./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-regression/nested_structure_ptr-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0f5821-8909-4649-a7c5-f97506f46f61/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0f5821-8909-4649-a7c5-f97506f46f61/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0f5821-8909-4649-a7c5-f97506f46f61/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0f5821-8909-4649-a7c5-f97506f46f61/bin/ukojak-jW3SillKbg/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-regression/nested_structure_ptr-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0f5821-8909-4649-a7c5-f97506f46f61/bin/ukojak-jW3SillKbg/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0f5821-8909-4649-a7c5-f97506f46f61/bin/ukojak-jW3SillKbg --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 81456131c45f7c685633a27c8ee6ecc80df50671172b8fe4e30241e213f94d91 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 23:22:20,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:22:20,334 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:22:20,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:22:20,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:22:20,357 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:22:20,358 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:22:20,360 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:22:20,362 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:22:20,363 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:22:20,365 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:22:20,366 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:22:20,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:22:20,367 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:22:20,373 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:22:20,374 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:22:20,375 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:22:20,376 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:22:20,378 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:22:20,380 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:22:20,381 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:22:20,383 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:22:20,384 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:22:20,385 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:22:20,389 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:22:20,390 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:22:20,390 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:22:20,391 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:22:20,392 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:22:20,393 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:22:20,394 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:22:20,395 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:22:20,396 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:22:20,397 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:22:20,398 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:22:20,399 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:22:20,400 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:22:20,400 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:22:20,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:22:20,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:22:20,402 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:22:20,403 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0f5821-8909-4649-a7c5-f97506f46f61/bin/ukojak-jW3SillKbg/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-11-21 23:22:20,427 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:22:20,427 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:22:20,428 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:22:20,429 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:22:20,429 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:22:20,429 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 23:22:20,430 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:22:20,430 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:22:20,430 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 23:22:20,431 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:22:20,431 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-21 23:22:20,431 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-21 23:22:20,431 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-21 23:22:20,432 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:22:20,432 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 23:22:20,432 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:22:20,433 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:22:20,433 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:22:20,433 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:22:20,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:22:20,434 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:22:20,434 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:22:20,435 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:22:20,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:22:20,435 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_0d0f5821-8909-4649-a7c5-f97506f46f61/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0f5821-8909-4649-a7c5-f97506f46f61/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81456131c45f7c685633a27c8ee6ecc80df50671172b8fe4e30241e213f94d91 [2022-11-21 23:22:20,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:22:20,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:22:20,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:22:20,745 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:22:20,746 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:22:20,749 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0f5821-8909-4649-a7c5-f97506f46f61/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/ldv-regression/nested_structure_ptr-2.i [2022-11-21 23:22:23,872 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:22:24,109 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:22:24,110 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0f5821-8909-4649-a7c5-f97506f46f61/sv-benchmarks/c/ldv-regression/nested_structure_ptr-2.i [2022-11-21 23:22:24,115 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0f5821-8909-4649-a7c5-f97506f46f61/bin/ukojak-jW3SillKbg/data/8f31fd177/8b8ef3da04d84f8b831304be6dc9656b/FLAG376c1f69a [2022-11-21 23:22:24,128 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0f5821-8909-4649-a7c5-f97506f46f61/bin/ukojak-jW3SillKbg/data/8f31fd177/8b8ef3da04d84f8b831304be6dc9656b [2022-11-21 23:22:24,131 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:22:24,133 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:22:24,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:22:24,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:22:24,137 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:22:24,138 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:22:24" (1/1) ... [2022-11-21 23:22:24,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b91d97d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:24, skipping insertion in model container [2022-11-21 23:22:24,139 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:22:24" (1/1) ... [2022-11-21 23:22:24,147 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:22:24,161 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:22:24,303 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0f5821-8909-4649-a7c5-f97506f46f61/sv-benchmarks/c/ldv-regression/nested_structure_ptr-2.i[822,835] [2022-11-21 23:22:24,315 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:22:24,326 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:22:24,338 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0f5821-8909-4649-a7c5-f97506f46f61/sv-benchmarks/c/ldv-regression/nested_structure_ptr-2.i[822,835] [2022-11-21 23:22:24,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:22:24,358 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:22:24,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:24 WrapperNode [2022-11-21 23:22:24,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:22:24,360 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:22:24,360 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:22:24,360 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:22:24,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:24" (1/1) ... [2022-11-21 23:22:24,375 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:24" (1/1) ... [2022-11-21 23:22:24,394 INFO L138 Inliner]: procedures = 18, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 50 [2022-11-21 23:22:24,394 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:22:24,395 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:22:24,395 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:22:24,395 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:22:24,403 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:24" (1/1) ... [2022-11-21 23:22:24,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:24" (1/1) ... [2022-11-21 23:22:24,405 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:24" (1/1) ... [2022-11-21 23:22:24,406 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:24" (1/1) ... [2022-11-21 23:22:24,414 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:24" (1/1) ... [2022-11-21 23:22:24,416 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:24" (1/1) ... [2022-11-21 23:22:24,417 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:24" (1/1) ... [2022-11-21 23:22:24,418 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:24" (1/1) ... [2022-11-21 23:22:24,419 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:22:24,420 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:22:24,420 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:22:24,420 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:22:24,421 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:22:24" (1/1) ... [2022-11-21 23:22:24,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:22:24,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0f5821-8909-4649-a7c5-f97506f46f61/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:22:24,451 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0f5821-8909-4649-a7c5-f97506f46f61/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:22:24,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0f5821-8909-4649-a7c5-f97506f46f61/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:22:24,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 23:22:24,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 23:22:24,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:22:24,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:22:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 23:22:24,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 23:22:24,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:22:24,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:22:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 23:22:24,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 23:22:24,570 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:22:24,571 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:22:24,753 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:22:24,778 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:22:24,778 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 23:22:24,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:22:24 BoogieIcfgContainer [2022-11-21 23:22:24,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:22:24,782 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:22:24,782 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:22:24,793 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:22:24,793 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:22:24" (1/1) ... [2022-11-21 23:22:24,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:22:24,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:24,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2022-11-21 23:22:24,857 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2022-11-21 23:22:24,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-21 23:22:24,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:24,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:24,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:25,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:22:25,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:25,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2022-11-21 23:22:25,202 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2022-11-21 23:22:25,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-21 23:22:25,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:25,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:25,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:22:25,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:25,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2022-11-21 23:22:25,618 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2022-11-21 23:22:25,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-21 23:22:25,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:25,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:25,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:25,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:22:26,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:26,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2022-11-21 23:22:26,073 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2022-11-21 23:22:26,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-21 23:22:26,073 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:26,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:26,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:26,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:22:26,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:26,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2022-11-21 23:22:26,857 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2022-11-21 23:22:26,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 23:22:26,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:26,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:26,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:27,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:22:27,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:27,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2022-11-21 23:22:27,973 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2022-11-21 23:22:27,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-21 23:22:27,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:27,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:27,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:28,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:22:29,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:29,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2022-11-21 23:22:29,496 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2022-11-21 23:22:29,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 23:22:29,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:29,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:29,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:29,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:22:30,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:30,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2022-11-21 23:22:30,045 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2022-11-21 23:22:30,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 23:22:30,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:30,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:30,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:30,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:22:31,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:31,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2022-11-21 23:22:31,100 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2022-11-21 23:22:31,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 23:22:31,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:31,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:31,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:31,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:22:33,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:33,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2022-11-21 23:22:33,345 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2022-11-21 23:22:33,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 23:22:33,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:33,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:33,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:33,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:22:36,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:36,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2022-11-21 23:22:36,076 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2022-11-21 23:22:36,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 23:22:36,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:36,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:36,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:37,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:22:40,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:40,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-11-21 23:22:40,303 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-11-21 23:22:40,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 23:22:40,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:40,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:41,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:22:45,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:45,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2022-11-21 23:22:45,076 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2022-11-21 23:22:45,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 23:22:45,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:45,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:45,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:46,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:22:49,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:49,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 12 states and 11 transitions. [2022-11-21 23:22:49,263 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2022-11-21 23:22:49,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 23:22:49,264 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:22:49,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:22:49,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:22:49,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:22:56,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:22:56,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 11 states and 10 transitions. [2022-11-21 23:22:56,174 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2022-11-21 23:22:56,175 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:22:56,175 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 15 iterations. [2022-11-21 23:22:56,182 INFO L754 CodeCheckObserver]: All specifications hold 14 specifications checked. All of them hold [2022-11-21 23:22:56,344 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-11-21 23:22:56,354 INFO L560 CodeCheckObserver]: Invariant with dag size 17 [2022-11-21 23:22:56,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:22:56 ImpRootNode [2022-11-21 23:22:56,360 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:22:56,361 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:22:56,362 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:22:56,362 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:22:56,363 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:22:24" (3/4) ... [2022-11-21 23:22:56,369 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:22:56,384 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-21 23:22:56,384 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-21 23:22:56,385 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-21 23:22:56,385 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:22:56,422 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(im == good) && \valid[im := 0][good := 0][inner := 0] == \old(unknown-main_\old_#valid#1-unknown)) && !(inner == good)) && !(inner == im) [2022-11-21 23:22:56,436 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2022-11-21 23:22:56,463 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0f5821-8909-4649-a7c5-f97506f46f61/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:22:56,464 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:22:56,465 INFO L158 Benchmark]: Toolchain (without parser) took 32331.83ms. Allocated memory was 151.0MB in the beginning and 276.8MB in the end (delta: 125.8MB). Free memory was 118.1MB in the beginning and 116.5MB in the end (delta: 1.6MB). Peak memory consumption was 130.5MB. Max. memory is 16.1GB. [2022-11-21 23:22:56,465 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 151.0MB. Free memory is still 98.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:22:56,465 INFO L158 Benchmark]: CACSL2BoogieTranslator took 225.04ms. Allocated memory is still 151.0MB. Free memory was 118.1MB in the beginning and 107.7MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-21 23:22:56,466 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.40ms. Allocated memory is still 151.0MB. Free memory was 107.7MB in the beginning and 106.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:22:56,466 INFO L158 Benchmark]: Boogie Preprocessor took 24.71ms. Allocated memory is still 151.0MB. Free memory was 106.2MB in the beginning and 105.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:22:56,467 INFO L158 Benchmark]: RCFGBuilder took 360.88ms. Allocated memory is still 151.0MB. Free memory was 105.0MB in the beginning and 91.1MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-21 23:22:56,467 INFO L158 Benchmark]: CodeCheck took 31578.71ms. Allocated memory was 151.0MB in the beginning and 276.8MB in the end (delta: 125.8MB). Free memory was 91.1MB in the beginning and 118.6MB in the end (delta: -27.5MB). Peak memory consumption was 101.1MB. Max. memory is 16.1GB. [2022-11-21 23:22:56,468 INFO L158 Benchmark]: Witness Printer took 102.35ms. Allocated memory is still 276.8MB. Free memory was 118.6MB in the beginning and 116.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 23:22:56,470 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, 26 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 31.4s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 159 SdHoareTripleChecker+Valid, 4.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 149 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 3.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 479 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1564 IncrementalHoareTripleChecker+Invalid, 2043 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 479 mSolverCounterUnsat, 2 mSDtfsCounter, 1564 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 641 GetRequests, 396 SyntacticMatches, 9 SemanticMatches, 236 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20049 ImplicationChecksByTransitivity, 26.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 7.3s InterpolantComputationTime, 73 NumberOfCodeBlocks, 73 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 59 ConstructedInterpolants, 0 QuantifiedInterpolants, 1380 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 0/0 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: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 15]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 38]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 14 specifications checked. All of them hold - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid#1-unknown) == \valid - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: ((!(im == good) && \valid[im := 0][good := 0][inner := 0] == \old(unknown-main_\old_#valid#1-unknown)) && !(inner == good)) && !(inner == im) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 151.0MB. Free memory is still 98.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 225.04ms. Allocated memory is still 151.0MB. Free memory was 118.1MB in the beginning and 107.7MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.40ms. Allocated memory is still 151.0MB. Free memory was 107.7MB in the beginning and 106.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.71ms. Allocated memory is still 151.0MB. Free memory was 106.2MB in the beginning and 105.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 360.88ms. Allocated memory is still 151.0MB. Free memory was 105.0MB in the beginning and 91.1MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 31578.71ms. Allocated memory was 151.0MB in the beginning and 276.8MB in the end (delta: 125.8MB). Free memory was 91.1MB in the beginning and 118.6MB in the end (delta: -27.5MB). Peak memory consumption was 101.1MB. Max. memory is 16.1GB. * Witness Printer took 102.35ms. Allocated memory is still 276.8MB. Free memory was 118.6MB in the beginning and 116.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 23:22:56,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d0f5821-8909-4649-a7c5-f97506f46f61/bin/ukojak-jW3SillKbg/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