./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/array02-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_2233ed72-af57-43f3-9c4e-39eb43ca7cbd/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2233ed72-af57-43f3-9c4e-39eb43ca7cbd/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2233ed72-af57-43f3-9c4e-39eb43ca7cbd/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2233ed72-af57-43f3-9c4e-39eb43ca7cbd/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/array02-alloca_true-valid-memsafety_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_2233ed72-af57-43f3-9c4e-39eb43ca7cbd/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2233ed72-af57-43f3-9c4e-39eb43ca7cbd/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 f42aa215a16d5e0efb670a585ba0238849a32fc4 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 16:36:56,835 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 16:36:56,836 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 16:36:56,842 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 16:36:56,842 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 16:36:56,843 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 16:36:56,843 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 16:36:56,844 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 16:36:56,845 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 16:36:56,845 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 16:36:56,846 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 16:36:56,846 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 16:36:56,846 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 16:36:56,847 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 16:36:56,847 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 16:36:56,848 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 16:36:56,848 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 16:36:56,849 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 16:36:56,850 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 16:36:56,851 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 16:36:56,851 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 16:36:56,852 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 16:36:56,853 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 16:36:56,853 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 16:36:56,853 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 16:36:56,854 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 16:36:56,854 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 16:36:56,855 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 16:36:56,855 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 16:36:56,855 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 16:36:56,856 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 16:36:56,856 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 16:36:56,856 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 16:36:56,856 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 16:36:56,857 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 16:36:56,857 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 16:36:56,857 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2233ed72-af57-43f3-9c4e-39eb43ca7cbd/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-12-09 16:36:56,865 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 16:36:56,865 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 16:36:56,865 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 16:36:56,865 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 16:36:56,866 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 16:36:56,866 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 16:36:56,866 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 16:36:56,866 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 16:36:56,866 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 16:36:56,866 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 16:36:56,866 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-09 16:36:56,866 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-09 16:36:56,866 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-09 16:36:56,866 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 16:36:56,866 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 16:36:56,867 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 16:36:56,867 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 16:36:56,867 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 16:36:56,867 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 16:36:56,867 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 16:36:56,867 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 16:36:56,867 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 16:36:56,867 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 16:36:56,867 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 16:36:56,867 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 16:36:56,867 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_2233ed72-af57-43f3-9c4e-39eb43ca7cbd/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 -> f42aa215a16d5e0efb670a585ba0238849a32fc4 [2018-12-09 16:36:56,886 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 16:36:56,894 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 16:36:56,897 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 16:36:56,898 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 16:36:56,898 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 16:36:56,898 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2233ed72-af57-43f3-9c4e-39eb43ca7cbd/bin-2019/ukojak/../../sv-benchmarks/c/array-memsafety/array02-alloca_true-valid-memsafety_true-termination.i [2018-12-09 16:36:56,935 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2233ed72-af57-43f3-9c4e-39eb43ca7cbd/bin-2019/ukojak/data/894f7667a/9dd20dfb1ce64a47911491cfeb0c64d6/FLAG4fc500929 [2018-12-09 16:36:57,388 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 16:36:57,389 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2233ed72-af57-43f3-9c4e-39eb43ca7cbd/sv-benchmarks/c/array-memsafety/array02-alloca_true-valid-memsafety_true-termination.i [2018-12-09 16:36:57,395 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2233ed72-af57-43f3-9c4e-39eb43ca7cbd/bin-2019/ukojak/data/894f7667a/9dd20dfb1ce64a47911491cfeb0c64d6/FLAG4fc500929 [2018-12-09 16:36:57,765 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2233ed72-af57-43f3-9c4e-39eb43ca7cbd/bin-2019/ukojak/data/894f7667a/9dd20dfb1ce64a47911491cfeb0c64d6 [2018-12-09 16:36:57,768 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 16:36:57,769 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 16:36:57,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 16:36:57,770 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 16:36:57,773 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 16:36:57,774 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:36:57" (1/1) ... [2018-12-09 16:36:57,776 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25c26117 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:36:57, skipping insertion in model container [2018-12-09 16:36:57,777 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:36:57" (1/1) ... [2018-12-09 16:36:57,783 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 16:36:57,807 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 16:36:57,944 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 16:36:57,950 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 16:36:58,003 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 16:36:58,022 INFO L195 MainTranslator]: Completed translation [2018-12-09 16:36:58,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:36:58 WrapperNode [2018-12-09 16:36:58,022 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 16:36:58,023 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 16:36:58,023 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 16:36:58,023 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 16:36:58,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:36:58" (1/1) ... [2018-12-09 16:36:58,036 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:36:58" (1/1) ... [2018-12-09 16:36:58,047 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 16:36:58,048 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 16:36:58,048 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 16:36:58,048 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 16:36:58,053 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:36:58" (1/1) ... [2018-12-09 16:36:58,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:36:58" (1/1) ... [2018-12-09 16:36:58,055 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:36:58" (1/1) ... [2018-12-09 16:36:58,055 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:36:58" (1/1) ... [2018-12-09 16:36:58,058 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:36:58" (1/1) ... [2018-12-09 16:36:58,060 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:36:58" (1/1) ... [2018-12-09 16:36:58,061 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:36:58" (1/1) ... [2018-12-09 16:36:58,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 16:36:58,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 16:36:58,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 16:36:58,063 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 16:36:58,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:36:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2233ed72-af57-43f3-9c4e-39eb43ca7cbd/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 [2018-12-09 16:36:58,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 16:36:58,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 16:36:58,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 16:36:58,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 16:36:58,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 16:36:58,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 16:36:58,278 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 16:36:58,279 INFO L280 CfgBuilder]: Removed 9 assue(true) statements. [2018-12-09 16:36:58,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:36:58 BoogieIcfgContainer [2018-12-09 16:36:58,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 16:36:58,279 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 16:36:58,280 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 16:36:58,286 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 16:36:58,286 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:36:58" (1/1) ... [2018-12-09 16:36:58,293 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:36:58,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:36:58,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2018-12-09 16:36:58,313 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2018-12-09 16:36:58,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-09 16:36:58,316 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:36:58,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:36:58,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:36:58,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:36:58,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2018-12-09 16:36:58,429 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2018-12-09 16:36:58,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-09 16:36:58,429 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:36:58,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:36:58,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:36:58,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:36:58,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions. [2018-12-09 16:36:58,605 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2018-12-09 16:36:58,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-09 16:36:58,605 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:36:58,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:36:58,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:36:58,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:36:58,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 40 transitions. [2018-12-09 16:36:58,714 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2018-12-09 16:36:58,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 16:36:58,714 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:36:58,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:36:58,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:36:58,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:36:58,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 38 transitions. [2018-12-09 16:36:58,734 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2018-12-09 16:36:58,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 16:36:58,734 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:36:58,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:36:58,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:36:58,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:36:58,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 37 transitions. [2018-12-09 16:36:58,899 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2018-12-09 16:36:58,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 16:36:58,900 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:36:58,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:36:58,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:36:58,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:36:58,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2018-12-09 16:36:58,921 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2018-12-09 16:36:58,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 16:36:58,921 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:36:58,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:36:58,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:36:58,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:36:58,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2018-12-09 16:36:58,972 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2018-12-09 16:36:58,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-09 16:36:58,973 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:36:58,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:36:58,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:36:58,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:36:58,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2018-12-09 16:36:58,998 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2018-12-09 16:36:58,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-09 16:36:58,998 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:36:59,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:36:59,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:36:59,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:36:59,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2018-12-09 16:36:59,029 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2018-12-09 16:36:59,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 16:36:59,029 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:36:59,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:36:59,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:36:59,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:36:59,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2018-12-09 16:36:59,054 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2018-12-09 16:36:59,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 16:36:59,054 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:36:59,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:36:59,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:36:59,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:36:59,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2018-12-09 16:36:59,087 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2018-12-09 16:36:59,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 16:36:59,087 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:36:59,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:36:59,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:36:59,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:36:59,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2018-12-09 16:36:59,164 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2018-12-09 16:36:59,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 16:36:59,165 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:36:59,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:36:59,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:36:59,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:36:59,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2018-12-09 16:36:59,184 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2018-12-09 16:36:59,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 16:36:59,185 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:36:59,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:36:59,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:36:59,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:36:59,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2018-12-09 16:36:59,212 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2018-12-09 16:36:59,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 16:36:59,212 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:36:59,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:36:59,221 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:36:59,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:36:59,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2018-12-09 16:36:59,225 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2018-12-09 16:36:59,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 16:36:59,225 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:36:59,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:36:59,288 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:36:59,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:36:59,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2018-12-09 16:36:59,493 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2018-12-09 16:36:59,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 16:36:59,494 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:36:59,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:36:59,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 16:37:00,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:37:00,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2018-12-09 16:37:00,007 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2018-12-09 16:37:00,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 16:37:00,007 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:37:00,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:37:00,024 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 16:37:00,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:37:00,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2018-12-09 16:37:00,382 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2018-12-09 16:37:00,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 16:37:00,382 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:37:00,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:37:00,395 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 16:37:00,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:37:00,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 58 transitions. [2018-12-09 16:37:00,476 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2018-12-09 16:37:00,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 16:37:00,476 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:37:00,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:37:00,486 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 16:37:00,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:37:00,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 41 states and 62 transitions. [2018-12-09 16:37:00,498 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 62 transitions. [2018-12-09 16:37:00,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 16:37:00,498 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:37:00,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:37:00,508 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 16:37:00,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:37:00,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2018-12-09 16:37:00,571 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-12-09 16:37:00,571 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 16:37:00,571 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 22 iterations. [2018-12-09 16:37:00,577 INFO L779 CodeCheckObserver]: All specifications hold 13 specifications checked. All of them hold [2018-12-09 16:37:00,647 INFO L583 CodeCheckObserver]: Invariant with dag size 26 [2018-12-09 16:37:00,650 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 16:37:00,650 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 16:37:00,650 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 16:37:00,654 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 16:37:00,654 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 16:37:00,654 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 16:37:00,655 INFO L583 CodeCheckObserver]: Invariant with dag size 23 [2018-12-09 16:37:00,655 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 16:37:00,655 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 16:37:00,655 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 16:37:00,656 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 16:37:00,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 04:37:00 ImpRootNode [2018-12-09 16:37:00,656 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 16:37:00,656 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 16:37:00,656 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 16:37:00,656 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 16:37:00,657 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:36:58" (3/4) ... [2018-12-09 16:37:00,659 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 16:37:00,664 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-12-09 16:37:00,664 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-09 16:37:00,664 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 16:37:00,665 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 16:37:00,680 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((a == 0 && 4 * N <= unknown-#length-unknown[a]) && 0 <= 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))]]) && 1 == \valid[a] [2018-12-09 16:37:00,680 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((a == 0 && 4 * N <= unknown-#length-unknown[a]) && 0 <= i) && 4 * i + 4 <= unknown-#length-unknown[a]) && \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))]]) && 1 == \valid[a] [2018-12-09 16:37:00,694 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2233ed72-af57-43f3-9c4e-39eb43ca7cbd/bin-2019/ukojak/witness.graphml [2018-12-09 16:37:00,694 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 16:37:00,695 INFO L168 Benchmark]: Toolchain (without parser) took 2926.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 206.0 MB). Free memory was 956.0 MB in the beginning and 933.1 MB in the end (delta: 22.8 MB). Peak memory consumption was 228.9 MB. Max. memory is 11.5 GB. [2018-12-09 16:37:00,696 INFO L168 Benchmark]: CDTParser took 0.13 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. [2018-12-09 16:37:00,696 INFO L168 Benchmark]: CACSL2BoogieTranslator took 252.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -162.1 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-09 16:37:00,696 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.71 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. [2018-12-09 16:37:00,697 INFO L168 Benchmark]: Boogie Preprocessor took 14.59 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. [2018-12-09 16:37:00,697 INFO L168 Benchmark]: RCFGBuilder took 216.76 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: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 11.5 GB. [2018-12-09 16:37:00,697 INFO L168 Benchmark]: CodeCheck took 2376.52 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 72.9 MB). Free memory was 1.1 GB in the beginning and 941.0 MB in the end (delta: 142.8 MB). Peak memory consumption was 215.6 MB. Max. memory is 11.5 GB. [2018-12-09 16:37:00,697 INFO L168 Benchmark]: Witness Printer took 37.85 ms. Allocated memory is still 1.2 GB. Free memory was 941.0 MB in the beginning and 933.1 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 11.5 GB. [2018-12-09 16:37:00,699 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, 35 locations, 13 error locations. SAFE Result, 2.2s OverallTime, 22 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4476928 SDtfs, 3825334 SDslu, 5589060 SDs, 0 SdLazy, 29726214 SolverSat, 10467488 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1366 GetRequests, 1228 SyntacticMatches, 64 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2342 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 157 NumberOfCodeBlocks, 157 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 136 ConstructedInterpolants, 0 QuantifiedInterpolants, 12072 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 17 PerfectInterpolantSequences, 16/21 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: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 556]: all allocated memory was freed For all program executions holds that all allocated memory was freed 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: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 551]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 551]: 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: 551]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 551]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 13 specifications checked. All of them hold - InvariantResult [Line: 546]: Loop Invariant [2018-12-09 16:37:00,700 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 16:37:00,700 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 16:37:00,700 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 16:37:00,700 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 16:37:00,700 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 16:37:00,700 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: ((((a == 0 && 4 * N <= unknown-#length-unknown[a]) && 0 <= i) && 4 * i + 4 <= unknown-#length-unknown[a]) && \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))]]) && 1 == \valid[a] - InvariantResult [Line: 545]: Loop Invariant [2018-12-09 16:37:00,701 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 16:37:00,701 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 16:37:00,701 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 16:37:00,701 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: (((a == 0 && 4 * N <= unknown-#length-unknown[a]) && 0 <= 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))]]) && 1 == \valid[a] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 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 252.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -162.1 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.71 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 14.59 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 216.76 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: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 11.5 GB. * CodeCheck took 2376.52 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 72.9 MB). Free memory was 1.1 GB in the beginning and 941.0 MB in the end (delta: 142.8 MB). Peak memory consumption was 215.6 MB. Max. memory is 11.5 GB. * Witness Printer took 37.85 ms. Allocated memory is still 1.2 GB. Free memory was 941.0 MB in the beginning and 933.1 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 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 #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 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 #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 RESULT: Ultimate proved your program to be correct! Received shutdown request...