./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/mult_array_unsafe.i --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_20c0ccc1-7d3a-445f-ac42-79484245c960/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20c0ccc1-7d3a-445f-ac42-79484245c960/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_20c0ccc1-7d3a-445f-ac42-79484245c960/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20c0ccc1-7d3a-445f-ac42-79484245c960/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/mult_array_unsafe.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20c0ccc1-7d3a-445f-ac42-79484245c960/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_20c0ccc1-7d3a-445f-ac42-79484245c960/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 d94197bb45011c55db64c4b2cad037cf69a2430f75ef8668b076bdef6ca69182 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:46:49,685 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:46:49,810 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20c0ccc1-7d3a-445f-ac42-79484245c960/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-13 21:46:49,822 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:46:49,822 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:46:49,867 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:46:49,868 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:46:49,869 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:46:49,869 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:46:49,870 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:46:49,870 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:46:49,870 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:46:49,870 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:46:49,870 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 21:46:49,870 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 21:46:49,871 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 21:46:49,871 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:46:49,871 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:46:49,871 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:46:49,871 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:46:49,871 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:46:49,871 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:46:49,872 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:46:49,872 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:46:49,874 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:46:49,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:46:49,874 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:46:49,874 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:46:49,875 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:46:49,875 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:46:49,875 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_20c0ccc1-7d3a-445f-ac42-79484245c960/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 -> d94197bb45011c55db64c4b2cad037cf69a2430f75ef8668b076bdef6ca69182 [2024-11-13 21:46:50,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:46:50,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:46:50,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:46:50,245 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:46:50,246 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:46:50,247 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20c0ccc1-7d3a-445f-ac42-79484245c960/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/array-memsafety/mult_array_unsafe.i Unable to find full path for "g++" [2024-11-13 21:46:52,130 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:46:52,590 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:46:52,591 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20c0ccc1-7d3a-445f-ac42-79484245c960/sv-benchmarks/c/array-memsafety/mult_array_unsafe.i [2024-11-13 21:46:52,603 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20c0ccc1-7d3a-445f-ac42-79484245c960/bin/ukojak-verify-EEHR8qb7sm/data/e83bb8bab/54399f0a6c024ece9ee38a523dc245f6/FLAGf7b2274ea [2024-11-13 21:46:52,619 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20c0ccc1-7d3a-445f-ac42-79484245c960/bin/ukojak-verify-EEHR8qb7sm/data/e83bb8bab/54399f0a6c024ece9ee38a523dc245f6 [2024-11-13 21:46:52,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:46:52,623 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:46:52,625 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:46:52,625 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:46:52,630 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:46:52,631 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:46:52" (1/1) ... [2024-11-13 21:46:52,632 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dfe2769 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:52, skipping insertion in model container [2024-11-13 21:46:52,632 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:46:52" (1/1) ... [2024-11-13 21:46:52,665 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:46:52,960 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:46:52,971 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:46:53,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:46:53,036 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:46:53,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:53 WrapperNode [2024-11-13 21:46:53,036 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:46:53,038 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:46:53,038 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:46:53,038 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:46:53,045 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:53" (1/1) ... [2024-11-13 21:46:53,056 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:53" (1/1) ... [2024-11-13 21:46:53,075 INFO L138 Inliner]: procedures = 115, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 60 [2024-11-13 21:46:53,076 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:46:53,076 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:46:53,076 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:46:53,076 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:46:53,083 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:53" (1/1) ... [2024-11-13 21:46:53,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:53" (1/1) ... [2024-11-13 21:46:53,086 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:53" (1/1) ... [2024-11-13 21:46:53,086 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:53" (1/1) ... [2024-11-13 21:46:53,091 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:53" (1/1) ... [2024-11-13 21:46:53,095 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:53" (1/1) ... [2024-11-13 21:46:53,096 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:53" (1/1) ... [2024-11-13 21:46:53,097 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:53" (1/1) ... [2024-11-13 21:46:53,099 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:46:53,100 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:46:53,100 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:46:53,100 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:46:53,101 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:46:53" (1/1) ... [2024-11-13 21:46:53,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:46:53,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20c0ccc1-7d3a-445f-ac42-79484245c960/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:46:53,136 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20c0ccc1-7d3a-445f-ac42-79484245c960/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:46:53,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20c0ccc1-7d3a-445f-ac42-79484245c960/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:46:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:46:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:46:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:46:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:46:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:46:53,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:46:53,301 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:46:53,303 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:46:53,563 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-13 21:46:53,563 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:46:53,660 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:46:53,660 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 21:46:53,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:46:53 BoogieIcfgContainer [2024-11-13 21:46:53,661 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:46:53,661 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:46:53,661 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:46:53,672 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:46:53,672 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:46:53" (1/1) ... [2024-11-13 21:46:53,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:46:53,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:46:53,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 21:46:53,759 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 21:46:53,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 21:46:53,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:46:53,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:46:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:46:54,167 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 21:46:54,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:46:54,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2024-11-13 21:46:54,241 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2024-11-13 21:46:54,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:46:54,242 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:46:54,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:46:54,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:46:54,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:46:54,390 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:46:54,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:46:54,448 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 21:46:54,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:46:54 ImpRootNode [2024-11-13 21:46:54,481 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:46:54,482 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:46:54,482 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:46:54,483 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:46:54,483 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:46:53" (3/4) ... [2024-11-13 21:46:54,484 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 21:46:54,531 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20c0ccc1-7d3a-445f-ac42-79484245c960/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 21:46:54,532 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:46:54,534 INFO L158 Benchmark]: Toolchain (without parser) took 1909.14ms. Allocated memory is still 142.6MB. Free memory was 118.0MB in the beginning and 52.7MB in the end (delta: 65.3MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-11-13 21:46:54,535 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 167.8MB. Free memory is still 105.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:46:54,535 INFO L158 Benchmark]: CACSL2BoogieTranslator took 412.11ms. Allocated memory is still 142.6MB. Free memory was 118.0MB in the beginning and 101.5MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:46:54,535 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.04ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 100.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:46:54,536 INFO L158 Benchmark]: Boogie Preprocessor took 22.83ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 99.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:46:54,536 INFO L158 Benchmark]: RCFGBuilder took 561.20ms. Allocated memory is still 142.6MB. Free memory was 99.0MB in the beginning and 80.5MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:46:54,536 INFO L158 Benchmark]: CodeCheck took 820.10ms. Allocated memory is still 142.6MB. Free memory was 80.5MB in the beginning and 54.5MB in the end (delta: 26.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 21:46:54,539 INFO L158 Benchmark]: Witness Printer took 49.50ms. Allocated memory is still 142.6MB. Free memory was 54.5MB in the beginning and 52.7MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:46:54,540 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, 16 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 1 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 16 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, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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: [L513] int i, j; [L514] int length = __VERIFIER_nondet_int(); [L515] COND TRUE length < 1 || length >= 2147483647 / sizeof(int) [L515] length = 1 [L516] int fac = __VERIFIER_nondet_int(); [L517] COND FALSE !(fac < 1 || fac >= 2147483647 / (sizeof(int) * length)) [L518] int *arr = __builtin_alloca (length); [L519] int *arr2 = __builtin_alloca (fac*length); VAL [arr2={4:0}, arr={3:0}, fac=4, length=1] [L520] COND FALSE !(!arr || !arr2) [L521] i=0 VAL [arr2={4:0}, arr={3:0}, fac=4, i=0, length=1] [L521] COND TRUE i