:37:57,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:57" (1/1) ... [2020-11-28 04:37:57,101 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:57" (1/1) ... [2020-11-28 04:37:57,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:57" (1/1) ... [2020-11-28 04:37:57,108 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:57" (1/1) ... [2020-11-28 04:37:57,110 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:37:57,116 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:37:57,116 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:37:57,117 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:37:57,117 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:37:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_22f428e0-641a-4887-82a7-b9a45217e692/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 [2020-11-28 04:37:57,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:37:57,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:37:57,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:37:57,490 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:37:57,490 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-11-28 04:37:57,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:37:57 BoogieIcfgContainer [2020-11-28 04:37:57,492 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:37:57,508 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:37:57,508 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:37:57,519 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:37:57,519 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:37:57" (1/1) ... [2020-11-28 04:37:57,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:37:57,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:57,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2020-11-28 04:37:57,623 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2020-11-28 04:37:57,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2020-11-28 04:37:57,625 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:37:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:37:57,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:37:57,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:37:57,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 3 states and 2 transitions. [2020-11-28 04:37:57,858 INFO L276 IsEmpty]: Start isEmpty. Operand 3 states and 2 transitions. [2020-11-28 04:37:57,858 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:37:57,858 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2020-11-28 04:37:57,865 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-28 04:37:57,873 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-28 04:37:57,878 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-28 04:37:57,883 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-28 04:37:57,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:37:57 ImpRootNode [2020-11-28 04:37:57,885 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:37:57,888 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:37:57,889 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:37:57,889 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:37:57,890 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:37:57" (3/4) ... [2020-11-28 04:37:57,895 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:37:57,907 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-28 04:37:57,908 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 04:37:57,908 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:37:57,929 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2020-11-28 04:37:57,961 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_22f428e0-641a-4887-82a7-b9a45217e692/bin/ukojak/witness.graphml [2020-11-28 04:37:57,962 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:37:57,964 INFO L168 Benchmark]: Toolchain (without parser) took 1254.23 ms. Allocated memory was 81.8 MB in the beginning and 107.0 MB in the end (delta: 25.2 MB). Free memory was 48.7 MB in the beginning and 48.7 MB in the end (delta: -38.4 kB). Peak memory consumption was 22.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:37:57,964 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 81.8 MB. Free memory was 55.4 MB in the beginning and 55.3 MB in the end (delta: 29.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:37:57,965 INFO L168 Benchmark]: CACSL2BoogieTranslator took 308.09 ms. Allocated memory was 81.8 MB in the beginning and 107.0 MB in the end (delta: 25.2 MB). Free memory was 48.4 MB in the beginning and 84.8 MB in the end (delta: -36.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:37:57,966 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.96 ms. Allocated memory is still 107.0 MB. Free memory was 84.8 MB in the beginning and 83.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:37:57,967 INFO L168 Benchmark]: Boogie Preprocessor took 49.89 ms. Allocated memory is still 107.0 MB. Free memory was 83.3 MB in the beginning and 81.8 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:37:57,967 INFO L168 Benchmark]: RCFGBuilder took 391.10 ms. Allocated memory is still 107.0 MB. Free memory was 81.8 MB in the beginning and 66.0 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-28 04:37:57,968 INFO L168 Benchmark]: CodeCheck took 376.98 ms. Allocated memory is still 107.0 MB. Free memory was 66.0 MB in the beginning and 54.0 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:37:57,969 INFO L168 Benchmark]: Witness Printer took 73.27 ms. Allocated memory is still 107.0 MB. Free memory was 54.0 MB in the beginning and 48.7 MB in the end (delta: 5.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:37:57,973 INFO L339 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, 4 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 1 ConstructedInterpolants, 0 QuantifiedInterpolants, 3 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 93]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 93]: Loop Invariant [2020-11-28 04:37:57,975 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-28 04:37:57,976 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 81.8 MB. Free memory was 55.4 MB in the beginning and 55.3 MB in the end (delta: 29.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 308.09 ms. Allocated memory was 81.8 MB in the beginning and 107.0 MB in the end (delta: 25.2 MB). Free memory was 48.4 MB in the beginning and 84.8 MB in the end (delta: -36.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.96 ms. Allocated memory is still 107.0 MB. Free memory was 84.8 MB in the beginning and 83.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 49.89 ms. Allocated memory is still 107.0 MB. Free memory was 83.3 MB in the beginning and 81.8 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 391.10 ms. Allocated memory is still 107.0 MB. Free memory was 81.8 MB in the beginning and 66.0 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * CodeCheck took 376.98 ms. Allocated memory is still 107.0 MB. Free memory was 66.0 MB in the beginning and 54.0 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 73.27 ms. Allocated memory is still 107.0 MB. Free memory was 54.0 MB in the beginning and 48.7 MB in the end (delta: 5.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid RESULT: Ultimate proved your program to be correct! Received shutdown request...