./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_34_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_c7538a9c-52ae-4bbc-afcb-8509668b14e1/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7538a9c-52ae-4bbc-afcb-8509668b14e1/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_c7538a9c-52ae-4bbc-afcb-8509668b14e1/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7538a9c-52ae-4bbc-afcb-8509668b14e1/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7538a9c-52ae-4bbc-afcb-8509668b14e1/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_c7538a9c-52ae-4bbc-afcb-8509668b14e1/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 9f3754bba4a1587368989ac0863ef9d6b3b5395c51f3c9cbd6b355a987b99a6d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:44:44,847 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:44:44,959 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7538a9c-52ae-4bbc-afcb-8509668b14e1/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 16:44:44,968 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:44:44,969 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:44:45,007 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:44:45,008 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:44:45,008 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:44:45,009 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:44:45,009 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:44:45,009 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:44:45,009 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:44:45,009 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:44:45,010 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:44:45,010 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:44:45,010 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:44:45,010 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:44:45,010 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:44:45,010 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:44:45,011 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:44:45,011 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:44:45,011 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:44:45,011 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:44:45,011 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:44:45,011 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:44:45,012 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:44:45,012 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:44:45,012 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:44:45,012 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:44:45,012 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:44:45,013 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:44:45,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:44:45,013 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_c7538a9c-52ae-4bbc-afcb-8509668b14e1/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 -> 9f3754bba4a1587368989ac0863ef9d6b3b5395c51f3c9cbd6b355a987b99a6d [2024-11-13 16:44:45,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:44:45,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:44:45,419 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:44:45,420 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:44:45,422 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:44:45,424 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7538a9c-52ae-4bbc-afcb-8509668b14e1/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_34_bad.i Unable to find full path for "g++" [2024-11-13 16:44:47,539 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:44:48,054 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:44:48,058 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7538a9c-52ae-4bbc-afcb-8509668b14e1/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_34_bad.i [2024-11-13 16:44:48,087 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7538a9c-52ae-4bbc-afcb-8509668b14e1/bin/ukojak-verify-EEHR8qb7sm/data/9067fc5ec/dd4fb410421a4d019ae580a9073b45cd/FLAGf0a91199c [2024-11-13 16:44:48,121 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7538a9c-52ae-4bbc-afcb-8509668b14e1/bin/ukojak-verify-EEHR8qb7sm/data/9067fc5ec/dd4fb410421a4d019ae580a9073b45cd [2024-11-13 16:44:48,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:44:48,125 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:44:48,127 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:44:48,127 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:44:48,132 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:44:48,133 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:44:48" (1/1) ... [2024-11-13 16:44:48,134 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b4f7488 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:48, skipping insertion in model container [2024-11-13 16:44:48,135 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:44:48" (1/1) ... [2024-11-13 16:44:48,189 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:44:49,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:44:49,188 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:44:49,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:44:49,431 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:44:49,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:49 WrapperNode [2024-11-13 16:44:49,432 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:44:49,433 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:44:49,433 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:44:49,433 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:44:49,449 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:49" (1/1) ... [2024-11-13 16:44:49,487 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:49" (1/1) ... [2024-11-13 16:44:49,527 INFO L138 Inliner]: procedures = 498, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2024-11-13 16:44:49,528 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:44:49,528 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:44:49,528 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:44:49,528 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:44:49,538 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:49" (1/1) ... [2024-11-13 16:44:49,538 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:49" (1/1) ... [2024-11-13 16:44:49,548 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:49" (1/1) ... [2024-11-13 16:44:49,548 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:49" (1/1) ... [2024-11-13 16:44:49,562 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:49" (1/1) ... [2024-11-13 16:44:49,573 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:49" (1/1) ... [2024-11-13 16:44:49,575 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:49" (1/1) ... [2024-11-13 16:44:49,580 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:49" (1/1) ... [2024-11-13 16:44:49,582 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:44:49,587 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:44:49,587 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:44:49,587 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:44:49,589 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:49" (1/1) ... [2024-11-13 16:44:49,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:44:49,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7538a9c-52ae-4bbc-afcb-8509668b14e1/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:44:49,650 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7538a9c-52ae-4bbc-afcb-8509668b14e1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:44:49,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7538a9c-52ae-4bbc-afcb-8509668b14e1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:44:49,720 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 16:44:49,721 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 16:44:49,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 16:44:49,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 16:44:49,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:44:49,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:44:49,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:44:49,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 16:44:49,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 16:44:49,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:44:49,910 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:44:49,913 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:44:50,087 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-13 16:44:50,087 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:44:50,148 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:44:50,150 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:44:50,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:44:50 BoogieIcfgContainer [2024-11-13 16:44:50,151 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:44:50,152 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:44:50,152 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:44:50,163 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:44:50,163 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:44:50" (1/1) ... [2024-11-13 16:44:50,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:44:50,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:44:50,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 16:44:50,236 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 16:44:50,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:44:50,242 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:44:50,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:44:50,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:50,786 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 16:44:50,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:44:50,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-13 16:44:50,863 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-13 16:44:50,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 16:44:50,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:44:50,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:44:50,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:44:50,918 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:44:50,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:44:51,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:44:51,034 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:44:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:44:51,084 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 16:44:51,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:44:51 ImpRootNode [2024-11-13 16:44:51,127 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:44:51,128 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:44:51,128 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:44:51,128 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:44:51,129 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:44:50" (3/4) ... [2024-11-13 16:44:51,131 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:44:51,132 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:44:51,135 INFO L158 Benchmark]: Toolchain (without parser) took 3007.85ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 115.6MB in the beginning and 387.4MB in the end (delta: -271.8MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2024-11-13 16:44:51,136 INFO L158 Benchmark]: CDTParser took 0.98ms. Allocated memory is still 142.6MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:44:51,136 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1305.35ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 107.5MB in the end (delta: 8.2MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2024-11-13 16:44:51,137 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.80ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 104.7MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:44:51,137 INFO L158 Benchmark]: Boogie Preprocessor took 58.29ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 103.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:44:51,137 INFO L158 Benchmark]: RCFGBuilder took 563.95ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 88.6MB in the end (delta: 14.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:44:51,138 INFO L158 Benchmark]: CodeCheck took 975.61ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 88.6MB in the beginning and 387.4MB in the end (delta: -298.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:44:51,138 INFO L158 Benchmark]: Witness Printer took 3.93ms. Allocated memory is still 427.8MB. Free memory was 387.4MB in the beginning and 387.4MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:44:51,145 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, 16 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, 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, 0.4s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1562, overapproximation of large string literal at line 1581, overapproximation of fgets at line 1560. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1581] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1581] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1582] CALL CWE190_Integer_Overflow__int_fgets_add_34_bad() [L1555] int data; [L1556] CWE190_Integer_Overflow__int_fgets_add_34_unionType myUnion; [L1557] data = 0 [L1559] 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, myUnion={2806:0}] [L1560] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1562] data = atoi(inputBuffer) [L1569] myUnion.unionFirst = data [L1571] EXPR myUnion.unionSecond [L1571] int data = myUnion.unionSecond; [L1573] 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 0.98ms. Allocated memory is still 142.6MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1305.35ms. Allocated memory is still 142.6MB. Free memory was 115.6MB in the beginning and 107.5MB in the end (delta: 8.2MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.80ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 104.7MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.29ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 103.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 563.95ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 88.6MB in the end (delta: 14.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 975.61ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 88.6MB in the beginning and 387.4MB in the end (delta: -298.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.93ms. Allocated memory is still 427.8MB. Free memory was 387.4MB in the beginning and 387.4MB in the end (delta: 13.7kB). 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 16:44:51,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7538a9c-52ae-4bbc-afcb-8509668b14e1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7538a9c-52ae-4bbc-afcb-8509668b14e1/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7538a9c-52ae-4bbc-afcb-8509668b14e1/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_c7538a9c-52ae-4bbc-afcb-8509668b14e1/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7538a9c-52ae-4bbc-afcb-8509668b14e1/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_34_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7538a9c-52ae-4bbc-afcb-8509668b14e1/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_c7538a9c-52ae-4bbc-afcb-8509668b14e1/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 9f3754bba4a1587368989ac0863ef9d6b3b5395c51f3c9cbd6b355a987b99a6d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:44:54,188 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:44:54,332 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7538a9c-52ae-4bbc-afcb-8509668b14e1/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 16:44:54,383 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:44:54,384 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:44:54,384 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:44:54,385 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:44:54,385 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:44:54,386 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:44:54,386 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:44:54,386 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:44:54,386 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:44:54,386 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:44:54,386 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:44:54,386 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:44:54,387 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:44:54,387 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:44:54,387 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:44:54,387 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:44:54,387 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:44:54,387 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:44:54,387 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:44:54,387 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:44:54,388 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:44:54,388 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:44:54,388 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:44:54,388 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:44:54,388 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:44:54,388 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:44:54,388 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:44:54,388 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:44:54,389 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:44:54,389 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:44:54,389 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:44:54,389 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:44:54,389 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_c7538a9c-52ae-4bbc-afcb-8509668b14e1/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 -> 9f3754bba4a1587368989ac0863ef9d6b3b5395c51f3c9cbd6b355a987b99a6d [2024-11-13 16:44:54,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:44:54,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:44:54,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:44:54,764 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:44:54,765 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:44:54,766 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7538a9c-52ae-4bbc-afcb-8509668b14e1/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_34_bad.i Unable to find full path for "g++" [2024-11-13 16:44:57,005 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:44:57,448 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:44:57,449 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7538a9c-52ae-4bbc-afcb-8509668b14e1/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_34_bad.i [2024-11-13 16:44:57,488 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7538a9c-52ae-4bbc-afcb-8509668b14e1/bin/ukojak-verify-EEHR8qb7sm/data/f31a722f2/c363842c466f4cf8a1b7efdaf7326ab1/FLAGc356b8b4a [2024-11-13 16:44:57,511 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7538a9c-52ae-4bbc-afcb-8509668b14e1/bin/ukojak-verify-EEHR8qb7sm/data/f31a722f2/c363842c466f4cf8a1b7efdaf7326ab1 [2024-11-13 16:44:57,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:44:57,516 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:44:57,519 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:44:57,519 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:44:57,525 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:44:57,526 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:44:57" (1/1) ... [2024-11-13 16:44:57,527 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e12f9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:57, skipping insertion in model container [2024-11-13 16:44:57,527 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:44:57" (1/1) ... [2024-11-13 16:44:57,594 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:44:58,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:44:58,658 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:44:58,813 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:44:58,989 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:44:58,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:58 WrapperNode [2024-11-13 16:44:58,990 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:44:58,991 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:44:58,991 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:44:58,991 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:44:59,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:58" (1/1) ... [2024-11-13 16:44:59,025 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:58" (1/1) ... [2024-11-13 16:44:59,045 INFO L138 Inliner]: procedures = 503, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2024-11-13 16:44:59,045 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:44:59,046 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:44:59,046 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:44:59,046 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:44:59,054 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:58" (1/1) ... [2024-11-13 16:44:59,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:58" (1/1) ... [2024-11-13 16:44:59,058 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:58" (1/1) ... [2024-11-13 16:44:59,059 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:58" (1/1) ... [2024-11-13 16:44:59,075 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:58" (1/1) ... [2024-11-13 16:44:59,083 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:58" (1/1) ... [2024-11-13 16:44:59,085 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:58" (1/1) ... [2024-11-13 16:44:59,086 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:58" (1/1) ... [2024-11-13 16:44:59,089 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:44:59,090 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:44:59,091 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:44:59,091 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:44:59,092 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:44:58" (1/1) ... [2024-11-13 16:44:59,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:44:59,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7538a9c-52ae-4bbc-afcb-8509668b14e1/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:44:59,124 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7538a9c-52ae-4bbc-afcb-8509668b14e1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:44:59,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7538a9c-52ae-4bbc-afcb-8509668b14e1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:44:59,150 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 16:44:59,150 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 16:44:59,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 16:44:59,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 16:44:59,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:44:59,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:44:59,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:44:59,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 16:44:59,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 16:44:59,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 16:44:59,312 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:44:59,314 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:44:59,477 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-13 16:44:59,477 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:44:59,525 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:44:59,526 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 16:44:59,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:44:59 BoogieIcfgContainer [2024-11-13 16:44:59,526 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:44:59,527 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:44:59,528 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:44:59,539 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:44:59,540 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:44:59" (1/1) ... [2024-11-13 16:44:59,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:44:59,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:44:59,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 16:44:59,607 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 16:44:59,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:44:59,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:44:59,613 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:44:59,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7538a9c-52ae-4bbc-afcb-8509668b14e1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:44:59,615 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7538a9c-52ae-4bbc-afcb-8509668b14e1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:44:59,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7538a9c-52ae-4bbc-afcb-8509668b14e1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:44:59,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:59,911 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:44:59,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:59,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 16:44:59,985 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:45:00,013 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 16:45:00,016 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7538a9c-52ae-4bbc-afcb-8509668b14e1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 16:45:00,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7538a9c-52ae-4bbc-afcb-8509668b14e1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 16:45:00,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:45:00,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-13 16:45:00,049 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-13 16:45:00,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 16:45:00,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:45:00,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:45:00,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7538a9c-52ae-4bbc-afcb-8509668b14e1/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:45:00,053 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7538a9c-52ae-4bbc-afcb-8509668b14e1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:45:00,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7538a9c-52ae-4bbc-afcb-8509668b14e1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 16:45:00,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:45:00,304 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:45:00,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:45:00,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:45:00,549 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:45:00,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:45:00,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7538a9c-52ae-4bbc-afcb-8509668b14e1/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 16:45:00,647 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 16:45:00,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:45:00 ImpRootNode [2024-11-13 16:45:00,690 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:45:00,691 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:45:00,691 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:45:00,691 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:45:00,692 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:44:59" (3/4) ... [2024-11-13 16:45:00,696 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:45:00,697 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:45:00,700 INFO L158 Benchmark]: Toolchain (without parser) took 3181.35ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 60.2MB in the end (delta: 29.9MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2024-11-13 16:45:00,701 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:45:00,701 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1471.68ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 76.2MB in the end (delta: 13.9MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. [2024-11-13 16:45:00,702 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.36ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 73.9MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:45:00,702 INFO L158 Benchmark]: Boogie Preprocessor took 43.68ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 72.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:45:00,702 INFO L158 Benchmark]: RCFGBuilder took 436.18ms. Allocated memory is still 117.4MB. Free memory was 71.6MB in the beginning and 54.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:45:00,703 INFO L158 Benchmark]: CodeCheck took 1162.66ms. Allocated memory is still 117.4MB. Free memory was 54.8MB in the beginning and 60.2MB in the end (delta: -5.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:45:00,703 INFO L158 Benchmark]: Witness Printer took 6.01ms. Allocated memory is still 117.4MB. Free memory was 60.2MB in the beginning and 60.2MB in the end (delta: 10.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:45:00,710 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, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, 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, 12 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, 12 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, 68 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: 1573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1562, overapproximation of large string literal at line 1581, overapproximation of fgets at line 1560. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1581] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1581] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1582] CALL CWE190_Integer_Overflow__int_fgets_add_34_bad() [L1555] int data; [L1556] CWE190_Integer_Overflow__int_fgets_add_34_unionType myUnion; [L1557] data = 0 [L1559] 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, myUnion={5:0}] [L1560] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1562] data = atoi(inputBuffer) [L1569] myUnion.unionFirst = data [L1571] EXPR myUnion.unionSecond [L1571] int data = myUnion.unionSecond; [L1573] 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 0.41ms. Allocated memory is still 83.9MB. Free memory is still 65.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1471.68ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 76.2MB in the end (delta: 13.9MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.36ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 73.9MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.68ms. Allocated memory is still 117.4MB. Free memory was 73.9MB in the beginning and 72.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 436.18ms. Allocated memory is still 117.4MB. Free memory was 71.6MB in the beginning and 54.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1162.66ms. Allocated memory is still 117.4MB. Free memory was 54.8MB in the beginning and 60.2MB in the end (delta: -5.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.01ms. Allocated memory is still 117.4MB. Free memory was 60.2MB in the beginning and 60.2MB in the end (delta: 10.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 16:45:00,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7538a9c-52ae-4bbc-afcb-8509668b14e1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample