./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/stroeder2-alloca_true-valid-memsafety_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6b2776d7-12dd-41d7-8351-d885cf96a462/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6b2776d7-12dd-41d7-8351-d885cf96a462/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6b2776d7-12dd-41d7-8351-d885cf96a462/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6b2776d7-12dd-41d7-8351-d885cf96a462/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/stroeder2-alloca_true-valid-memsafety_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_6b2776d7-12dd-41d7-8351-d885cf96a462/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6b2776d7-12dd-41d7-8351-d885cf96a462/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 653582a7b000e4f324410c98077c6ee21baa5247 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 01:21:17,014 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 01:21:17,015 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 01:21:17,021 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 01:21:17,021 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 01:21:17,022 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 01:21:17,022 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 01:21:17,023 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 01:21:17,024 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 01:21:17,025 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 01:21:17,025 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 01:21:17,025 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 01:21:17,026 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 01:21:17,026 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 01:21:17,027 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 01:21:17,027 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 01:21:17,027 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 01:21:17,028 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 01:21:17,029 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 01:21:17,030 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 01:21:17,030 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 01:21:17,031 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 01:21:17,032 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 01:21:17,032 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 01:21:17,032 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 01:21:17,033 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 01:21:17,033 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 01:21:17,033 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 01:21:17,034 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 01:21:17,034 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 01:21:17,034 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 01:21:17,035 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 01:21:17,035 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 01:21:17,035 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 01:21:17,036 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 01:21:17,036 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 01:21:17,036 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6b2776d7-12dd-41d7-8351-d885cf96a462/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-12-03 01:21:17,043 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 01:21:17,044 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 01:21:17,044 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 01:21:17,044 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 01:21:17,044 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 01:21:17,045 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 01:21:17,045 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-03 01:21:17,045 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 01:21:17,045 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 01:21:17,045 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 01:21:17,045 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-03 01:21:17,045 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-03 01:21:17,045 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-03 01:21:17,045 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 01:21:17,045 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 01:21:17,045 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-03 01:21:17,046 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-03 01:21:17,046 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-03 01:21:17,046 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 01:21:17,046 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 01:21:17,046 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-03 01:21:17,046 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 01:21:17,046 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 01:21:17,046 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-03 01:21:17,046 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 01:21:17,046 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_6b2776d7-12dd-41d7-8351-d885cf96a462/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 -> 653582a7b000e4f324410c98077c6ee21baa5247 [2018-12-03 01:21:17,064 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 01:21:17,073 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 01:21:17,076 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 01:21:17,077 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 01:21:17,077 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 01:21:17,078 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6b2776d7-12dd-41d7-8351-d885cf96a462/bin-2019/ukojak/../../sv-benchmarks/c/array-memsafety/stroeder2-alloca_true-valid-memsafety_true-termination.i [2018-12-03 01:21:17,119 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6b2776d7-12dd-41d7-8351-d885cf96a462/bin-2019/ukojak/data/04317e53c/040eef7e31154612866331920366529e/FLAGab21383cb [2018-12-03 01:21:17,469 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 01:21:17,470 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6b2776d7-12dd-41d7-8351-d885cf96a462/sv-benchmarks/c/array-memsafety/stroeder2-alloca_true-valid-memsafety_true-termination.i [2018-12-03 01:21:17,475 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6b2776d7-12dd-41d7-8351-d885cf96a462/bin-2019/ukojak/data/04317e53c/040eef7e31154612866331920366529e/FLAGab21383cb [2018-12-03 01:21:17,483 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6b2776d7-12dd-41d7-8351-d885cf96a462/bin-2019/ukojak/data/04317e53c/040eef7e31154612866331920366529e [2018-12-03 01:21:17,485 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 01:21:17,485 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 01:21:17,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 01:21:17,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 01:21:17,488 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 01:21:17,488 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:21:17" (1/1) ... [2018-12-03 01:21:17,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4834854b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:17, skipping insertion in model container [2018-12-03 01:21:17,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:21:17" (1/1) ... [2018-12-03 01:21:17,494 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 01:21:17,516 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 01:21:17,666 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 01:21:17,672 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 01:21:17,731 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 01:21:17,750 INFO L195 MainTranslator]: Completed translation [2018-12-03 01:21:17,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:17 WrapperNode [2018-12-03 01:21:17,750 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 01:21:17,751 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 01:21:17,751 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 01:21:17,751 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 01:21:17,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:17" (1/1) ... [2018-12-03 01:21:17,764 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:17" (1/1) ... [2018-12-03 01:21:17,775 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 01:21:17,776 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 01:21:17,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 01:21:17,776 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 01:21:17,781 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:17" (1/1) ... [2018-12-03 01:21:17,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:17" (1/1) ... [2018-12-03 01:21:17,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:17" (1/1) ... [2018-12-03 01:21:17,783 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:17" (1/1) ... [2018-12-03 01:21:17,786 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:17" (1/1) ... [2018-12-03 01:21:17,788 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:17" (1/1) ... [2018-12-03 01:21:17,789 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:17" (1/1) ... [2018-12-03 01:21:17,790 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 01:21:17,790 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 01:21:17,790 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 01:21:17,790 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 01:21:17,791 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:21:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6b2776d7-12dd-41d7-8351-d885cf96a462/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 [2018-12-03 01:21:17,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 01:21:17,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-03 01:21:17,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-03 01:21:17,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-03 01:21:17,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 01:21:17,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 01:21:17,991 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 01:21:17,991 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-03 01:21:17,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:21:17 BoogieIcfgContainer [2018-12-03 01:21:17,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 01:21:17,992 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-03 01:21:17,992 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-03 01:21:17,998 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-03 01:21:17,998 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:21:17" (1/1) ... [2018-12-03 01:21:18,005 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:21:18,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:21:18,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2018-12-03 01:21:18,025 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2018-12-03 01:21:18,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-03 01:21:18,028 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:21:18,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:21:18,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:21:18,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:21:18,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2018-12-03 01:21:18,164 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2018-12-03 01:21:18,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-03 01:21:18,164 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:21:18,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:21:18,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:21:18,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:21:18,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-12-03 01:21:18,355 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-12-03 01:21:18,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-03 01:21:18,355 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:21:18,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:21:18,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:21:18,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:21:18,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2018-12-03 01:21:18,463 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2018-12-03 01:21:18,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-03 01:21:18,463 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:21:18,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:21:18,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:21:18,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:21:18,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-12-03 01:21:18,526 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-12-03 01:21:18,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-03 01:21:18,527 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:21:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:21:18,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:21:18,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:21:18,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2018-12-03 01:21:18,611 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2018-12-03 01:21:18,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-03 01:21:18,611 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:21:18,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:21:18,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:21:18,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:21:18,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2018-12-03 01:21:18,630 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2018-12-03 01:21:18,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-03 01:21:18,630 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:21:18,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:21:18,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:21:18,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:21:18,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2018-12-03 01:21:18,693 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2018-12-03 01:21:18,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-03 01:21:18,693 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:21:18,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:21:18,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-03 01:21:19,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:21:19,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 23 states and 38 transitions. [2018-12-03 01:21:19,474 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 38 transitions. [2018-12-03 01:21:19,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-03 01:21:19,475 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:21:19,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:21:19,527 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:21:19,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:21:19,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 26 states and 44 transitions. [2018-12-03 01:21:19,924 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 44 transitions. [2018-12-03 01:21:19,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-03 01:21:19,925 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:21:19,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:21:20,113 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:21:21,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:21:21,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 30 states and 57 transitions. [2018-12-03 01:21:21,340 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 57 transitions. [2018-12-03 01:21:21,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-03 01:21:21,341 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:21:21,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:21:21,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-03 01:21:21,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:21:21,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 31 states and 57 transitions. [2018-12-03 01:21:21,693 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 57 transitions. [2018-12-03 01:21:21,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-03 01:21:21,694 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:21:21,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:21:21,716 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:21:21,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:21:21,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 32 states and 58 transitions. [2018-12-03 01:21:21,815 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 58 transitions. [2018-12-03 01:21:21,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-03 01:21:21,816 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:21:21,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:21:21,906 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:21:22,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:21:22,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 35 states and 66 transitions. [2018-12-03 01:21:22,780 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 66 transitions. [2018-12-03 01:21:22,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-03 01:21:22,781 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:21:22,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:21:22,810 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-03 01:21:22,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:21:22,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 37 states and 68 transitions. [2018-12-03 01:21:22,970 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 68 transitions. [2018-12-03 01:21:22,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-03 01:21:22,971 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:21:22,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:21:22,986 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-03 01:21:23,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:21:23,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 40 states and 71 transitions. [2018-12-03 01:21:23,513 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 71 transitions. [2018-12-03 01:21:23,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-03 01:21:23,514 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:21:23,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:21:23,545 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-03 01:21:23,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:21:23,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 41 states and 75 transitions. [2018-12-03 01:21:23,750 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 75 transitions. [2018-12-03 01:21:23,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-03 01:21:23,751 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:21:23,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:21:23,792 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:21:24,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:21:24,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 44 states and 81 transitions. [2018-12-03 01:21:24,307 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 81 transitions. [2018-12-03 01:21:24,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-03 01:21:24,308 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:21:24,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:21:24,320 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-03 01:21:24,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:21:24,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-12-03 01:21:24,743 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-12-03 01:21:24,744 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 01:21:24,744 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 19 iterations. [2018-12-03 01:21:24,755 INFO L779 CodeCheckObserver]: All specifications hold 7 specifications checked. All of them hold [2018-12-03 01:21:24,846 INFO L583 CodeCheckObserver]: Invariant with dag size 30 [2018-12-03 01:21:24,850 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-03 01:21:24,851 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-03 01:21:24,851 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-03 01:21:24,851 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-03 01:21:24,855 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-03 01:21:24,855 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-03 01:21:24,856 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-03 01:21:24,856 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-03 01:21:24,856 INFO L583 CodeCheckObserver]: Invariant with dag size 33 [2018-12-03 01:21:24,857 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-03 01:21:24,857 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-03 01:21:24,857 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-03 01:21:24,858 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-03 01:21:24,858 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-03 01:21:24,858 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-03 01:21:24,859 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-03 01:21:24,859 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-03 01:21:24,859 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-03 01:21:24,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:21:24 ImpRootNode [2018-12-03 01:21:24,859 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-03 01:21:24,860 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 01:21:24,860 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 01:21:24,860 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 01:21:24,860 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:21:17" (3/4) ... [2018-12-03 01:21:24,863 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 01:21:24,868 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-12-03 01:21:24,868 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-03 01:21:24,869 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-03 01:21:24,884 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \valid[__builtin_alloca (array_size * sizeof(int)) := 0][__builtin_alloca (array_size * sizeof(int))]] && 4 * array_size <= unknown-#length-unknown[numbers]) && numbers == 0) && 1 == \valid[numbers]) && 2 <= numbers + 4 * i) || (((((\old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \valid[__builtin_alloca (array_size * sizeof(int)) := 0][__builtin_alloca (array_size * sizeof(int))]] && 4 * array_size <= unknown-#length-unknown[numbers]) && numbers == 0) && 1 == \valid[numbers]) && i == 0) && 1 <= array_size) [2018-12-03 01:21:24,885 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \valid[__builtin_alloca (array_size * sizeof(int)) := 0][__builtin_alloca (array_size * sizeof(int))]] && 0 < p + 1) && 4 * array_size <= unknown-#length-unknown[numbers]) && numbers == 0) && 0 <= numbers + 4 * i + 2) && p == numbers) && \valid[p] == 1) && p + 1 <= unknown-#length-unknown[p] [2018-12-03 01:21:24,885 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2018-12-03 01:21:24,895 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6b2776d7-12dd-41d7-8351-d885cf96a462/bin-2019/ukojak/witness.graphml [2018-12-03 01:21:24,895 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 01:21:24,896 INFO L168 Benchmark]: Toolchain (without parser) took 7411.04 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 252.7 MB). Free memory was 954.9 MB in the beginning and 783.1 MB in the end (delta: 171.8 MB). Peak memory consumption was 424.5 MB. Max. memory is 11.5 GB. [2018-12-03 01:21:24,897 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 01:21:24,897 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.65 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.1 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -117.1 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-03 01:21:24,897 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.78 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 01:21:24,898 INFO L168 Benchmark]: Boogie Preprocessor took 14.30 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 01:21:24,898 INFO L168 Benchmark]: RCFGBuilder took 201.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2018-12-03 01:21:24,898 INFO L168 Benchmark]: CodeCheck took 6867.81 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 163.6 MB). Free memory was 1.0 GB in the beginning and 792.6 MB in the end (delta: 252.9 MB). Peak memory consumption was 416.5 MB. Max. memory is 11.5 GB. [2018-12-03 01:21:24,899 INFO L168 Benchmark]: Witness Printer took 35.72 ms. Allocated memory is still 1.3 GB. Free memory was 792.6 MB in the beginning and 783.1 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2018-12-03 01:21:24,900 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, 24 locations, 7 error locations. SAFE Result, 6.7s OverallTime, 19 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 299008 SDtfs, 228948 SDslu, 430960 SDs, 0 SdLazy, 4300484 SolverSat, 1540480 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1360 GetRequests, 1195 SyntacticMatches, 29 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7478 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 132 NumberOfCodeBlocks, 132 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 114 ConstructedInterpolants, 0 QuantifiedInterpolants, 8982 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 12 PerfectInterpolantSequences, 19/33 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: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 555]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold - InvariantResult [Line: 545]: Loop Invariant [2018-12-03 01:21:24,901 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-03 01:21:24,902 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-03 01:21:24,902 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-03 01:21:24,902 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-03 01:21:24,903 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-03 01:21:24,903 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-03 01:21:24,903 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-03 01:21:24,904 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: ((((\old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \valid[__builtin_alloca (array_size * sizeof(int)) := 0][__builtin_alloca (array_size * sizeof(int))]] && 4 * array_size <= unknown-#length-unknown[numbers]) && numbers == 0) && 1 == \valid[numbers]) && 2 <= numbers + 4 * i) || (((((\old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \valid[__builtin_alloca (array_size * sizeof(int)) := 0][__builtin_alloca (array_size * sizeof(int))]] && 4 * array_size <= unknown-#length-unknown[numbers]) && numbers == 0) && 1 == \valid[numbers]) && i == 0) && 1 <= array_size) - InvariantResult [Line: 548]: Loop Invariant [2018-12-03 01:21:24,904 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-03 01:21:24,905 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-03 01:21:24,905 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-03 01:21:24,905 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-03 01:21:24,906 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-03 01:21:24,906 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: ((((((\old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \valid[__builtin_alloca (array_size * sizeof(int)) := 0][__builtin_alloca (array_size * sizeof(int))]] && 0 < p + 1) && 4 * array_size <= unknown-#length-unknown[numbers]) && numbers == 0) && 0 <= numbers + 4 * i + 2) && p == numbers) && \valid[p] == 1) && p + 1 <= unknown-#length-unknown[p] - InvariantResult [Line: 555]: Loop Invariant [2018-12-03 01:21:24,906 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-03 01:21:24,906 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid * 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 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 264.65 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.1 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -117.1 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.78 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.30 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 201.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * CodeCheck took 6867.81 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 163.6 MB). Free memory was 1.0 GB in the beginning and 792.6 MB in the end (delta: 252.9 MB). Peak memory consumption was 416.5 MB. Max. memory is 11.5 GB. * Witness Printer took 35.72 ms. Allocated memory is still 1.3 GB. Free memory was 792.6 MB in the beginning and 783.1 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 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 #length - 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 #length - 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 #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - 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 #length - 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 #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - 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...