./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/cstrlen-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_99fb0a3f-b177-48dd-a9c1-92d34d2e6d3b/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_99fb0a3f-b177-48dd-a9c1-92d34d2e6d3b/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_99fb0a3f-b177-48dd-a9c1-92d34d2e6d3b/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_99fb0a3f-b177-48dd-a9c1-92d34d2e6d3b/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/cstrlen-alloca_true-valid-memsafety_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_99fb0a3f-b177-48dd-a9c1-92d34d2e6d3b/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_99fb0a3f-b177-48dd-a9c1-92d34d2e6d3b/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 46ac9a098c7c17e5f63698307929b277c408d664 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 12:44:12,792 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 12:44:12,793 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 12:44:12,799 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 12:44:12,799 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 12:44:12,800 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 12:44:12,800 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 12:44:12,801 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 12:44:12,802 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 12:44:12,802 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 12:44:12,803 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 12:44:12,803 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 12:44:12,803 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 12:44:12,804 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 12:44:12,804 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 12:44:12,805 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 12:44:12,805 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 12:44:12,806 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 12:44:12,807 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 12:44:12,808 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 12:44:12,808 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 12:44:12,809 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 12:44:12,810 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 12:44:12,810 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 12:44:12,810 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 12:44:12,811 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 12:44:12,811 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 12:44:12,812 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 12:44:12,812 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 12:44:12,813 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 12:44:12,813 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 12:44:12,813 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 12:44:12,813 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 12:44:12,813 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 12:44:12,814 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 12:44:12,814 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 12:44:12,814 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_99fb0a3f-b177-48dd-a9c1-92d34d2e6d3b/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-12-09 12:44:12,821 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 12:44:12,821 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 12:44:12,822 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 12:44:12,822 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 12:44:12,822 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 12:44:12,822 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 12:44:12,822 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 12:44:12,823 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 12:44:12,823 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 12:44:12,823 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 12:44:12,823 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-09 12:44:12,823 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-09 12:44:12,823 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-09 12:44:12,823 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 12:44:12,823 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 12:44:12,823 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 12:44:12,823 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 12:44:12,823 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 12:44:12,824 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 12:44:12,824 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 12:44:12,824 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 12:44:12,824 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 12:44:12,824 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 12:44:12,824 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 12:44:12,824 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 12:44:12,824 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_99fb0a3f-b177-48dd-a9c1-92d34d2e6d3b/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 -> 46ac9a098c7c17e5f63698307929b277c408d664 [2018-12-09 12:44:12,842 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 12:44:12,850 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 12:44:12,853 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 12:44:12,854 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 12:44:12,854 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 12:44:12,854 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_99fb0a3f-b177-48dd-a9c1-92d34d2e6d3b/bin-2019/ukojak/../../sv-benchmarks/c/array-memsafety/cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-12-09 12:44:12,898 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_99fb0a3f-b177-48dd-a9c1-92d34d2e6d3b/bin-2019/ukojak/data/26adc5edd/94ef39a6dd6f4760a0a6a54302440dd7/FLAG74778012e [2018-12-09 12:44:13,291 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 12:44:13,292 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_99fb0a3f-b177-48dd-a9c1-92d34d2e6d3b/sv-benchmarks/c/array-memsafety/cstrlen-alloca_true-valid-memsafety_true-termination.i [2018-12-09 12:44:13,297 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_99fb0a3f-b177-48dd-a9c1-92d34d2e6d3b/bin-2019/ukojak/data/26adc5edd/94ef39a6dd6f4760a0a6a54302440dd7/FLAG74778012e [2018-12-09 12:44:13,637 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_99fb0a3f-b177-48dd-a9c1-92d34d2e6d3b/bin-2019/ukojak/data/26adc5edd/94ef39a6dd6f4760a0a6a54302440dd7 [2018-12-09 12:44:13,639 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 12:44:13,640 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 12:44:13,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 12:44:13,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 12:44:13,643 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 12:44:13,644 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:44:13" (1/1) ... [2018-12-09 12:44:13,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c110ad3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:44:13, skipping insertion in model container [2018-12-09 12:44:13,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:44:13" (1/1) ... [2018-12-09 12:44:13,650 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 12:44:13,672 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 12:44:13,820 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:44:13,826 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 12:44:13,883 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:44:13,911 INFO L195 MainTranslator]: Completed translation [2018-12-09 12:44:13,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:44:13 WrapperNode [2018-12-09 12:44:13,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 12:44:13,912 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 12:44:13,912 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 12:44:13,912 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 12:44:13,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:44:13" (1/1) ... [2018-12-09 12:44:13,929 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:44:13" (1/1) ... [2018-12-09 12:44:13,941 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 12:44:13,941 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 12:44:13,941 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 12:44:13,942 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 12:44:13,947 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:44:13" (1/1) ... [2018-12-09 12:44:13,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:44:13" (1/1) ... [2018-12-09 12:44:13,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:44:13" (1/1) ... [2018-12-09 12:44:13,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:44:13" (1/1) ... [2018-12-09 12:44:13,951 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:44:13" (1/1) ... [2018-12-09 12:44:13,954 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:44:13" (1/1) ... [2018-12-09 12:44:13,955 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:44:13" (1/1) ... [2018-12-09 12:44:13,956 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 12:44:13,956 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 12:44:13,956 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 12:44:13,956 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 12:44:13,957 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:44:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_99fb0a3f-b177-48dd-a9c1-92d34d2e6d3b/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 12:44:13,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 12:44:13,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 12:44:13,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 12:44:13,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 12:44:13,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 12:44:13,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 12:44:14,150 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 12:44:14,150 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 12:44:14,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:44:14 BoogieIcfgContainer [2018-12-09 12:44:14,150 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 12:44:14,151 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 12:44:14,151 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 12:44:14,159 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 12:44:14,159 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:44:14" (1/1) ... [2018-12-09 12:44:14,166 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:44:14,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:44:14,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2018-12-09 12:44:14,188 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2018-12-09 12:44:14,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-12-09 12:44:14,191 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:44:14,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:44:14,274 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 12:44:14,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:44:14,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-12-09 12:44:14,299 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-12-09 12:44:14,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-12-09 12:44:14,299 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:44:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:44:14,332 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 12:44:14,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:44:14,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2018-12-09 12:44:14,392 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2018-12-09 12:44:14,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-09 12:44:14,392 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:44:14,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:44:14,417 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 12:44:14,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:44:14,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-12-09 12:44:14,436 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-12-09 12:44:14,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-09 12:44:14,436 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:44:14,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:44:14,486 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 12:44:14,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:44:14,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2018-12-09 12:44:14,576 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2018-12-09 12:44:14,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 12:44:14,576 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:44:14,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:44:14,678 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 12:44:14,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:44:14,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2018-12-09 12:44:14,943 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2018-12-09 12:44:14,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 12:44:14,944 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:44:14,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:44:14,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:44:15,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:44:15,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2018-12-09 12:44:15,056 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2018-12-09 12:44:15,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-09 12:44:15,056 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:44:15,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:44:15,133 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 12:44:15,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:44:15,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2018-12-09 12:44:15,937 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2018-12-09 12:44:15,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 12:44:15,937 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:44:15,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:44:15,948 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 12:44:16,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:44:16,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2018-12-09 12:44:16,056 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2018-12-09 12:44:16,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 12:44:16,056 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:44:16,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:44:16,257 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:44:17,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:44:17,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2018-12-09 12:44:17,570 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2018-12-09 12:44:17,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 12:44:17,571 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:44:17,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:44:17,607 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 12:44:18,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:44:18,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2018-12-09 12:44:18,105 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2018-12-09 12:44:18,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 12:44:18,106 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:44:18,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:44:18,296 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 12:44:20,123 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 29 [2018-12-09 12:44:21,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:44:21,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2018-12-09 12:44:21,007 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2018-12-09 12:44:21,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 12:44:21,008 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:44:21,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:44:21,021 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 12:44:21,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:44:21,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2018-12-09 12:44:21,473 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2018-12-09 12:44:21,473 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 12:44:21,473 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2018-12-09 12:44:21,478 INFO L779 CodeCheckObserver]: All specifications hold 5 specifications checked. All of them hold [2018-12-09 12:44:21,611 INFO L583 CodeCheckObserver]: Invariant with dag size 31 [2018-12-09 12:44:21,614 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:44:21,615 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 12:44:21,615 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:44:21,615 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-09 12:44:21,615 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 12:44:21,615 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:44:21,615 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 12:44:21,616 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:44:21,616 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-09 12:44:21,616 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 12:44:21,621 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:44:21,621 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 12:44:21,621 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:44:21,621 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-09 12:44:21,621 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 12:44:21,622 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:44:21,622 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 12:44:21,622 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:44:21,622 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-09 12:44:21,622 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 12:44:21,623 INFO L583 CodeCheckObserver]: Invariant with dag size 11 [2018-12-09 12:44:21,624 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:44:21,624 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:44:21,624 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:44:21,624 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:44:21,624 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-09 12:44:21,625 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:44:21,625 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:44:21,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 12:44:21 ImpRootNode [2018-12-09 12:44:21,625 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 12:44:21,625 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 12:44:21,625 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 12:44:21,626 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 12:44:21,626 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:44:14" (3/4) ... [2018-12-09 12:44:21,628 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 12:44:21,634 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-09 12:44:21,634 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 12:44:21,634 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 12:44:21,650 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= p && \valid[__builtin_alloca (length1 * sizeof(char)) := 0] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length1 * sizeof(char)) := \valid[__builtin_alloca (length1 * sizeof(char)) := 0][__builtin_alloca (length1 * sizeof(char))]]) && p + 1 <= unknown-#length-unknown[p]) && \valid[__builtin_alloca (length1 * sizeof(char)) := 0][__builtin_alloca (length1 * sizeof(char))] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length1 * sizeof(char))]) && 1 == \valid[p]) && 0 == unknown-#memory_int-unknown[p][unknown-#length-unknown[p] + -1]) || (((((\valid[__builtin_alloca (length1 * sizeof(char)) := 0] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length1 * sizeof(char)) := \valid[__builtin_alloca (length1 * sizeof(char)) := 0][__builtin_alloca (length1 * sizeof(char))]] && 1 <= unknown-#length-unknown[p]) && \valid[__builtin_alloca (length1 * sizeof(char)) := 0][__builtin_alloca (length1 * sizeof(char))] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length1 * sizeof(char))]) && p == 0) && 1 == \valid[p]) && 0 == unknown-#memory_int-unknown[p][unknown-#length-unknown[p] + -1]) [2018-12-09 12:44:21,650 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \valid[__builtin_alloca (length1 * sizeof(char)) := 0] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length1 * sizeof(char)) := \valid[__builtin_alloca (length1 * sizeof(char)) := 0][__builtin_alloca (length1 * sizeof(char))]] && \valid[__builtin_alloca (length1 * sizeof(char)) := 0][__builtin_alloca (length1 * sizeof(char))] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length1 * sizeof(char))] [2018-12-09 12:44:21,650 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2018-12-09 12:44:21,658 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_99fb0a3f-b177-48dd-a9c1-92d34d2e6d3b/bin-2019/ukojak/witness.graphml [2018-12-09 12:44:21,658 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 12:44:21,659 INFO L168 Benchmark]: Toolchain (without parser) took 8019.39 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 304.1 MB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -288.0 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-09 12:44:21,659 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:44:21,660 INFO L168 Benchmark]: CACSL2BoogieTranslator took 270.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -149.2 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2018-12-09 12:44:21,660 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.77 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. [2018-12-09 12:44:21,661 INFO L168 Benchmark]: Boogie Preprocessor took 14.39 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. [2018-12-09 12:44:21,661 INFO L168 Benchmark]: RCFGBuilder took 194.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-09 12:44:21,661 INFO L168 Benchmark]: CodeCheck took 7474.48 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 187.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -163.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. [2018-12-09 12:44:21,662 INFO L168 Benchmark]: Witness Printer took 32.84 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:44:21,663 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, 18 locations, 5 error locations. SAFE Result, 7.3s OverallTime, 13 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 536 SDslu, 16 SDs, 0 SdLazy, 40668 SolverSat, 19140 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 635 GetRequests, 490 SyntacticMatches, 19 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5770 ImplicationChecksByTransitivity, 6.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 67 NumberOfCodeBlocks, 67 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 55 ConstructedInterpolants, 0 QuantifiedInterpolants, 5340 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 15/27 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: 553]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 553]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 543]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 543]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 543]: Loop Invariant [2018-12-09 12:44:21,665 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:44:21,665 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 12:44:21,666 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:44:21,666 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-09 12:44:21,666 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 12:44:21,666 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:44:21,666 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 12:44:21,666 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:44:21,666 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-09 12:44:21,667 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 12:44:21,668 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:44:21,668 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 12:44:21,668 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:44:21,668 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-09 12:44:21,668 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 12:44:21,668 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:44:21,669 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 12:44:21,669 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:44:21,669 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-09 12:44:21,669 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: (((((1 <= p && \valid[__builtin_alloca (length1 * sizeof(char)) := 0] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length1 * sizeof(char)) := \valid[__builtin_alloca (length1 * sizeof(char)) := 0][__builtin_alloca (length1 * sizeof(char))]]) && p + 1 <= unknown-#length-unknown[p]) && \valid[__builtin_alloca (length1 * sizeof(char)) := 0][__builtin_alloca (length1 * sizeof(char))] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length1 * sizeof(char))]) && 1 == \valid[p]) && 0 == unknown-#memory_int-unknown[p][unknown-#length-unknown[p] + -1]) || (((((\valid[__builtin_alloca (length1 * sizeof(char)) := 0] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length1 * sizeof(char)) := \valid[__builtin_alloca (length1 * sizeof(char)) := 0][__builtin_alloca (length1 * sizeof(char))]] && 1 <= unknown-#length-unknown[p]) && \valid[__builtin_alloca (length1 * sizeof(char)) := 0][__builtin_alloca (length1 * sizeof(char))] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length1 * sizeof(char))]) && p == 0) && 1 == \valid[p]) && 0 == unknown-#memory_int-unknown[p][unknown-#length-unknown[p] + -1]) - InvariantResult [Line: 543]: Loop Invariant [2018-12-09 12:44:21,670 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:44:21,670 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:44:21,670 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:44:21,671 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \valid[__builtin_alloca (length1 * sizeof(char)) := 0] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length1 * sizeof(char)) := \valid[__builtin_alloca (length1 * sizeof(char)) := 0][__builtin_alloca (length1 * sizeof(char))]] && \valid[__builtin_alloca (length1 * sizeof(char)) := 0][__builtin_alloca (length1 * sizeof(char))] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (length1 * sizeof(char))] - InvariantResult [Line: 547]: Loop Invariant [2018-12-09 12:44:21,671 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:44:21,671 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 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 270.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -149.2 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.77 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 14.39 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 194.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * CodeCheck took 7474.48 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 187.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -163.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. * Witness Printer took 32.84 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. 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 #memory_int - 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 #memory_int - 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 #memory_int - 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 #memory_int - 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 main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid RESULT: Ultimate proved your program to be correct! Received shutdown request...