./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acda3c74-90fb-439f-beb7-2a57644fa3c5/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acda3c74-90fb-439f-beb7-2a57644fa3c5/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acda3c74-90fb-439f-beb7-2a57644fa3c5/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acda3c74-90fb-439f-beb7-2a57644fa3c5/bin/ukojak-d1pc8ZmBRL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acda3c74-90fb-439f-beb7-2a57644fa3c5/bin/ukojak-d1pc8ZmBRL/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acda3c74-90fb-439f-beb7-2a57644fa3c5/bin/ukojak-d1pc8ZmBRL --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 32689ae30ae51ecba7c5b43dcb93819b27d0e14fbdff3ab2701407818eca0145 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 06:29:45,314 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 06:29:45,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 06:29:45,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 06:29:45,362 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 06:29:45,363 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 06:29:45,365 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 06:29:45,368 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 06:29:45,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 06:29:45,372 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 06:29:45,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 06:29:45,375 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 06:29:45,376 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 06:29:45,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 06:29:45,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 06:29:45,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 06:29:45,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 06:29:45,384 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 06:29:45,386 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 06:29:45,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 06:29:45,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 06:29:45,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 06:29:45,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 06:29:45,395 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 06:29:45,399 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 06:29:45,400 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 06:29:45,400 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 06:29:45,401 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 06:29:45,402 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 06:29:45,403 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 06:29:45,404 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 06:29:45,405 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 06:29:45,406 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 06:29:45,407 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 06:29:45,409 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 06:29:45,409 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 06:29:45,410 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 06:29:45,411 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 06:29:45,411 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 06:29:45,412 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 06:29:45,413 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 06:29:45,414 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acda3c74-90fb-439f-beb7-2a57644fa3c5/bin/ukojak-d1pc8ZmBRL/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2021-11-25 06:29:45,439 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 06:29:45,440 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 06:29:45,441 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 06:29:45,442 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 06:29:45,442 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 06:29:45,442 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 06:29:45,442 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 06:29:45,443 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 06:29:45,443 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-25 06:29:45,443 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-25 06:29:45,443 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-25 06:29:45,444 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 06:29:45,444 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 06:29:45,444 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 06:29:45,444 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 06:29:45,445 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 06:29:45,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:29:45,445 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 06:29:45,445 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 06:29:45,446 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 06:29:45,446 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 06:29:45,446 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_acda3c74-90fb-439f-beb7-2a57644fa3c5/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acda3c74-90fb-439f-beb7-2a57644fa3c5/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32689ae30ae51ecba7c5b43dcb93819b27d0e14fbdff3ab2701407818eca0145 [2021-11-25 06:29:45,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 06:29:45,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 06:29:45,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 06:29:45,730 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 06:29:45,731 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 06:29:45,734 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acda3c74-90fb-439f-beb7-2a57644fa3c5/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c [2021-11-25 06:29:45,845 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acda3c74-90fb-439f-beb7-2a57644fa3c5/bin/ukojak-d1pc8ZmBRL/data/14a561389/e00a1af2bae44a1c83afa733d3979212/FLAG773dda983 [2021-11-25 06:29:46,304 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 06:29:46,305 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acda3c74-90fb-439f-beb7-2a57644fa3c5/sv-benchmarks/c/termination-crafted/SyntaxSupportPointer01-3.c [2021-11-25 06:29:46,311 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acda3c74-90fb-439f-beb7-2a57644fa3c5/bin/ukojak-d1pc8ZmBRL/data/14a561389/e00a1af2bae44a1c83afa733d3979212/FLAG773dda983 [2021-11-25 06:29:46,679 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acda3c74-90fb-439f-beb7-2a57644fa3c5/bin/ukojak-d1pc8ZmBRL/data/14a561389/e00a1af2bae44a1c83afa733d3979212 [2021-11-25 06:29:46,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 06:29:46,683 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 06:29:46,687 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 06:29:46,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 06:29:46,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 06:29:46,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:29:46" (1/1) ... [2021-11-25 06:29:46,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e3cb669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:29:46, skipping insertion in model container [2021-11-25 06:29:46,695 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:29:46" (1/1) ... [2021-11-25 06:29:46,705 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 06:29:46,720 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 06:29:46,897 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:29:46,905 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 06:29:46,918 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:29:46,932 INFO L208 MainTranslator]: Completed translation [2021-11-25 06:29:46,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:29:46 WrapperNode [2021-11-25 06:29:46,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 06:29:46,934 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 06:29:46,934 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 06:29:46,934 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 06:29:46,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:29:46" (1/1) ... [2021-11-25 06:29:46,948 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:29:46" (1/1) ... [2021-11-25 06:29:46,965 INFO L137 Inliner]: procedures = 10, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 26 [2021-11-25 06:29:46,965 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 06:29:46,966 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 06:29:46,966 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 06:29:46,966 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 06:29:46,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:29:46" (1/1) ... [2021-11-25 06:29:46,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:29:46" (1/1) ... [2021-11-25 06:29:46,976 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:29:46" (1/1) ... [2021-11-25 06:29:46,976 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:29:46" (1/1) ... [2021-11-25 06:29:46,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:29:46" (1/1) ... [2021-11-25 06:29:46,984 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:29:46" (1/1) ... [2021-11-25 06:29:46,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:29:46" (1/1) ... [2021-11-25 06:29:46,987 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 06:29:46,988 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 06:29:46,988 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 06:29:46,988 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 06:29:46,989 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:29:46" (1/1) ... [2021-11-25 06:29:46,997 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:29:47,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acda3c74-90fb-439f-beb7-2a57644fa3c5/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 06:29:47,019 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acda3c74-90fb-439f-beb7-2a57644fa3c5/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 06:29:47,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acda3c74-90fb-439f-beb7-2a57644fa3c5/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 06:29:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 06:29:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 06:29:47,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 06:29:47,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 06:29:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 06:29:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 06:29:47,152 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 06:29:47,154 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 06:29:47,268 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 06:29:47,282 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 06:29:47,282 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-25 06:29:47,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:29:47 BoogieIcfgContainer [2021-11-25 06:29:47,285 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 06:29:47,286 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 06:29:47,286 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 06:29:47,297 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 06:29:47,297 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:29:47" (1/1) ... [2021-11-25 06:29:47,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 06:29:47,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:29:47,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2021-11-25 06:29:47,367 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2021-11-25 06:29:47,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-25 06:29:47,371 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:29:47,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:29:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:29:47,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:29:47,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:29:47,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2021-11-25 06:29:47,574 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2021-11-25 06:29:47,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-25 06:29:47,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:29:47,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:29:47,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:29:47,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:29:47,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:29:47,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2021-11-25 06:29:47,747 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2021-11-25 06:29:47,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 06:29:47,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:29:47,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:29:47,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:29:47,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:29:47,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:29:47,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2021-11-25 06:29:47,972 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2021-11-25 06:29:47,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 06:29:47,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:29:47,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:29:47,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:29:48,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:29:48,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:29:48,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2021-11-25 06:29:48,122 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2021-11-25 06:29:48,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 06:29:48,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:29:48,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:29:48,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:29:48,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:29:48,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:29:48,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 23 states and 25 transitions. [2021-11-25 06:29:48,345 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2021-11-25 06:29:48,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-25 06:29:48,346 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:29:48,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:29:48,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:29:48,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:29:48,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:29:48,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2021-11-25 06:29:48,621 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2021-11-25 06:29:48,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-25 06:29:48,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:29:48,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:29:48,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:29:48,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:29:48,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:29:48,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 26 states and 29 transitions. [2021-11-25 06:29:48,671 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2021-11-25 06:29:48,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-25 06:29:48,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:29:48,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:29:48,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:29:48,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:29:48,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:29:48,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2021-11-25 06:29:48,747 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2021-11-25 06:29:48,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-25 06:29:48,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:29:48,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:29:48,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:29:48,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:29:48,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:29:48,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2021-11-25 06:29:48,937 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2021-11-25 06:29:48,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-25 06:29:48,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:29:48,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:29:48,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:29:49,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:29:49,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:29:49,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 30 states and 34 transitions. [2021-11-25 06:29:49,581 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2021-11-25 06:29:49,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 06:29:49,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:29:49,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:29:49,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:29:49,604 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:29:49,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:29:49,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2021-11-25 06:29:49,616 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2021-11-25 06:29:49,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 06:29:49,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:29:49,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:29:49,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:29:49,668 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:29:49,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:29:49,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2021-11-25 06:29:49,686 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2021-11-25 06:29:49,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 06:29:49,687 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:29:49,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:29:49,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:29:49,750 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:29:49,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:29:49,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2021-11-25 06:29:49,767 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2021-11-25 06:29:49,767 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-25 06:29:49,768 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 14 iterations. [2021-11-25 06:29:49,777 INFO L754 CodeCheckObserver]: All specifications hold 10 specifications checked. All of them hold [2021-11-25 06:29:49,825 INFO L560 CodeCheckObserver]: Invariant with dag size 19 [2021-11-25 06:29:49,838 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2021-11-25 06:29:49,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 06:29:49 ImpRootNode [2021-11-25 06:29:49,839 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-25 06:29:49,840 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 06:29:49,840 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 06:29:49,840 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 06:29:49,841 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:29:47" (3/4) ... [2021-11-25 06:29:49,843 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 06:29:49,852 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-25 06:29:49,853 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-25 06:29:49,853 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-25 06:29:49,853 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-25 06:29:49,877 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((p < unknown-#StackHeapBarrier-unknown && \valid[p := 0] == \old(unknown-main_\old_#valid#1-unknown)) && p + 4 <= unknown-#length-unknown[p]) && p == 0) && \valid[p] == 1 [2021-11-25 06:29:49,878 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2021-11-25 06:29:49,889 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acda3c74-90fb-439f-beb7-2a57644fa3c5/bin/ukojak-d1pc8ZmBRL/witness.graphml [2021-11-25 06:29:49,889 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 06:29:49,890 INFO L158 Benchmark]: Toolchain (without parser) took 3207.38ms. Allocated memory was 98.6MB in the beginning and 132.1MB in the end (delta: 33.6MB). Free memory was 63.4MB in the beginning and 72.2MB in the end (delta: -8.7MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2021-11-25 06:29:49,891 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 98.6MB. Free memory was 69.8MB in the beginning and 69.8MB in the end (delta: 31.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 06:29:49,891 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.31ms. Allocated memory is still 98.6MB. Free memory was 63.3MB in the beginning and 74.4MB in the end (delta: -11.1MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2021-11-25 06:29:49,892 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.58ms. Allocated memory is still 98.6MB. Free memory was 74.4MB in the beginning and 73.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 06:29:49,892 INFO L158 Benchmark]: Boogie Preprocessor took 21.39ms. Allocated memory is still 98.6MB. Free memory was 73.1MB in the beginning and 72.3MB in the end (delta: 833.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 06:29:49,893 INFO L158 Benchmark]: RCFGBuilder took 297.15ms. Allocated memory is still 98.6MB. Free memory was 71.9MB in the beginning and 62.2MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-25 06:29:49,894 INFO L158 Benchmark]: CodeCheck took 2553.51ms. Allocated memory was 98.6MB in the beginning and 132.1MB in the end (delta: 33.6MB). Free memory was 62.2MB in the beginning and 74.2MB in the end (delta: -12.0MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2021-11-25 06:29:49,894 INFO L158 Benchmark]: Witness Printer took 49.63ms. Allocated memory is still 132.1MB. Free memory was 74.2MB in the beginning and 72.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 06:29:49,897 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. OverallTime: 2.5s, OverallIterations: 14, 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, 351 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 324 mSDsluCounter, 344 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 280 mSDsCounter, 230 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 692 IncrementalHoareTripleChecker+Invalid, 922 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 230 mSolverCounterUnsat, 64 mSDtfsCounter, 692 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 564 GetRequests, 490 SyntacticMatches, 10 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1785 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 59 ConstructedInterpolants, 0 QuantifiedInterpolants, 281 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 6/6 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: 15]: 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: 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: 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: 18]: free always succeeds For all program executions holds that free 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: 13]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: (((p < unknown-#StackHeapBarrier-unknown && \valid[p := 0] == \old(unknown-main_\old_#valid#1-unknown)) && p + 4 <= unknown-#length-unknown[p]) && p == 0) && \valid[p] == 1 - InvariantResult [Line: 13]: 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 0.30ms. Allocated memory is still 98.6MB. Free memory was 69.8MB in the beginning and 69.8MB in the end (delta: 31.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.31ms. Allocated memory is still 98.6MB. Free memory was 63.3MB in the beginning and 74.4MB in the end (delta: -11.1MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.58ms. Allocated memory is still 98.6MB. Free memory was 74.4MB in the beginning and 73.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.39ms. Allocated memory is still 98.6MB. Free memory was 73.1MB in the beginning and 72.3MB in the end (delta: 833.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 297.15ms. Allocated memory is still 98.6MB. Free memory was 71.9MB in the beginning and 62.2MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 2553.51ms. Allocated memory was 98.6MB in the beginning and 132.1MB in the end (delta: 33.6MB). Free memory was 62.2MB in the beginning and 74.2MB in the end (delta: -12.0MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. * Witness Printer took 49.63ms. Allocated memory is still 132.1MB. Free memory was 74.2MB in the beginning and 72.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-25 06:29:49,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acda3c74-90fb-439f-beb7-2a57644fa3c5/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE