./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-regression/nested_structure-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e04fb08f 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_9538689f-a05f-4c92-b48a-0a0c3b1a4e35/bin/ukojak-CydTVMUXoH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9538689f-a05f-4c92-b48a-0a0c3b1a4e35/bin/ukojak-CydTVMUXoH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9538689f-a05f-4c92-b48a-0a0c3b1a4e35/bin/ukojak-CydTVMUXoH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9538689f-a05f-4c92-b48a-0a0c3b1a4e35/bin/ukojak-CydTVMUXoH/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-regression/nested_structure-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9538689f-a05f-4c92-b48a-0a0c3b1a4e35/bin/ukojak-CydTVMUXoH/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9538689f-a05f-4c92-b48a-0a0c3b1a4e35/bin/ukojak-CydTVMUXoH --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 8760dfb1fc705c9d4bd3086e926410b9e088fc0950cc71e69ebbf3367b49d459 --- 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-e04fb08 [2022-11-16 08:29:27,460 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 08:29:27,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 08:29:27,490 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 08:29:27,494 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 08:29:27,497 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 08:29:27,499 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 08:29:27,504 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 08:29:27,507 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 08:29:27,510 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 08:29:27,512 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 08:29:27,515 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 08:29:27,515 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 08:29:27,523 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 08:29:27,525 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 08:29:27,526 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 08:29:27,527 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 08:29:27,528 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 08:29:27,529 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 08:29:27,531 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 08:29:27,532 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 08:29:27,534 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 08:29:27,535 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 08:29:27,536 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 08:29:27,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 08:29:27,539 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 08:29:27,540 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 08:29:27,541 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 08:29:27,541 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 08:29:27,542 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 08:29:27,542 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 08:29:27,543 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 08:29:27,544 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 08:29:27,545 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 08:29:27,546 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 08:29:27,546 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 08:29:27,547 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 08:29:27,547 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 08:29:27,547 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 08:29:27,548 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 08:29:27,549 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 08:29:27,550 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9538689f-a05f-4c92-b48a-0a0c3b1a4e35/bin/ukojak-CydTVMUXoH/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-11-16 08:29:27,572 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 08:29:27,572 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 08:29:27,573 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 08:29:27,574 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 08:29:27,574 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 08:29:27,574 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 08:29:27,575 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 08:29:27,575 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 08:29:27,575 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 08:29:27,575 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 08:29:27,576 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-16 08:29:27,576 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-16 08:29:27,576 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-16 08:29:27,576 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 08:29:27,577 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 08:29:27,577 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 08:29:27,577 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-16 08:29:27,578 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-16 08:29:27,578 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 08:29:27,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 08:29:27,579 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 08:29:27,579 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 08:29:27,579 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-16 08:29:27,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 08:29:27,580 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_9538689f-a05f-4c92-b48a-0a0c3b1a4e35/bin/ukojak-CydTVMUXoH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9538689f-a05f-4c92-b48a-0a0c3b1a4e35/bin/ukojak-CydTVMUXoH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8760dfb1fc705c9d4bd3086e926410b9e088fc0950cc71e69ebbf3367b49d459 [2022-11-16 08:29:27,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 08:29:27,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 08:29:27,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 08:29:27,927 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 08:29:27,929 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 08:29:27,930 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9538689f-a05f-4c92-b48a-0a0c3b1a4e35/bin/ukojak-CydTVMUXoH/../../sv-benchmarks/c/ldv-regression/nested_structure-1.i [2022-11-16 08:29:28,007 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9538689f-a05f-4c92-b48a-0a0c3b1a4e35/bin/ukojak-CydTVMUXoH/data/139ceed62/4011c7bc600d4e198a156986bb24c1a1/FLAG68eb899ec [2022-11-16 08:29:28,539 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 08:29:28,540 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9538689f-a05f-4c92-b48a-0a0c3b1a4e35/sv-benchmarks/c/ldv-regression/nested_structure-1.i [2022-11-16 08:29:28,547 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9538689f-a05f-4c92-b48a-0a0c3b1a4e35/bin/ukojak-CydTVMUXoH/data/139ceed62/4011c7bc600d4e198a156986bb24c1a1/FLAG68eb899ec [2022-11-16 08:29:28,933 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9538689f-a05f-4c92-b48a-0a0c3b1a4e35/bin/ukojak-CydTVMUXoH/data/139ceed62/4011c7bc600d4e198a156986bb24c1a1 [2022-11-16 08:29:28,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 08:29:28,938 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 08:29:28,942 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 08:29:28,942 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 08:29:28,948 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 08:29:28,949 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:29:28" (1/1) ... [2022-11-16 08:29:28,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f84780a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:29:28, skipping insertion in model container [2022-11-16 08:29:28,952 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:29:28" (1/1) ... [2022-11-16 08:29:28,959 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 08:29:28,972 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 08:29:29,227 WARN L229 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_9538689f-a05f-4c92-b48a-0a0c3b1a4e35/sv-benchmarks/c/ldv-regression/nested_structure-1.i[303,316] [2022-11-16 08:29:29,251 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 08:29:29,262 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 08:29:29,278 WARN L229 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_9538689f-a05f-4c92-b48a-0a0c3b1a4e35/sv-benchmarks/c/ldv-regression/nested_structure-1.i[303,316] [2022-11-16 08:29:29,287 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 08:29:29,305 INFO L208 MainTranslator]: Completed translation [2022-11-16 08:29:29,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:29:29 WrapperNode [2022-11-16 08:29:29,306 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 08:29:29,307 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 08:29:29,307 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 08:29:29,307 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 08:29:29,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:29:29" (1/1) ... [2022-11-16 08:29:29,334 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:29:29" (1/1) ... [2022-11-16 08:29:29,356 INFO L138 Inliner]: procedures = 16, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2022-11-16 08:29:29,356 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 08:29:29,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 08:29:29,359 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 08:29:29,359 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 08:29:29,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:29:29" (1/1) ... [2022-11-16 08:29:29,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:29:29" (1/1) ... [2022-11-16 08:29:29,372 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:29:29" (1/1) ... [2022-11-16 08:29:29,373 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:29:29" (1/1) ... [2022-11-16 08:29:29,391 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:29:29" (1/1) ... [2022-11-16 08:29:29,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:29:29" (1/1) ... [2022-11-16 08:29:29,396 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:29:29" (1/1) ... [2022-11-16 08:29:29,397 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:29:29" (1/1) ... [2022-11-16 08:29:29,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 08:29:29,402 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 08:29:29,402 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 08:29:29,402 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 08:29:29,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:29:29" (1/1) ... [2022-11-16 08:29:29,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 08:29:29,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9538689f-a05f-4c92-b48a-0a0c3b1a4e35/bin/ukojak-CydTVMUXoH/z3 [2022-11-16 08:29:29,436 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9538689f-a05f-4c92-b48a-0a0c3b1a4e35/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-16 08:29:29,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9538689f-a05f-4c92-b48a-0a0c3b1a4e35/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-16 08:29:29,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 08:29:29,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 08:29:29,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 08:29:29,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 08:29:29,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 08:29:29,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 08:29:29,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 08:29:29,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 08:29:29,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 08:29:29,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 08:29:29,600 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 08:29:29,602 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 08:29:29,802 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 08:29:29,822 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 08:29:29,822 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 08:29:29,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:29:29 BoogieIcfgContainer [2022-11-16 08:29:29,825 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 08:29:29,826 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-16 08:29:29,826 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-16 08:29:29,852 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-16 08:29:29,853 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:29:29" (1/1) ... [2022-11-16 08:29:29,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 08:29:29,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:29:29,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2022-11-16 08:29:29,954 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2022-11-16 08:29:29,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-16 08:29:29,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:29:29,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:29:30,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:29:30,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:29:30,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:29:30,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2022-11-16 08:29:30,264 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2022-11-16 08:29:30,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-11-16 08:29:30,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:29:30,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:29:30,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:29:30,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:29:30,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:29:30,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2022-11-16 08:29:30,600 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2022-11-16 08:29:30,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-16 08:29:30,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:29:30,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:29:30,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:29:30,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:29:31,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:29:31,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2022-11-16 08:29:31,187 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2022-11-16 08:29:31,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-16 08:29:31,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:29:31,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:29:31,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:29:31,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:29:31,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:29:31,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2022-11-16 08:29:31,935 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2022-11-16 08:29:31,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-16 08:29:31,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:29:31,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:29:31,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:29:32,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:29:33,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:29:33,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2022-11-16 08:29:33,162 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2022-11-16 08:29:33,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-16 08:29:33,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:29:33,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:29:33,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:29:33,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:29:34,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:29:34,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2022-11-16 08:29:34,819 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2022-11-16 08:29:34,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-16 08:29:34,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:29:34,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:29:34,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:29:34,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:29:35,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:29:35,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2022-11-16 08:29:35,356 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2022-11-16 08:29:35,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-16 08:29:35,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:29:35,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:29:35,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:29:35,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:29:36,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:29:36,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2022-11-16 08:29:36,554 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2022-11-16 08:29:36,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-16 08:29:36,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:29:36,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:29:36,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:29:37,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:29:38,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:29:38,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2022-11-16 08:29:38,880 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2022-11-16 08:29:38,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-16 08:29:38,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:29:38,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:29:38,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:29:39,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:29:41,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:29:41,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2022-11-16 08:29:41,546 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2022-11-16 08:29:41,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-16 08:29:41,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:29:41,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:29:41,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:29:42,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:29:46,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:29:46,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-11-16 08:29:46,448 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-11-16 08:29:46,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-16 08:29:46,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:29:46,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:29:46,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:29:47,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:29:51,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:29:51,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2022-11-16 08:29:51,070 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2022-11-16 08:29:51,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-16 08:29:51,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:29:51,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:29:51,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:29:52,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:29:55,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:29:55,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 12 states and 11 transitions. [2022-11-16 08:29:55,628 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2022-11-16 08:29:55,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-16 08:29:55,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 08:29:55,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 08:29:55,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 08:29:56,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 08:30:03,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 08:30:03,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 11 states and 10 transitions. [2022-11-16 08:30:03,291 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2022-11-16 08:30:03,291 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 08:30:03,291 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 15 iterations. [2022-11-16 08:30:03,299 INFO L754 CodeCheckObserver]: All specifications hold 14 specifications checked. All of them hold [2022-11-16 08:30:03,486 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-11-16 08:30:03,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 16.11 08:30:03 ImpRootNode [2022-11-16 08:30:03,497 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-16 08:30:03,497 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 08:30:03,497 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 08:30:03,498 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 08:30:03,498 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:29:29" (3/4) ... [2022-11-16 08:30:03,501 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 08:30:03,511 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-16 08:30:03,511 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-16 08:30:03,511 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-16 08:30:03,512 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 08:30:03,536 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2022-11-16 08:30:03,550 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9538689f-a05f-4c92-b48a-0a0c3b1a4e35/bin/ukojak-CydTVMUXoH/witness.graphml [2022-11-16 08:30:03,551 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 08:30:03,552 INFO L158 Benchmark]: Toolchain (without parser) took 34613.76ms. Allocated memory was 109.1MB in the beginning and 283.1MB in the end (delta: 174.1MB). Free memory was 68.7MB in the beginning and 91.3MB in the end (delta: -22.6MB). Peak memory consumption was 152.3MB. Max. memory is 16.1GB. [2022-11-16 08:30:03,552 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 109.1MB. Free memory was 84.7MB in the beginning and 84.7MB in the end (delta: 55.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 08:30:03,553 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.21ms. Allocated memory is still 109.1MB. Free memory was 68.5MB in the beginning and 83.7MB in the end (delta: -15.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 08:30:03,553 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.47ms. Allocated memory is still 109.1MB. Free memory was 83.7MB in the beginning and 82.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 08:30:03,554 INFO L158 Benchmark]: Boogie Preprocessor took 42.82ms. Allocated memory is still 109.1MB. Free memory was 82.4MB in the beginning and 81.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 08:30:03,554 INFO L158 Benchmark]: RCFGBuilder took 423.41ms. Allocated memory is still 109.1MB. Free memory was 81.0MB in the beginning and 67.7MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 08:30:03,555 INFO L158 Benchmark]: CodeCheck took 33670.97ms. Allocated memory was 109.1MB in the beginning and 283.1MB in the end (delta: 174.1MB). Free memory was 67.3MB in the beginning and 94.5MB in the end (delta: -27.1MB). Peak memory consumption was 150.4MB. Max. memory is 16.1GB. [2022-11-16 08:30:03,556 INFO L158 Benchmark]: Witness Printer took 53.45ms. Allocated memory is still 283.1MB. Free memory was 94.5MB in the beginning and 91.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 08:30:03,559 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: 33.4s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 141 SdHoareTripleChecker+Valid, 4.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 131 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 3.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 468 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1583 IncrementalHoareTripleChecker+Invalid, 2051 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 468 mSolverCounterUnsat, 2 mSDtfsCounter, 1583 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 649 GetRequests, 399 SyntacticMatches, 8 SemanticMatches, 242 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21768 ImplicationChecksByTransitivity, 28.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 7.5s InterpolantComputationTime, 73 NumberOfCodeBlocks, 73 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 59 ConstructedInterpolants, 0 QuantifiedInterpolants, 1418 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: 11]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 26]: 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: 26]: 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 0.32ms. Allocated memory is still 109.1MB. Free memory was 84.7MB in the beginning and 84.7MB in the end (delta: 55.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 364.21ms. Allocated memory is still 109.1MB. Free memory was 68.5MB in the beginning and 83.7MB in the end (delta: -15.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.47ms. Allocated memory is still 109.1MB. Free memory was 83.7MB in the beginning and 82.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.82ms. Allocated memory is still 109.1MB. Free memory was 82.4MB in the beginning and 81.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 423.41ms. Allocated memory is still 109.1MB. Free memory was 81.0MB in the beginning and 67.7MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 33670.97ms. Allocated memory was 109.1MB in the beginning and 283.1MB in the end (delta: 174.1MB). Free memory was 67.3MB in the beginning and 94.5MB in the end (delta: -27.1MB). Peak memory consumption was 150.4MB. Max. memory is 16.1GB. * Witness Printer took 53.45ms. Allocated memory is still 283.1MB. Free memory was 94.5MB in the beginning and 91.3MB 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! [2022-11-16 08:30:03,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9538689f-a05f-4c92-b48a-0a0c3b1a4e35/bin/ukojak-CydTVMUXoH/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