./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/diff_usafe.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f95b43-99d1-462f-beb1-e7122bcea40d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f95b43-99d1-462f-beb1-e7122bcea40d/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f95b43-99d1-462f-beb1-e7122bcea40d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f95b43-99d1-462f-beb1-e7122bcea40d/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/diff_usafe.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f95b43-99d1-462f-beb1-e7122bcea40d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f95b43-99d1-462f-beb1-e7122bcea40d/bin/ukojak-verify-EEHR8qb7sm --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 60b44baec8d5c42666f1f962a9b95cfd7e6c75178322ade094b7a047963f4b64 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:37:48,227 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:37:48,318 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f95b43-99d1-462f-beb1-e7122bcea40d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-13 21:37:48,326 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:37:48,326 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:37:48,360 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:37:48,361 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:37:48,361 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:37:48,363 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:37:48,364 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:37:48,365 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:37:48,365 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:37:48,365 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:37:48,365 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 21:37:48,365 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 21:37:48,365 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 21:37:48,365 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:37:48,365 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:37:48,366 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:37:48,366 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:37:48,366 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:37:48,366 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:37:48,366 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:37:48,366 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:37:48,366 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:37:48,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:37:48,366 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:37:48,367 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:37:48,367 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:37:48,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:37:48,367 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_d3f95b43-99d1-462f-beb1-e7122bcea40d/bin/ukojak-verify-EEHR8qb7sm 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 -> 60b44baec8d5c42666f1f962a9b95cfd7e6c75178322ade094b7a047963f4b64 [2024-11-13 21:37:48,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:37:48,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:37:48,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:37:48,763 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:37:48,763 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:37:48,765 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f95b43-99d1-462f-beb1-e7122bcea40d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/array-memsafety/diff_usafe.c Unable to find full path for "g++" [2024-11-13 21:37:50,663 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:37:50,931 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:37:50,932 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f95b43-99d1-462f-beb1-e7122bcea40d/sv-benchmarks/c/array-memsafety/diff_usafe.c [2024-11-13 21:37:50,939 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f95b43-99d1-462f-beb1-e7122bcea40d/bin/ukojak-verify-EEHR8qb7sm/data/4e77d9f39/a07b80ab776b470cbc3b6834ad6be39a/FLAG3c96d7806 [2024-11-13 21:37:50,954 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f95b43-99d1-462f-beb1-e7122bcea40d/bin/ukojak-verify-EEHR8qb7sm/data/4e77d9f39/a07b80ab776b470cbc3b6834ad6be39a [2024-11-13 21:37:50,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:37:50,958 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:37:50,960 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:37:50,960 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:37:50,965 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:37:50,965 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:37:50" (1/1) ... [2024-11-13 21:37:50,966 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22e2ec5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:50, skipping insertion in model container [2024-11-13 21:37:50,967 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:37:50" (1/1) ... [2024-11-13 21:37:50,981 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:37:51,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:37:51,161 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:37:51,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:37:51,188 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:37:51,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:51 WrapperNode [2024-11-13 21:37:51,189 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:37:51,190 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:37:51,190 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:37:51,190 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:37:51,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:51" (1/1) ... [2024-11-13 21:37:51,202 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:51" (1/1) ... [2024-11-13 21:37:51,223 INFO L138 Inliner]: procedures = 8, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 58 [2024-11-13 21:37:51,223 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:37:51,224 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:37:51,224 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:37:51,224 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:37:51,230 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:51" (1/1) ... [2024-11-13 21:37:51,230 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:51" (1/1) ... [2024-11-13 21:37:51,232 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:51" (1/1) ... [2024-11-13 21:37:51,232 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:51" (1/1) ... [2024-11-13 21:37:51,237 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:51" (1/1) ... [2024-11-13 21:37:51,240 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:51" (1/1) ... [2024-11-13 21:37:51,241 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:51" (1/1) ... [2024-11-13 21:37:51,242 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:51" (1/1) ... [2024-11-13 21:37:51,243 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:37:51,244 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:37:51,244 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:37:51,244 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:37:51,245 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:37:51" (1/1) ... [2024-11-13 21:37:51,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:37:51,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f95b43-99d1-462f-beb1-e7122bcea40d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:37:51,278 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f95b43-99d1-462f-beb1-e7122bcea40d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:37:51,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f95b43-99d1-462f-beb1-e7122bcea40d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:37:51,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:37:51,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:37:51,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:37:51,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:37:51,382 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:37:51,384 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:37:51,551 INFO L? ?]: Removed 44 outVars from TransFormulas that were not future-live. [2024-11-13 21:37:51,551 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:37:51,597 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:37:51,597 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 21:37:51,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:37:51 BoogieIcfgContainer [2024-11-13 21:37:51,598 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:37:51,599 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:37:51,599 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:37:51,609 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:37:51,610 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:37:51" (1/1) ... [2024-11-13 21:37:51,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:37:51,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:37:51,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 22 transitions. [2024-11-13 21:37:51,672 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2024-11-13 21:37:51,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 21:37:51,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:37:51,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:37:51,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:37:51,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:37:51,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:37:51,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2024-11-13 21:37:51,883 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2024-11-13 21:37:51,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:37:51,883 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:37:51,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:37:51,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:37:51,895 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:37:51,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:37:51,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:37:51,944 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:37:51,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:37:51,964 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 21:37:51,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:37:51 ImpRootNode [2024-11-13 21:37:51,986 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:37:51,987 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:37:51,987 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:37:51,987 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:37:51,988 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:37:51" (3/4) ... [2024-11-13 21:37:51,989 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 21:37:52,024 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f95b43-99d1-462f-beb1-e7122bcea40d/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:37:52,024 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:37:52,025 INFO L158 Benchmark]: Toolchain (without parser) took 1066.74ms. Allocated memory is still 117.4MB. Free memory was 94.1MB in the beginning and 50.2MB in the end (delta: 44.0MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 21:37:52,025 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:37:52,026 INFO L158 Benchmark]: CACSL2BoogieTranslator took 229.84ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 83.4MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:37:52,026 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.44ms. Allocated memory is still 117.4MB. Free memory was 83.4MB in the beginning and 82.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:37:52,026 INFO L158 Benchmark]: Boogie Preprocessor took 19.69ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 81.5MB in the end (delta: 631.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:37:52,027 INFO L158 Benchmark]: RCFGBuilder took 354.19ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 66.4MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:37:52,027 INFO L158 Benchmark]: CodeCheck took 387.28ms. Allocated memory is still 117.4MB. Free memory was 66.1MB in the beginning and 52.0MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:37:52,028 INFO L158 Benchmark]: Witness Printer took 37.36ms. Allocated memory is still 117.4MB. Free memory was 52.0MB in the beginning and 50.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:37:52,030 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, 20 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 2 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - CounterExampleResult [Line: -1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L30] int *A; [L31] int Alen = __VERIFIER_nondet_int(); [L32] int *B; [L33] int Blen = __VERIFIER_nondet_int(); [L34] int *D; [L35] CALL diff(A, Alen, B, Blen, D) [L5] int k = 0; [L6] int i = 0; [L7] int l1 = Alen; [L8] int l2 = Blen; [L9] int found; VAL [i=0, k=0, l1=1, l2=1] [L11] COND TRUE i < l1 [L12] int j = 0; [L13] found = 0 VAL [found=0, i=0, j=0, k=0, l1=1, l2=1] [L14] COND TRUE j < l2 && !found VAL [found=0, i=0, j=0, k=0, l1=1, l2=1] [L15] A[i] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 229.84ms. Allocated memory is still 117.4MB. Free memory was 93.8MB in the beginning and 83.4MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.44ms. Allocated memory is still 117.4MB. Free memory was 83.4MB in the beginning and 82.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.69ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 81.5MB in the end (delta: 631.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 354.19ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 66.4MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 387.28ms. Allocated memory is still 117.4MB. Free memory was 66.1MB in the beginning and 52.0MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 37.36ms. Allocated memory is still 117.4MB. Free memory was 52.0MB in the beginning and 50.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 21:37:52,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3f95b43-99d1-462f-beb1-e7122bcea40d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref)