./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_16_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30181ddb-9445-4854-9f1c-1966022d3013/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30181ddb-9445-4854-9f1c-1966022d3013/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30181ddb-9445-4854-9f1c-1966022d3013/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30181ddb-9445-4854-9f1c-1966022d3013/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30181ddb-9445-4854-9f1c-1966022d3013/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30181ddb-9445-4854-9f1c-1966022d3013/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash dcf67f55cb2b936645498ad1e66c69b81856b13ff1c5e99aa92d154892c2e5a4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:30:28,901 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:30:28,990 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30181ddb-9445-4854-9f1c-1966022d3013/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 02:30:28,996 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:30:28,997 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:30:29,027 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:30:29,028 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:30:29,028 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:30:29,028 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:30:29,028 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:30:29,028 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:30:29,029 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:30:29,029 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:30:29,029 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:30:29,029 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:30:29,029 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:30:29,029 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:30:29,030 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:30:29,031 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:30:29,031 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:30:29,031 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:30:29,031 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:30:29,032 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:30:29,032 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:30:29,032 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:30:29,032 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:30:29,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:30:29,032 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:30:29,032 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:30:29,032 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:30:29,033 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:30:29,033 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:30:29,033 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_30181ddb-9445-4854-9f1c-1966022d3013/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dcf67f55cb2b936645498ad1e66c69b81856b13ff1c5e99aa92d154892c2e5a4 [2024-11-25 02:30:29,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:30:29,349 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:30:29,352 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:30:29,353 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:30:29,353 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:30:29,355 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30181ddb-9445-4854-9f1c-1966022d3013/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_16_bad.i [2024-11-25 02:30:32,267 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30181ddb-9445-4854-9f1c-1966022d3013/bin/ukojak-verify-ENZ3QT5qd3/data/b90d99be5/452af0f125f243dea428a222e1bccbf8/FLAGf08c1ae6d [2024-11-25 02:30:32,632 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:30:32,632 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30181ddb-9445-4854-9f1c-1966022d3013/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_16_bad.i [2024-11-25 02:30:32,658 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30181ddb-9445-4854-9f1c-1966022d3013/bin/ukojak-verify-ENZ3QT5qd3/data/b90d99be5/452af0f125f243dea428a222e1bccbf8/FLAGf08c1ae6d [2024-11-25 02:30:32,683 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30181ddb-9445-4854-9f1c-1966022d3013/bin/ukojak-verify-ENZ3QT5qd3/data/b90d99be5/452af0f125f243dea428a222e1bccbf8 [2024-11-25 02:30:32,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:30:32,689 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:30:32,690 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:30:32,691 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:30:32,695 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:30:32,696 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:30:32" (1/1) ... [2024-11-25 02:30:32,697 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e1c7099 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:32, skipping insertion in model container [2024-11-25 02:30:32,698 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:30:32" (1/1) ... [2024-11-25 02:30:32,750 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:30:33,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:30:33,637 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:30:33,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:30:33,923 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:30:33,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:33 WrapperNode [2024-11-25 02:30:33,924 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:30:33,925 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:30:33,925 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:30:33,925 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:30:33,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:33" (1/1) ... [2024-11-25 02:30:33,968 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:33" (1/1) ... [2024-11-25 02:30:33,999 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 69 [2024-11-25 02:30:34,000 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:30:34,001 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:30:34,001 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:30:34,001 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:30:34,010 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:33" (1/1) ... [2024-11-25 02:30:34,010 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:33" (1/1) ... [2024-11-25 02:30:34,013 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:33" (1/1) ... [2024-11-25 02:30:34,017 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:33" (1/1) ... [2024-11-25 02:30:34,026 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:33" (1/1) ... [2024-11-25 02:30:34,027 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:33" (1/1) ... [2024-11-25 02:30:34,036 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:33" (1/1) ... [2024-11-25 02:30:34,037 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:33" (1/1) ... [2024-11-25 02:30:34,042 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:33" (1/1) ... [2024-11-25 02:30:34,044 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:30:34,045 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:30:34,045 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:30:34,049 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:30:34,050 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:33" (1/1) ... [2024-11-25 02:30:34,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:30:34,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30181ddb-9445-4854-9f1c-1966022d3013/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:30:34,083 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30181ddb-9445-4854-9f1c-1966022d3013/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:30:34,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30181ddb-9445-4854-9f1c-1966022d3013/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:30:34,108 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:30:34,108 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:30:34,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:30:34,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:30:34,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:30:34,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:30:34,264 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:30:34,266 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:30:34,409 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-25 02:30:34,409 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:30:34,469 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:30:34,470 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-25 02:30:34,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:30:34 BoogieIcfgContainer [2024-11-25 02:30:34,471 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:30:34,472 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:30:34,472 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:30:34,487 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:30:34,487 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:30:34" (1/1) ... [2024-11-25 02:30:34,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:30:34,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:30:34,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-11-25 02:30:34,567 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-25 02:30:34,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:30:34,572 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:30:34,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:30:34,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:30:34,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:30:34,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:30:34,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2024-11-25 02:30:34,771 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2024-11-25 02:30:34,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 02:30:34,771 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:30:34,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:30:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:30:34,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:30:34,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:30:34,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2024-11-25 02:30:34,970 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-11-25 02:30:34,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 02:30:34,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:30:34,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:30:35,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:30:35,016 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:30:35,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:30:35,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:30:35,095 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:30:35,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:30:35,173 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-25 02:30:35,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:30:35 ImpRootNode [2024-11-25 02:30:35,207 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:30:35,208 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:30:35,208 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:30:35,208 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:30:35,209 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:30:34" (3/4) ... [2024-11-25 02:30:35,211 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:30:35,212 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:30:35,213 INFO L158 Benchmark]: Toolchain (without parser) took 2525.55ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 86.5MB in the end (delta: 2.6MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2024-11-25 02:30:35,213 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:30:35,213 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1234.12ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 80.0MB in the end (delta: 8.9MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2024-11-25 02:30:35,214 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.80ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 77.5MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:30:35,214 INFO L158 Benchmark]: Boogie Preprocessor took 43.48ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 76.3MB in the end (delta: 595.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:30:35,215 INFO L158 Benchmark]: RCFGBuilder took 426.64ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 62.6MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:30:35,215 INFO L158 Benchmark]: CodeCheck took 734.63ms. Allocated memory is still 117.4MB. Free memory was 62.0MB in the beginning and 86.5MB in the end (delta: -24.5MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. [2024-11-25 02:30:35,215 INFO L158 Benchmark]: Witness Printer took 4.20ms. Allocated memory is still 117.4MB. Free memory was 86.5MB in the beginning and 86.5MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:30:35,218 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, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 43 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, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1570]: 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 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); [L1580] 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) [L1580] 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] [L1581] CALL CWE190_Integer_Overflow__int_fgets_preinc_16_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) [L1570] ++data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1234.12ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 80.0MB in the end (delta: 8.9MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.80ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 77.5MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.48ms. Allocated memory is still 117.4MB. Free memory was 76.9MB in the beginning and 76.3MB in the end (delta: 595.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 426.64ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 62.6MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 734.63ms. Allocated memory is still 117.4MB. Free memory was 62.0MB in the beginning and 86.5MB in the end (delta: -24.5MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. * Witness Printer took 4.20ms. Allocated memory is still 117.4MB. Free memory was 86.5MB in the beginning and 86.5MB 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 [2024-11-25 02:30:35,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30181ddb-9445-4854-9f1c-1966022d3013/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_30181ddb-9445-4854-9f1c-1966022d3013/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30181ddb-9445-4854-9f1c-1966022d3013/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30181ddb-9445-4854-9f1c-1966022d3013/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30181ddb-9445-4854-9f1c-1966022d3013/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_16_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30181ddb-9445-4854-9f1c-1966022d3013/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30181ddb-9445-4854-9f1c-1966022d3013/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash dcf67f55cb2b936645498ad1e66c69b81856b13ff1c5e99aa92d154892c2e5a4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:30:37,898 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:30:38,008 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30181ddb-9445-4854-9f1c-1966022d3013/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 02:30:38,108 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:30:38,109 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:30:38,110 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:30:38,110 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:30:38,110 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:30:38,110 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:30:38,110 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:30:38,110 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:30:38,110 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:30:38,111 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:30:38,111 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:30:38,111 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:30:38,111 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:30:38,111 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:30:38,111 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:30:38,117 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:30:38,117 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:30:38,117 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:30:38,118 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:30:38,118 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:30:38,118 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:30:38,118 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:30:38,118 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:30:38,118 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:30:38,118 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:30:38,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:30:38,118 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:30:38,118 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:30:38,119 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:30:38,119 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:30:38,119 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:30:38,119 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:30:38,119 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_30181ddb-9445-4854-9f1c-1966022d3013/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dcf67f55cb2b936645498ad1e66c69b81856b13ff1c5e99aa92d154892c2e5a4 [2024-11-25 02:30:38,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:30:38,437 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:30:38,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:30:38,441 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:30:38,441 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:30:38,442 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30181ddb-9445-4854-9f1c-1966022d3013/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_16_bad.i [2024-11-25 02:30:41,461 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30181ddb-9445-4854-9f1c-1966022d3013/bin/ukojak-verify-ENZ3QT5qd3/data/f7bae8d58/74cc7e92fd5b4053b4d6423e0e9c802a/FLAGd382d129f [2024-11-25 02:30:41,976 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:30:41,976 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30181ddb-9445-4854-9f1c-1966022d3013/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_16_bad.i [2024-11-25 02:30:42,000 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30181ddb-9445-4854-9f1c-1966022d3013/bin/ukojak-verify-ENZ3QT5qd3/data/f7bae8d58/74cc7e92fd5b4053b4d6423e0e9c802a/FLAGd382d129f [2024-11-25 02:30:42,021 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30181ddb-9445-4854-9f1c-1966022d3013/bin/ukojak-verify-ENZ3QT5qd3/data/f7bae8d58/74cc7e92fd5b4053b4d6423e0e9c802a [2024-11-25 02:30:42,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:30:42,027 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:30:42,029 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:30:42,030 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:30:42,035 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:30:42,036 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:30:42" (1/1) ... [2024-11-25 02:30:42,037 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@753c1811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:42, skipping insertion in model container [2024-11-25 02:30:42,037 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:30:42" (1/1) ... [2024-11-25 02:30:42,103 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:30:43,287 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:30:43,308 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:30:43,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:30:43,596 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:30:43,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:43 WrapperNode [2024-11-25 02:30:43,596 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:30:43,597 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:30:43,597 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:30:43,598 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:30:43,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:43" (1/1) ... [2024-11-25 02:30:43,628 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:43" (1/1) ... [2024-11-25 02:30:43,648 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 68 [2024-11-25 02:30:43,648 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:30:43,649 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:30:43,649 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:30:43,649 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:30:43,657 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:43" (1/1) ... [2024-11-25 02:30:43,657 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:43" (1/1) ... [2024-11-25 02:30:43,660 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:43" (1/1) ... [2024-11-25 02:30:43,660 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:43" (1/1) ... [2024-11-25 02:30:43,668 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:43" (1/1) ... [2024-11-25 02:30:43,669 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:43" (1/1) ... [2024-11-25 02:30:43,672 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:43" (1/1) ... [2024-11-25 02:30:43,674 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:43" (1/1) ... [2024-11-25 02:30:43,675 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:43" (1/1) ... [2024-11-25 02:30:43,678 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:30:43,679 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:30:43,679 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:30:43,679 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:30:43,680 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:30:43" (1/1) ... [2024-11-25 02:30:43,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:30:43,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30181ddb-9445-4854-9f1c-1966022d3013/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:30:43,721 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30181ddb-9445-4854-9f1c-1966022d3013/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:30:43,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30181ddb-9445-4854-9f1c-1966022d3013/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:30:43,752 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:30:43,752 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:30:43,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 02:30:43,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:30:43,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:30:43,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:30:43,896 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:30:43,898 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:30:44,042 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-25 02:30:44,042 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:30:44,097 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:30:44,097 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-25 02:30:44,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:30:44 BoogieIcfgContainer [2024-11-25 02:30:44,099 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:30:44,100 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:30:44,100 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:30:44,111 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:30:44,111 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:30:44" (1/1) ... [2024-11-25 02:30:44,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:30:44,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:30:44,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-11-25 02:30:44,176 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-25 02:30:44,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:30:44,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:30:44,182 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:30:44,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30181ddb-9445-4854-9f1c-1966022d3013/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:30:44,184 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30181ddb-9445-4854-9f1c-1966022d3013/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:30:44,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30181ddb-9445-4854-9f1c-1966022d3013/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:30:44,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:30:44,348 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:30:44,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:30:44,386 INFO L256 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-25 02:30:44,389 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:30:44,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:30:44,452 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30181ddb-9445-4854-9f1c-1966022d3013/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 02:30:44,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30181ddb-9445-4854-9f1c-1966022d3013/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 02:30:44,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:30:44,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-25 02:30:44,486 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-25 02:30:44,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 02:30:44,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:30:44,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:30:44,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30181ddb-9445-4854-9f1c-1966022d3013/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:30:44,491 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30181ddb-9445-4854-9f1c-1966022d3013/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:30:44,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30181ddb-9445-4854-9f1c-1966022d3013/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 02:30:44,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:30:44,680 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:30:44,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:30:44,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:30:44,838 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:30:44,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:30:44,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30181ddb-9445-4854-9f1c-1966022d3013/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 02:30:44,889 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-25 02:30:44,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:30:44 ImpRootNode [2024-11-25 02:30:44,928 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:30:44,929 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:30:44,930 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:30:44,930 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:30:44,932 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:30:44" (3/4) ... [2024-11-25 02:30:44,934 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:30:44,935 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:30:44,936 INFO L158 Benchmark]: Toolchain (without parser) took 2909.22ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 89.8MB in the beginning and 198.2MB in the end (delta: -108.5MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2024-11-25 02:30:44,937 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:30:44,937 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1568.02ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 67.8MB in the end (delta: 21.8MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-25 02:30:44,940 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.81ms. Allocated memory is still 117.4MB. Free memory was 67.8MB in the beginning and 64.9MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:30:44,940 INFO L158 Benchmark]: Boogie Preprocessor took 29.70ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 63.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:30:44,941 INFO L158 Benchmark]: RCFGBuilder took 420.08ms. Allocated memory is still 117.4MB. Free memory was 63.2MB in the beginning and 47.3MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:30:44,941 INFO L158 Benchmark]: CodeCheck took 828.52ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 47.3MB in the beginning and 198.9MB in the end (delta: -151.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:30:44,942 INFO L158 Benchmark]: Witness Printer took 6.20ms. Allocated memory is still 243.3MB. Free memory was 198.3MB in the beginning and 198.2MB in the end (delta: 27.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:30:44,946 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, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 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, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 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, 32 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1570]: 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 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); [L1580] 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) [L1580] 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] [L1581] CALL CWE190_Integer_Overflow__int_fgets_preinc_16_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) [L1570] ++data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1568.02ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 67.8MB in the end (delta: 21.8MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.81ms. Allocated memory is still 117.4MB. Free memory was 67.8MB in the beginning and 64.9MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.70ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 63.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 420.08ms. Allocated memory is still 117.4MB. Free memory was 63.2MB in the beginning and 47.3MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 828.52ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 47.3MB in the beginning and 198.9MB in the end (delta: -151.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.20ms. Allocated memory is still 243.3MB. Free memory was 198.3MB in the beginning and 198.2MB in the end (delta: 27.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 02:30:44,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30181ddb-9445-4854-9f1c-1966022d3013/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample