./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_63_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_24881a29-92b4-4ac9-b2bc-ef06b5cac598/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24881a29-92b4-4ac9-b2bc-ef06b5cac598/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_24881a29-92b4-4ac9-b2bc-ef06b5cac598/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24881a29-92b4-4ac9-b2bc-ef06b5cac598/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24881a29-92b4-4ac9-b2bc-ef06b5cac598/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_24881a29-92b4-4ac9-b2bc-ef06b5cac598/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 4c9465e74913ebe90475157dc1cd7e8fd61bc99cb8f3e3e955fd5b4d6437ad79 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:19:36,537 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:19:36,638 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24881a29-92b4-4ac9-b2bc-ef06b5cac598/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-09 00:19:36,645 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:19:36,648 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:19:36,675 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:19:36,678 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:19:36,679 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:19:36,679 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:19:36,680 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:19:36,680 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:19:36,681 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:19:36,682 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:19:36,685 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:19:36,685 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:19:36,685 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:19:36,686 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:19:36,686 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:19:36,686 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:19:36,687 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:19:36,687 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:19:36,688 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:19:36,691 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:19:36,692 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:19:36,692 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:19:36,692 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:19:36,693 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:19:36,693 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:19:36,693 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:19:36,694 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:19:36,694 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:19:36,694 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:19:36,698 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_24881a29-92b4-4ac9-b2bc-ef06b5cac598/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24881a29-92b4-4ac9-b2bc-ef06b5cac598/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c9465e74913ebe90475157dc1cd7e8fd61bc99cb8f3e3e955fd5b4d6437ad79 [2024-11-09 00:19:36,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:19:37,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:19:37,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:19:37,037 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:19:37,038 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:19:37,039 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24881a29-92b4-4ac9-b2bc-ef06b5cac598/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_63_bad.i Unable to find full path for "g++" [2024-11-09 00:19:39,028 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:19:39,332 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:19:39,333 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24881a29-92b4-4ac9-b2bc-ef06b5cac598/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_63_bad.i [2024-11-09 00:19:39,355 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24881a29-92b4-4ac9-b2bc-ef06b5cac598/bin/ukojak-verify-ImItNfHLgk/data/3637c4cdf/d2502a00319d4e4dabae3d137b633ddf/FLAG68547865d [2024-11-09 00:19:39,595 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24881a29-92b4-4ac9-b2bc-ef06b5cac598/bin/ukojak-verify-ImItNfHLgk/data/3637c4cdf/d2502a00319d4e4dabae3d137b633ddf [2024-11-09 00:19:39,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:19:39,599 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:19:39,600 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:19:39,600 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:19:39,605 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:19:39,606 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:19:39" (1/1) ... [2024-11-09 00:19:39,607 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1354177f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:39, skipping insertion in model container [2024-11-09 00:19:39,608 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:19:39" (1/1) ... [2024-11-09 00:19:39,695 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:19:40,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:19:40,722 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:19:40,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:19:41,075 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:19:41,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:41 WrapperNode [2024-11-09 00:19:41,076 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:19:41,077 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:19:41,077 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:19:41,077 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:19:41,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:41" (1/1) ... [2024-11-09 00:19:41,121 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:41" (1/1) ... [2024-11-09 00:19:41,155 INFO L138 Inliner]: procedures = 499, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 76 [2024-11-09 00:19:41,155 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:19:41,156 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:19:41,156 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:19:41,157 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:19:41,169 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:41" (1/1) ... [2024-11-09 00:19:41,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:41" (1/1) ... [2024-11-09 00:19:41,173 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:41" (1/1) ... [2024-11-09 00:19:41,173 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:41" (1/1) ... [2024-11-09 00:19:41,187 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:41" (1/1) ... [2024-11-09 00:19:41,189 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:41" (1/1) ... [2024-11-09 00:19:41,193 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:41" (1/1) ... [2024-11-09 00:19:41,194 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:41" (1/1) ... [2024-11-09 00:19:41,201 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:19:41,202 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:19:41,204 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:19:41,205 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:19:41,206 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:41" (1/1) ... [2024-11-09 00:19:41,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:19:41,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24881a29-92b4-4ac9-b2bc-ef06b5cac598/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:19:41,239 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24881a29-92b4-4ac9-b2bc-ef06b5cac598/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:19:41,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24881a29-92b4-4ac9-b2bc-ef06b5cac598/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:19:41,277 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:19:41,277 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:19:41,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:19:41,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 00:19:41,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:19:41,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:19:41,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:19:41,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 00:19:41,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 00:19:41,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:19:41,445 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:19:41,447 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:19:41,604 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-09 00:19:41,604 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:19:41,655 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:19:41,655 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:19:41,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:19:41 BoogieIcfgContainer [2024-11-09 00:19:41,656 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:19:41,657 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:19:41,657 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:19:41,666 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:19:41,666 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:19:41" (1/1) ... [2024-11-09 00:19:41,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:19:41,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:41,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-09 00:19:41,744 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-09 00:19:41,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 00:19:41,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:41,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:19:41,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:42,400 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 00:19:42,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:42,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-09 00:19:42,463 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-09 00:19:42,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:19:42,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:42,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:19:42,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:19:42,524 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:19:42,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:19:42,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:19:42,642 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:19:42,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:19:42,688 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-09 00:19:42,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:19:42 ImpRootNode [2024-11-09 00:19:42,723 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:19:42,724 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:19:42,724 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:19:42,724 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:19:42,724 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:19:41" (3/4) ... [2024-11-09 00:19:42,727 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:19:42,728 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:19:42,729 INFO L158 Benchmark]: Toolchain (without parser) took 3129.89ms. Allocated memory was 136.3MB in the beginning and 186.6MB in the end (delta: 50.3MB). Free memory was 95.1MB in the beginning and 91.3MB in the end (delta: 3.8MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB. [2024-11-09 00:19:42,729 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 136.3MB. Free memory is still 78.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:19:42,730 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1476.42ms. Allocated memory was 136.3MB in the beginning and 186.6MB in the end (delta: 50.3MB). Free memory was 94.8MB in the beginning and 114.9MB in the end (delta: -20.1MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. [2024-11-09 00:19:42,731 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.70ms. Allocated memory is still 186.6MB. Free memory was 114.9MB in the beginning and 112.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:19:42,731 INFO L158 Benchmark]: Boogie Preprocessor took 45.22ms. Allocated memory is still 186.6MB. Free memory was 112.5MB in the beginning and 110.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:19:42,732 INFO L158 Benchmark]: RCFGBuilder took 453.80ms. Allocated memory is still 186.6MB. Free memory was 110.8MB in the beginning and 94.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 00:19:42,734 INFO L158 Benchmark]: CodeCheck took 1066.15ms. Allocated memory is still 186.6MB. Free memory was 94.0MB in the beginning and 91.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. [2024-11-09 00:19:42,734 INFO L158 Benchmark]: Witness Printer took 4.33ms. Allocated memory is still 186.6MB. Free memory is still 91.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:19:42,738 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 9 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1578]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of large string literal at line 1569, overapproximation of fgets at line 1555. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE190_Integer_Overflow__int_fgets_postinc_63_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={241:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1564] CALL CWE190_Integer_Overflow__int_fgets_postinc_63b_badSink(&data) [L1576] EXPR \read(*dataPtr) [L1576] int data = *dataPtr; [L1578] 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 0.29ms. Allocated memory is still 136.3MB. Free memory is still 78.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1476.42ms. Allocated memory was 136.3MB in the beginning and 186.6MB in the end (delta: 50.3MB). Free memory was 94.8MB in the beginning and 114.9MB in the end (delta: -20.1MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.70ms. Allocated memory is still 186.6MB. Free memory was 114.9MB in the beginning and 112.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.22ms. Allocated memory is still 186.6MB. Free memory was 112.5MB in the beginning and 110.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 453.80ms. Allocated memory is still 186.6MB. Free memory was 110.8MB in the beginning and 94.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1066.15ms. Allocated memory is still 186.6MB. Free memory was 94.0MB in the beginning and 91.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. * Witness Printer took 4.33ms. Allocated memory is still 186.6MB. Free memory is still 91.3MB. 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 00:19:42,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24881a29-92b4-4ac9-b2bc-ef06b5cac598/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_24881a29-92b4-4ac9-b2bc-ef06b5cac598/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24881a29-92b4-4ac9-b2bc-ef06b5cac598/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_24881a29-92b4-4ac9-b2bc-ef06b5cac598/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24881a29-92b4-4ac9-b2bc-ef06b5cac598/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_63_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24881a29-92b4-4ac9-b2bc-ef06b5cac598/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_24881a29-92b4-4ac9-b2bc-ef06b5cac598/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 4c9465e74913ebe90475157dc1cd7e8fd61bc99cb8f3e3e955fd5b4d6437ad79 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:19:45,130 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:19:45,216 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24881a29-92b4-4ac9-b2bc-ef06b5cac598/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-09 00:19:45,268 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:19:45,269 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:19:45,270 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:19:45,270 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:19:45,272 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:19:45,274 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:19:45,275 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:19:45,275 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:19:45,275 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:19:45,276 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:19:45,276 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:19:45,276 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:19:45,277 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:19:45,277 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:19:45,277 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:19:45,280 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:19:45,281 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:19:45,281 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:19:45,282 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:19:45,282 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:19:45,282 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:19:45,282 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:19:45,283 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:45,283 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:19:45,283 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:19:45,284 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:19:45,284 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:19:45,284 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:19:45,284 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:19:45,285 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:19:45,285 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:45,285 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:19:45,290 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_24881a29-92b4-4ac9-b2bc-ef06b5cac598/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24881a29-92b4-4ac9-b2bc-ef06b5cac598/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c9465e74913ebe90475157dc1cd7e8fd61bc99cb8f3e3e955fd5b4d6437ad79 [2024-11-09 00:19:45,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:19:45,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:19:45,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:19:45,729 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:19:45,730 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:19:45,732 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24881a29-92b4-4ac9-b2bc-ef06b5cac598/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_63_bad.i Unable to find full path for "g++" [2024-11-09 00:19:47,820 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:19:48,203 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:19:48,207 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24881a29-92b4-4ac9-b2bc-ef06b5cac598/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_63_bad.i [2024-11-09 00:19:48,240 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24881a29-92b4-4ac9-b2bc-ef06b5cac598/bin/ukojak-verify-ImItNfHLgk/data/4b0e63160/64ccf3c529b24104a3af0162b3cd3c5a/FLAG8377f0c83 [2024-11-09 00:19:48,262 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24881a29-92b4-4ac9-b2bc-ef06b5cac598/bin/ukojak-verify-ImItNfHLgk/data/4b0e63160/64ccf3c529b24104a3af0162b3cd3c5a [2024-11-09 00:19:48,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:19:48,266 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:19:48,269 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:19:48,269 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:19:48,276 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:19:48,277 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:19:48" (1/1) ... [2024-11-09 00:19:48,278 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5487ad65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:48, skipping insertion in model container [2024-11-09 00:19:48,278 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:19:48" (1/1) ... [2024-11-09 00:19:48,347 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:19:49,428 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:19:49,444 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:19:49,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:19:49,702 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:19:49,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:49 WrapperNode [2024-11-09 00:19:49,703 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:19:49,704 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:19:49,705 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:19:49,705 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:19:49,712 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:49" (1/1) ... [2024-11-09 00:19:49,740 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:49" (1/1) ... [2024-11-09 00:19:49,762 INFO L138 Inliner]: procedures = 504, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 75 [2024-11-09 00:19:49,763 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:19:49,764 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:19:49,764 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:19:49,764 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:19:49,773 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:49" (1/1) ... [2024-11-09 00:19:49,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:49" (1/1) ... [2024-11-09 00:19:49,777 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:49" (1/1) ... [2024-11-09 00:19:49,778 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:49" (1/1) ... [2024-11-09 00:19:49,786 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:49" (1/1) ... [2024-11-09 00:19:49,788 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:49" (1/1) ... [2024-11-09 00:19:49,791 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:49" (1/1) ... [2024-11-09 00:19:49,792 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:49" (1/1) ... [2024-11-09 00:19:49,796 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:19:49,797 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:19:49,797 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:19:49,797 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:19:49,798 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:19:49" (1/1) ... [2024-11-09 00:19:49,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:19:49,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24881a29-92b4-4ac9-b2bc-ef06b5cac598/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:19:49,844 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24881a29-92b4-4ac9-b2bc-ef06b5cac598/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:19:49,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24881a29-92b4-4ac9-b2bc-ef06b5cac598/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:19:49,870 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-09 00:19:49,870 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-09 00:19:49,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:19:49,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:19:49,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:19:49,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:19:49,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:19:49,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-09 00:19:49,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 00:19:49,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-09 00:19:50,054 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:19:50,057 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:19:50,240 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-09 00:19:50,240 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:19:50,290 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:19:50,290 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 00:19:50,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:19:50 BoogieIcfgContainer [2024-11-09 00:19:50,291 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:19:50,292 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:19:50,292 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:19:50,303 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:19:50,304 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:19:50" (1/1) ... [2024-11-09 00:19:50,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:19:50,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:50,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-09 00:19:50,363 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-09 00:19:50,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 00:19:50,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:50,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:50,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24881a29-92b4-4ac9-b2bc-ef06b5cac598/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:50,371 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24881a29-92b4-4ac9-b2bc-ef06b5cac598/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:50,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24881a29-92b4-4ac9-b2bc-ef06b5cac598/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:19:50,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:50,610 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:50,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:50,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 00:19:50,691 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:50,724 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 00:19:50,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24881a29-92b4-4ac9-b2bc-ef06b5cac598/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-09 00:19:50,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:50,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-09 00:19:50,757 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-09 00:19:50,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:19:50,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:50,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:50,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24881a29-92b4-4ac9-b2bc-ef06b5cac598/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:50,761 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24881a29-92b4-4ac9-b2bc-ef06b5cac598/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:50,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24881a29-92b4-4ac9-b2bc-ef06b5cac598/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:19:51,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:19:51,016 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:19:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:19:51,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:19:51,277 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:19:51,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:19:51,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24881a29-92b4-4ac9-b2bc-ef06b5cac598/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-09 00:19:51,357 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-09 00:19:51,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:19:51 ImpRootNode [2024-11-09 00:19:51,392 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:19:51,393 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:19:51,393 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:19:51,393 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:19:51,394 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:19:50" (3/4) ... [2024-11-09 00:19:51,396 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:19:51,398 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:19:51,400 INFO L158 Benchmark]: Toolchain (without parser) took 3132.37ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 58.5MB in the beginning and 54.6MB in the end (delta: 3.9MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2024-11-09 00:19:51,400 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 65.0MB. Free memory was 41.8MB in the beginning and 41.7MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:19:51,401 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1435.06ms. Allocated memory is still 86.0MB. Free memory was 58.3MB in the beginning and 50.0MB in the end (delta: 8.3MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. [2024-11-09 00:19:51,402 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.53ms. Allocated memory is still 86.0MB. Free memory was 50.0MB in the beginning and 47.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:19:51,402 INFO L158 Benchmark]: Boogie Preprocessor took 32.65ms. Allocated memory is still 86.0MB. Free memory was 46.7MB in the beginning and 44.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:19:51,404 INFO L158 Benchmark]: RCFGBuilder took 494.51ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 44.6MB in the beginning and 66.0MB in the end (delta: -21.4MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-11-09 00:19:51,405 INFO L158 Benchmark]: CodeCheck took 1100.11ms. Allocated memory is still 104.9MB. Free memory was 66.0MB in the beginning and 55.2MB in the end (delta: 10.8MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-11-09 00:19:51,406 INFO L158 Benchmark]: Witness Printer took 5.04ms. Allocated memory is still 104.9MB. Free memory was 55.2MB in the beginning and 54.6MB in the end (delta: 575.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:19:51,412 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 12 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 80 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: 1578]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of large string literal at line 1569, overapproximation of fgets at line 1555. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE190_Integer_Overflow__int_fgets_postinc_63_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1564] CALL CWE190_Integer_Overflow__int_fgets_postinc_63b_badSink(&data) [L1576] EXPR \read(*dataPtr) [L1576] int data = *dataPtr; [L1578] 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 0.32ms. Allocated memory is still 65.0MB. Free memory was 41.8MB in the beginning and 41.7MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1435.06ms. Allocated memory is still 86.0MB. Free memory was 58.3MB in the beginning and 50.0MB in the end (delta: 8.3MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.53ms. Allocated memory is still 86.0MB. Free memory was 50.0MB in the beginning and 47.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.65ms. Allocated memory is still 86.0MB. Free memory was 46.7MB in the beginning and 44.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 494.51ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 44.6MB in the beginning and 66.0MB in the end (delta: -21.4MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * CodeCheck took 1100.11ms. Allocated memory is still 104.9MB. Free memory was 66.0MB in the beginning and 55.2MB in the end (delta: 10.8MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * Witness Printer took 5.04ms. Allocated memory is still 104.9MB. Free memory was 55.2MB in the beginning and 54.6MB in the end (delta: 575.6kB). 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 00:19:51,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24881a29-92b4-4ac9-b2bc-ef06b5cac598/bin/ukojak-verify-ImItNfHLgk/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