./Ultimate.py --spec ../../sv-benchmarks/c/MemSafety.prp --file ../../sv-benchmarks/c/memsafety-ext3/naturalNumbers1_false-valid-deref.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f71d27cb-d05a-4f15-bf1c-dbce0d3c314e/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f71d27cb-d05a-4f15-bf1c-dbce0d3c314e/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f71d27cb-d05a-4f15-bf1c-dbce0d3c314e/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f71d27cb-d05a-4f15-bf1c-dbce0d3c314e/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext3/naturalNumbers1_false-valid-deref.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f71d27cb-d05a-4f15-bf1c-dbce0d3c314e/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f71d27cb-d05a-4f15-bf1c-dbce0d3c314e/bin-2019/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 0.1.23-1dbac8b [2018-11-10 05:30:46,510 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:30:46,511 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:30:46,519 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:30:46,519 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:30:46,520 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:30:46,521 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:30:46,522 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:30:46,523 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:30:46,523 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:30:46,524 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:30:46,524 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:30:46,525 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:30:46,525 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:30:46,526 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:30:46,527 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:30:46,527 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:30:46,528 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:30:46,530 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:30:46,531 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:30:46,531 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:30:46,532 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:30:46,534 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:30:46,534 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:30:46,534 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:30:46,535 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:30:46,535 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:30:46,536 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:30:46,536 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:30:46,537 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:30:46,537 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:30:46,538 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:30:46,538 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:30:46,538 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:30:46,539 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:30:46,539 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:30:46,539 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f71d27cb-d05a-4f15-bf1c-dbce0d3c314e/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-11-10 05:30:46,550 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:30:46,550 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:30:46,551 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 05:30:46,551 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 05:30:46,551 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:30:46,551 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 05:30:46,551 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 05:30:46,551 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:30:46,552 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 05:30:46,552 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:30:46,552 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-10 05:30:46,552 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-10 05:30:46,552 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-10 05:30:46,552 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:30:46,552 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 05:30:46,552 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 05:30:46,553 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 05:30:46,553 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:30:46,553 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:30:46,553 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 05:30:46,553 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:30:46,553 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:30:46,553 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 05:30:46,554 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:30:46,554 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in 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_f71d27cb-d05a-4f15-bf1c-dbce0d3c314e/bin-2019/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 [2018-11-10 05:30:46,577 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:30:46,586 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:30:46,588 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:30:46,589 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:30:46,590 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:30:46,590 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f71d27cb-d05a-4f15-bf1c-dbce0d3c314e/bin-2019/ukojak/../../sv-benchmarks/c/memsafety-ext3/naturalNumbers1_false-valid-deref.c [2018-11-10 05:30:46,633 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f71d27cb-d05a-4f15-bf1c-dbce0d3c314e/bin-2019/ukojak/data/ea572726b/8f7c5bcb4bbf4390b5dd8b73782c2543/FLAGb2b0dc4d1 [2018-11-10 05:30:46,949 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:30:46,949 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f71d27cb-d05a-4f15-bf1c-dbce0d3c314e/sv-benchmarks/c/memsafety-ext3/naturalNumbers1_false-valid-deref.c [2018-11-10 05:30:46,953 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f71d27cb-d05a-4f15-bf1c-dbce0d3c314e/bin-2019/ukojak/data/ea572726b/8f7c5bcb4bbf4390b5dd8b73782c2543/FLAGb2b0dc4d1 [2018-11-10 05:30:46,960 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f71d27cb-d05a-4f15-bf1c-dbce0d3c314e/bin-2019/ukojak/data/ea572726b/8f7c5bcb4bbf4390b5dd8b73782c2543 [2018-11-10 05:30:46,962 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:30:46,963 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:30:46,964 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:30:46,964 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:30:46,967 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:30:46,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:30:46" (1/1) ... [2018-11-10 05:30:46,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fbc8502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:30:46, skipping insertion in model container [2018-11-10 05:30:46,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:30:46" (1/1) ... [2018-11-10 05:30:46,976 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:30:46,988 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:30:47,083 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:30:47,088 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:30:47,098 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:30:47,106 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:30:47,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:30:47 WrapperNode [2018-11-10 05:30:47,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:30:47,107 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:30:47,107 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:30:47,107 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:30:47,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:30:47" (1/1) ... [2018-11-10 05:30:47,116 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:30:47" (1/1) ... [2018-11-10 05:30:47,129 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:30:47,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:30:47,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:30:47,129 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:30:47,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:30:47" (1/1) ... [2018-11-10 05:30:47,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:30:47" (1/1) ... [2018-11-10 05:30:47,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:30:47" (1/1) ... [2018-11-10 05:30:47,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:30:47" (1/1) ... [2018-11-10 05:30:47,138 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:30:47" (1/1) ... [2018-11-10 05:30:47,140 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:30:47" (1/1) ... [2018-11-10 05:30:47,141 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:30:47" (1/1) ... [2018-11-10 05:30:47,142 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:30:47,142 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:30:47,142 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:30:47,142 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:30:47,143 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:30:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f71d27cb-d05a-4f15-bf1c-dbce0d3c314e/bin-2019/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 [2018-11-10 05:30:47,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:30:47,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:30:47,381 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:30:47,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:30:47 BoogieIcfgContainer [2018-11-10 05:30:47,381 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:30:47,382 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 05:30:47,382 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 05:30:47,389 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 05:30:47,390 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:30:47" (1/1) ... [2018-11-10 05:30:47,403 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:30:47,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:30:47,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2018-11-10 05:30:47,432 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2018-11-10 05:30:47,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-10 05:30:47,434 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:30:47,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:30:47,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:30:47,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:30:47,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2018-11-10 05:30:47,578 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2018-11-10 05:30:47,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-10 05:30:47,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:30:47,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:30:47,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:30:47,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:30:47,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2018-11-10 05:30:47,844 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2018-11-10 05:30:47,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 05:30:47,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:30:47,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:30:47,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:30:48,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:30:48,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 27 states and 36 transitions. [2018-11-10 05:30:48,263 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2018-11-10 05:30:48,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 05:30:48,263 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:30:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:30:48,283 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 05:30:48,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:30:48,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2018-11-10 05:30:48,565 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2018-11-10 05:30:48,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 05:30:48,565 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:30:48,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:30:48,698 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:30:49,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:30:49,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 56 transitions. [2018-11-10 05:30:49,481 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions. [2018-11-10 05:30:49,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 05:30:49,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:30:49,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:30:49,556 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:30:49,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:30:49,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 37 states and 62 transitions. [2018-11-10 05:30:49,736 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 62 transitions. [2018-11-10 05:30:49,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 05:30:49,736 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:30:49,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:30:49,786 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 05:30:49,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:30:49,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2018-11-10 05:30:49,945 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2018-11-10 05:30:49,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 05:30:49,945 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:30:49,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:30:49,983 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 05:30:50,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:30:50,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 41 states and 66 transitions. [2018-11-10 05:30:50,264 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 66 transitions. [2018-11-10 05:30:50,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 05:30:50,265 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:30:50,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:30:50,279 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-10 05:30:50,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:30:50,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 41 states and 65 transitions. [2018-11-10 05:30:50,542 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 65 transitions. [2018-11-10 05:30:50,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-10 05:30:50,543 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:30:50,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:30:50,737 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-10 05:30:51,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:30:51,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 9 states and 8 transitions. [2018-11-10 05:30:51,596 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2018-11-10 05:30:51,596 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 05:30:51,596 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2018-11-10 05:30:51,603 INFO L778 CodeCheckObserver]: All specifications hold 3 specifications checked. All of them hold [2018-11-10 05:30:51,655 INFO L582 CodeCheckObserver]: Invariant with dag size 25 [2018-11-10 05:30:51,658 WARN L1239 BoogieBacktranslator]: unknown boogie variable #length [2018-11-10 05:30:51,659 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-10 05:30:51,659 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-10 05:30:51,663 WARN L1239 BoogieBacktranslator]: unknown boogie variable #length [2018-11-10 05:30:51,663 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-10 05:30:51,663 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-10 05:30:51,664 INFO L582 CodeCheckObserver]: Invariant with dag size 3 [2018-11-10 05:30:51,664 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-10 05:30:51,664 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-10 05:30:51,665 INFO L582 CodeCheckObserver]: Invariant with dag size 6 [2018-11-10 05:30:51,665 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-10 05:30:51,665 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-10 05:30:51,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 05:30:51 ImpRootNode [2018-11-10 05:30:51,666 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 05:30:51,666 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:30:51,666 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:30:51,666 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:30:51,668 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:30:47" (3/4) ... [2018-11-10 05:30:51,671 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 05:30:51,679 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2018-11-10 05:30:51,680 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-10 05:30:51,680 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-11-10 05:30:51,680 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 05:30:51,703 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((numbers + 10 <= unknown-#length-unknown[numbers] && \valid[numbers := 0] == \old(unknown-main_\old_#valid-unknown)) && 0 == unknown-#memory_int-unknown[numbers][0]) && 0 <= numbers) && i == 0) && numbers <= 0) && 1 == \valid[numbers] [2018-11-10 05:30:51,704 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \valid[numbers := 0] == \old(unknown-main_\old_#valid-unknown) [2018-11-10 05:30:51,704 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2018-11-10 05:30:51,721 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f71d27cb-d05a-4f15-bf1c-dbce0d3c314e/bin-2019/ukojak/witness.graphml [2018-11-10 05:30:51,722 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:30:51,722 INFO L168 Benchmark]: Toolchain (without parser) took 4759.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.7 MB). Free memory was 960.3 MB in the beginning and 992.8 MB in the end (delta: -32.5 MB). Peak memory consumption was 144.2 MB. Max. memory is 11.5 GB. [2018-11-10 05:30:51,724 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:30:51,724 INFO L168 Benchmark]: CACSL2BoogieTranslator took 142.97 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:30:51,724 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.89 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 946.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:30:51,725 INFO L168 Benchmark]: Boogie Preprocessor took 12.89 ms. Allocated memory is still 1.0 GB. Free memory is still 946.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:30:51,725 INFO L168 Benchmark]: RCFGBuilder took 239.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -164.2 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-11-10 05:30:51,725 INFO L168 Benchmark]: CodeCheck took 4284.27 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 45.6 MB). Free memory was 1.1 GB in the beginning and 998.1 MB in the end (delta: 113.0 MB). Peak memory consumption was 158.6 MB. Max. memory is 11.5 GB. [2018-11-10 05:30:51,726 INFO L168 Benchmark]: Witness Printer took 55.75 ms. Allocated memory is still 1.2 GB. Free memory was 998.1 MB in the beginning and 992.8 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 11.5 GB. [2018-11-10 05:30:51,728 INFO L336 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, 15 locations, 3 error locations. SAFE Result, 4.1s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2560 SDtfs, 8052 SDslu, 7624 SDs, 0 SdLazy, 24486 SolverSat, 6378 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 909 GetRequests, 780 SyntacticMatches, 5 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6430 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 6115 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 34/43 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: 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: 3]: Loop Invariant [2018-11-10 05:30:51,730 WARN L1239 BoogieBacktranslator]: unknown boogie variable #length [2018-11-10 05:30:51,730 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-10 05:30:51,730 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-10 05:30:51,731 WARN L1239 BoogieBacktranslator]: unknown boogie variable #length [2018-11-10 05:30:51,731 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-10 05:30:51,731 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((((numbers + 10 <= unknown-#length-unknown[numbers] && \valid[numbers := 0] == \old(unknown-main_\old_#valid-unknown)) && 0 == unknown-#memory_int-unknown[numbers][0]) && 0 <= numbers) && i == 0) && numbers <= 0) && 1 == \valid[numbers] - InvariantResult [Line: 12]: Loop Invariant [2018-11-10 05:30:51,731 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-10 05:30:51,731 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid - InvariantResult [Line: 1]: Loop Invariant [2018-11-10 05:30:51,732 WARN L1239 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-11-10 05:30:51,732 WARN L1239 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 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 142.97 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.89 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 946.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.89 ms. Allocated memory is still 1.0 GB. Free memory is still 946.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 239.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -164.2 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * CodeCheck took 4284.27 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 45.6 MB). Free memory was 1.1 GB in the beginning and 998.1 MB in the end (delta: 113.0 MB). Peak memory consumption was 158.6 MB. Max. memory is 11.5 GB. * Witness Printer took 55.75 ms. Allocated memory is still 1.2 GB. Free memory was 998.1 MB in the beginning and 992.8 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - 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 #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 #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...