./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_57854a82-e6db-43e2-be9d-6bca42a0c058/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_57854a82-e6db-43e2-be9d-6bca42a0c058/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_57854a82-e6db-43e2-be9d-6bca42a0c058/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_57854a82-e6db-43e2-be9d-6bca42a0c058/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c -s /tmp/vcloud-vcloud-master/worker/run_dir_57854a82-e6db-43e2-be9d-6bca42a0c058/bin/ukojak/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_57854a82-e6db-43e2-be9d-6bca42a0c058/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3f34751565a9d43a481fab038d13037e70cdccbf ................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-03 11:20:02,804 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 11:20:02,807 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 11:20:02,891 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 11:20:02,891 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 11:20:02,893 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 11:20:02,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 11:20:02,897 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 11:20:02,900 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 11:20:02,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 11:20:02,902 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 11:20:02,904 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 11:20:02,905 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 11:20:02,906 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 11:20:02,907 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 11:20:02,909 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 11:20:02,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 11:20:02,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 11:20:02,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 11:20:02,916 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 11:20:02,919 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 11:20:02,920 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 11:20:02,922 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 11:20:02,923 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 11:20:02,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 11:20:02,928 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 11:20:02,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 11:20:02,929 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 11:20:02,930 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 11:20:02,931 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 11:20:02,932 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 11:20:02,933 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 11:20:02,934 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 11:20:02,938 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 11:20:02,940 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 11:20:02,941 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 11:20:02,942 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 11:20:02,942 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 11:20:02,943 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 11:20:02,944 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 11:20:02,945 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 11:20:02,948 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_57854a82-e6db-43e2-be9d-6bca42a0c058/bin/ukojak/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2020-12-03 11:20:02,988 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 11:20:02,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 11:20:02,990 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-03 11:20:02,990 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-03 11:20:02,990 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 11:20:02,991 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-03 11:20:02,991 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-03 11:20:02,991 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 11:20:02,991 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-03 11:20:02,992 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-03 11:20:02,993 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-03 11:20:02,993 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 11:20:02,993 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 11:20:02,994 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-03 11:20:02,994 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-03 11:20:02,994 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 11:20:02,995 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-03 11:20:02,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-03 11:20:02,995 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 11:20:02,995 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 11:20:02,996 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-03 11:20:02,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-03 11:20:02,996 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_57854a82-e6db-43e2-be9d-6bca42a0c058/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_57854a82-e6db-43e2-be9d-6bca42a0c058/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f34751565a9d43a481fab038d13037e70cdccbf [2020-12-03 11:20:03,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 11:20:03,288 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 11:20:03,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 11:20:03,292 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 11:20:03,293 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 11:20:03,294 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_57854a82-e6db-43e2-be9d-6bca42a0c058/bin/ukojak/../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c [2020-12-03 11:20:03,357 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_57854a82-e6db-43e2-be9d-6bca42a0c058/bin/ukojak/data/4e5a1a84b/5c4f1ac0405d4494a5e8bf3a2848c7aa/FLAG4b36523ad [2020-12-03 11:20:03,855 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 11:20:03,856 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_57854a82-e6db-43e2-be9d-6bca42a0c058/sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c [2020-12-03 11:20:03,864 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_57854a82-e6db-43e2-be9d-6bca42a0c058/bin/ukojak/data/4e5a1a84b/5c4f1ac0405d4494a5e8bf3a2848c7aa/FLAG4b36523ad [2020-12-03 11:20:04,215 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_57854a82-e6db-43e2-be9d-6bca42a0c058/bin/ukojak/data/4e5a1a84b/5c4f1ac0405d4494a5e8bf3a2848c7aa [2020-12-03 11:20:04,218 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 11:20:04,219 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 11:20:04,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 11:20:04,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 11:20:04,224 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 11:20:04,225 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 11:20:04" (1/1) ... [2020-12-03 11:20:04,227 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32a3ab9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:20:04, skipping insertion in model container [2020-12-03 11:20:04,227 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 11:20:04" (1/1) ... [2020-12-03 11:20:04,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 11:20:04,247 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 11:20:04,461 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 11:20:04,489 INFO L203 MainTranslator]: Completed pre-run [2020-12-03 11:20:04,508 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 11:20:04,530 INFO L208 MainTranslator]: Completed translation [2020-12-03 11:20:04,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:20:04 WrapperNode [2020-12-03 11:20:04,533 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-03 11:20:04,535 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-03 11:20:04,535 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-03 11:20:04,536 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-03 11:20:04,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:20:04" (1/1) ... [2020-12-03 11:20:04,555 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:20:04" (1/1) ... [2020-12-03 11:20:04,575 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-03 11:20:04,575 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-03 11:20:04,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-03 11:20:04,576 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-03 11:20:04,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:20:04" (1/1) ... [2020-12-03 11:20:04,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:20:04" (1/1) ... [2020-12-03 11:20:04,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:20:04" (1/1) ... [2020-12-03 11:20:04,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:20:04" (1/1) ... [2020-12-03 11:20:04,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:20:04" (1/1) ... [2020-12-03 11:20:04,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:20:04" (1/1) ... [2020-12-03 11:20:04,603 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:20:04" (1/1) ... [2020-12-03 11:20:04,605 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-03 11:20:04,606 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-03 11:20:04,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-03 11:20:04,607 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-03 11:20:04,608 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 11:20:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_57854a82-e6db-43e2-be9d-6bca42a0c058/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-03 11:20:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-03 11:20:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-03 11:20:04,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-03 11:20:04,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-03 11:20:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-03 11:20:04,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-03 11:20:04,921 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-03 11:20:04,921 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-12-03 11:20:04,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 11:20:04 BoogieIcfgContainer [2020-12-03 11:20:04,924 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-03 11:20:04,925 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-03 11:20:04,925 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-03 11:20:04,936 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-03 11:20:04,936 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 11:20:04" (1/1) ... [2020-12-03 11:20:04,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 11:20:05,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:20:05,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2020-12-03 11:20:05,014 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2020-12-03 11:20:05,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2020-12-03 11:20:05,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:20:05,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:20:05,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:20:05,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:20:05,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2020-12-03 11:20:05,342 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2020-12-03 11:20:05,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2020-12-03 11:20:05,343 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:20:05,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:20:05,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:20:05,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:20:05,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2020-12-03 11:20:05,571 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2020-12-03 11:20:05,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-03 11:20:05,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:20:05,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:20:05,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:20:05,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:20:05,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2020-12-03 11:20:05,645 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2020-12-03 11:20:05,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-03 11:20:05,645 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:20:05,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:20:05,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:20:05,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:20:05,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2020-12-03 11:20:05,755 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2020-12-03 11:20:05,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-03 11:20:05,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:20:05,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:20:05,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:20:06,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:20:06,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2020-12-03 11:20:06,050 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2020-12-03 11:20:06,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-03 11:20:06,050 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:20:06,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:20:06,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:20:06,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:20:06,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2020-12-03 11:20:06,387 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2020-12-03 11:20:06,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-03 11:20:06,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:20:06,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:20:06,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:20:06,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:20:06,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions. [2020-12-03 11:20:06,431 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2020-12-03 11:20:06,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-03 11:20:06,432 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:20:06,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:20:06,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:20:06,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:20:06,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2020-12-03 11:20:06,473 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2020-12-03 11:20:06,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-03 11:20:06,474 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:20:06,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:20:06,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:20:06,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:20:06,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions. [2020-12-03 11:20:06,713 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2020-12-03 11:20:06,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-03 11:20:06,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:20:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:20:06,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:20:06,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:20:06,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2020-12-03 11:20:06,850 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2020-12-03 11:20:06,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-03 11:20:06,850 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:20:06,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:20:06,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:20:07,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:20:07,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2020-12-03 11:20:07,832 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2020-12-03 11:20:07,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-03 11:20:07,838 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:20:07,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:20:07,880 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-03 11:20:08,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:20:08,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2020-12-03 11:20:08,086 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2020-12-03 11:20:08,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-03 11:20:08,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:20:08,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:20:08,111 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-03 11:20:08,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:20:08,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2020-12-03 11:20:08,128 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2020-12-03 11:20:08,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-03 11:20:08,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:20:08,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:20:08,150 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-03 11:20:08,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:20:08,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2020-12-03 11:20:08,329 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2020-12-03 11:20:08,329 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-03 11:20:08,330 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 15 iterations. [2020-12-03 11:20:08,336 INFO L765 CodeCheckObserver]: All specifications hold 10 specifications checked. All of them hold [2020-12-03 11:20:08,468 INFO L569 CodeCheckObserver]: Invariant with dag size 20 [2020-12-03 11:20:08,474 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-03 11:20:08,474 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-03 11:20:08,475 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-12-03 11:20:08,479 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-03 11:20:08,479 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-03 11:20:08,480 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-12-03 11:20:08,481 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-12-03 11:20:08,481 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-03 11:20:08,481 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-03 11:20:08,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 11:20:08 ImpRootNode [2020-12-03 11:20:08,482 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-03 11:20:08,482 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-03 11:20:08,482 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-03 11:20:08,483 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-03 11:20:08,483 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 11:20:04" (3/4) ... [2020-12-03 11:20:08,486 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-03 11:20:08,502 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-12-03 11:20:08,503 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-03 11:20:08,503 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-03 11:20:08,535 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((p == 0 && \valid[p := 0] == \old(unknown-main_\old_#valid-unknown)) && p + 4 <= unknown-#length-unknown[p]) && p + 1 <= unknown-#StackHeapBarrier-unknown) && \valid[p] == 1 [2020-12-03 11:20:08,535 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2020-12-03 11:20:08,551 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_57854a82-e6db-43e2-be9d-6bca42a0c058/bin/ukojak/witness.graphml [2020-12-03 11:20:08,551 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-03 11:20:08,554 INFO L168 Benchmark]: Toolchain (without parser) took 4332.58 ms. Allocated memory was 88.1 MB in the beginning and 134.2 MB in the end (delta: 46.1 MB). Free memory was 58.9 MB in the beginning and 110.9 MB in the end (delta: -52.0 MB). Peak memory consumption was 60.3 MB. Max. memory is 16.1 GB. [2020-12-03 11:20:08,554 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 88.1 MB. Free memory was 45.6 MB in the beginning and 45.5 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 11:20:08,555 INFO L168 Benchmark]: CACSL2BoogieTranslator took 312.32 ms. Allocated memory is still 88.1 MB. Free memory was 58.7 MB in the beginning and 66.9 MB in the end (delta: -8.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-03 11:20:08,556 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.71 ms. Allocated memory is still 88.1 MB. Free memory was 66.9 MB in the beginning and 65.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 11:20:08,557 INFO L168 Benchmark]: Boogie Preprocessor took 29.96 ms. Allocated memory is still 88.1 MB. Free memory was 65.7 MB in the beginning and 64.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-03 11:20:08,557 INFO L168 Benchmark]: RCFGBuilder took 317.55 ms. Allocated memory is still 88.1 MB. Free memory was 64.6 MB in the beginning and 50.5 MB in the end (delta: 14.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-03 11:20:08,558 INFO L168 Benchmark]: CodeCheck took 3557.31 ms. Allocated memory was 88.1 MB in the beginning and 134.2 MB in the end (delta: 46.1 MB). Free memory was 50.2 MB in the beginning and 48.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 48.6 MB. Max. memory is 16.1 GB. [2020-12-03 11:20:08,559 INFO L168 Benchmark]: Witness Printer took 68.86 ms. Allocated memory is still 134.2 MB. Free memory was 48.1 MB in the beginning and 110.9 MB in the end (delta: -62.8 MB). Peak memory consumption was 2.2 MB. Max. memory is 16.1 GB. [2020-12-03 11:20:08,563 INFO L339 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, 20 locations, 10 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.3s, OverallIterations: 15, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 20480 SDtfs, 30312 SDslu, 33120 SDs, 0 SdLazy, 148264 SolverSat, 65584 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 668 GetRequests, 579 SyntacticMatches, 11 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2767 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 81 NumberOfCodeBlocks, 81 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 67 ConstructedInterpolants, 0 QuantifiedInterpolants, 2435 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 7/7 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 15]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 18]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 15]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 18]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 16]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 16]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 13]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 16]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 18]: free always succeeds For all program executions holds that free always succeeds at this location - PositiveResult [Line: 16]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 15]: Loop Invariant [2020-12-03 11:20:08,567 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-03 11:20:08,567 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-03 11:20:08,567 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-12-03 11:20:08,568 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-03 11:20:08,568 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-12-03 11:20:08,569 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier Derived loop invariant: (((p == 0 && \valid[p := 0] == \old(unknown-main_\old_#valid-unknown)) && p + 4 <= unknown-#length-unknown[p]) && p + 1 <= unknown-#StackHeapBarrier-unknown) && \valid[p] == 1 - InvariantResult [Line: 13]: Loop Invariant [2020-12-03 11:20:08,569 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-12-03 11:20:08,569 WARN L1295 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 0.23 ms. Allocated memory is still 88.1 MB. Free memory was 45.6 MB in the beginning and 45.5 MB in the end (delta: 39.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 312.32 ms. Allocated memory is still 88.1 MB. Free memory was 58.7 MB in the beginning and 66.9 MB in the end (delta: -8.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.71 ms. Allocated memory is still 88.1 MB. Free memory was 66.9 MB in the beginning and 65.7 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.96 ms. Allocated memory is still 88.1 MB. Free memory was 65.7 MB in the beginning and 64.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 317.55 ms. Allocated memory is still 88.1 MB. Free memory was 64.6 MB in the beginning and 50.5 MB in the end (delta: 14.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 3557.31 ms. Allocated memory was 88.1 MB in the beginning and 134.2 MB in the end (delta: 46.1 MB). Free memory was 50.2 MB in the beginning and 48.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 48.6 MB. Max. memory is 16.1 GB. * Witness Printer took 68.86 ms. Allocated memory is still 134.2 MB. Free memory was 48.1 MB in the beginning and 110.9 MB in the end (delta: -62.8 MB). Peak memory consumption was 2.2 MB. Max. memory is 16.1 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 #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - 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 #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - 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...