./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_54034adc-addf-4958-b475-9ad847e524f2/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_54034adc-addf-4958-b475-9ad847e524f2/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_54034adc-addf-4958-b475-9ad847e524f2/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_54034adc-addf-4958-b475-9ad847e524f2/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c -s /tmp/vcloud-vcloud-master/worker/run_dir_54034adc-addf-4958-b475-9ad847e524f2/bin/ukojak/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_54034adc-addf-4958-b475-9ad847e524f2/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-a4ecdab [2020-11-28 04:39:19,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:39:19,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:39:19,565 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:39:19,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:39:19,567 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:39:19,569 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:39:19,571 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:39:19,573 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:39:19,574 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:39:19,575 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:39:19,576 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:39:19,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:39:19,578 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:39:19,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:39:19,580 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:39:19,581 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:39:19,582 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:39:19,584 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:39:19,586 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:39:19,588 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:39:19,590 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:39:19,591 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:39:19,592 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:39:19,595 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:39:19,596 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:39:19,596 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:39:19,597 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:39:19,598 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:39:19,599 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:39:19,599 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:39:19,600 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:39:19,601 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:39:19,602 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:39:19,603 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:39:19,603 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:39:19,604 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:39:19,604 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:39:19,604 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:39:19,605 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:39:19,606 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:39:19,607 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_54034adc-addf-4958-b475-9ad847e524f2/bin/ukojak/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2020-11-28 04:39:19,630 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:39:19,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:39:19,631 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:39:19,632 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:39:19,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:39:19,632 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 04:39:19,632 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:39:19,632 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:39:19,633 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 04:39:19,633 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 04:39:19,633 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 04:39:19,633 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:39:19,633 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:39:19,634 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:39:19,634 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:39:19,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:39:19,634 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:39:19,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:39:19,635 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:39:19,635 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:39:19,635 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:39:19,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:39:19,635 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_54034adc-addf-4958-b475-9ad847e524f2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_54034adc-addf-4958-b475-9ad847e524f2/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f34751565a9d43a481fab038d13037e70cdccbf [2020-11-28 04:39:19,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:39:19,891 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:39:19,893 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:39:19,894 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:39:19,895 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:39:19,896 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_54034adc-addf-4958-b475-9ad847e524f2/bin/ukojak/../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c [2020-11-28 04:39:19,973 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_54034adc-addf-4958-b475-9ad847e524f2/bin/ukojak/data/41f78ff11/a90ba1ced9304528b67ed09125fbf36d/FLAG43c72d909 [2020-11-28 04:39:20,380 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:39:20,381 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_54034adc-addf-4958-b475-9ad847e524f2/sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c [2020-11-28 04:39:20,390 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_54034adc-addf-4958-b475-9ad847e524f2/bin/ukojak/data/41f78ff11/a90ba1ced9304528b67ed09125fbf36d/FLAG43c72d909 [2020-11-28 04:39:20,790 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_54034adc-addf-4958-b475-9ad847e524f2/bin/ukojak/data/41f78ff11/a90ba1ced9304528b67ed09125fbf36d [2020-11-28 04:39:20,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:39:20,795 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:39:20,796 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:39:20,797 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:39:20,800 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:39:20,800 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:39:20" (1/1) ... [2020-11-28 04:39:20,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4556360f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:20, skipping insertion in model container [2020-11-28 04:39:20,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:39:20" (1/1) ... [2020-11-28 04:39:20,810 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:39:20,821 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:39:20,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:39:20,995 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:39:21,008 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:39:21,024 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:39:21,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:21 WrapperNode [2020-11-28 04:39:21,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:39:21,026 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:39:21,026 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:39:21,026 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:39:21,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:21" (1/1) ... [2020-11-28 04:39:21,040 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:21" (1/1) ... [2020-11-28 04:39:21,056 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:39:21,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:39:21,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:39:21,057 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:39:21,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:21" (1/1) ... [2020-11-28 04:39:21,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:21" (1/1) ... [2020-11-28 04:39:21,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:21" (1/1) ... [2020-11-28 04:39:21,067 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:21" (1/1) ... [2020-11-28 04:39:21,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:21" (1/1) ... [2020-11-28 04:39:21,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:21" (1/1) ... [2020-11-28 04:39:21,075 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:21" (1/1) ... [2020-11-28 04:39:21,076 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:39:21,077 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:39:21,077 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:39:21,077 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:39:21,078 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54034adc-addf-4958-b475-9ad847e524f2/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 [2020-11-28 04:39:21,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 04:39:21,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-28 04:39:21,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:39:21,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:39:21,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 04:39:21,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 04:39:21,527 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:39:21,527 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-28 04:39:21,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:21 BoogieIcfgContainer [2020-11-28 04:39:21,529 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:39:21,530 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:39:21,530 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:39:21,540 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:39:21,540 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:21" (1/1) ... [2020-11-28 04:39:21,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:39:21,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:21,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2020-11-28 04:39:21,586 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2020-11-28 04:39:21,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2020-11-28 04:39:21,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:21,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:21,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:21,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:21,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2020-11-28 04:39:21,771 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2020-11-28 04:39:21,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2020-11-28 04:39:21,771 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:21,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:21,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:22,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:22,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2020-11-28 04:39:22,160 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2020-11-28 04:39:22,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-28 04:39:22,160 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:22,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:22,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:22,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:22,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2020-11-28 04:39:22,237 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2020-11-28 04:39:22,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-28 04:39:22,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:22,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:22,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:22,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:22,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2020-11-28 04:39:22,347 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2020-11-28 04:39:22,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-28 04:39:22,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:22,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:22,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:22,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:22,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2020-11-28 04:39:22,648 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2020-11-28 04:39:22,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-28 04:39:22,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:22,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:22,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:23,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:23,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2020-11-28 04:39:23,030 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2020-11-28 04:39:23,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-28 04:39:23,030 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:23,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:23,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:23,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:23,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions. [2020-11-28 04:39:23,078 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2020-11-28 04:39:23,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-28 04:39:23,079 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:23,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:23,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:23,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:23,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2020-11-28 04:39:23,136 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2020-11-28 04:39:23,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 04:39:23,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:23,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:23,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:23,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:23,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions. [2020-11-28 04:39:23,382 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2020-11-28 04:39:23,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 04:39:23,382 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:23,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:23,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:23,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2020-11-28 04:39:23,513 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2020-11-28 04:39:23,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 04:39:23,514 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:23,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:23,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:39:24,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:24,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2020-11-28 04:39:24,449 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2020-11-28 04:39:24,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 04:39:24,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:24,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:24,480 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:39:24,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:24,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2020-11-28 04:39:24,513 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2020-11-28 04:39:24,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 04:39:24,514 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:24,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:24,541 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:39:24,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:24,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2020-11-28 04:39:24,756 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2020-11-28 04:39:24,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 04:39:24,757 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:24,779 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:39:24,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:24,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2020-11-28 04:39:24,808 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2020-11-28 04:39:24,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 04:39:24,809 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:39:24,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:39:24,841 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 04:39:25,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:39:25,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2020-11-28 04:39:25,041 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2020-11-28 04:39:25,041 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:39:25,042 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 16 iterations. [2020-11-28 04:39:25,047 INFO L765 CodeCheckObserver]: All specifications hold 10 specifications checked. All of them hold [2020-11-28 04:39:25,197 INFO L569 CodeCheckObserver]: Invariant with dag size 20 [2020-11-28 04:39:25,203 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-28 04:39:25,203 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-28 04:39:25,204 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-28 04:39:25,208 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-28 04:39:25,208 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-28 04:39:25,208 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-28 04:39:25,209 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-28 04:39:25,209 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-28 04:39:25,210 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-28 04:39:25,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:39:25 ImpRootNode [2020-11-28 04:39:25,210 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:39:25,211 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:39:25,211 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:39:25,211 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:39:25,212 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:21" (3/4) ... [2020-11-28 04:39:25,215 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:39:25,226 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-11-28 04:39:25,233 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-11-28 04:39:25,234 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:39:25,274 WARN L221 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 [2020-11-28 04:39:25,274 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2020-11-28 04:39:25,287 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_54034adc-addf-4958-b475-9ad847e524f2/bin/ukojak/witness.graphml [2020-11-28 04:39:25,287 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:39:25,289 INFO L168 Benchmark]: Toolchain (without parser) took 4493.11 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 60.4 MB in the beginning and 61.5 MB in the end (delta: -1.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:25,289 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 96.5 MB. Free memory was 76.9 MB in the beginning and 76.9 MB in the end (delta: 78.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:39:25,290 INFO L168 Benchmark]: CACSL2BoogieTranslator took 228.68 ms. Allocated memory is still 96.5 MB. Free memory was 60.2 MB in the beginning and 73.4 MB in the end (delta: -13.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:25,290 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.39 ms. Allocated memory is still 96.5 MB. Free memory was 73.1 MB in the beginning and 72.0 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:39:25,291 INFO L168 Benchmark]: Boogie Preprocessor took 19.49 ms. Allocated memory is still 96.5 MB. Free memory was 72.0 MB in the beginning and 71.0 MB in the end (delta: 996.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:25,292 INFO L168 Benchmark]: RCFGBuilder took 452.10 ms. Allocated memory is still 96.5 MB. Free memory was 70.7 MB in the beginning and 56.9 MB in the end (delta: 13.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:25,292 INFO L168 Benchmark]: CodeCheck took 3680.68 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 56.9 MB in the beginning and 63.6 MB in the end (delta: -6.7 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:25,293 INFO L168 Benchmark]: Witness Printer took 75.89 ms. Allocated memory is still 117.4 MB. Free memory was 63.6 MB in the beginning and 61.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:39:25,296 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: 3.4s, OverallIterations: 16, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 40960 SDtfs, 60552 SDslu, 66232 SDs, 0 SdLazy, 296448 SolverSat, 131168 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 737 GetRequests, 640 SyntacticMatches, 19 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2767 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 75 ConstructedInterpolants, 0 QuantifiedInterpolants, 2755 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 15 InterpolantComputations, 15 PerfectInterpolantSequences, 9/9 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 [2020-11-28 04:39:25,299 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-28 04:39:25,299 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-28 04:39:25,299 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-11-28 04:39:25,300 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-28 04:39:25,300 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-28 04:39:25,300 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 [2020-11-28 04:39:25,301 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2020-11-28 04:39:25,301 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 0.16 ms. Allocated memory is still 96.5 MB. Free memory was 76.9 MB in the beginning and 76.9 MB in the end (delta: 78.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 228.68 ms. Allocated memory is still 96.5 MB. Free memory was 60.2 MB in the beginning and 73.4 MB in the end (delta: -13.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 30.39 ms. Allocated memory is still 96.5 MB. Free memory was 73.1 MB in the beginning and 72.0 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.49 ms. Allocated memory is still 96.5 MB. Free memory was 72.0 MB in the beginning and 71.0 MB in the end (delta: 996.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 452.10 ms. Allocated memory is still 96.5 MB. Free memory was 70.7 MB in the beginning and 56.9 MB in the end (delta: 13.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * CodeCheck took 3680.68 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 56.9 MB in the beginning and 63.6 MB in the end (delta: -6.7 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. * Witness Printer took 75.89 ms. Allocated memory is still 117.4 MB. Free memory was 63.6 MB in the beginning and 61.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 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...