./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772f9aa7-cbf1-42d5-ad39-b89d5a50fde4/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772f9aa7-cbf1-42d5-ad39-b89d5a50fde4/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772f9aa7-cbf1-42d5-ad39-b89d5a50fde4/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772f9aa7-cbf1-42d5-ad39-b89d5a50fde4/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772f9aa7-cbf1-42d5-ad39-b89d5a50fde4/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772f9aa7-cbf1-42d5-ad39-b89d5a50fde4/bin/ukojak-LBtLqBUTdQ --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 d759988a90bf6714578fc618630dc9d346515dfe23789cba296c3d8ccdbe3f23 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:15:05,355 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:15:05,357 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:15:05,388 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:15:05,389 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:15:05,390 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:15:05,392 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:15:05,395 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:15:05,397 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:15:05,398 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:15:05,400 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:15:05,401 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:15:05,402 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:15:05,403 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:15:05,405 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:15:05,407 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:15:05,408 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:15:05,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:15:05,411 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:15:05,414 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:15:05,416 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:15:05,419 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:15:05,421 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:15:05,422 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:15:05,427 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:15:05,427 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:15:05,428 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:15:05,429 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:15:05,430 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:15:05,431 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:15:05,431 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:15:05,432 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:15:05,433 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:15:05,435 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:15:05,443 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:15:05,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:15:05,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:15:05,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:15:05,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:15:05,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:15:05,447 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:15:05,448 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772f9aa7-cbf1-42d5-ad39-b89d5a50fde4/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 01:15:05,498 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:15:05,498 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:15:05,500 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:15:05,501 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:15:05,501 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:15:05,501 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:15:05,501 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:15:05,501 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:15:05,502 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:15:05,502 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:15:05,503 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 01:15:05,509 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 01:15:05,510 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 01:15:05,510 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:15:05,510 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:15:05,510 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:15:05,511 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:15:05,511 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:15:05,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:15:05,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:15:05,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:15:05,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:15:05,512 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:15:05,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:15:05,512 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_worker_vcloud-master_on_vcloud-master/run_dir_772f9aa7-cbf1-42d5-ad39-b89d5a50fde4/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772f9aa7-cbf1-42d5-ad39-b89d5a50fde4/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d759988a90bf6714578fc618630dc9d346515dfe23789cba296c3d8ccdbe3f23 [2021-11-23 01:15:05,769 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:15:05,791 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:15:05,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:15:05,795 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:15:05,796 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:15:05,797 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772f9aa7-cbf1-42d5-ad39-b89d5a50fde4/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i [2021-11-23 01:15:05,867 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772f9aa7-cbf1-42d5-ad39-b89d5a50fde4/bin/ukojak-LBtLqBUTdQ/data/6e3982320/69c5fb1d74db44549a1fa11d07bd9e39/FLAG10f580001 [2021-11-23 01:15:06,369 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:15:06,371 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772f9aa7-cbf1-42d5-ad39-b89d5a50fde4/sv-benchmarks/c/array-memsafety/openbsd_cbzero-alloca-2.i [2021-11-23 01:15:06,391 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772f9aa7-cbf1-42d5-ad39-b89d5a50fde4/bin/ukojak-LBtLqBUTdQ/data/6e3982320/69c5fb1d74db44549a1fa11d07bd9e39/FLAG10f580001 [2021-11-23 01:15:06,715 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772f9aa7-cbf1-42d5-ad39-b89d5a50fde4/bin/ukojak-LBtLqBUTdQ/data/6e3982320/69c5fb1d74db44549a1fa11d07bd9e39 [2021-11-23 01:15:06,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:15:06,721 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:15:06,736 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:15:06,736 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:15:06,739 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:15:06,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:15:06" (1/1) ... [2021-11-23 01:15:06,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17e7e3a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:06, skipping insertion in model container [2021-11-23 01:15:06,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:15:06" (1/1) ... [2021-11-23 01:15:06,749 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:15:06,786 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:15:07,089 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:15:07,101 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:15:07,159 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:15:07,201 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:15:07,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:07 WrapperNode [2021-11-23 01:15:07,202 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:15:07,203 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:15:07,203 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:15:07,203 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:15:07,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:07" (1/1) ... [2021-11-23 01:15:07,235 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:07" (1/1) ... [2021-11-23 01:15:07,254 INFO L137 Inliner]: procedures = 116, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43 [2021-11-23 01:15:07,255 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:15:07,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:15:07,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:15:07,256 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:15:07,264 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:07" (1/1) ... [2021-11-23 01:15:07,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:07" (1/1) ... [2021-11-23 01:15:07,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:07" (1/1) ... [2021-11-23 01:15:07,267 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:07" (1/1) ... [2021-11-23 01:15:07,272 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:07" (1/1) ... [2021-11-23 01:15:07,275 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:07" (1/1) ... [2021-11-23 01:15:07,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:07" (1/1) ... [2021-11-23 01:15:07,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:15:07,281 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:15:07,281 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:15:07,281 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:15:07,283 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:15:07" (1/1) ... [2021-11-23 01:15:07,293 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:15:07,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772f9aa7-cbf1-42d5-ad39-b89d5a50fde4/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:15:07,314 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772f9aa7-cbf1-42d5-ad39-b89d5a50fde4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:15:07,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772f9aa7-cbf1-42d5-ad39-b89d5a50fde4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:15:07,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:15:07,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:15:07,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:15:07,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:15:07,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:15:07,461 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:15:07,462 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:15:07,568 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:15:07,596 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:15:07,596 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:15:07,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:15:07 BoogieIcfgContainer [2021-11-23 01:15:07,599 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:15:07,600 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:15:07,600 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:15:07,610 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:15:07,611 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:15:07" (1/1) ... [2021-11-23 01:15:07,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:15:07,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:07,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2021-11-23 01:15:07,679 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2021-11-23 01:15:07,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-23 01:15:07,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:07,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:07,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:07,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:07,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:07,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-11-23 01:15:07,979 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-11-23 01:15:07,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:15:07,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:07,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:08,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:08,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:08,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:08,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2021-11-23 01:15:08,035 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2021-11-23 01:15:08,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:15:08,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:08,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:08,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:08,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:08,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:08,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2021-11-23 01:15:08,199 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2021-11-23 01:15:08,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:15:08,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:08,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:08,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:08,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:08,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:08,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2021-11-23 01:15:08,742 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2021-11-23 01:15:08,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:15:08,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:08,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:08,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:08,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:09,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:09,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2021-11-23 01:15:09,622 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2021-11-23 01:15:09,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:15:09,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:09,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:09,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:09,693 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:15:09,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:09,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2021-11-23 01:15:09,838 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2021-11-23 01:15:09,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:15:09,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:09,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:09,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:10,362 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:12,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:12,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 26 states and 42 transitions. [2021-11-23 01:15:12,158 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 42 transitions. [2021-11-23 01:15:12,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:15:12,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:12,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:12,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:12,250 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:15:13,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:13,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 32 states and 59 transitions. [2021-11-23 01:15:13,619 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 59 transitions. [2021-11-23 01:15:13,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:15:13,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:13,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:13,667 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:15:14,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:14,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 63 transitions. [2021-11-23 01:15:14,293 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 63 transitions. [2021-11-23 01:15:14,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:15:14,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:14,294 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:14,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:15,219 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:18,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:18,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 40 states and 79 transitions. [2021-11-23 01:15:18,658 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 79 transitions. [2021-11-23 01:15:18,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:15:18,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:18,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:18,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:18,697 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:15:18,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:18,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 36 states and 72 transitions. [2021-11-23 01:15:18,996 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 72 transitions. [2021-11-23 01:15:18,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:15:18,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:18,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:19,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:19,199 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:19,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:19,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 37 states and 74 transitions. [2021-11-23 01:15:19,569 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 74 transitions. [2021-11-23 01:15:19,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:15:19,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:19,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:19,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:19,708 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:21,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:21,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 40 states and 84 transitions. [2021-11-23 01:15:21,017 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 84 transitions. [2021-11-23 01:15:21,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:15:21,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:21,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:21,053 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:15:21,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:21,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 41 states and 85 transitions. [2021-11-23 01:15:21,579 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 85 transitions. [2021-11-23 01:15:21,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:15:21,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:21,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:21,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:21,619 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:15:22,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:22,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 43 states and 87 transitions. [2021-11-23 01:15:22,546 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 87 transitions. [2021-11-23 01:15:22,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:15:22,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:22,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:22,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:23,236 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:24,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:24,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2021-11-23 01:15:24,928 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2021-11-23 01:15:24,928 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 01:15:24,928 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2021-11-23 01:15:24,936 INFO L754 CodeCheckObserver]: All specifications hold 3 specifications checked. All of them hold [2021-11-23 01:15:25,183 INFO L560 CodeCheckObserver]: Invariant with dag size 41 [2021-11-23 01:15:25,199 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2021-11-23 01:15:25,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:15:25 ImpRootNode [2021-11-23 01:15:25,200 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:15:25,201 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:15:25,201 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:15:25,201 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:15:25,202 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:15:07" (3/4) ... [2021-11-23 01:15:25,205 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 01:15:25,213 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-11-23 01:15:25,213 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-23 01:15:25,214 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 01:15:25,214 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 01:15:25,233 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2021-11-23 01:15:25,234 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\valid[p] == 1 && length <= unknown-#length-unknown[p]) && length <= 2147483647) && p == 0) && 1 <= length) && \valid[__builtin_alloca (length * sizeof(char)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) || (((\valid[p] == 1 && 4294967296 * ((length + unknown-#length-unknown[p] * -1 + p + 4294967295) / 4294967296) <= length) && \valid[__builtin_alloca (length * sizeof(char)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) && 2 <= p)) || ((\valid[p] == 1 && (((1 <= p && length + p <= unknown-#length-unknown[p]) && 0 <= length) || (length <= 0 && 0 <= length))) && \valid[__builtin_alloca (length * sizeof(char)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) [2021-11-23 01:15:25,259 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772f9aa7-cbf1-42d5-ad39-b89d5a50fde4/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:15:25,259 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:15:25,260 INFO L158 Benchmark]: Toolchain (without parser) took 18539.26ms. Allocated memory was 100.7MB in the beginning and 146.8MB in the end (delta: 46.1MB). Free memory was 66.5MB in the beginning and 62.9MB in the end (delta: 3.6MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. [2021-11-23 01:15:25,261 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 100.7MB. Free memory is still 55.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:15:25,261 INFO L158 Benchmark]: CACSL2BoogieTranslator took 466.69ms. Allocated memory is still 100.7MB. Free memory was 66.3MB in the beginning and 70.1MB in the end (delta: -3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:15:25,262 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.69ms. Allocated memory is still 100.7MB. Free memory was 70.1MB in the beginning and 68.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:15:25,263 INFO L158 Benchmark]: Boogie Preprocessor took 23.68ms. Allocated memory is still 100.7MB. Free memory was 68.1MB in the beginning and 67.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:15:25,263 INFO L158 Benchmark]: RCFGBuilder took 317.82ms. Allocated memory is still 100.7MB. Free memory was 67.1MB in the beginning and 56.6MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 01:15:25,264 INFO L158 Benchmark]: CodeCheck took 17600.92ms. Allocated memory was 100.7MB in the beginning and 146.8MB in the end (delta: 46.1MB). Free memory was 56.3MB in the beginning and 66.1MB in the end (delta: -9.8MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2021-11-23 01:15:25,265 INFO L158 Benchmark]: Witness Printer took 58.41ms. Allocated memory is still 146.8MB. Free memory was 66.1MB in the beginning and 62.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:15:25,268 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, 11 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 17.3s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 236 SdHoareTripleChecker+Valid, 6.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 86 mSDsluCounter, 274 SdHoareTripleChecker+Invalid, 4.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 130 mSDsCounter, 1198 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2819 IncrementalHoareTripleChecker+Invalid, 4017 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1198 mSolverCounterUnsat, 144 mSDtfsCounter, 2819 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1540 GetRequests, 1307 SyntacticMatches, 29 SemanticMatches, 204 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15312 ImplicationChecksByTransitivity, 14.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 140 NumberOfCodeBlocks, 140 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 124 ConstructedInterpolants, 0 QuantifiedInterpolants, 1355 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 9 PerfectInterpolantSequences, 29/78 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: 517]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 517]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 519]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: ((((((\valid[p] == 1 && length <= unknown-#length-unknown[p]) && length <= 2147483647) && p == 0) && 1 <= length) && \valid[__builtin_alloca (length * sizeof(char)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) || (((\valid[p] == 1 && 4294967296 * ((length + unknown-#length-unknown[p] * -1 + p + 4294967295) / 4294967296) <= length) && \valid[__builtin_alloca (length * sizeof(char)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) && 2 <= p)) || ((\valid[p] == 1 && (((1 <= p && length + p <= unknown-#length-unknown[p]) && 0 <= length) || (length <= 0 && 0 <= length))) && \valid[__builtin_alloca (length * sizeof(char)) := 0] == \old(unknown-main_\old_#valid#1-unknown)) - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid#1-unknown) == \valid * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 100.7MB. Free memory is still 55.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 466.69ms. Allocated memory is still 100.7MB. Free memory was 66.3MB in the beginning and 70.1MB in the end (delta: -3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.69ms. Allocated memory is still 100.7MB. Free memory was 70.1MB in the beginning and 68.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.68ms. Allocated memory is still 100.7MB. Free memory was 68.1MB in the beginning and 67.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 317.82ms. Allocated memory is still 100.7MB. Free memory was 67.1MB in the beginning and 56.6MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 17600.92ms. Allocated memory was 100.7MB in the beginning and 146.8MB in the end (delta: 46.1MB). Free memory was 56.3MB in the beginning and 66.1MB in the end (delta: -9.8MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. * Witness Printer took 58.41ms. Allocated memory is still 146.8MB. Free memory was 66.1MB in the beginning and 62.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-23 01:15:25,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_772f9aa7-cbf1-42d5-ad39-b89d5a50fde4/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE