./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_06_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7073e1-2c1a-4ae9-88a0-2572aebcbfb6/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7073e1-2c1a-4ae9-88a0-2572aebcbfb6/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_3b7073e1-2c1a-4ae9-88a0-2572aebcbfb6/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7073e1-2c1a-4ae9-88a0-2572aebcbfb6/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_06_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7073e1-2c1a-4ae9-88a0-2572aebcbfb6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7073e1-2c1a-4ae9-88a0-2572aebcbfb6/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 752d2212a67a1ee1e01a0dcea11800cf454a0491edd7407e01b8d1e8fdd60f76 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:53:14,810 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:53:14,905 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7073e1-2c1a-4ae9-88a0-2572aebcbfb6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:53:14,913 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:53:14,914 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:53:14,945 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:53:14,947 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:53:14,948 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:53:14,948 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:53:14,948 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:53:14,949 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:53:14,949 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:53:14,950 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:53:14,950 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:53:14,950 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:53:14,950 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:53:14,950 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:53:14,951 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:53:14,951 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:53:14,951 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:53:14,951 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:53:14,951 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:53:14,951 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:53:14,951 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:53:14,951 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:53:14,952 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:53:14,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:53:14,952 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:53:14,952 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:53:14,952 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:53:14,953 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:53:14,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:53:14,953 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_3b7073e1-2c1a-4ae9-88a0-2572aebcbfb6/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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 752d2212a67a1ee1e01a0dcea11800cf454a0491edd7407e01b8d1e8fdd60f76 [2024-11-13 21:53:15,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:53:15,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:53:15,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:53:15,256 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:53:15,258 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:53:15,259 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7073e1-2c1a-4ae9-88a0-2572aebcbfb6/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_06_bad.i Unable to find full path for "g++" [2024-11-13 21:53:17,213 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:53:17,805 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:53:17,805 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7073e1-2c1a-4ae9-88a0-2572aebcbfb6/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_06_bad.i [2024-11-13 21:53:17,846 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7073e1-2c1a-4ae9-88a0-2572aebcbfb6/bin/ukojak-verify-EEHR8qb7sm/data/e19ada1b2/cc7aa49c026447f396934dacbde0db20/FLAG3c3dffd56 [2024-11-13 21:53:17,863 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7073e1-2c1a-4ae9-88a0-2572aebcbfb6/bin/ukojak-verify-EEHR8qb7sm/data/e19ada1b2/cc7aa49c026447f396934dacbde0db20 [2024-11-13 21:53:17,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:53:17,868 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:53:17,870 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:53:17,870 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:53:17,876 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:53:17,877 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:53:17" (1/1) ... [2024-11-13 21:53:17,879 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34bdf5f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:17, skipping insertion in model container [2024-11-13 21:53:17,879 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:53:17" (1/1) ... [2024-11-13 21:53:17,934 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:53:19,168 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:53:19,185 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:53:19,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:53:19,616 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:53:19,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:19 WrapperNode [2024-11-13 21:53:19,618 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:53:19,619 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:53:19,620 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:53:19,620 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:53:19,627 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:19" (1/1) ... [2024-11-13 21:53:19,673 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:19" (1/1) ... [2024-11-13 21:53:19,732 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 68 [2024-11-13 21:53:19,733 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:53:19,733 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:53:19,734 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:53:19,734 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:53:19,742 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:19" (1/1) ... [2024-11-13 21:53:19,742 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:19" (1/1) ... [2024-11-13 21:53:19,745 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:19" (1/1) ... [2024-11-13 21:53:19,746 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:19" (1/1) ... [2024-11-13 21:53:19,752 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:19" (1/1) ... [2024-11-13 21:53:19,755 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:19" (1/1) ... [2024-11-13 21:53:19,756 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:19" (1/1) ... [2024-11-13 21:53:19,758 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:19" (1/1) ... [2024-11-13 21:53:19,761 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:53:19,762 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:53:19,762 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:53:19,762 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:53:19,764 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:19" (1/1) ... [2024-11-13 21:53:19,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:53:19,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7073e1-2c1a-4ae9-88a0-2572aebcbfb6/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:53:19,823 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7073e1-2c1a-4ae9-88a0-2572aebcbfb6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:53:19,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7073e1-2c1a-4ae9-88a0-2572aebcbfb6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:53:19,865 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:53:19,866 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:53:19,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:53:19,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:53:19,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:53:19,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:53:20,114 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:53:20,116 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:53:20,328 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-13 21:53:20,329 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:53:20,398 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:53:20,402 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:53:20,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:53:20 BoogieIcfgContainer [2024-11-13 21:53:20,403 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:53:20,403 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:53:20,404 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:53:20,421 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:53:20,421 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:53:20" (1/1) ... [2024-11-13 21:53:20,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:53:20,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:20,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-11-13 21:53:20,514 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-13 21:53:20,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:53:20,519 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:20,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:53:20,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:20,797 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 21:53:20,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:20,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 24 transitions. [2024-11-13 21:53:20,875 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2024-11-13 21:53:20,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:53:20,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:20,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:53:20,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:53:20,926 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:53:20,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:53:21,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:53:21,036 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:53:21,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:53:21,100 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 21:53:21,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:53:21 ImpRootNode [2024-11-13 21:53:21,142 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:53:21,143 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:53:21,143 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:53:21,144 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:53:21,145 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:53:20" (3/4) ... [2024-11-13 21:53:21,147 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:53:21,148 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:53:21,150 INFO L158 Benchmark]: Toolchain (without parser) took 3281.16ms. Allocated memory is still 117.4MB. Free memory was 89.4MB in the beginning and 36.4MB in the end (delta: 53.0MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2024-11-13 21:53:21,150 INFO L158 Benchmark]: CDTParser took 1.33ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:53:21,150 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1748.47ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 80.7MB in the end (delta: 8.5MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-13 21:53:21,151 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.50ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 77.9MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:53:21,151 INFO L158 Benchmark]: Boogie Preprocessor took 27.59ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 76.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:53:21,152 INFO L158 Benchmark]: RCFGBuilder took 640.85ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 62.8MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:53:21,152 INFO L158 Benchmark]: CodeCheck took 738.90ms. Allocated memory is still 117.4MB. Free memory was 62.8MB in the beginning and 36.9MB in the end (delta: 25.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 21:53:21,153 INFO L158 Benchmark]: Witness Printer took 5.31ms. Allocated memory is still 117.4MB. Free memory was 36.9MB in the beginning and 36.4MB in the end (delta: 536.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:53:21,156 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 2 procedures, 20 locations, 2 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, 24 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 17 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 71 GetRequests, 69 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, 0.1s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 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 - UnprovableResult [Line: 1571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1559, overapproximation of large string literal at line 1579, overapproximation of fgets at line 1557. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static const int STATIC_CONST_FIVE = 5; [L1579] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1579] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1580] CALL CWE191_Integer_Underflow__int_fgets_multiply_06_bad() [L1551] int data; [L1552] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] COND TRUE STATIC_CONST_FIVE==5 [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1559] data = atoi(inputBuffer) [L1567] COND TRUE STATIC_CONST_FIVE==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.33ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1748.47ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 80.7MB in the end (delta: 8.5MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 113.50ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 77.9MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.59ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 76.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 640.85ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 62.8MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 738.90ms. Allocated memory is still 117.4MB. Free memory was 62.8MB in the beginning and 36.9MB in the end (delta: 25.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 5.31ms. Allocated memory is still 117.4MB. Free memory was 36.9MB in the beginning and 36.4MB in the end (delta: 536.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:53:21,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7073e1-2c1a-4ae9-88a0-2572aebcbfb6/bin/ukojak-verify-EEHR8qb7sm/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7073e1-2c1a-4ae9-88a0-2572aebcbfb6/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7073e1-2c1a-4ae9-88a0-2572aebcbfb6/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_3b7073e1-2c1a-4ae9-88a0-2572aebcbfb6/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7073e1-2c1a-4ae9-88a0-2572aebcbfb6/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_06_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7073e1-2c1a-4ae9-88a0-2572aebcbfb6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7073e1-2c1a-4ae9-88a0-2572aebcbfb6/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 752d2212a67a1ee1e01a0dcea11800cf454a0491edd7407e01b8d1e8fdd60f76 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:53:24,518 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:53:24,686 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7073e1-2c1a-4ae9-88a0-2572aebcbfb6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:53:24,771 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:53:24,774 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:53:24,774 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:53:24,774 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:53:24,775 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:53:24,775 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:53:24,776 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:53:24,776 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:53:24,777 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:53:24,778 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:53:24,778 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:53:24,778 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:53:24,779 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:53:24,779 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:53:24,779 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:53:24,779 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:53:24,779 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:53:24,779 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:53:24,779 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:53:24,779 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:53:24,780 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:53:24,780 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:53:24,780 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:24,781 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:53:24,781 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:53:24,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:53:24,781 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:53:24,782 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:53:24,782 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:53:24,782 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:53:24,782 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:24,782 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:53:24,783 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_3b7073e1-2c1a-4ae9-88a0-2572aebcbfb6/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 ! overflow) ) 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 752d2212a67a1ee1e01a0dcea11800cf454a0491edd7407e01b8d1e8fdd60f76 [2024-11-13 21:53:25,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:53:25,184 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:53:25,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:53:25,189 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:53:25,190 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:53:25,191 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7073e1-2c1a-4ae9-88a0-2572aebcbfb6/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_06_bad.i Unable to find full path for "g++" [2024-11-13 21:53:27,109 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:53:27,499 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:53:27,502 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7073e1-2c1a-4ae9-88a0-2572aebcbfb6/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_06_bad.i [2024-11-13 21:53:27,538 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7073e1-2c1a-4ae9-88a0-2572aebcbfb6/bin/ukojak-verify-EEHR8qb7sm/data/f7c9cb6cd/5cbbc1f2f8fa4e0c93c08ce8cd02d3a0/FLAGdb824ff59 [2024-11-13 21:53:27,566 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7073e1-2c1a-4ae9-88a0-2572aebcbfb6/bin/ukojak-verify-EEHR8qb7sm/data/f7c9cb6cd/5cbbc1f2f8fa4e0c93c08ce8cd02d3a0 [2024-11-13 21:53:27,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:53:27,570 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:53:27,572 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:53:27,572 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:53:27,580 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:53:27,581 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:53:27" (1/1) ... [2024-11-13 21:53:27,582 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72069e5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:27, skipping insertion in model container [2024-11-13 21:53:27,582 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:53:27" (1/1) ... [2024-11-13 21:53:27,643 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:53:28,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:53:28,572 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:53:28,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:53:28,897 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:53:28,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:28 WrapperNode [2024-11-13 21:53:28,898 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:53:28,899 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:53:28,899 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:53:28,899 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:53:28,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:28" (1/1) ... [2024-11-13 21:53:28,939 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:28" (1/1) ... [2024-11-13 21:53:28,968 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2024-11-13 21:53:28,968 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:53:28,969 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:53:28,969 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:53:28,969 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:53:28,978 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:28" (1/1) ... [2024-11-13 21:53:28,978 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:28" (1/1) ... [2024-11-13 21:53:28,987 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:28" (1/1) ... [2024-11-13 21:53:28,987 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:28" (1/1) ... [2024-11-13 21:53:29,001 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:28" (1/1) ... [2024-11-13 21:53:29,003 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:28" (1/1) ... [2024-11-13 21:53:29,009 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:28" (1/1) ... [2024-11-13 21:53:29,014 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:28" (1/1) ... [2024-11-13 21:53:29,017 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:53:29,022 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:53:29,022 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:53:29,022 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:53:29,023 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:53:28" (1/1) ... [2024-11-13 21:53:29,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:53:29,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7073e1-2c1a-4ae9-88a0-2572aebcbfb6/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:53:29,060 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7073e1-2c1a-4ae9-88a0-2572aebcbfb6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:53:29,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7073e1-2c1a-4ae9-88a0-2572aebcbfb6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:53:29,088 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:53:29,089 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:53:29,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:53:29,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:53:29,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:53:29,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:53:29,251 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:53:29,253 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:53:29,450 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-13 21:53:29,451 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:53:29,513 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:53:29,516 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:53:29,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:53:29 BoogieIcfgContainer [2024-11-13 21:53:29,517 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:53:29,518 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:53:29,518 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:53:29,532 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:53:29,532 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:53:29" (1/1) ... [2024-11-13 21:53:29,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:53:29,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:29,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-11-13 21:53:29,605 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-13 21:53:29,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:53:29,610 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:29,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:29,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7073e1-2c1a-4ae9-88a0-2572aebcbfb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:29,615 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7073e1-2c1a-4ae9-88a0-2572aebcbfb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:29,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7073e1-2c1a-4ae9-88a0-2572aebcbfb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:53:29,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:29,805 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:53:29,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:53:29,847 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 21:53:29,851 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:53:29,911 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 21:53:29,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7073e1-2c1a-4ae9-88a0-2572aebcbfb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 21:53:29,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:53:29,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 29 transitions. [2024-11-13 21:53:29,974 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-11-13 21:53:29,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:53:29,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:53:29,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:53:29,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7073e1-2c1a-4ae9-88a0-2572aebcbfb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:53:29,977 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7073e1-2c1a-4ae9-88a0-2572aebcbfb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:53:29,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7073e1-2c1a-4ae9-88a0-2572aebcbfb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:53:30,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:53:30,180 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:53:30,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:53:30,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:53:30,321 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:53:30,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:53:30,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7073e1-2c1a-4ae9-88a0-2572aebcbfb6/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 21:53:30,382 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 21:53:30,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:53:30 ImpRootNode [2024-11-13 21:53:30,420 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:53:30,421 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:53:30,421 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:53:30,421 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:53:30,422 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:53:29" (3/4) ... [2024-11-13 21:53:30,425 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:53:30,426 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:53:30,429 INFO L158 Benchmark]: Toolchain (without parser) took 2856.87ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 88.9MB in the beginning and 191.5MB in the end (delta: -102.5MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2024-11-13 21:53:30,430 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:53:30,430 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1326.50ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 66.8MB in the end (delta: 21.9MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-13 21:53:30,430 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.27ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 63.8MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:53:30,431 INFO L158 Benchmark]: Boogie Preprocessor took 52.27ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 62.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:53:30,435 INFO L158 Benchmark]: RCFGBuilder took 495.16ms. Allocated memory is still 117.4MB. Free memory was 62.3MB in the beginning and 44.6MB in the end (delta: 17.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 21:53:30,435 INFO L158 Benchmark]: CodeCheck took 902.00ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 44.6MB in the beginning and 191.5MB in the end (delta: -146.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:53:30,436 INFO L158 Benchmark]: Witness Printer took 5.76ms. Allocated memory is still 243.3MB. Free memory was 191.5MB in the beginning and 191.5MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:53:30,438 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 2 procedures, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 19 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 76 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, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 SizeOfPredicates, 0 NumberOfNonLiveVariables, 37 ConjunctsInSsa, 2 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 - UnprovableResult [Line: 1571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1559, overapproximation of large string literal at line 1579, overapproximation of fgets at line 1557. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] static const int STATIC_CONST_FIVE = 5; [L1579] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1579] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1580] CALL CWE191_Integer_Underflow__int_fgets_multiply_06_bad() [L1551] int data; [L1552] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] COND TRUE STATIC_CONST_FIVE==5 [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1559] data = atoi(inputBuffer) [L1567] COND TRUE STATIC_CONST_FIVE==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1326.50ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 66.8MB in the end (delta: 21.9MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.27ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 63.8MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 52.27ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 62.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 495.16ms. Allocated memory is still 117.4MB. Free memory was 62.3MB in the beginning and 44.6MB in the end (delta: 17.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 902.00ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 44.6MB in the beginning and 191.5MB in the end (delta: -146.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.76ms. Allocated memory is still 243.3MB. Free memory was 191.5MB in the beginning and 191.5MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:53:30,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7073e1-2c1a-4ae9-88a0-2572aebcbfb6/bin/ukojak-verify-EEHR8qb7sm/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: UNKNOWN: Overapproximated counterexample