./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext3/naturalNumbers1.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_0960e256-79ea-4ae6-9d94-79700e440bd3/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0960e256-79ea-4ae6-9d94-79700e440bd3/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0960e256-79ea-4ae6-9d94-79700e440bd3/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0960e256-79ea-4ae6-9d94-79700e440bd3/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext3/naturalNumbers1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0960e256-79ea-4ae6-9d94-79700e440bd3/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0960e256-79ea-4ae6-9d94-79700e440bd3/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 932f76685ed1816d93a388d0ab1addae9c51483a ........................................................................................................................................................................................................................................................................................................................................................ 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 04:39:30,180 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:39:30,182 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:39:30,266 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:39:30,267 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:39:30,268 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:39:30,270 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:39:30,272 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:39:30,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:39:30,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:39:30,277 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:39:30,279 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:39:30,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:39:30,281 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:39:30,282 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:39:30,284 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:39:30,285 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:39:30,289 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:39:30,292 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:39:30,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:39:30,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:39:30,299 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:39:30,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:39:30,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:39:30,305 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:39:30,305 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:39:30,305 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:39:30,307 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:39:30,307 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:39:30,308 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:39:30,308 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:39:30,309 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:39:30,315 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:39:30,316 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:39:30,318 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:39:30,318 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:39:30,319 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:39:30,319 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:39:30,320 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:39:30,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:39:30,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:39:30,325 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0960e256-79ea-4ae6-9d94-79700e440bd3/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2020-11-28 04:39:30,368 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:39:30,371 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:39:30,373 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:39:30,373 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:39:30,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:39:30,374 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:39:30,374 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 04:39:30,374 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:39:30,374 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:39:30,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:39:30,376 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 04:39:30,376 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 04:39:30,376 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 04:39:30,377 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:39:30,377 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:39:30,377 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:39:30,377 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:39:30,378 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:39:30,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:39:30,378 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:39:30,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:39:30,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:39:30,379 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:39:30,379 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:39:30,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:39:30,379 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_0960e256-79ea-4ae6-9d94-79700e440bd3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0960e256-79ea-4ae6-9d94-79700e440bd3/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 932f76685ed1816d93a388d0ab1addae9c51483a [2020-11-28 04:39:30,640 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:39:30,670 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:39:30,672 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:39:30,674 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:39:30,674 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:39:30,675 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0960e256-79ea-4ae6-9d94-79700e440bd3/bin/ukojak/../../sv-benchmarks/c/memsafety-ext3/naturalNumbers1.c [2020-11-28 04:39:30,773 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0960e256-79ea-4ae6-9d94-79700e440bd3/bin/ukojak/data/262cc7882/120a17caaf51479f96c3f77ef55d6951/FLAGbefd58887 [2020-11-28 04:39:31,254 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:39:31,257 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0960e256-79ea-4ae6-9d94-79700e440bd3/sv-benchmarks/c/memsafety-ext3/naturalNumbers1.c [2020-11-28 04:39:31,267 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0960e256-79ea-4ae6-9d94-79700e440bd3/bin/ukojak/data/262cc7882/120a17caaf51479f96c3f77ef55d6951/FLAGbefd58887 [2020-11-28 04:39:31,636 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0960e256-79ea-4ae6-9d94-79700e440bd3/bin/ukojak/data/262cc7882/120a17caaf51479f96c3f77ef55d6951 [2020-11-28 04:39:31,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:39:31,640 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:39:31,642 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:39:31,642 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:39:31,646 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:39:31,646 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:39:31" (1/1) ... [2020-11-28 04:39:31,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66ed3226 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:31, skipping insertion in model container [2020-11-28 04:39:31,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:39:31" (1/1) ... [2020-11-28 04:39:31,657 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:39:31,668 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:39:31,860 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:39:31,870 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:39:31,889 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:39:31,903 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:39:31,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:31 WrapperNode [2020-11-28 04:39:31,904 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:39:31,905 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:39:31,906 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:39:31,906 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:39:31,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:31" (1/1) ... [2020-11-28 04:39:31,922 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:31" (1/1) ... [2020-11-28 04:39:31,941 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:39:31,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:39:31,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:39:31,942 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:39:31,951 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:31" (1/1) ... [2020-11-28 04:39:31,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:31" (1/1) ... [2020-11-28 04:39:31,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:31" (1/1) ... [2020-11-28 04:39:31,953 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:31" (1/1) ... [2020-11-28 04:39:31,958 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:31" (1/1) ... [2020-11-28 04:39:31,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:31" (1/1) ... [2020-11-28 04:39:31,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:31" (1/1) ... [2020-11-28 04:39:31,965 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:39:31,966 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:39:31,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:39:31,967 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:39:31,968 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0960e256-79ea-4ae6-9d94-79700e440bd3/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 04:39:32,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:39:32,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:39:32,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:39:32,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 04:39:32,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:39:32,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 04:39:32,451 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:39:32,451 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-11-28 04:39:32,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:32 BoogieIcfgContainer [2020-11-28 04:39:32,454 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:39:32,455 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:39:32,455 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:39:32,467 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:39:32,467 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:32" (1/1) ... [2020-11-28 04:39:32,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:39:32,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:32,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2020-11-28 04:39:32,513 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2020-11-28 04:39:32,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-28 04:39:32,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:32,671 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 04:39:32,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:32,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2020-11-28 04:39:32,720 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2020-11-28 04:39:32,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-28 04:39:32,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:32,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:32,814 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 04:39:33,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:33,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2020-11-28 04:39:33,034 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2020-11-28 04:39:33,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 04:39:33,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:33,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:33,198 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 04:39:33,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:33,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2020-11-28 04:39:33,477 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2020-11-28 04:39:33,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 04:39:33,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:33,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:33,581 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:34,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:34,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 22 states and 38 transitions. [2020-11-28 04:39:34,064 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 38 transitions. [2020-11-28 04:39:34,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 04:39:34,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:34,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:34,099 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:34,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:34,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 22 states and 37 transitions. [2020-11-28 04:39:34,194 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 37 transitions. [2020-11-28 04:39:34,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 04:39:34,194 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:34,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:34,312 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:34,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:34,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 23 states and 40 transitions. [2020-11-28 04:39:34,601 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 40 transitions. [2020-11-28 04:39:34,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 04:39:34,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:34,875 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:36,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:36,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 29 states and 59 transitions. [2020-11-28 04:39:36,015 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 59 transitions. [2020-11-28 04:39:36,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 04:39:36,015 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:36,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:36,178 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:39:36,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:36,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 7 states and 6 transitions. [2020-11-28 04:39:36,735 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2020-11-28 04:39:36,735 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:39:36,735 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2020-11-28 04:39:36,740 INFO L765 CodeCheckObserver]: All specifications hold 3 specifications checked. All of them hold [2020-11-28 04:39:36,807 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-28 04:39:36,811 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-28 04:39:36,815 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-28 04:39:36,815 INFO L569 CodeCheckObserver]: Invariant with dag size 29 [2020-11-28 04:39:36,817 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-28 04:39:36,817 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-28 04:39:36,818 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-28 04:39:36,818 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-28 04:39:36,819 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-28 04:39:36,820 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-28 04:39:36,820 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-28 04:39:36,820 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-28 04:39:36,821 INFO L569 CodeCheckObserver]: Invariant with dag size 6 [2020-11-28 04:39:36,821 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-28 04:39:36,822 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-28 04:39:36,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:39:36 ImpRootNode [2020-11-28 04:39:36,823 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:39:36,823 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:39:36,824 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:39:36,824 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:39:36,824 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:32" (3/4) ... [2020-11-28 04:39:36,828 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:39:36,843 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-28 04:39:36,844 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-28 04:39:36,845 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:39:36,884 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((unknown-#length-unknown[numbers] == 10 && unknown-#memory_int-unknown[numbers][i * 4 + numbers] == 0) && numbers <= 0) && 0 <= numbers) && 4 == unknown-#memory_int-unknown[numbers][4]) && i == 0) && \valid[numbers := 0] == \old(unknown-main_\old_#valid-unknown)) && \valid[numbers] == 1 [2020-11-28 04:39:36,885 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \valid[numbers := 0] == \old(unknown-main_\old_#valid-unknown) [2020-11-28 04:39:36,885 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2020-11-28 04:39:36,923 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0960e256-79ea-4ae6-9d94-79700e440bd3/bin/ukojak/witness.graphml [2020-11-28 04:39:36,927 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:39:36,929 INFO L168 Benchmark]: Toolchain (without parser) took 5287.59 ms. Allocated memory was 100.7 MB in the beginning and 146.8 MB in the end (delta: 46.1 MB). Free memory was 73.0 MB in the beginning and 114.8 MB in the end (delta: -41.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:36,930 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 83.9 MB. Free memory is still 41.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:39:36,931 INFO L168 Benchmark]: CACSL2BoogieTranslator took 262.51 ms. Allocated memory is still 100.7 MB. Free memory was 73.0 MB in the beginning and 79.2 MB in the end (delta: -6.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:36,932 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.65 ms. Allocated memory is still 100.7 MB. Free memory was 79.2 MB in the beginning and 77.7 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:39:36,933 INFO L168 Benchmark]: Boogie Preprocessor took 23.89 ms. Allocated memory is still 100.7 MB. Free memory was 77.7 MB in the beginning and 76.6 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:39:36,934 INFO L168 Benchmark]: RCFGBuilder took 487.74 ms. Allocated memory is still 100.7 MB. Free memory was 76.6 MB in the beginning and 62.9 MB in the end (delta: 13.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:36,935 INFO L168 Benchmark]: CodeCheck took 4367.82 ms. Allocated memory was 100.7 MB in the beginning and 146.8 MB in the end (delta: 46.1 MB). Free memory was 62.4 MB in the beginning and 116.9 MB in the end (delta: -54.5 MB). Peak memory consumption was 55.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:36,935 INFO L168 Benchmark]: Witness Printer took 103.50 ms. Allocated memory is still 146.8 MB. Free memory was 116.9 MB in the beginning and 114.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:36,938 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, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.2s, OverallIterations: 9, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 640 SDtfs, 1196 SDslu, 1000 SDs, 0 SdLazy, 4788 SolverSat, 1272 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 464 GetRequests, 392 SyntacticMatches, 2 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1781 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 41 ConstructedInterpolants, 0 QuantifiedInterpolants, 1801 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 9/15 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: 4]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 4]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 12]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 12]: Loop Invariant [2020-11-28 04:39:36,950 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-28 04:39:36,951 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid - InvariantResult [Line: 3]: Loop Invariant [2020-11-28 04:39:36,952 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-28 04:39:36,953 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-28 04:39:36,954 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-28 04:39:36,954 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-28 04:39:36,955 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-28 04:39:36,956 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-28 04:39:36,956 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-11-28 04:39:36,957 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: ((((((unknown-#length-unknown[numbers] == 10 && unknown-#memory_int-unknown[numbers][i * 4 + numbers] == 0) && numbers <= 0) && 0 <= numbers) && 4 == unknown-#memory_int-unknown[numbers][4]) && i == 0) && \valid[numbers := 0] == \old(unknown-main_\old_#valid-unknown)) && \valid[numbers] == 1 - InvariantResult [Line: 1]: Loop Invariant [2020-11-28 04:39:36,957 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-28 04:39:36,958 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \valid[numbers := 0] == \old(unknown-main_\old_#valid-unknown) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 83.9 MB. Free memory is still 41.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 262.51 ms. Allocated memory is still 100.7 MB. Free memory was 73.0 MB in the beginning and 79.2 MB in the end (delta: -6.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 35.65 ms. Allocated memory is still 100.7 MB. Free memory was 79.2 MB in the beginning and 77.7 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.89 ms. Allocated memory is still 100.7 MB. Free memory was 77.7 MB in the beginning and 76.6 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 487.74 ms. Allocated memory is still 100.7 MB. Free memory was 76.6 MB in the beginning and 62.9 MB in the end (delta: 13.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * CodeCheck took 4367.82 ms. Allocated memory was 100.7 MB in the beginning and 146.8 MB in the end (delta: 46.1 MB). Free memory was 62.4 MB in the beginning and 116.9 MB in the end (delta: -54.5 MB). Peak memory consumption was 55.1 MB. Max. memory is 16.1 GB. * Witness Printer took 103.50 ms. Allocated memory is still 146.8 MB. Free memory was 116.9 MB in the beginning and 114.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 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 #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - 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 - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - 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...