./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 cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_26f9cdd2-8d8e-42b7-855f-938c523a0f35/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_26f9cdd2-8d8e-42b7-855f-938c523a0f35/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_26f9cdd2-8d8e-42b7-855f-938c523a0f35/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_26f9cdd2-8d8e-42b7-855f-938c523a0f35/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext3/naturalNumbers1.c -s /tmp/vcloud-vcloud-master/worker/working_dir_26f9cdd2-8d8e-42b7-855f-938c523a0f35/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_26f9cdd2-8d8e-42b7-855f-938c523a0f35/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 0.1.24-cad4683 [2019-10-22 10:16:54,050 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:16:54,052 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:16:54,064 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:16:54,065 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:16:54,065 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:16:54,067 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:16:54,068 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:16:54,069 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:16:54,073 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:16:54,074 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:16:54,075 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:16:54,075 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:16:54,076 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:16:54,077 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:16:54,078 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:16:54,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:16:54,085 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:16:54,087 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:16:54,088 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:16:54,089 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:16:54,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:16:54,091 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:16:54,091 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:16:54,093 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:16:54,093 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:16:54,094 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:16:54,094 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:16:54,095 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:16:54,095 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:16:54,096 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:16:54,096 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:16:54,097 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:16:54,097 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:16:54,098 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:16:54,098 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:16:54,099 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:16:54,099 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:16:54,099 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:16:54,100 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:16:54,100 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:16:54,101 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_26f9cdd2-8d8e-42b7-855f-938c523a0f35/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2019-10-22 10:16:54,112 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:16:54,112 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:16:54,113 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:16:54,113 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:16:54,113 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:16:54,113 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:16:54,114 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 10:16:54,114 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:16:54,114 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:16:54,114 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:16:54,114 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 10:16:54,114 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 10:16:54,114 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 10:16:54,115 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:16:54,115 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:16:54,115 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:16:54,115 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:16:54,115 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:16:54,115 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:16:54,115 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:16:54,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:16:54,116 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:16:54,116 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:16:54,116 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:16:54,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:16:54,116 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/working_dir_26f9cdd2-8d8e-42b7-855f-938c523a0f35/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 [2019-10-22 10:16:54,151 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:16:54,163 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:16:54,166 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:16:54,170 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:16:54,170 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:16:54,171 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_26f9cdd2-8d8e-42b7-855f-938c523a0f35/bin/ukojak/../../sv-benchmarks/c/memsafety-ext3/naturalNumbers1.c [2019-10-22 10:16:54,220 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_26f9cdd2-8d8e-42b7-855f-938c523a0f35/bin/ukojak/data/42e6df3c3/894d869d162c48ce82745f12ab1a5b5f/FLAG4c93c52be [2019-10-22 10:16:54,611 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:16:54,612 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_26f9cdd2-8d8e-42b7-855f-938c523a0f35/sv-benchmarks/c/memsafety-ext3/naturalNumbers1.c [2019-10-22 10:16:54,617 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_26f9cdd2-8d8e-42b7-855f-938c523a0f35/bin/ukojak/data/42e6df3c3/894d869d162c48ce82745f12ab1a5b5f/FLAG4c93c52be [2019-10-22 10:16:54,628 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_26f9cdd2-8d8e-42b7-855f-938c523a0f35/bin/ukojak/data/42e6df3c3/894d869d162c48ce82745f12ab1a5b5f [2019-10-22 10:16:54,630 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:16:54,632 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:16:54,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:16:54,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:16:54,636 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:16:54,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:16:54" (1/1) ... [2019-10-22 10:16:54,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e6d2bfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:54, skipping insertion in model container [2019-10-22 10:16:54,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:16:54" (1/1) ... [2019-10-22 10:16:54,648 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:16:54,666 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:16:54,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:16:54,877 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:16:54,893 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:16:54,906 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:16:54,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:54 WrapperNode [2019-10-22 10:16:54,906 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:16:54,907 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:16:54,907 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:16:54,907 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:16:54,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:54" (1/1) ... [2019-10-22 10:16:54,923 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:54" (1/1) ... [2019-10-22 10:16:54,947 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:16:54,948 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:16:54,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:16:54,948 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:16:54,958 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:54" (1/1) ... [2019-10-22 10:16:54,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:54" (1/1) ... [2019-10-22 10:16:54,959 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:54" (1/1) ... [2019-10-22 10:16:54,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:54" (1/1) ... [2019-10-22 10:16:54,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:54" (1/1) ... [2019-10-22 10:16:54,977 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:54" (1/1) ... [2019-10-22 10:16:54,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:54" (1/1) ... [2019-10-22 10:16:54,986 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:16:54,987 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:16:54,987 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:16:54,987 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:16:54,988 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:16:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_26f9cdd2-8d8e-42b7-855f-938c523a0f35/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:16:55,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:16:55,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:16:55,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 10:16:55,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 10:16:55,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:16:55,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 10:16:55,325 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:16:55,325 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 10:16:55,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:16:55 BoogieIcfgContainer [2019-10-22 10:16:55,326 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:16:55,327 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:16:55,327 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:16:55,349 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:16:55,349 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:16:55" (1/1) ... [2019-10-22 10:16:55,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:16:55,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:55,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2019-10-22 10:16:55,395 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2019-10-22 10:16:55,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 10:16:55,397 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:55,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:55,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:55,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2019-10-22 10:16:55,599 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2019-10-22 10:16:55,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 10:16:55,600 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:55,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:55,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:55,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:55,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2019-10-22 10:16:55,898 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2019-10-22 10:16:55,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 10:16:55,901 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:56,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:56,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:56,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2019-10-22 10:16:56,276 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2019-10-22 10:16:56,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 10:16:56,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:56,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:56,362 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:56,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:56,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 22 states and 38 transitions. [2019-10-22 10:16:56,704 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 38 transitions. [2019-10-22 10:16:56,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 10:16:56,705 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:56,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:56,731 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:56,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:56,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 22 states and 37 transitions. [2019-10-22 10:16:56,800 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 37 transitions. [2019-10-22 10:16:56,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 10:16:56,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:56,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:56,902 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:57,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:57,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 23 states and 40 transitions. [2019-10-22 10:16:57,148 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 40 transitions. [2019-10-22 10:16:57,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 10:16:57,149 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:16:57,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:16:57,375 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:16:57,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:16:57,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 7 states and 6 transitions. [2019-10-22 10:16:57,900 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2019-10-22 10:16:57,900 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 10:16:57,900 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2019-10-22 10:16:57,908 INFO L771 CodeCheckObserver]: All specifications hold 3 specifications checked. All of them hold [2019-10-22 10:16:57,960 INFO L575 CodeCheckObserver]: Invariant with dag size 3 [2019-10-22 10:16:57,965 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:16:57,970 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:16:57,971 INFO L575 CodeCheckObserver]: Invariant with dag size 30 [2019-10-22 10:16:57,972 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:16:57,972 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:16:57,973 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:16:57,973 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:16:57,973 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-22 10:16:57,974 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:16:57,974 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:16:57,975 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:16:57,975 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:16:57,975 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-22 10:16:57,976 INFO L575 CodeCheckObserver]: Invariant with dag size 9 [2019-10-22 10:16:57,976 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:16:57,976 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:16:57,977 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:16:57,977 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:16:57,977 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:16:57,977 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:16:57,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:16:57 ImpRootNode [2019-10-22 10:16:57,978 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:16:57,978 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:16:57,978 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:16:57,979 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:16:57,979 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:16:55" (3/4) ... [2019-10-22 10:16:57,983 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 10:16:57,995 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 10:16:57,995 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 10:16:57,995 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 10:16:58,018 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == i && \old(unknown-main_\old_#valid-unknown) == \valid[numbers := \old(unknown-main_\old_#valid-unknown)[numbers]]) && unknown-#length-unknown[numbers] == 10) && 0 == \old(unknown-main_\old_#valid-unknown)[numbers]) && 0 <= numbers) && numbers <= 0) && 1 == \valid[numbers]) && numbers == numbers) && unknown-#memory_int-unknown[numbers][i * 4 + numbers] == 0 [2019-10-22 10:16:58,019 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid[numbers := \old(unknown-main_\old_#valid-unknown)[numbers]] && 0 == \old(unknown-main_\old_#valid-unknown)[numbers] [2019-10-22 10:16:58,019 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2019-10-22 10:16:58,036 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_26f9cdd2-8d8e-42b7-855f-938c523a0f35/bin/ukojak/witness.graphml [2019-10-22 10:16:58,037 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:16:58,039 INFO L168 Benchmark]: Toolchain (without parser) took 3406.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -119.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2019-10-22 10:16:58,039 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:16:58,040 INFO L168 Benchmark]: CACSL2BoogieTranslator took 273.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -191.6 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:16:58,040 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.80 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:16:58,040 INFO L168 Benchmark]: Boogie Preprocessor took 39.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:16:58,041 INFO L168 Benchmark]: RCFGBuilder took 339.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:16:58,041 INFO L168 Benchmark]: CodeCheck took 2651.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.3 MB). Peak memory consumption was 46.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:16:58,042 INFO L168 Benchmark]: Witness Printer took 58.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:16:58,044 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 10 locations, 3 error locations. Result: SAFE, OverallTime: 2.5s, OverallIterations: 8, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 320 SDtfs, 588 SDslu, 496 SDs, 0 SdLazy, 2314 SolverSat, 626 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 350 GetRequests, 294 SyntacticMatches, 6 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 845 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 1745 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 5/8 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: 12]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 4]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 12]: Loop Invariant [2019-10-22 10:16:58,046 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:16:58,046 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid - InvariantResult [Line: 3]: Loop Invariant [2019-10-22 10:16:58,047 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:16:58,047 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:16:58,048 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:16:58,048 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:16:58,048 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-22 10:16:58,049 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:16:58,049 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:16:58,049 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-10-22 10:16:58,049 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:16:58,049 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((((((0 == i && \old(unknown-main_\old_#valid-unknown) == \valid[numbers := \old(unknown-main_\old_#valid-unknown)[numbers]]) && unknown-#length-unknown[numbers] == 10) && 0 == \old(unknown-main_\old_#valid-unknown)[numbers]) && 0 <= numbers) && numbers <= 0) && 1 == \valid[numbers]) && numbers == numbers) && unknown-#memory_int-unknown[numbers][i * 4 + numbers] == 0 - InvariantResult [Line: 1]: Loop Invariant [2019-10-22 10:16:58,050 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:16:58,050 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:16:58,050 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:16:58,051 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:16:58,051 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-10-22 10:16:58,051 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid[numbers := \old(unknown-main_\old_#valid-unknown)[numbers]] && 0 == \old(unknown-main_\old_#valid-unknown)[numbers] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 273.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -191.6 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.80 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 339.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * CodeCheck took 2651.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.3 MB). Peak memory consumption was 46.3 MB. Max. memory is 11.5 GB. * Witness Printer took 58.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - 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 #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - 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 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 main_old_#valid - 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 #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - 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 main_old_#valid RESULT: Ultimate proved your program to be correct! Received shutdown request...