./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_02_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204dacf-03cd-4ca6-84b9-192b8d96501d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204dacf-03cd-4ca6-84b9-192b8d96501d/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204dacf-03cd-4ca6-84b9-192b8d96501d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204dacf-03cd-4ca6-84b9-192b8d96501d/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204dacf-03cd-4ca6-84b9-192b8d96501d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204dacf-03cd-4ca6-84b9-192b8d96501d/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash be67fa318ddd3734dd0eaafb718d9d1ab23763475ca4e4f14b378a99bf51a733 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:40:26,476 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:40:26,560 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204dacf-03cd-4ca6-84b9-192b8d96501d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 16:40:26,572 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:40:26,572 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:40:26,619 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:40:26,620 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:40:26,621 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:40:26,621 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:40:26,622 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:40:26,623 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:40:26,624 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:40:26,624 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:40:26,624 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:40:26,624 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:40:26,624 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:40:26,624 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:40:26,625 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:40:26,625 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:40:26,625 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:40:26,626 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:40:26,626 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:40:26,626 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:40:26,626 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:40:26,626 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:40:26,627 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:40:26,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:40:26,627 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:40:26,627 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:40:26,627 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:40:26,627 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:40:26,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:40:26,627 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_d204dacf-03cd-4ca6-84b9-192b8d96501d/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be67fa318ddd3734dd0eaafb718d9d1ab23763475ca4e4f14b378a99bf51a733 [2024-11-13 16:40:27,064 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:40:27,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:40:27,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:40:27,081 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:40:27,081 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:40:27,084 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204dacf-03cd-4ca6-84b9-192b8d96501d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_02_bad.i Unable to find full path for "g++" [2024-11-13 16:40:29,209 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:40:29,727 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:40:29,728 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204dacf-03cd-4ca6-84b9-192b8d96501d/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_02_bad.i [2024-11-13 16:40:29,757 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204dacf-03cd-4ca6-84b9-192b8d96501d/bin/ukojak-verify-EEHR8qb7sm/data/c8bda8269/d301e06393d64086a55872d44650c458/FLAG1cd2e8ab6 [2024-11-13 16:40:29,787 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204dacf-03cd-4ca6-84b9-192b8d96501d/bin/ukojak-verify-EEHR8qb7sm/data/c8bda8269/d301e06393d64086a55872d44650c458 [2024-11-13 16:40:29,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:40:29,793 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:40:29,795 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:40:29,795 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:40:29,801 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:40:29,802 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:40:29" (1/1) ... [2024-11-13 16:40:29,803 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77417e10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:29, skipping insertion in model container [2024-11-13 16:40:29,804 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:40:29" (1/1) ... [2024-11-13 16:40:29,898 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:40:31,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:40:31,208 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:40:31,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:40:31,466 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:40:31,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:31 WrapperNode [2024-11-13 16:40:31,468 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:40:31,470 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:40:31,473 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:40:31,473 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:40:31,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:31" (1/1) ... [2024-11-13 16:40:31,515 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:31" (1/1) ... [2024-11-13 16:40:31,538 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2024-11-13 16:40:31,539 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:40:31,539 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:40:31,539 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:40:31,539 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:40:31,548 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:31" (1/1) ... [2024-11-13 16:40:31,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:31" (1/1) ... [2024-11-13 16:40:31,551 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:31" (1/1) ... [2024-11-13 16:40:31,551 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:31" (1/1) ... [2024-11-13 16:40:31,557 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:31" (1/1) ... [2024-11-13 16:40:31,559 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:31" (1/1) ... [2024-11-13 16:40:31,561 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:31" (1/1) ... [2024-11-13 16:40:31,562 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:31" (1/1) ... [2024-11-13 16:40:31,564 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:40:31,565 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:40:31,565 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:40:31,565 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:40:31,566 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:31" (1/1) ... [2024-11-13 16:40:31,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:40:31,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204dacf-03cd-4ca6-84b9-192b8d96501d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:40:31,615 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204dacf-03cd-4ca6-84b9-192b8d96501d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:40:31,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204dacf-03cd-4ca6-84b9-192b8d96501d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:40:31,659 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 16:40:31,662 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 16:40:31,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:40:31,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:40:31,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:40:31,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:40:31,849 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:40:31,852 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:40:32,034 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 16:40:32,035 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:40:32,075 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:40:32,076 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 16:40:32,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:40:32 BoogieIcfgContainer [2024-11-13 16:40:32,076 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:40:32,077 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:40:32,077 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:40:32,089 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:40:32,089 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:40:32" (1/1) ... [2024-11-13 16:40:32,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:40:32,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:40:32,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-11-13 16:40:32,161 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-13 16:40:32,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:40:32,166 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:40:32,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:40:32,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:40:32,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:40:32,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:40:32,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2024-11-13 16:40:32,432 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2024-11-13 16:40:32,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 16:40:32,432 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:40:32,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:40:32,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:40:32,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:40:32,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:40:32,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2024-11-13 16:40:32,667 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2024-11-13 16:40:32,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 16:40:32,667 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:40:32,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:40:32,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:40:32,707 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:40:32,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:40:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:40:32,834 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:40:32,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:40:32,887 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-13 16:40:32,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:40:32 ImpRootNode [2024-11-13 16:40:32,936 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:40:32,938 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:40:32,938 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:40:32,939 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:40:32,940 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:40:32" (3/4) ... [2024-11-13 16:40:32,943 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:40:32,944 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:40:32,945 INFO L158 Benchmark]: Toolchain (without parser) took 3151.86ms. Allocated memory is still 167.8MB. Free memory was 126.8MB in the beginning and 76.4MB in the end (delta: 50.4MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2024-11-13 16:40:32,948 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 167.8MB. Free memory is still 106.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:40:32,949 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1674.28ms. Allocated memory is still 167.8MB. Free memory was 126.8MB in the beginning and 66.2MB in the end (delta: 60.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-13 16:40:32,949 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.77ms. Allocated memory is still 167.8MB. Free memory was 66.2MB in the beginning and 125.6MB in the end (delta: -59.5MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2024-11-13 16:40:32,952 INFO L158 Benchmark]: Boogie Preprocessor took 25.12ms. Allocated memory is still 167.8MB. Free memory was 125.6MB in the beginning and 124.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:40:32,952 INFO L158 Benchmark]: RCFGBuilder took 511.47ms. Allocated memory is still 167.8MB. Free memory was 124.2MB in the beginning and 110.6MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:40:32,953 INFO L158 Benchmark]: CodeCheck took 858.80ms. Allocated memory is still 167.8MB. Free memory was 110.6MB in the beginning and 76.4MB in the end (delta: 34.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 16:40:32,956 INFO L158 Benchmark]: Witness Printer took 6.40ms. Allocated memory is still 167.8MB. Free memory is still 76.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:40:32,959 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 47 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 26 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 108 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of large string literal at line 1577, overapproximation of fgets at line 1556. 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); [L1577] 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) [L1577] 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] [L1578] CALL CWE190_Integer_Overflow__int_fgets_add_02_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1569] 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 0.42ms. Allocated memory is still 167.8MB. Free memory is still 106.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1674.28ms. Allocated memory is still 167.8MB. Free memory was 126.8MB in the beginning and 66.2MB in the end (delta: 60.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.77ms. Allocated memory is still 167.8MB. Free memory was 66.2MB in the beginning and 125.6MB in the end (delta: -59.5MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.12ms. Allocated memory is still 167.8MB. Free memory was 125.6MB in the beginning and 124.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 511.47ms. Allocated memory is still 167.8MB. Free memory was 124.2MB in the beginning and 110.6MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 858.80ms. Allocated memory is still 167.8MB. Free memory was 110.6MB in the beginning and 76.4MB in the end (delta: 34.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 6.40ms. Allocated memory is still 167.8MB. Free memory is still 76.4MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 16:40:32,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204dacf-03cd-4ca6-84b9-192b8d96501d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_d204dacf-03cd-4ca6-84b9-192b8d96501d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204dacf-03cd-4ca6-84b9-192b8d96501d/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204dacf-03cd-4ca6-84b9-192b8d96501d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204dacf-03cd-4ca6-84b9-192b8d96501d/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204dacf-03cd-4ca6-84b9-192b8d96501d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204dacf-03cd-4ca6-84b9-192b8d96501d/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash be67fa318ddd3734dd0eaafb718d9d1ab23763475ca4e4f14b378a99bf51a733 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:40:36,148 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:40:36,277 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204dacf-03cd-4ca6-84b9-192b8d96501d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 16:40:36,345 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:40:36,347 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:40:36,347 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:40:36,348 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:40:36,348 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:40:36,349 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:40:36,349 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:40:36,350 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:40:36,350 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:40:36,350 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:40:36,351 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:40:36,351 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:40:36,351 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:40:36,351 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:40:36,351 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:40:36,351 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:40:36,351 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:40:36,351 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:40:36,351 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:40:36,351 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:40:36,351 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:40:36,352 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:40:36,352 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:40:36,352 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:40:36,352 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:40:36,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:40:36,352 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:40:36,352 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:40:36,352 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:40:36,352 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:40:36,352 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:40:36,353 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:40:36,353 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_d204dacf-03cd-4ca6-84b9-192b8d96501d/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be67fa318ddd3734dd0eaafb718d9d1ab23763475ca4e4f14b378a99bf51a733 [2024-11-13 16:40:36,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:40:36,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:40:36,762 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:40:36,764 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:40:36,768 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:40:36,769 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204dacf-03cd-4ca6-84b9-192b8d96501d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_02_bad.i Unable to find full path for "g++" [2024-11-13 16:40:39,020 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:40:39,646 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:40:39,647 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204dacf-03cd-4ca6-84b9-192b8d96501d/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_02_bad.i [2024-11-13 16:40:39,684 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204dacf-03cd-4ca6-84b9-192b8d96501d/bin/ukojak-verify-EEHR8qb7sm/data/71d3800fe/42632eb19df84857b8230a53a15d7a5d/FLAG1a85ea686 [2024-11-13 16:40:39,707 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204dacf-03cd-4ca6-84b9-192b8d96501d/bin/ukojak-verify-EEHR8qb7sm/data/71d3800fe/42632eb19df84857b8230a53a15d7a5d [2024-11-13 16:40:39,710 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:40:39,712 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:40:39,714 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:40:39,714 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:40:39,721 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:40:39,722 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:40:39" (1/1) ... [2024-11-13 16:40:39,723 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d0e1c55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:39, skipping insertion in model container [2024-11-13 16:40:39,724 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:40:39" (1/1) ... [2024-11-13 16:40:39,775 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:40:40,936 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:40:40,952 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:40:41,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:40:41,333 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:40:41,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:41 WrapperNode [2024-11-13 16:40:41,334 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:40:41,335 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:40:41,335 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:40:41,335 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:40:41,343 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:41" (1/1) ... [2024-11-13 16:40:41,389 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:41" (1/1) ... [2024-11-13 16:40:41,429 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2024-11-13 16:40:41,430 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:40:41,430 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:40:41,430 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:40:41,431 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:40:41,439 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:41" (1/1) ... [2024-11-13 16:40:41,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:41" (1/1) ... [2024-11-13 16:40:41,443 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:41" (1/1) ... [2024-11-13 16:40:41,443 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:41" (1/1) ... [2024-11-13 16:40:41,453 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:41" (1/1) ... [2024-11-13 16:40:41,455 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:41" (1/1) ... [2024-11-13 16:40:41,458 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:41" (1/1) ... [2024-11-13 16:40:41,459 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:41" (1/1) ... [2024-11-13 16:40:41,463 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:40:41,464 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:40:41,464 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:40:41,465 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:40:41,466 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:41" (1/1) ... [2024-11-13 16:40:41,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:40:41,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204dacf-03cd-4ca6-84b9-192b8d96501d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:40:41,505 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204dacf-03cd-4ca6-84b9-192b8d96501d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:40:41,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204dacf-03cd-4ca6-84b9-192b8d96501d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:40:41,540 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 16:40:41,540 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 16:40:41,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 16:40:41,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:40:41,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:40:41,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:40:41,763 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:40:41,765 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:40:41,984 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 16:40:41,985 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:40:42,061 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:40:42,061 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 16:40:42,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:40:42 BoogieIcfgContainer [2024-11-13 16:40:42,062 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:40:42,063 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:40:42,063 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:40:42,080 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:40:42,081 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:40:42" (1/1) ... [2024-11-13 16:40:42,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:40:42,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:40:42,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-11-13 16:40:42,163 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-13 16:40:42,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:40:42,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:40:42,169 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:40:42,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204dacf-03cd-4ca6-84b9-192b8d96501d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:40:42,172 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204dacf-03cd-4ca6-84b9-192b8d96501d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:40:42,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204dacf-03cd-4ca6-84b9-192b8d96501d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:40:42,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:40:42,370 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:40:42,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:40:42,416 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 16:40:42,420 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:40:42,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:40:42,488 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204dacf-03cd-4ca6-84b9-192b8d96501d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 16:40:42,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204dacf-03cd-4ca6-84b9-192b8d96501d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 16:40:42,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:40:42,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2024-11-13 16:40:42,516 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2024-11-13 16:40:42,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 16:40:42,517 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:40:42,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:40:42,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204dacf-03cd-4ca6-84b9-192b8d96501d/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:40:42,519 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204dacf-03cd-4ca6-84b9-192b8d96501d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:40:42,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204dacf-03cd-4ca6-84b9-192b8d96501d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 16:40:42,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:40:42,766 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:40:42,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:40:42,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:40:42,979 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:40:43,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:40:43,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204dacf-03cd-4ca6-84b9-192b8d96501d/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 16:40:43,043 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 16:40:43,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:40:43 ImpRootNode [2024-11-13 16:40:43,089 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:40:43,089 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:40:43,090 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:40:43,090 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:40:43,091 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:40:42" (3/4) ... [2024-11-13 16:40:43,095 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:40:43,096 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:40:43,097 INFO L158 Benchmark]: Toolchain (without parser) took 3384.82ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 69.8MB in the end (delta: 19.1MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2024-11-13 16:40:43,100 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 117.4MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:40:43,101 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1620.28ms. Allocated memory is still 117.4MB. Free memory was 88.7MB in the beginning and 66.8MB in the end (delta: 21.8MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2024-11-13 16:40:43,101 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.01ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 63.6MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:40:43,102 INFO L158 Benchmark]: Boogie Preprocessor took 32.96ms. Allocated memory is still 117.4MB. Free memory was 63.6MB in the beginning and 62.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:40:43,102 INFO L158 Benchmark]: RCFGBuilder took 597.89ms. Allocated memory is still 117.4MB. Free memory was 62.1MB in the beginning and 46.0MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:40:43,102 INFO L158 Benchmark]: CodeCheck took 1025.91ms. Allocated memory is still 117.4MB. Free memory was 45.5MB in the beginning and 70.4MB in the end (delta: -24.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:40:43,103 INFO L158 Benchmark]: Witness Printer took 6.51ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 69.8MB in the end (delta: 645.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:40:43,108 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, 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, 10 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, 10 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 52 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 34 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 - UnprovableResult [Line: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of large string literal at line 1577, overapproximation of fgets at line 1556. 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); [L1577] 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) [L1577] 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] [L1578] CALL CWE190_Integer_Overflow__int_fgets_add_02_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1569] 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 0.60ms. Allocated memory is still 117.4MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1620.28ms. Allocated memory is still 117.4MB. Free memory was 88.7MB in the beginning and 66.8MB in the end (delta: 21.8MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.01ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 63.6MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.96ms. Allocated memory is still 117.4MB. Free memory was 63.6MB in the beginning and 62.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 597.89ms. Allocated memory is still 117.4MB. Free memory was 62.1MB in the beginning and 46.0MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1025.91ms. Allocated memory is still 117.4MB. Free memory was 45.5MB in the beginning and 70.4MB in the end (delta: -24.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.51ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 69.8MB in the end (delta: 645.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 16:40:43,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d204dacf-03cd-4ca6-84b9-192b8d96501d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample