./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-regression/test18.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 9bd2c7ff 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_169bd137-4de4-491c-81b9-3f2627b7d114/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_169bd137-4de4-491c-81b9-3f2627b7d114/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_169bd137-4de4-491c-81b9-3f2627b7d114/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_169bd137-4de4-491c-81b9-3f2627b7d114/bin/ukojak-verify-G8NBE6pJGL/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-regression/test18.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_169bd137-4de4-491c-81b9-3f2627b7d114/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_169bd137-4de4-491c-81b9-3f2627b7d114/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --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 0feebd8a64fe0b15b88b38240b283856fce37415e61ae67dd5b1ceb66f5c5fbc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:28:22,565 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:28:22,636 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_169bd137-4de4-491c-81b9-3f2627b7d114/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-19 03:28:22,640 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:28:22,641 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:28:22,664 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:28:22,665 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:28:22,665 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:28:22,666 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:28:22,667 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:28:22,667 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:28:22,668 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:28:22,669 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:28:22,669 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 03:28:22,670 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 03:28:22,670 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 03:28:22,671 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:28:22,672 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:28:22,672 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:28:22,673 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:28:22,673 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:28:22,674 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:28:22,675 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:28:22,675 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:28:22,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:28:22,677 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:28:22,677 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:28:22,678 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:28:22,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:28:22,679 INFO L153 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_169bd137-4de4-491c-81b9-3f2627b7d114/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_169bd137-4de4-491c-81b9-3f2627b7d114/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0feebd8a64fe0b15b88b38240b283856fce37415e61ae67dd5b1ceb66f5c5fbc [2023-11-19 03:28:22,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:28:22,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:28:23,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:28:23,002 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:28:23,003 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:28:23,005 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_169bd137-4de4-491c-81b9-3f2627b7d114/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/ldv-regression/test18.c [2023-11-19 03:28:26,200 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:28:26,403 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:28:26,404 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_169bd137-4de4-491c-81b9-3f2627b7d114/sv-benchmarks/c/ldv-regression/test18.c [2023-11-19 03:28:26,418 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_169bd137-4de4-491c-81b9-3f2627b7d114/bin/ukojak-verify-G8NBE6pJGL/data/4b333ad25/3beb84a0d6624268ac4e3121859d89c2/FLAGda2a9a57a [2023-11-19 03:28:26,434 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_169bd137-4de4-491c-81b9-3f2627b7d114/bin/ukojak-verify-G8NBE6pJGL/data/4b333ad25/3beb84a0d6624268ac4e3121859d89c2 [2023-11-19 03:28:26,438 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:28:26,439 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:28:26,441 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:28:26,441 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:28:26,449 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:28:26,450 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:28:26" (1/1) ... [2023-11-19 03:28:26,451 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28d44125 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:26, skipping insertion in model container [2023-11-19 03:28:26,452 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:28:26" (1/1) ... [2023-11-19 03:28:26,474 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:28:26,686 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:28:26,702 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:28:26,719 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:28:26,737 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:28:26,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:26 WrapperNode [2023-11-19 03:28:26,737 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:28:26,738 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:28:26,738 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:28:26,739 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:28:26,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:26" (1/1) ... [2023-11-19 03:28:26,752 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:26" (1/1) ... [2023-11-19 03:28:26,770 INFO L138 Inliner]: procedures = 16, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 54 [2023-11-19 03:28:26,771 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:28:26,772 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:28:26,772 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:28:26,772 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:28:26,781 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:26" (1/1) ... [2023-11-19 03:28:26,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:26" (1/1) ... [2023-11-19 03:28:26,784 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:26" (1/1) ... [2023-11-19 03:28:26,785 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:26" (1/1) ... [2023-11-19 03:28:26,790 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:26" (1/1) ... [2023-11-19 03:28:26,792 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:26" (1/1) ... [2023-11-19 03:28:26,794 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:26" (1/1) ... [2023-11-19 03:28:26,795 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:26" (1/1) ... [2023-11-19 03:28:26,798 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:28:26,799 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:28:26,799 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:28:26,799 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:28:26,800 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:28:26" (1/1) ... [2023-11-19 03:28:26,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:28:26,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_169bd137-4de4-491c-81b9-3f2627b7d114/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:28:26,836 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_169bd137-4de4-491c-81b9-3f2627b7d114/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:28:26,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_169bd137-4de4-491c-81b9-3f2627b7d114/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:28:26,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 03:28:26,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:28:26,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:28:26,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:28:26,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 03:28:26,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:28:26,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:28:26,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:28:26,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:28:26,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:28:26,964 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:28:26,966 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:28:27,208 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:28:27,259 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:28:27,260 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:28:27,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:28:27 BoogieIcfgContainer [2023-11-19 03:28:27,265 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:28:27,266 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:28:27,266 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:28:27,278 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:28:27,280 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:28:27" (1/1) ... [2023-11-19 03:28:27,290 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:28:27,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:27,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2023-11-19 03:28:27,346 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2023-11-19 03:28:27,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:28:27,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:27,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:27,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:27,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:28:27,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:27,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2023-11-19 03:28:27,793 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2023-11-19 03:28:27,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:28:27,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:27,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:27,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:27,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:28:27,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:27,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2023-11-19 03:28:27,998 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2023-11-19 03:28:27,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:28:27,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:27,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:28,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:28,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:28:28,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:28,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2023-11-19 03:28:28,123 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2023-11-19 03:28:28,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:28:28,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:28,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:28,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:28,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:28:28,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:28,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2023-11-19 03:28:28,429 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2023-11-19 03:28:28,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:28:28,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:28,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:28,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:28,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:28:28,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:28,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2023-11-19 03:28:28,571 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2023-11-19 03:28:28,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:28:28,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:28,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:28,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:28,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:28:28,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:28,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2023-11-19 03:28:28,931 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2023-11-19 03:28:28,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:28:28,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:28,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:28,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:29,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:28:29,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:29,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2023-11-19 03:28:29,600 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2023-11-19 03:28:29,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:28:29,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:29,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:29,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:29,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:28:30,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:30,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2023-11-19 03:28:30,648 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2023-11-19 03:28:30,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:28:30,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:30,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:30,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:30,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:28:31,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:31,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2023-11-19 03:28:31,347 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2023-11-19 03:28:31,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:28:31,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:31,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:31,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:31,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:28:32,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:32,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2023-11-19 03:28:32,262 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2023-11-19 03:28:32,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:28:32,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:32,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:32,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:32,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:28:35,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:35,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2023-11-19 03:28:35,052 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2023-11-19 03:28:35,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:28:35,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:35,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:35,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:36,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:28:39,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:39,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2023-11-19 03:28:39,294 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2023-11-19 03:28:39,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:28:39,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:39,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:39,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:40,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:28:44,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:44,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2023-11-19 03:28:44,783 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2023-11-19 03:28:44,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:28:44,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:44,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:44,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:45,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:28:51,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:51,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2023-11-19 03:28:51,683 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2023-11-19 03:28:51,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:28:51,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:51,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:51,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:53,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:28:55,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:28:55,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 12 states and 11 transitions. [2023-11-19 03:28:55,284 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2023-11-19 03:28:55,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:28:55,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:28:55,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:28:55,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:28:56,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:29:05,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:05,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 11 states and 10 transitions. [2023-11-19 03:29:05,999 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2023-11-19 03:29:05,999 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:29:05,999 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2023-11-19 03:29:06,009 INFO L751 CodeCheckObserver]: All specifications hold 16 specifications checked. All of them hold [2023-11-19 03:29:06,199 INFO L560 CodeCheckObserver]: Invariant with dag size 13 [2023-11-19 03:29:06,206 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated [2023-11-19 03:29:06,209 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayStoreExpression #valid[~#a~0!base := 0][~#b~0!base := 0] could not be translated [2023-11-19 03:29:06,209 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-19 03:29:06,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:29:06 ImpRootNode [2023-11-19 03:29:06,210 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:29:06,211 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:29:06,212 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:29:06,213 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:29:06,216 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:28:27" (3/4) ... [2023-11-19 03:29:06,223 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:29:06,234 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2023-11-19 03:29:06,235 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-19 03:29:06,235 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-19 03:29:06,235 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:29:06,359 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_169bd137-4de4-491c-81b9-3f2627b7d114/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:29:06,360 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_169bd137-4de4-491c-81b9-3f2627b7d114/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:29:06,360 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:29:06,367 INFO L158 Benchmark]: Toolchain (without parser) took 39927.37ms. Allocated memory was 163.6MB in the beginning and 413.1MB in the end (delta: 249.6MB). Free memory was 120.6MB in the beginning and 251.1MB in the end (delta: -130.5MB). Peak memory consumption was 121.3MB. Max. memory is 16.1GB. [2023-11-19 03:29:06,367 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 67.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:29:06,368 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.78ms. Allocated memory is still 163.6MB. Free memory was 120.2MB in the beginning and 110.1MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:29:06,371 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.70ms. Allocated memory is still 163.6MB. Free memory was 110.1MB in the beginning and 108.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:29:06,372 INFO L158 Benchmark]: Boogie Preprocessor took 26.36ms. Allocated memory is still 163.6MB. Free memory was 108.3MB in the beginning and 107.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:29:06,372 INFO L158 Benchmark]: RCFGBuilder took 466.07ms. Allocated memory is still 163.6MB. Free memory was 107.2MB in the beginning and 91.7MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 03:29:06,373 INFO L158 Benchmark]: CodeCheck took 38945.06ms. Allocated memory was 163.6MB in the beginning and 413.1MB in the end (delta: 249.6MB). Free memory was 91.7MB in the beginning and 256.3MB in the end (delta: -164.7MB). Peak memory consumption was 85.7MB. Max. memory is 16.1GB. [2023-11-19 03:29:06,373 INFO L158 Benchmark]: Witness Printer took 154.90ms. Allocated memory is still 413.1MB. Free memory was 255.3MB in the beginning and 251.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:29:06,379 INFO L338 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, 28 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 38.7s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 140 SdHoareTripleChecker+Valid, 4.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 124 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 3.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 625 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1787 IncrementalHoareTripleChecker+Invalid, 2412 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 625 mSolverCounterUnsat, 2 mSDtfsCounter, 1787 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 781 GetRequests, 491 SyntacticMatches, 8 SemanticMatches, 282 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28672 ImplicationChecksByTransitivity, 33.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 8.7s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 968 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 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: -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: 3]: all allocated memory was freed For all program executions holds that all allocated memory was freed 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 - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 67.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.78ms. Allocated memory is still 163.6MB. Free memory was 120.2MB in the beginning and 110.1MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.70ms. Allocated memory is still 163.6MB. Free memory was 110.1MB in the beginning and 108.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.36ms. Allocated memory is still 163.6MB. Free memory was 108.3MB in the beginning and 107.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 466.07ms. Allocated memory is still 163.6MB. Free memory was 107.2MB in the beginning and 91.7MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 38945.06ms. Allocated memory was 163.6MB in the beginning and 413.1MB in the end (delta: 249.6MB). Free memory was 91.7MB in the beginning and 256.3MB in the end (delta: -164.7MB). Peak memory consumption was 85.7MB. Max. memory is 16.1GB. * Witness Printer took 154.90ms. Allocated memory is still 413.1MB. Free memory was 255.3MB in the beginning and 251.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayStoreExpression #valid[~#a~0!base := 0][~#b~0!base := 0] could not be translated RESULT: Ultimate proved your program to be correct! [2023-11-19 03:29:06,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_169bd137-4de4-491c-81b9-3f2627b7d114/bin/ukojak-verify-G8NBE6pJGL/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