./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i --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_bf42a3b4-da5d-49ad-a683-57c035b69815/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_bf42a3b4-da5d-49ad-a683-57c035b69815/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bf42a3b4-da5d-49ad-a683-57c035b69815/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bf42a3b4-da5d-49ad-a683-57c035b69815/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i -s /tmp/vcloud-vcloud-master/worker/run_dir_bf42a3b4-da5d-49ad-a683-57c035b69815/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bf42a3b4-da5d-49ad-a683-57c035b69815/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 05263e1a00e36e758633b8fa4d2ee72b914ab3e1 ............................................................................................................................................................................................................................................ 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 04:41:50,836 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:41:50,838 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:41:50,919 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:41:50,920 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:41:50,921 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:41:50,923 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:41:50,926 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:41:50,928 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:41:50,929 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:41:50,931 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:41:50,932 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:41:50,933 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:41:50,935 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:41:50,936 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:41:50,937 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:41:50,939 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:41:50,940 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:41:50,942 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:41:50,945 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:41:50,947 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:41:50,949 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:41:50,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:41:50,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:41:50,955 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:41:50,955 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:41:50,956 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:41:50,957 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:41:50,957 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:41:50,959 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:41:50,959 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:41:50,960 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:41:50,961 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:41:50,962 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:41:50,963 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:41:50,964 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:41:50,965 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:41:50,965 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:41:50,966 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:41:50,968 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:41:50,968 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:41:50,971 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bf42a3b4-da5d-49ad-a683-57c035b69815/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2020-11-28 04:41:51,012 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:41:51,013 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:41:51,014 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:41:51,015 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:41:51,015 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:41:51,015 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:41:51,016 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 04:41:51,016 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:41:51,016 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:41:51,016 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:41:51,017 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 04:41:51,018 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 04:41:51,018 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 04:41:51,018 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:41:51,018 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:41:51,019 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:41:51,019 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:41:51,019 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:41:51,019 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:41:51,020 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:41:51,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:41:51,020 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:41:51,020 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:41:51,021 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:41:51,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:41:51,021 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_bf42a3b4-da5d-49ad-a683-57c035b69815/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_bf42a3b4-da5d-49ad-a683-57c035b69815/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05263e1a00e36e758633b8fa4d2ee72b914ab3e1 [2020-11-28 04:41:51,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:41:51,350 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:41:51,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:41:51,356 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:41:51,357 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:41:51,358 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bf42a3b4-da5d-49ad-a683-57c035b69815/bin/ukojak/../../sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2020-11-28 04:41:51,456 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bf42a3b4-da5d-49ad-a683-57c035b69815/bin/ukojak/data/4af16acb7/42ed574d53e7433a9708ba4ccba0c621/FLAG2f6aa02f2 [2020-11-28 04:41:52,012 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:41:52,012 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bf42a3b4-da5d-49ad-a683-57c035b69815/sv-benchmarks/c/ldv-memsafety/memleaks_test1-3.i [2020-11-28 04:41:52,040 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bf42a3b4-da5d-49ad-a683-57c035b69815/bin/ukojak/data/4af16acb7/42ed574d53e7433a9708ba4ccba0c621/FLAG2f6aa02f2 [2020-11-28 04:41:52,275 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bf42a3b4-da5d-49ad-a683-57c035b69815/bin/ukojak/data/4af16acb7/42ed574d53e7433a9708ba4ccba0c621 [2020-11-28 04:41:52,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:41:52,278 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:41:52,290 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:41:52,290 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:41:52,293 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:41:52,294 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:41:52" (1/1) ... [2020-11-28 04:41:52,297 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@417ed382 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:52, skipping insertion in model container [2020-11-28 04:41:52,297 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:41:52" (1/1) ... [2020-11-28 04:41:52,304 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:41:52,359 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:41:52,801 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:41:52,817 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:41:52,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:41:52,987 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:41:52,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:52 WrapperNode [2020-11-28 04:41:52,988 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:41:52,989 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:41:52,989 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:41:52,989 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:41:52,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:52" (1/1) ... [2020-11-28 04:41:53,016 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:52" (1/1) ... [2020-11-28 04:41:53,034 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:41:53,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:41:53,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:41:53,035 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:41:53,044 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:52" (1/1) ... [2020-11-28 04:41:53,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:52" (1/1) ... [2020-11-28 04:41:53,048 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:52" (1/1) ... [2020-11-28 04:41:53,050 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:52" (1/1) ... [2020-11-28 04:41:53,056 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:52" (1/1) ... [2020-11-28 04:41:53,057 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:52" (1/1) ... [2020-11-28 04:41:53,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:52" (1/1) ... [2020-11-28 04:41:53,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:41:53,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:41:53,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:41:53,063 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:41:53,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bf42a3b4-da5d-49ad-a683-57c035b69815/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 04:41:53,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-28 04:41:53,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:41:53,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 04:41:53,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-11-28 04:41:53,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:41:53,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:41:53,506 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:41:53,506 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-28 04:41:53,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:41:53 BoogieIcfgContainer [2020-11-28 04:41:53,508 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:41:53,509 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:41:53,509 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:41:53,519 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:41:53,519 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:41:53" (1/1) ... [2020-11-28 04:41:53,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:41:53,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:53,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 10 states and 9 transitions. [2020-11-28 04:41:53,560 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2020-11-28 04:41:53,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2020-11-28 04:41:53,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:53,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:53,716 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 04:41:53,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:53,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 9 states and 8 transitions. [2020-11-28 04:41:53,755 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2020-11-28 04:41:53,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-28 04:41:53,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:53,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:53,814 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 04:41:53,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:53,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 8 states and 7 transitions. [2020-11-28 04:41:53,957 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 7 transitions. [2020-11-28 04:41:53,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-28 04:41:53,958 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:54,108 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 04:41:54,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:54,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 7 states and 6 transitions. [2020-11-28 04:41:54,441 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2020-11-28 04:41:54,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-28 04:41:54,441 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:54,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:54,714 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 04:41:55,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:55,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 6 states and 5 transitions. [2020-11-28 04:41:55,348 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2020-11-28 04:41:55,348 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:41:55,348 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2020-11-28 04:41:55,354 INFO L765 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2020-11-28 04:41:55,416 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:41:55,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:41:55 ImpRootNode [2020-11-28 04:41:55,421 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:41:55,422 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:41:55,422 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:41:55,422 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:41:55,423 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:41:53" (3/4) ... [2020-11-28 04:41:55,426 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:41:55,439 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 04:41:55,439 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:41:55,439 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:41:55,491 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_bf42a3b4-da5d-49ad-a683-57c035b69815/bin/ukojak/witness.graphml [2020-11-28 04:41:55,491 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:41:55,497 INFO L168 Benchmark]: Toolchain (without parser) took 3217.98 ms. Allocated memory was 77.6 MB in the beginning and 113.2 MB in the end (delta: 35.7 MB). Free memory was 42.9 MB in the beginning and 46.7 MB in the end (delta: -3.8 MB). Peak memory consumption was 31.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:41:55,498 INFO L168 Benchmark]: CDTParser took 0.56 ms. Allocated memory is still 77.6 MB. Free memory was 50.3 MB in the beginning and 50.3 MB in the end (delta: 26.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:41:55,499 INFO L168 Benchmark]: CACSL2BoogieTranslator took 698.42 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 42.7 MB in the beginning and 48.6 MB in the end (delta: -5.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:41:55,500 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.31 ms. Allocated memory is still 94.4 MB. Free memory was 48.6 MB in the beginning and 46.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:41:55,501 INFO L168 Benchmark]: Boogie Preprocessor took 26.83 ms. Allocated memory is still 94.4 MB. Free memory was 46.7 MB in the beginning and 45.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:41:55,505 INFO L168 Benchmark]: RCFGBuilder took 446.19 ms. Allocated memory is still 94.4 MB. Free memory was 45.5 MB in the beginning and 62.6 MB in the end (delta: -17.1 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. [2020-11-28 04:41:55,507 INFO L168 Benchmark]: CodeCheck took 1911.87 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 62.6 MB in the beginning and 49.7 MB in the end (delta: 12.9 MB). Peak memory consumption was 32.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:41:55,507 INFO L168 Benchmark]: Witness Printer took 69.99 ms. Allocated memory is still 113.2 MB. Free memory was 49.7 MB in the beginning and 46.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:41:55,511 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, 10 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.8s, OverallIterations: 5, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 40 SDslu, 0 SDs, 0 SdLazy, 154 SolverSat, 70 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 88 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 453 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 262 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 761]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 759]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 759]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 759]: 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 0.56 ms. Allocated memory is still 77.6 MB. Free memory was 50.3 MB in the beginning and 50.3 MB in the end (delta: 26.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 698.42 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 42.7 MB in the beginning and 48.6 MB in the end (delta: -5.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.31 ms. Allocated memory is still 94.4 MB. Free memory was 48.6 MB in the beginning and 46.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.83 ms. Allocated memory is still 94.4 MB. Free memory was 46.7 MB in the beginning and 45.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 446.19 ms. Allocated memory is still 94.4 MB. Free memory was 45.5 MB in the beginning and 62.6 MB in the end (delta: -17.1 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. * CodeCheck took 1911.87 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 62.6 MB in the beginning and 49.7 MB in the end (delta: 12.9 MB). Peak memory consumption was 32.4 MB. Max. memory is 16.1 GB. * Witness Printer took 69.99 ms. Allocated memory is still 113.2 MB. Free memory was 49.7 MB in the beginning and 46.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...