./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_64_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_5d339b0d-10d5-481d-9e20-aafd3c3a8e47/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d339b0d-10d5-481d-9e20-aafd3c3a8e47/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_5d339b0d-10d5-481d-9e20-aafd3c3a8e47/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d339b0d-10d5-481d-9e20-aafd3c3a8e47/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d339b0d-10d5-481d-9e20-aafd3c3a8e47/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_5d339b0d-10d5-481d-9e20-aafd3c3a8e47/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 e1661dff488fa6f4b0ee41c76507d44218cb3dfe66353ab340638e39ccafd644 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:21:39,767 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:21:39,855 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d339b0d-10d5-481d-9e20-aafd3c3a8e47/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-24 18:21:39,863 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:21:39,863 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:21:39,896 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:21:39,900 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:21:39,900 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:21:39,901 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:21:39,901 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:21:39,902 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:21:39,903 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:21:39,904 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:21:39,904 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:21:39,904 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:21:39,904 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:21:39,904 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:21:39,904 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 18:21:39,904 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 18:21:39,904 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:21:39,904 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:21:39,904 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:21:39,904 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:21:39,905 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:21:39,905 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:21:39,905 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:21:39,906 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:21:39,906 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:21:39,906 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:21:39,906 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:21:39,906 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:21:39,906 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:21:39,906 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_5d339b0d-10d5-481d-9e20-aafd3c3a8e47/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 -> e1661dff488fa6f4b0ee41c76507d44218cb3dfe66353ab340638e39ccafd644 [2024-11-24 18:21:40,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:21:40,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:21:40,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:21:40,295 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:21:40,295 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:21:40,297 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d339b0d-10d5-481d-9e20-aafd3c3a8e47/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_64_bad.i [2024-11-24 18:21:43,400 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d339b0d-10d5-481d-9e20-aafd3c3a8e47/bin/ukojak-verify-ENZ3QT5qd3/data/58625d0f5/4fde49b75ea649b99579b005fa308fc4/FLAGf9535765c [2024-11-24 18:21:43,803 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:21:43,804 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d339b0d-10d5-481d-9e20-aafd3c3a8e47/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_64_bad.i [2024-11-24 18:21:43,844 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d339b0d-10d5-481d-9e20-aafd3c3a8e47/bin/ukojak-verify-ENZ3QT5qd3/data/58625d0f5/4fde49b75ea649b99579b005fa308fc4/FLAGf9535765c [2024-11-24 18:21:43,865 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d339b0d-10d5-481d-9e20-aafd3c3a8e47/bin/ukojak-verify-ENZ3QT5qd3/data/58625d0f5/4fde49b75ea649b99579b005fa308fc4 [2024-11-24 18:21:43,868 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:21:43,869 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:21:43,872 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:21:43,872 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:21:43,877 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:21:43,878 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:21:43" (1/1) ... [2024-11-24 18:21:43,882 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34c68347 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:43, skipping insertion in model container [2024-11-24 18:21:43,883 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:21:43" (1/1) ... [2024-11-24 18:21:43,947 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:21:44,887 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:21:44,902 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:21:45,020 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:21:45,142 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:21:45,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:45 WrapperNode [2024-11-24 18:21:45,143 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:21:45,144 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:21:45,144 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:21:45,144 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:21:45,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:45" (1/1) ... [2024-11-24 18:21:45,168 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:45" (1/1) ... [2024-11-24 18:21:45,187 INFO L138 Inliner]: procedures = 499, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 68 [2024-11-24 18:21:45,188 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:21:45,189 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:21:45,189 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:21:45,189 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:21:45,196 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:45" (1/1) ... [2024-11-24 18:21:45,197 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:45" (1/1) ... [2024-11-24 18:21:45,199 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:45" (1/1) ... [2024-11-24 18:21:45,199 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:45" (1/1) ... [2024-11-24 18:21:45,205 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:45" (1/1) ... [2024-11-24 18:21:45,206 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:45" (1/1) ... [2024-11-24 18:21:45,207 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:45" (1/1) ... [2024-11-24 18:21:45,209 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:45" (1/1) ... [2024-11-24 18:21:45,210 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:45" (1/1) ... [2024-11-24 18:21:45,212 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:21:45,213 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:21:45,213 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:21:45,213 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:21:45,214 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:45" (1/1) ... [2024-11-24 18:21:45,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:21:45,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d339b0d-10d5-481d-9e20-aafd3c3a8e47/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:21:45,267 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d339b0d-10d5-481d-9e20-aafd3c3a8e47/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:21:45,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d339b0d-10d5-481d-9e20-aafd3c3a8e47/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:21:45,300 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-24 18:21:45,301 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-24 18:21:45,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 18:21:45,301 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-24 18:21:45,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:21:45,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:21:45,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:21:45,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 18:21:45,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-24 18:21:45,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 18:21:45,464 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:21:45,465 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:21:45,715 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-24 18:21:45,715 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:21:45,768 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:21:45,768 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 18:21:45,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:21:45 BoogieIcfgContainer [2024-11-24 18:21:45,772 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:21:45,773 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:21:45,773 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:21:45,783 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:21:45,784 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:21:45" (1/1) ... [2024-11-24 18:21:45,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:21:45,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:21:45,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-24 18:21:45,858 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-24 18:21:45,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-24 18:21:45,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:21:45,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:21:46,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:46,468 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 18:21:46,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:21:46,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-24 18:21:46,549 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-24 18:21:46,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-24 18:21:46,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:21:46,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:21:46,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:21:46,615 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:21:46,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:21:46,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:21:46,747 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:21:46,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:21:46,799 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-24 18:21:46,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:21:46 ImpRootNode [2024-11-24 18:21:46,836 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:21:46,837 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:21:46,837 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:21:46,837 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:21:46,838 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:21:45" (3/4) ... [2024-11-24 18:21:46,840 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 18:21:46,841 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:21:46,844 INFO L158 Benchmark]: Toolchain (without parser) took 2972.65ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 55.1MB in the end (delta: 33.9MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2024-11-24 18:21:46,845 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:21:46,846 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1271.67ms. Allocated memory is still 117.4MB. Free memory was 88.7MB in the beginning and 81.6MB in the end (delta: 7.1MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-24 18:21:46,846 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.22ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 78.8MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:21:46,847 INFO L158 Benchmark]: Boogie Preprocessor took 23.44ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 77.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:21:46,849 INFO L158 Benchmark]: RCFGBuilder took 559.68ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 63.2MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:21:46,849 INFO L158 Benchmark]: CodeCheck took 1063.29ms. Allocated memory is still 117.4MB. Free memory was 63.2MB in the beginning and 55.1MB in the end (delta: 8.1MB). Peak memory consumption was 1.1MB. Max. memory is 16.1GB. [2024-11-24 18:21:46,851 INFO L158 Benchmark]: Witness Printer took 4.40ms. Allocated memory is still 117.4MB. Free memory was 55.1MB in the beginning and 55.1MB in the end (delta: 11.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:21:46,853 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: 1.0s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 9 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 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, 0.5s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 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: 1579]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of fgets at line 1555. 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); [L1569] 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) [L1569] 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] [L1570] CALL CWE190_Integer_Overflow__int_fgets_add_64_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={25729:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1564] CALL CWE190_Integer_Overflow__int_fgets_add_64b_badSink(&data) [L1576] int * dataPtr = (int *)dataVoidPtr; [L1577] EXPR \read(*dataPtr) [L1577] int data = (*dataPtr); [L1579] data + 1 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 0.44ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1271.67ms. Allocated memory is still 117.4MB. Free memory was 88.7MB in the beginning and 81.6MB in the end (delta: 7.1MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.22ms. Allocated memory is still 117.4MB. Free memory was 81.6MB in the beginning and 78.8MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.44ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 77.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 559.68ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 63.2MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1063.29ms. Allocated memory is still 117.4MB. Free memory was 63.2MB in the beginning and 55.1MB in the end (delta: 8.1MB). Peak memory consumption was 1.1MB. Max. memory is 16.1GB. * Witness Printer took 4.40ms. Allocated memory is still 117.4MB. Free memory was 55.1MB in the beginning and 55.1MB in the end (delta: 11.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 18:21:46,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d339b0d-10d5-481d-9e20-aafd3c3a8e47/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_5d339b0d-10d5-481d-9e20-aafd3c3a8e47/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d339b0d-10d5-481d-9e20-aafd3c3a8e47/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_5d339b0d-10d5-481d-9e20-aafd3c3a8e47/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d339b0d-10d5-481d-9e20-aafd3c3a8e47/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d339b0d-10d5-481d-9e20-aafd3c3a8e47/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_5d339b0d-10d5-481d-9e20-aafd3c3a8e47/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 e1661dff488fa6f4b0ee41c76507d44218cb3dfe66353ab340638e39ccafd644 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:21:49,488 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:21:49,603 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d339b0d-10d5-481d-9e20-aafd3c3a8e47/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-24 18:21:49,631 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:21:49,632 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:21:49,632 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:21:49,632 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:21:49,633 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:21:49,633 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:21:49,633 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:21:49,633 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:21:49,633 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:21:49,633 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:21:49,634 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:21:49,634 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 18:21:49,634 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 18:21:49,634 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 18:21:49,634 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 18:21:49,634 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 18:21:49,634 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:21:49,635 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:21:49,635 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:21:49,635 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:21:49,635 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:21:49,635 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:21:49,635 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:21:49,635 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-24 18:21:49,635 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:21:49,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:21:49,636 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:21:49,636 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:21:49,636 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:21:49,636 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-24 18:21:49,636 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:21:49,636 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-24 18:21:49,636 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_5d339b0d-10d5-481d-9e20-aafd3c3a8e47/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 -> e1661dff488fa6f4b0ee41c76507d44218cb3dfe66353ab340638e39ccafd644 [2024-11-24 18:21:49,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:21:49,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:21:49,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:21:49,978 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:21:49,979 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:21:49,980 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d339b0d-10d5-481d-9e20-aafd3c3a8e47/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_64_bad.i [2024-11-24 18:21:52,919 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d339b0d-10d5-481d-9e20-aafd3c3a8e47/bin/ukojak-verify-ENZ3QT5qd3/data/f0aec6e80/81979ae356304081a6346cddffc682f0/FLAGf37b9aef6 [2024-11-24 18:21:53,364 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:21:53,365 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d339b0d-10d5-481d-9e20-aafd3c3a8e47/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_64_bad.i [2024-11-24 18:21:53,409 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d339b0d-10d5-481d-9e20-aafd3c3a8e47/bin/ukojak-verify-ENZ3QT5qd3/data/f0aec6e80/81979ae356304081a6346cddffc682f0/FLAGf37b9aef6 [2024-11-24 18:21:53,429 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d339b0d-10d5-481d-9e20-aafd3c3a8e47/bin/ukojak-verify-ENZ3QT5qd3/data/f0aec6e80/81979ae356304081a6346cddffc682f0 [2024-11-24 18:21:53,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:21:53,435 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:21:53,438 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:21:53,439 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:21:53,445 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:21:53,446 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:21:53" (1/1) ... [2024-11-24 18:21:53,449 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40650854 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:53, skipping insertion in model container [2024-11-24 18:21:53,449 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:21:53" (1/1) ... [2024-11-24 18:21:53,520 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:21:54,418 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-24 18:21:54,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:21:54,442 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:21:54,622 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:21:54,790 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:21:54,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:54 WrapperNode [2024-11-24 18:21:54,792 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:21:54,793 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:21:54,793 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:21:54,793 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:21:54,801 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:54" (1/1) ... [2024-11-24 18:21:54,824 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:54" (1/1) ... [2024-11-24 18:21:54,849 INFO L138 Inliner]: procedures = 504, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 67 [2024-11-24 18:21:54,849 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:21:54,850 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:21:54,850 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:21:54,850 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:21:54,857 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:54" (1/1) ... [2024-11-24 18:21:54,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:54" (1/1) ... [2024-11-24 18:21:54,866 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:54" (1/1) ... [2024-11-24 18:21:54,866 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:54" (1/1) ... [2024-11-24 18:21:54,874 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:54" (1/1) ... [2024-11-24 18:21:54,875 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:54" (1/1) ... [2024-11-24 18:21:54,877 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:54" (1/1) ... [2024-11-24 18:21:54,880 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:54" (1/1) ... [2024-11-24 18:21:54,881 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:54" (1/1) ... [2024-11-24 18:21:54,884 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:21:54,885 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:21:54,885 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:21:54,885 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:21:54,886 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:21:54" (1/1) ... [2024-11-24 18:21:54,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:21:54,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d339b0d-10d5-481d-9e20-aafd3c3a8e47/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:21:54,922 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d339b0d-10d5-481d-9e20-aafd3c3a8e47/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:21:54,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d339b0d-10d5-481d-9e20-aafd3c3a8e47/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:21:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-24 18:21:54,952 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-24 18:21:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 18:21:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-24 18:21:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:21:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:21:54,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:21:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-24 18:21:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 18:21:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-24 18:21:55,118 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:21:55,120 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:21:55,330 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-24 18:21:55,330 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:21:55,392 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:21:55,392 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 18:21:55,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:21:55 BoogieIcfgContainer [2024-11-24 18:21:55,393 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:21:55,394 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:21:55,394 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:21:55,405 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:21:55,406 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:21:55" (1/1) ... [2024-11-24 18:21:55,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:21:55,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:21:55,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-24 18:21:55,461 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-24 18:21:55,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-24 18:21:55,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:21:55,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:21:55,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d339b0d-10d5-481d-9e20-aafd3c3a8e47/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:21:55,470 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d339b0d-10d5-481d-9e20-aafd3c3a8e47/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:21:55,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d339b0d-10d5-481d-9e20-aafd3c3a8e47/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-24 18:21:55,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:55,694 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:21:55,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:55,773 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 18:21:55,776 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:21:55,807 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 18:21:55,809 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d339b0d-10d5-481d-9e20-aafd3c3a8e47/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-24 18:21:55,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d339b0d-10d5-481d-9e20-aafd3c3a8e47/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-24 18:21:55,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:21:55,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-24 18:21:55,839 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-24 18:21:55,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-24 18:21:55,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:21:55,840 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:21:55,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d339b0d-10d5-481d-9e20-aafd3c3a8e47/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:21:55,843 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d339b0d-10d5-481d-9e20-aafd3c3a8e47/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:21:55,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d339b0d-10d5-481d-9e20-aafd3c3a8e47/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-24 18:21:56,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:21:56,085 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:21:56,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:21:56,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:21:56,345 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:21:56,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:21:56,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d339b0d-10d5-481d-9e20-aafd3c3a8e47/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-24 18:21:56,429 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-24 18:21:56,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:21:56 ImpRootNode [2024-11-24 18:21:56,468 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:21:56,469 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:21:56,469 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:21:56,469 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:21:56,471 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:21:55" (3/4) ... [2024-11-24 18:21:56,473 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 18:21:56,474 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:21:56,475 INFO L158 Benchmark]: Toolchain (without parser) took 3039.88ms. Allocated memory was 83.9MB in the beginning and 167.8MB in the end (delta: 83.9MB). Free memory was 57.4MB in the beginning and 74.4MB in the end (delta: -16.9MB). Peak memory consumption was 67.3MB. Max. memory is 16.1GB. [2024-11-24 18:21:56,475 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:21:56,477 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1354.24ms. Allocated memory was 83.9MB in the beginning and 167.8MB in the end (delta: 83.9MB). Free memory was 57.4MB in the beginning and 135.4MB in the end (delta: -77.9MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. [2024-11-24 18:21:56,477 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.52ms. Allocated memory is still 167.8MB. Free memory was 135.4MB in the beginning and 132.8MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:21:56,478 INFO L158 Benchmark]: Boogie Preprocessor took 34.68ms. Allocated memory is still 167.8MB. Free memory was 132.8MB in the beginning and 130.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:21:56,478 INFO L158 Benchmark]: RCFGBuilder took 507.88ms. Allocated memory is still 167.8MB. Free memory was 130.9MB in the beginning and 113.1MB in the end (delta: 17.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-24 18:21:56,479 INFO L158 Benchmark]: CodeCheck took 1074.63ms. Allocated memory is still 167.8MB. Free memory was 113.1MB in the beginning and 74.4MB in the end (delta: 38.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-24 18:21:56,480 INFO L158 Benchmark]: Witness Printer took 5.30ms. Allocated memory is still 167.8MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:21:56,483 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: 1.0s, 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, 79 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: 1579]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of fgets at line 1555. 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); [L1569] 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) [L1569] 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] [L1570] CALL CWE190_Integer_Overflow__int_fgets_add_64_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1564] CALL CWE190_Integer_Overflow__int_fgets_add_64b_badSink(&data) [L1576] int * dataPtr = (int *)dataVoidPtr; [L1577] EXPR \read(*dataPtr) [L1577] int data = (*dataPtr); [L1579] data + 1 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 0.35ms. Allocated memory is still 83.9MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1354.24ms. Allocated memory was 83.9MB in the beginning and 167.8MB in the end (delta: 83.9MB). Free memory was 57.4MB in the beginning and 135.4MB in the end (delta: -77.9MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.52ms. Allocated memory is still 167.8MB. Free memory was 135.4MB in the beginning and 132.8MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.68ms. Allocated memory is still 167.8MB. Free memory was 132.8MB in the beginning and 130.9MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 507.88ms. Allocated memory is still 167.8MB. Free memory was 130.9MB in the beginning and 113.1MB in the end (delta: 17.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 1074.63ms. Allocated memory is still 167.8MB. Free memory was 113.1MB in the beginning and 74.4MB in the end (delta: 38.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 5.30ms. Allocated memory is still 167.8MB. Free memory is still 74.4MB. 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 18:21:56,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d339b0d-10d5-481d-9e20-aafd3c3a8e47/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