./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 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3432af6e-ef21-4855-8540-3a17f0edb7b7/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3432af6e-ef21-4855-8540-3a17f0edb7b7/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3432af6e-ef21-4855-8540-3a17f0edb7b7/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3432af6e-ef21-4855-8540-3a17f0edb7b7/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test8.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3432af6e-ef21-4855-8540-3a17f0edb7b7/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3432af6e-ef21-4855-8540-3a17f0edb7b7/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 ea76204732189107ea57f186f34feef6f7f76c1e ................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:35:04,195 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:35:04,199 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:35:04,279 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:35:04,280 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:35:04,286 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:35:04,289 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:35:04,301 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:35:04,304 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:35:04,313 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:35:04,314 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:35:04,317 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:35:04,318 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:35:04,322 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:35:04,324 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:35:04,326 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:35:04,328 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:35:04,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:35:04,336 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:35:04,345 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:35:04,347 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:35:04,349 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:35:04,351 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:35:04,353 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:35:04,364 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:35:04,365 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:35:04,365 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:35:04,367 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:35:04,368 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:35:04,370 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:35:04,370 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:35:04,372 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:35:04,374 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:35:04,376 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:35:04,377 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:35:04,378 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:35:04,379 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:35:04,379 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:35:04,380 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:35:04,381 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:35:04,382 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:35:04,384 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3432af6e-ef21-4855-8540-3a17f0edb7b7/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2020-12-01 17:35:04,431 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:35:04,431 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:35:04,434 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:35:04,434 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:35:04,435 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:35:04,435 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:35:04,435 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 17:35:04,436 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:35:04,436 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:35:04,436 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:35:04,437 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-01 17:35:04,438 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-01 17:35:04,438 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-01 17:35:04,439 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:35:04,439 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:35:04,439 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:35:04,440 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:35:04,440 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:35:04,440 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:35:04,440 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:35:04,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:35:04,441 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:35:04,441 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:35:04,442 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:35:04,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:35:04,442 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_3432af6e-ef21-4855-8540-3a17f0edb7b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3432af6e-ef21-4855-8540-3a17f0edb7b7/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea76204732189107ea57f186f34feef6f7f76c1e [2020-12-01 17:35:04,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:35:04,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:35:04,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:35:04,811 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:35:04,812 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:35:04,814 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3432af6e-ef21-4855-8540-3a17f0edb7b7/bin/ukojak/../../sv-benchmarks/c/ldv-memsafety/memleaks_test8.i [2020-12-01 17:35:04,922 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3432af6e-ef21-4855-8540-3a17f0edb7b7/bin/ukojak/data/95ec42fb7/a85ba644503545bfaa64dece068eeebf/FLAG79669e56b [2020-12-01 17:35:05,651 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:35:05,655 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3432af6e-ef21-4855-8540-3a17f0edb7b7/sv-benchmarks/c/ldv-memsafety/memleaks_test8.i [2020-12-01 17:35:05,676 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3432af6e-ef21-4855-8540-3a17f0edb7b7/bin/ukojak/data/95ec42fb7/a85ba644503545bfaa64dece068eeebf/FLAG79669e56b [2020-12-01 17:35:05,893 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3432af6e-ef21-4855-8540-3a17f0edb7b7/bin/ukojak/data/95ec42fb7/a85ba644503545bfaa64dece068eeebf [2020-12-01 17:35:05,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:35:05,898 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:35:05,901 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:35:05,901 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:35:05,905 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:35:05,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:35:05" (1/1) ... [2020-12-01 17:35:05,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45b446ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:35:05, skipping insertion in model container [2020-12-01 17:35:05,909 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:35:05" (1/1) ... [2020-12-01 17:35:05,919 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:35:05,968 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:35:06,567 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:35:06,598 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:35:06,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:35:06,769 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:35:06,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:35:06 WrapperNode [2020-12-01 17:35:06,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:35:06,772 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:35:06,772 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:35:06,772 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:35:06,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:35:06" (1/1) ... [2020-12-01 17:35:06,809 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:35:06" (1/1) ... [2020-12-01 17:35:06,831 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:35:06,832 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:35:06,833 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:35:06,833 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:35:06,844 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:35:06" (1/1) ... [2020-12-01 17:35:06,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:35:06" (1/1) ... [2020-12-01 17:35:06,848 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:35:06" (1/1) ... [2020-12-01 17:35:06,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:35:06" (1/1) ... [2020-12-01 17:35:06,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:35:06" (1/1) ... [2020-12-01 17:35:06,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:35:06" (1/1) ... [2020-12-01 17:35:06,860 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:35:06" (1/1) ... [2020-12-01 17:35:06,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:35:06,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:35:06,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:35:06,865 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:35:06,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:35:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3432af6e-ef21-4855-8540-3a17f0edb7b7/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 [2020-12-01 17:35:06,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 17:35:06,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:35:06,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 17:35:06,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-01 17:35:06,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:35:06,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:35:07,406 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:35:07,407 INFO L298 CfgBuilder]: Removed 12 assume(true) statements. [2020-12-01 17:35:07,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:35:07 BoogieIcfgContainer [2020-12-01 17:35:07,413 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:35:07,414 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:35:07,414 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:35:07,448 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:35:07,449 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:35:07" (1/1) ... [2020-12-01 17:35:07,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:35:07,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:07,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2020-12-01 17:35:07,501 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2020-12-01 17:35:07,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-01 17:35:07,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:07,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:07,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:07,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:07,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2020-12-01 17:35:07,748 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2020-12-01 17:35:07,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 17:35:07,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:07,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:07,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:07,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:07,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2020-12-01 17:35:07,963 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2020-12-01 17:35:07,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-01 17:35:07,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:08,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:08,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:08,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:08,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2020-12-01 17:35:08,364 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2020-12-01 17:35:08,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 17:35:08,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:08,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:08,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:09,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:09,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2020-12-01 17:35:09,033 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2020-12-01 17:35:09,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 17:35:09,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:35:09,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:35:09,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:35:10,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:35:10,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2020-12-01 17:35:10,323 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2020-12-01 17:35:10,323 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:35:10,324 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2020-12-01 17:35:10,332 INFO L765 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2020-12-01 17:35:10,415 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:35:10,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:35:10 ImpRootNode [2020-12-01 17:35:10,421 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:35:10,422 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:35:10,422 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:35:10,423 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:35:10,424 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:35:07" (3/4) ... [2020-12-01 17:35:10,427 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:35:10,438 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-01 17:35:10,439 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 17:35:10,439 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 17:35:10,496 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3432af6e-ef21-4855-8540-3a17f0edb7b7/bin/ukojak/witness.graphml [2020-12-01 17:35:10,500 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:35:10,503 INFO L168 Benchmark]: Toolchain (without parser) took 4603.43 ms. Allocated memory was 104.9 MB in the beginning and 140.5 MB in the end (delta: 35.7 MB). Free memory was 74.7 MB in the beginning and 84.1 MB in the end (delta: -9.3 MB). Peak memory consumption was 25.6 MB. Max. memory is 16.1 GB. [2020-12-01 17:35:10,503 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 81.8 MB. Free memory is still 38.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:35:10,506 INFO L168 Benchmark]: CACSL2BoogieTranslator took 869.83 ms. Allocated memory is still 104.9 MB. Free memory was 74.1 MB in the beginning and 57.7 MB in the end (delta: 16.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-01 17:35:10,507 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.03 ms. Allocated memory is still 104.9 MB. Free memory was 57.7 MB in the beginning and 55.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:35:10,508 INFO L168 Benchmark]: Boogie Preprocessor took 30.67 ms. Allocated memory is still 104.9 MB. Free memory was 55.7 MB in the beginning and 54.8 MB in the end (delta: 908.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:35:10,508 INFO L168 Benchmark]: RCFGBuilder took 549.11 ms. Allocated memory is still 104.9 MB. Free memory was 54.2 MB in the beginning and 34.7 MB in the end (delta: 19.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-12-01 17:35:10,509 INFO L168 Benchmark]: CodeCheck took 3007.54 ms. Allocated memory was 104.9 MB in the beginning and 140.5 MB in the end (delta: 35.7 MB). Free memory was 34.7 MB in the beginning and 87.2 MB in the end (delta: -52.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:35:10,509 INFO L168 Benchmark]: Witness Printer took 78.42 ms. Allocated memory is still 140.5 MB. Free memory was 87.2 MB in the beginning and 84.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:35:10,518 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, 12 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.8s, OverallIterations: 6, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 32 SDtfs, 146 SDslu, 32 SDs, 0 SdLazy, 492 SolverSat, 198 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 168 GetRequests, 115 SyntacticMatches, 1 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1122 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 825 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: 769]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 762]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 762]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 762]: 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 0.31 ms. Allocated memory is still 81.8 MB. Free memory is still 38.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 869.83 ms. Allocated memory is still 104.9 MB. Free memory was 74.1 MB in the beginning and 57.7 MB in the end (delta: 16.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 60.03 ms. Allocated memory is still 104.9 MB. Free memory was 57.7 MB in the beginning and 55.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.67 ms. Allocated memory is still 104.9 MB. Free memory was 55.7 MB in the beginning and 54.8 MB in the end (delta: 908.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 549.11 ms. Allocated memory is still 104.9 MB. Free memory was 54.2 MB in the beginning and 34.7 MB in the end (delta: 19.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * CodeCheck took 3007.54 ms. Allocated memory was 104.9 MB in the beginning and 140.5 MB in the end (delta: 35.7 MB). Free memory was 34.7 MB in the beginning and 87.2 MB in the end (delta: -52.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 78.42 ms. Allocated memory is still 140.5 MB. Free memory was 87.2 MB in the beginning and 84.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...