./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_32_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6616d1fd-8ca3-4ace-a799-d0500ce008b5/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6616d1fd-8ca3-4ace-a799-d0500ce008b5/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6616d1fd-8ca3-4ace-a799-d0500ce008b5/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6616d1fd-8ca3-4ace-a799-d0500ce008b5/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6616d1fd-8ca3-4ace-a799-d0500ce008b5/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6616d1fd-8ca3-4ace-a799-d0500ce008b5/bin/ukojak-verify-ENZ3QT5qd3 --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 dde6ea9810d2524513b68b8cd684b1cdf9f4adbcb04b7a96a143a0fb94fb1578 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:02:21,675 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:02:21,789 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6616d1fd-8ca3-4ace-a799-d0500ce008b5/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-24 18:02:21,800 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:02:21,803 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:02:21,849 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:02:21,850 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:02:21,851 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:02:21,852 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:02:21,852 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:02:21,853 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:02:21,853 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:02:21,854 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:02:21,854 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:02:21,854 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:02:21,854 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:02:21,854 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:02:21,855 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 18:02:21,856 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 18:02:21,857 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:02:21,857 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:02:21,857 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:02:21,857 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:02:21,857 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:02:21,857 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:02:21,858 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:02:21,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:02:21,858 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:02:21,858 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:02:21,858 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:02:21,859 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:02:21,859 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:02:21,859 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_6616d1fd-8ca3-4ace-a799-d0500ce008b5/bin/ukojak-verify-ENZ3QT5qd3 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 -> dde6ea9810d2524513b68b8cd684b1cdf9f4adbcb04b7a96a143a0fb94fb1578 [2024-11-24 18:02:22,287 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:02:22,301 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:02:22,307 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:02:22,310 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:02:22,310 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:02:22,311 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6616d1fd-8ca3-4ace-a799-d0500ce008b5/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_32_bad.i [2024-11-24 18:02:25,343 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6616d1fd-8ca3-4ace-a799-d0500ce008b5/bin/ukojak-verify-ENZ3QT5qd3/data/6a9c84648/d835e0dde56c4f23b2d07ada8303e141/FLAGe22a768cd [2024-11-24 18:02:25,793 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:02:25,794 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6616d1fd-8ca3-4ace-a799-d0500ce008b5/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_32_bad.i [2024-11-24 18:02:25,814 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6616d1fd-8ca3-4ace-a799-d0500ce008b5/bin/ukojak-verify-ENZ3QT5qd3/data/6a9c84648/d835e0dde56c4f23b2d07ada8303e141/FLAGe22a768cd [2024-11-24 18:02:25,829 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6616d1fd-8ca3-4ace-a799-d0500ce008b5/bin/ukojak-verify-ENZ3QT5qd3/data/6a9c84648/d835e0dde56c4f23b2d07ada8303e141 [2024-11-24 18:02:25,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:02:25,833 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:02:25,835 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:02:25,835 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:02:25,840 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:02:25,841 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:02:25" (1/1) ... [2024-11-24 18:02:25,843 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26f60bea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:25, skipping insertion in model container [2024-11-24 18:02:25,846 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:02:25" (1/1) ... [2024-11-24 18:02:25,911 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:02:27,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:02:27,137 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:02:27,276 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:02:27,418 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:02:27,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:27 WrapperNode [2024-11-24 18:02:27,418 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:02:27,419 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:02:27,420 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:02:27,420 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:02:27,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:27" (1/1) ... [2024-11-24 18:02:27,449 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:27" (1/1) ... [2024-11-24 18:02:27,475 INFO L138 Inliner]: procedures = 498, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2024-11-24 18:02:27,476 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:02:27,477 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:02:27,477 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:02:27,477 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:02:27,486 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:27" (1/1) ... [2024-11-24 18:02:27,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:27" (1/1) ... [2024-11-24 18:02:27,492 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:27" (1/1) ... [2024-11-24 18:02:27,493 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:27" (1/1) ... [2024-11-24 18:02:27,499 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:27" (1/1) ... [2024-11-24 18:02:27,500 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:27" (1/1) ... [2024-11-24 18:02:27,501 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:27" (1/1) ... [2024-11-24 18:02:27,503 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:27" (1/1) ... [2024-11-24 18:02:27,503 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:27" (1/1) ... [2024-11-24 18:02:27,506 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:02:27,507 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:02:27,507 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:02:27,507 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:02:27,508 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:27" (1/1) ... [2024-11-24 18:02:27,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:02:27,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6616d1fd-8ca3-4ace-a799-d0500ce008b5/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:02:27,547 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6616d1fd-8ca3-4ace-a799-d0500ce008b5/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:02:27,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6616d1fd-8ca3-4ace-a799-d0500ce008b5/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:02:27,573 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-24 18:02:27,573 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-24 18:02:27,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 18:02:27,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-24 18:02:27,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:02:27,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:02:27,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:02:27,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 18:02:27,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-24 18:02:27,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 18:02:27,758 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:02:27,760 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:02:27,896 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-24 18:02:27,896 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:02:27,935 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:02:27,936 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 18:02:27,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:02:27 BoogieIcfgContainer [2024-11-24 18:02:27,936 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:02:27,937 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:02:27,937 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:02:27,949 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:02:27,949 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:02:27" (1/1) ... [2024-11-24 18:02:27,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:02:28,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:02:28,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-24 18:02:28,022 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-24 18:02:28,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-24 18:02:28,029 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:02:28,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:02:28,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:02:28,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:02:28,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:02:28,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-11-24 18:02:28,943 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-24 18:02:28,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-24 18:02:28,943 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:02:28,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:02:29,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:02:29,045 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:02:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:02:29,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:02:29,186 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:02:29,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:02:29,249 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-24 18:02:29,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:02:29 ImpRootNode [2024-11-24 18:02:29,286 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:02:29,287 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:02:29,287 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:02:29,287 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:02:29,288 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:02:27" (3/4) ... [2024-11-24 18:02:29,290 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 18:02:29,291 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:02:29,292 INFO L158 Benchmark]: Toolchain (without parser) took 3458.85ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 99.3MB in the end (delta: 3.6MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2024-11-24 18:02:29,293 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:02:29,293 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1584.00ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 43.2MB in the end (delta: 59.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-24 18:02:29,294 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.55ms. Allocated memory is still 142.6MB. Free memory was 43.2MB in the beginning and 40.6MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:02:29,294 INFO L158 Benchmark]: Boogie Preprocessor took 29.29ms. Allocated memory is still 142.6MB. Free memory was 40.6MB in the beginning and 39.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:02:29,294 INFO L158 Benchmark]: RCFGBuilder took 429.37ms. Allocated memory is still 142.6MB. Free memory was 39.5MB in the beginning and 92.2MB in the end (delta: -52.7MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2024-11-24 18:02:29,296 INFO L158 Benchmark]: CodeCheck took 1348.86ms. Allocated memory is still 142.6MB. Free memory was 92.2MB in the beginning and 99.3MB in the end (delta: -7.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:02:29,297 INFO L158 Benchmark]: Witness Printer took 4.70ms. Allocated memory is still 142.6MB. Free memory was 99.3MB in the beginning and 99.3MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:02:29,302 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 11 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 28 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1560, overapproximation of fgets at line 1558. 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); [L1581] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1581] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1582] CALL CWE190_Integer_Overflow__int_fgets_postinc_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, dataPtr1={9644:0}, dataPtr2={9644:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] data = atoi(inputBuffer) [L1567] *dataPtr1 = data [L1570] EXPR \read(*dataPtr2) [L1570] int data = *dataPtr2; [L1572] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, 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 0.24ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1584.00ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 43.2MB in the end (delta: 59.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.55ms. Allocated memory is still 142.6MB. Free memory was 43.2MB in the beginning and 40.6MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.29ms. Allocated memory is still 142.6MB. Free memory was 40.6MB in the beginning and 39.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 429.37ms. Allocated memory is still 142.6MB. Free memory was 39.5MB in the beginning and 92.2MB in the end (delta: -52.7MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * CodeCheck took 1348.86ms. Allocated memory is still 142.6MB. Free memory was 92.2MB in the beginning and 99.3MB in the end (delta: -7.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.70ms. Allocated memory is still 142.6MB. Free memory was 99.3MB in the beginning and 99.3MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 18:02:29,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6616d1fd-8ca3-4ace-a799-d0500ce008b5/bin/ukojak-verify-ENZ3QT5qd3/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 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_6616d1fd-8ca3-4ace-a799-d0500ce008b5/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6616d1fd-8ca3-4ace-a799-d0500ce008b5/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6616d1fd-8ca3-4ace-a799-d0500ce008b5/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6616d1fd-8ca3-4ace-a799-d0500ce008b5/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6616d1fd-8ca3-4ace-a799-d0500ce008b5/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6616d1fd-8ca3-4ace-a799-d0500ce008b5/bin/ukojak-verify-ENZ3QT5qd3 --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 dde6ea9810d2524513b68b8cd684b1cdf9f4adbcb04b7a96a143a0fb94fb1578 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:02:32,431 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:02:32,525 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6616d1fd-8ca3-4ace-a799-d0500ce008b5/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-24 18:02:32,594 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:02:32,596 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:02:32,596 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:02:32,597 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:02:32,597 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:02:32,597 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:02:32,598 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:02:32,598 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:02:32,599 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:02:32,599 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:02:32,600 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:02:32,600 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 18:02:32,600 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 18:02:32,600 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 18:02:32,600 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 18:02:32,600 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 18:02:32,600 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:02:32,600 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:02:32,600 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:02:32,601 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:02:32,601 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:02:32,601 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:02:32,601 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:02:32,601 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-24 18:02:32,601 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:02:32,601 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:02:32,601 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:02:32,601 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:02:32,601 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:02:32,602 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-24 18:02:32,602 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:02:32,602 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-24 18:02:32,602 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_6616d1fd-8ca3-4ace-a799-d0500ce008b5/bin/ukojak-verify-ENZ3QT5qd3 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 -> dde6ea9810d2524513b68b8cd684b1cdf9f4adbcb04b7a96a143a0fb94fb1578 [2024-11-24 18:02:32,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:02:32,994 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:02:32,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:02:33,000 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:02:33,001 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:02:33,002 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6616d1fd-8ca3-4ace-a799-d0500ce008b5/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_32_bad.i [2024-11-24 18:02:36,139 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6616d1fd-8ca3-4ace-a799-d0500ce008b5/bin/ukojak-verify-ENZ3QT5qd3/data/eca2dc2df/78783f3c67aa416bbdb694c10f7627de/FLAG946c5c059 [2024-11-24 18:02:36,670 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:02:36,671 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6616d1fd-8ca3-4ace-a799-d0500ce008b5/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_32_bad.i [2024-11-24 18:02:36,712 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6616d1fd-8ca3-4ace-a799-d0500ce008b5/bin/ukojak-verify-ENZ3QT5qd3/data/eca2dc2df/78783f3c67aa416bbdb694c10f7627de/FLAG946c5c059 [2024-11-24 18:02:37,218 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6616d1fd-8ca3-4ace-a799-d0500ce008b5/bin/ukojak-verify-ENZ3QT5qd3/data/eca2dc2df/78783f3c67aa416bbdb694c10f7627de [2024-11-24 18:02:37,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:02:37,222 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:02:37,224 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:02:37,224 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:02:37,229 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:02:37,231 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:02:37" (1/1) ... [2024-11-24 18:02:37,232 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@84f0d12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:37, skipping insertion in model container [2024-11-24 18:02:37,232 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:02:37" (1/1) ... [2024-11-24 18:02:37,290 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:02:38,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:02:38,364 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:02:38,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:02:38,686 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:02:38,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:38 WrapperNode [2024-11-24 18:02:38,687 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:02:38,688 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:02:38,688 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:02:38,688 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:02:38,696 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:38" (1/1) ... [2024-11-24 18:02:38,722 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:38" (1/1) ... [2024-11-24 18:02:38,749 INFO L138 Inliner]: procedures = 503, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2024-11-24 18:02:38,750 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:02:38,750 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:02:38,750 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:02:38,751 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:02:38,759 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:38" (1/1) ... [2024-11-24 18:02:38,759 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:38" (1/1) ... [2024-11-24 18:02:38,763 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:38" (1/1) ... [2024-11-24 18:02:38,763 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:38" (1/1) ... [2024-11-24 18:02:38,772 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:38" (1/1) ... [2024-11-24 18:02:38,774 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:38" (1/1) ... [2024-11-24 18:02:38,775 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:38" (1/1) ... [2024-11-24 18:02:38,778 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:38" (1/1) ... [2024-11-24 18:02:38,779 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:38" (1/1) ... [2024-11-24 18:02:38,783 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:02:38,784 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:02:38,784 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:02:38,784 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:02:38,786 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:02:38" (1/1) ... [2024-11-24 18:02:38,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:02:38,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6616d1fd-8ca3-4ace-a799-d0500ce008b5/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:02:38,837 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6616d1fd-8ca3-4ace-a799-d0500ce008b5/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:02:38,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6616d1fd-8ca3-4ace-a799-d0500ce008b5/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:02:38,870 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-24 18:02:38,870 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-24 18:02:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 18:02:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-24 18:02:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:02:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:02:38,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:02:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-24 18:02:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 18:02:38,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-24 18:02:39,106 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:02:39,109 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:02:39,377 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-24 18:02:39,377 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:02:39,463 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:02:39,464 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 18:02:39,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:02:39 BoogieIcfgContainer [2024-11-24 18:02:39,464 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:02:39,465 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:02:39,465 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:02:39,478 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:02:39,479 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:02:39" (1/1) ... [2024-11-24 18:02:39,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:02:39,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:02:39,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-24 18:02:39,553 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-24 18:02:39,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-24 18:02:39,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:02:39,559 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:02:39,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6616d1fd-8ca3-4ace-a799-d0500ce008b5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:02:39,564 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6616d1fd-8ca3-4ace-a799-d0500ce008b5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:02:39,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6616d1fd-8ca3-4ace-a799-d0500ce008b5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-24 18:02:39,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:02:39,823 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:02:39,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:02:39,931 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 18:02:39,935 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:02:39,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:02:39,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6616d1fd-8ca3-4ace-a799-d0500ce008b5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-24 18:02:39,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:02:39,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-24 18:02:39,997 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-24 18:02:39,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-24 18:02:39,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:02:39,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:02:39,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6616d1fd-8ca3-4ace-a799-d0500ce008b5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:02:40,001 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6616d1fd-8ca3-4ace-a799-d0500ce008b5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:02:40,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6616d1fd-8ca3-4ace-a799-d0500ce008b5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-24 18:02:40,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:02:40,302 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:02:40,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:02:40,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:02:40,585 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:02:40,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:02:40,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6616d1fd-8ca3-4ace-a799-d0500ce008b5/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-24 18:02:40,683 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-24 18:02:40,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:02:40 ImpRootNode [2024-11-24 18:02:40,725 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:02:40,727 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:02:40,727 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:02:40,727 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:02:40,728 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:02:39" (3/4) ... [2024-11-24 18:02:40,730 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 18:02:40,731 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:02:40,734 INFO L158 Benchmark]: Toolchain (without parser) took 3510.07ms. Allocated memory was 83.9MB in the beginning and 201.3MB in the end (delta: 117.4MB). Free memory was 58.2MB in the beginning and 109.5MB in the end (delta: -51.3MB). Peak memory consumption was 67.4MB. Max. memory is 16.1GB. [2024-11-24 18:02:40,735 INFO L158 Benchmark]: CDTParser took 3.44ms. Allocated memory is still 83.9MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:02:40,735 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1463.82ms. Allocated memory was 83.9MB in the beginning and 201.3MB in the end (delta: 117.4MB). Free memory was 57.9MB in the beginning and 171.4MB in the end (delta: -113.5MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2024-11-24 18:02:40,735 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.72ms. Allocated memory is still 201.3MB. Free memory was 171.4MB in the beginning and 168.5MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:02:40,737 INFO L158 Benchmark]: Boogie Preprocessor took 33.30ms. Allocated memory is still 201.3MB. Free memory was 168.5MB in the beginning and 167.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:02:40,737 INFO L158 Benchmark]: RCFGBuilder took 680.32ms. Allocated memory is still 201.3MB. Free memory was 167.1MB in the beginning and 148.9MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:02:40,738 INFO L158 Benchmark]: CodeCheck took 1260.73ms. Allocated memory is still 201.3MB. Free memory was 148.9MB in the beginning and 109.5MB in the end (delta: 39.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-24 18:02:40,739 INFO L158 Benchmark]: Witness Printer took 4.75ms. Allocated memory is still 201.3MB. Free memory is still 109.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:02:40,741 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 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, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 80 ConjunctsInSsa, 1 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1560, overapproximation of fgets at line 1558. 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); [L1581] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1581] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1582] CALL CWE190_Integer_Overflow__int_fgets_postinc_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, dataPtr1={5:0}, dataPtr2={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] data = atoi(inputBuffer) [L1567] *dataPtr1 = data [L1570] EXPR \read(*dataPtr2) [L1570] int data = *dataPtr2; [L1572] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, 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 3.44ms. Allocated memory is still 83.9MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1463.82ms. Allocated memory was 83.9MB in the beginning and 201.3MB in the end (delta: 117.4MB). Free memory was 57.9MB in the beginning and 171.4MB in the end (delta: -113.5MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.72ms. Allocated memory is still 201.3MB. Free memory was 171.4MB in the beginning and 168.5MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.30ms. Allocated memory is still 201.3MB. Free memory was 168.5MB in the beginning and 167.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 680.32ms. Allocated memory is still 201.3MB. Free memory was 167.1MB in the beginning and 148.9MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1260.73ms. Allocated memory is still 201.3MB. Free memory was 148.9MB in the beginning and 109.5MB in the end (delta: 39.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 4.75ms. Allocated memory is still 201.3MB. Free memory is still 109.5MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 18:02:40,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6616d1fd-8ca3-4ace-a799-d0500ce008b5/bin/ukojak-verify-ENZ3QT5qd3/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