./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_18_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9433123-dbda-4987-8325-72f4d5f0d087/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9433123-dbda-4987-8325-72f4d5f0d087/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9433123-dbda-4987-8325-72f4d5f0d087/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9433123-dbda-4987-8325-72f4d5f0d087/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9433123-dbda-4987-8325-72f4d5f0d087/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9433123-dbda-4987-8325-72f4d5f0d087/bin/ukojak-verify-ImItNfHLgk --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 5e9901388dc3c778e71383b38d5c8e69dc8ac06a0319c62b3ce21e9bdd7b5e3c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:49:24,525 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:49:24,619 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9433123-dbda-4987-8325-72f4d5f0d087/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 00:49:24,624 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:49:24,627 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:49:24,660 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:49:24,661 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:49:24,661 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:49:24,662 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:49:24,664 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:49:24,665 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:49:24,665 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:49:24,665 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:49:24,666 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:49:24,666 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:49:24,666 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:49:24,667 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:49:24,667 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:49:24,667 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:49:24,668 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:49:24,668 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:49:24,672 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:49:24,672 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:49:24,672 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:49:24,673 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:49:24,673 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:49:24,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:49:24,674 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:49:24,674 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:49:24,674 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:49:24,674 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:49:24,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:49:24,675 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9433123-dbda-4987-8325-72f4d5f0d087/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9433123-dbda-4987-8325-72f4d5f0d087/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e9901388dc3c778e71383b38d5c8e69dc8ac06a0319c62b3ce21e9bdd7b5e3c [2024-11-09 00:49:25,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:49:25,040 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:49:25,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:49:25,045 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:49:25,045 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:49:25,047 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9433123-dbda-4987-8325-72f4d5f0d087/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_18_bad.i Unable to find full path for "g++" [2024-11-09 00:49:27,118 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:49:27,532 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:49:27,534 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9433123-dbda-4987-8325-72f4d5f0d087/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_18_bad.i [2024-11-09 00:49:27,564 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9433123-dbda-4987-8325-72f4d5f0d087/bin/ukojak-verify-ImItNfHLgk/data/ccfb97156/be5b4dd6e73c43919b12585005ecc952/FLAGcd31d8cdf [2024-11-09 00:49:27,585 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9433123-dbda-4987-8325-72f4d5f0d087/bin/ukojak-verify-ImItNfHLgk/data/ccfb97156/be5b4dd6e73c43919b12585005ecc952 [2024-11-09 00:49:27,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:49:27,591 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:49:27,594 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:49:27,594 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:49:27,600 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:49:27,601 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:49:27" (1/1) ... [2024-11-09 00:49:27,602 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47f9400c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:27, skipping insertion in model container [2024-11-09 00:49:27,603 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:49:27" (1/1) ... [2024-11-09 00:49:27,677 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:49:28,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:49:28,633 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:49:28,754 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:49:28,912 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:49:28,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:28 WrapperNode [2024-11-09 00:49:28,913 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:49:28,914 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:49:28,914 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:49:28,914 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:49:28,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:28" (1/1) ... [2024-11-09 00:49:28,955 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:28" (1/1) ... [2024-11-09 00:49:28,988 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2024-11-09 00:49:28,990 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:49:28,991 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:49:28,991 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:49:28,991 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:49:29,001 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:28" (1/1) ... [2024-11-09 00:49:29,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:28" (1/1) ... [2024-11-09 00:49:29,004 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:28" (1/1) ... [2024-11-09 00:49:29,008 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:28" (1/1) ... [2024-11-09 00:49:29,012 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:28" (1/1) ... [2024-11-09 00:49:29,019 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:28" (1/1) ... [2024-11-09 00:49:29,021 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:28" (1/1) ... [2024-11-09 00:49:29,025 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:28" (1/1) ... [2024-11-09 00:49:29,027 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:49:29,031 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:49:29,031 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:49:29,033 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:49:29,033 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:28" (1/1) ... [2024-11-09 00:49:29,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:49:29,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9433123-dbda-4987-8325-72f4d5f0d087/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:49:29,081 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9433123-dbda-4987-8325-72f4d5f0d087/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:49:29,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9433123-dbda-4987-8325-72f4d5f0d087/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:49:29,112 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:49:29,112 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:49:29,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:49:29,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:49:29,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:49:29,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:49:29,275 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:49:29,278 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:49:29,400 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-09 00:49:29,400 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:49:29,462 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:49:29,462 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:49:29,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:49:29 BoogieIcfgContainer [2024-11-09 00:49:29,463 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:49:29,463 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:49:29,463 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:49:29,477 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:49:29,477 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:49:29" (1/1) ... [2024-11-09 00:49:29,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:49:29,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:29,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-09 00:49:29,564 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-09 00:49:29,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 00:49:29,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:29,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:49:29,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:29,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:49:30,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:30,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-09 00:49:30,055 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-09 00:49:30,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:49:30,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:30,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:49:30,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:49:30,077 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:49:30,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:49:30,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:49:30,163 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:49:30,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:49:30,198 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-09 00:49:30,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:49:30 ImpRootNode [2024-11-09 00:49:30,224 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:49:30,224 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:49:30,225 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:49:30,225 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:49:30,225 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:49:29" (3/4) ... [2024-11-09 00:49:30,228 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:49:30,229 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:49:30,230 INFO L158 Benchmark]: Toolchain (without parser) took 2639.25ms. Allocated memory is still 161.5MB. Free memory was 120.6MB in the beginning and 114.3MB in the end (delta: 6.3MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2024-11-09 00:49:30,231 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 115.3MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:49:30,231 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1319.53ms. Allocated memory is still 161.5MB. Free memory was 119.9MB in the beginning and 73.3MB in the end (delta: 46.6MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-11-09 00:49:30,232 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.07ms. Allocated memory is still 161.5MB. Free memory was 73.3MB in the beginning and 70.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:49:30,233 INFO L158 Benchmark]: Boogie Preprocessor took 39.26ms. Allocated memory is still 161.5MB. Free memory was 70.6MB in the beginning and 69.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:49:30,233 INFO L158 Benchmark]: RCFGBuilder took 432.17ms. Allocated memory is still 161.5MB. Free memory was 69.2MB in the beginning and 53.8MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:49:30,234 INFO L158 Benchmark]: CodeCheck took 760.53ms. Allocated memory is still 161.5MB. Free memory was 53.8MB in the beginning and 115.3MB in the end (delta: -61.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:49:30,234 INFO L158 Benchmark]: Witness Printer took 4.98ms. Allocated memory is still 161.5MB. Free memory was 115.3MB in the beginning and 114.3MB in the end (delta: 983.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:49:30,237 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: 0.7s, 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, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 8 mSDtfsCounter, 11 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, 0.2s 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: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of large string literal at line 1576, 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); [L1576] 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) [L1576] 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] [L1577] CALL CWE190_Integer_Overflow__int_fgets_postinc_18_bad() [L1550] int data; [L1551] data = 0 [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) [L1568] 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 0.41ms. Allocated memory is still 115.3MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1319.53ms. Allocated memory is still 161.5MB. Free memory was 119.9MB in the beginning and 73.3MB in the end (delta: 46.6MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.07ms. Allocated memory is still 161.5MB. Free memory was 73.3MB in the beginning and 70.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.26ms. Allocated memory is still 161.5MB. Free memory was 70.6MB in the beginning and 69.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 432.17ms. Allocated memory is still 161.5MB. Free memory was 69.2MB in the beginning and 53.8MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 760.53ms. Allocated memory is still 161.5MB. Free memory was 53.8MB in the beginning and 115.3MB in the end (delta: -61.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.98ms. Allocated memory is still 161.5MB. Free memory was 115.3MB in the beginning and 114.3MB in the end (delta: 983.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:49:30,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9433123-dbda-4987-8325-72f4d5f0d087/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9433123-dbda-4987-8325-72f4d5f0d087/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9433123-dbda-4987-8325-72f4d5f0d087/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9433123-dbda-4987-8325-72f4d5f0d087/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9433123-dbda-4987-8325-72f4d5f0d087/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9433123-dbda-4987-8325-72f4d5f0d087/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9433123-dbda-4987-8325-72f4d5f0d087/bin/ukojak-verify-ImItNfHLgk --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 5e9901388dc3c778e71383b38d5c8e69dc8ac06a0319c62b3ce21e9bdd7b5e3c --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:49:32,755 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:49:32,847 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9433123-dbda-4987-8325-72f4d5f0d087/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-09 00:49:32,897 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:49:32,898 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:49:32,898 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:49:32,903 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:49:32,904 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:49:32,904 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:49:32,905 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:49:32,905 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:49:32,908 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:49:32,908 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:49:32,910 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:49:32,911 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:49:32,911 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:49:32,911 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:49:32,912 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:49:32,912 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:49:32,916 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:49:32,917 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:49:32,918 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:49:32,918 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:49:32,918 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:49:32,919 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:49:32,919 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:32,919 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:49:32,920 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:49:32,920 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:49:32,921 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:49:32,921 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:49:32,921 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:49:32,922 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:49:32,922 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:32,922 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:49:32,923 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9433123-dbda-4987-8325-72f4d5f0d087/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9433123-dbda-4987-8325-72f4d5f0d087/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e9901388dc3c778e71383b38d5c8e69dc8ac06a0319c62b3ce21e9bdd7b5e3c [2024-11-09 00:49:33,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:49:33,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:49:33,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:49:33,374 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:49:33,375 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:49:33,376 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9433123-dbda-4987-8325-72f4d5f0d087/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_18_bad.i Unable to find full path for "g++" [2024-11-09 00:49:35,449 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:49:35,931 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:49:35,931 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9433123-dbda-4987-8325-72f4d5f0d087/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_18_bad.i [2024-11-09 00:49:35,965 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9433123-dbda-4987-8325-72f4d5f0d087/bin/ukojak-verify-ImItNfHLgk/data/2da305d66/13689bd4aa084947b23da363a450e824/FLAGecbf1e797 [2024-11-09 00:49:35,987 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9433123-dbda-4987-8325-72f4d5f0d087/bin/ukojak-verify-ImItNfHLgk/data/2da305d66/13689bd4aa084947b23da363a450e824 [2024-11-09 00:49:35,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:49:35,991 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:49:35,993 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:49:35,993 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:49:36,000 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:49:36,001 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:49:35" (1/1) ... [2024-11-09 00:49:36,002 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d1da6b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:36, skipping insertion in model container [2024-11-09 00:49:36,002 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:49:35" (1/1) ... [2024-11-09 00:49:36,099 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:49:37,259 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:49:37,296 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:49:37,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:49:37,546 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:49:37,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:37 WrapperNode [2024-11-09 00:49:37,546 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:49:37,548 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:49:37,548 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:49:37,548 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:49:37,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:37" (1/1) ... [2024-11-09 00:49:37,586 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:37" (1/1) ... [2024-11-09 00:49:37,612 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2024-11-09 00:49:37,613 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:49:37,614 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:49:37,614 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:49:37,614 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:49:37,625 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:37" (1/1) ... [2024-11-09 00:49:37,625 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:37" (1/1) ... [2024-11-09 00:49:37,629 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:37" (1/1) ... [2024-11-09 00:49:37,629 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:37" (1/1) ... [2024-11-09 00:49:37,638 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:37" (1/1) ... [2024-11-09 00:49:37,640 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:37" (1/1) ... [2024-11-09 00:49:37,643 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:37" (1/1) ... [2024-11-09 00:49:37,645 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:37" (1/1) ... [2024-11-09 00:49:37,649 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:49:37,650 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:49:37,650 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:49:37,650 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:49:37,651 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:49:37" (1/1) ... [2024-11-09 00:49:37,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:49:37,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9433123-dbda-4987-8325-72f4d5f0d087/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:49:37,697 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9433123-dbda-4987-8325-72f4d5f0d087/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:49:37,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9433123-dbda-4987-8325-72f4d5f0d087/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:49:37,728 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:49:37,729 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:49:37,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:49:37,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:49:37,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:49:37,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:49:37,911 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:49:37,913 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:49:38,042 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-09 00:49:38,042 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:49:38,125 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:49:38,127 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:49:38,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:49:38 BoogieIcfgContainer [2024-11-09 00:49:38,129 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:49:38,130 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:49:38,130 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:49:38,141 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:49:38,142 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:49:38" (1/1) ... [2024-11-09 00:49:38,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:49:38,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:38,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-09 00:49:38,224 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-09 00:49:38,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 00:49:38,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:38,232 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:38,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9433123-dbda-4987-8325-72f4d5f0d087/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:38,236 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9433123-dbda-4987-8325-72f4d5f0d087/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:38,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9433123-dbda-4987-8325-72f4d5f0d087/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:49:38,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:38,396 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:49:38,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:38,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 00:49:38,450 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:38,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:49:38,507 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9433123-dbda-4987-8325-72f4d5f0d087/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-09 00:49:38,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9433123-dbda-4987-8325-72f4d5f0d087/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:49:38,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:38,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-09 00:49:38,547 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-09 00:49:38,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:49:38,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:38,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:49:38,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9433123-dbda-4987-8325-72f4d5f0d087/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:49:38,552 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9433123-dbda-4987-8325-72f4d5f0d087/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:49:38,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9433123-dbda-4987-8325-72f4d5f0d087/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:49:38,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:49:38,738 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:49:38,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:49:38,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:49:38,849 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:49:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:49:38,903 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9433123-dbda-4987-8325-72f4d5f0d087/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-09 00:49:38,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9433123-dbda-4987-8325-72f4d5f0d087/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-09 00:49:38,907 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-09 00:49:38,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:49:38 ImpRootNode [2024-11-09 00:49:38,948 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:49:38,949 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:49:38,949 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:49:38,949 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:49:38,950 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:49:38" (3/4) ... [2024-11-09 00:49:38,953 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:49:38,954 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:49:38,956 INFO L158 Benchmark]: Toolchain (without parser) took 2963.87ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 41.0MB in the beginning and 39.0MB in the end (delta: 1.9MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2024-11-09 00:49:38,958 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 54.5MB. Free memory was 30.5MB in the beginning and 30.5MB in the end (delta: 65.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:49:38,959 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1553.76ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 40.8MB in the beginning and 44.0MB in the end (delta: -3.2MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2024-11-09 00:49:38,959 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.56ms. Allocated memory is still 83.9MB. Free memory was 44.0MB in the beginning and 41.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:49:38,961 INFO L158 Benchmark]: Boogie Preprocessor took 35.50ms. Allocated memory is still 83.9MB. Free memory was 41.1MB in the beginning and 39.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:49:38,962 INFO L158 Benchmark]: RCFGBuilder took 478.99ms. Allocated memory is still 83.9MB. Free memory was 39.0MB in the beginning and 43.2MB in the end (delta: -4.2MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2024-11-09 00:49:38,963 INFO L158 Benchmark]: CodeCheck took 818.42ms. Allocated memory is still 83.9MB. Free memory was 42.6MB in the beginning and 39.2MB in the end (delta: 3.4MB). Peak memory consumption was 1.1MB. Max. memory is 16.1GB. [2024-11-09 00:49:38,964 INFO L158 Benchmark]: Witness Printer took 5.74ms. Allocated memory is still 83.9MB. Free memory was 39.2MB in the beginning and 39.0MB in the end (delta: 143.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:49:38,969 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: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 10 mSDtfsCounter, 4 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 36 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: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of large string literal at line 1576, 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); [L1576] 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) [L1576] 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] [L1577] CALL CWE190_Integer_Overflow__int_fgets_postinc_18_bad() [L1550] int data; [L1551] data = 0 [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) [L1568] 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 0.22ms. Allocated memory is still 54.5MB. Free memory was 30.5MB in the beginning and 30.5MB in the end (delta: 65.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1553.76ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 40.8MB in the beginning and 44.0MB in the end (delta: -3.2MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.56ms. Allocated memory is still 83.9MB. Free memory was 44.0MB in the beginning and 41.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.50ms. Allocated memory is still 83.9MB. Free memory was 41.1MB in the beginning and 39.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 478.99ms. Allocated memory is still 83.9MB. Free memory was 39.0MB in the beginning and 43.2MB in the end (delta: -4.2MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * CodeCheck took 818.42ms. Allocated memory is still 83.9MB. Free memory was 42.6MB in the beginning and 39.2MB in the end (delta: 3.4MB). Peak memory consumption was 1.1MB. Max. memory is 16.1GB. * Witness Printer took 5.74ms. Allocated memory is still 83.9MB. Free memory was 39.2MB in the beginning and 39.0MB in the end (delta: 143.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:49:39,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9433123-dbda-4987-8325-72f4d5f0d087/bin/ukojak-verify-ImItNfHLgk/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