./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_06_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b5d59-e684-4117-b6ae-37070d69fd23/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b5d59-e684-4117-b6ae-37070d69fd23/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b5d59-e684-4117-b6ae-37070d69fd23/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b5d59-e684-4117-b6ae-37070d69fd23/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_06_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b5d59-e684-4117-b6ae-37070d69fd23/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b5d59-e684-4117-b6ae-37070d69fd23/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e64ceeebdb641a47b11fb890cb49c42b3cff16e2df1bb2a57e7638c4f4e7a17b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 01:57:44,368 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 01:57:44,459 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b5d59-e684-4117-b6ae-37070d69fd23/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 01:57:44,464 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 01:57:44,465 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 01:57:44,500 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 01:57:44,501 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 01:57:44,502 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 01:57:44,502 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 01:57:44,503 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 01:57:44,503 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 01:57:44,504 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 01:57:44,504 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 01:57:44,504 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 01:57:44,505 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 01:57:44,506 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 01:57:44,506 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 01:57:44,506 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 01:57:44,506 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 01:57:44,506 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 01:57:44,506 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 01:57:44,506 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 01:57:44,507 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 01:57:44,507 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 01:57:44,507 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 01:57:44,507 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 01:57:44,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:57:44,507 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 01:57:44,507 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 01:57:44,507 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 01:57:44,508 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 01:57:44,508 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 01:57:44,508 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b5d59-e684-4117-b6ae-37070d69fd23/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e64ceeebdb641a47b11fb890cb49c42b3cff16e2df1bb2a57e7638c4f4e7a17b [2024-11-25 01:57:44,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 01:57:44,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 01:57:44,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 01:57:44,896 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 01:57:44,897 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 01:57:44,899 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b5d59-e684-4117-b6ae-37070d69fd23/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_06_bad.i [2024-11-25 01:57:47,919 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b5d59-e684-4117-b6ae-37070d69fd23/bin/ukojak-verify-ENZ3QT5qd3/data/9facd03a6/5d19eb87314f4a458a7e140038439e07/FLAGb815da00b [2024-11-25 01:57:48,412 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 01:57:48,417 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b5d59-e684-4117-b6ae-37070d69fd23/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_06_bad.i [2024-11-25 01:57:48,463 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b5d59-e684-4117-b6ae-37070d69fd23/bin/ukojak-verify-ENZ3QT5qd3/data/9facd03a6/5d19eb87314f4a458a7e140038439e07/FLAGb815da00b [2024-11-25 01:57:48,506 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b5d59-e684-4117-b6ae-37070d69fd23/bin/ukojak-verify-ENZ3QT5qd3/data/9facd03a6/5d19eb87314f4a458a7e140038439e07 [2024-11-25 01:57:48,510 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 01:57:48,515 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 01:57:48,517 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 01:57:48,518 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 01:57:48,525 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 01:57:48,532 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:57:48" (1/1) ... [2024-11-25 01:57:48,533 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61e0b9d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:48, skipping insertion in model container [2024-11-25 01:57:48,533 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:57:48" (1/1) ... [2024-11-25 01:57:48,594 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 01:57:49,586 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:57:49,596 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 01:57:49,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:57:49,900 INFO L204 MainTranslator]: Completed translation [2024-11-25 01:57:49,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:49 WrapperNode [2024-11-25 01:57:49,901 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 01:57:49,902 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 01:57:49,902 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 01:57:49,902 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 01:57:49,909 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:49" (1/1) ... [2024-11-25 01:57:49,933 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:49" (1/1) ... [2024-11-25 01:57:49,962 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2024-11-25 01:57:49,963 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 01:57:49,963 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 01:57:49,963 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 01:57:49,964 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 01:57:49,971 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:49" (1/1) ... [2024-11-25 01:57:49,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:49" (1/1) ... [2024-11-25 01:57:49,975 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:49" (1/1) ... [2024-11-25 01:57:49,979 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:49" (1/1) ... [2024-11-25 01:57:49,984 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:49" (1/1) ... [2024-11-25 01:57:49,985 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:49" (1/1) ... [2024-11-25 01:57:49,987 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:49" (1/1) ... [2024-11-25 01:57:49,988 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:49" (1/1) ... [2024-11-25 01:57:49,989 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:49" (1/1) ... [2024-11-25 01:57:49,991 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 01:57:49,992 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 01:57:49,992 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 01:57:49,992 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 01:57:49,997 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:49" (1/1) ... [2024-11-25 01:57:50,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:57:50,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b5d59-e684-4117-b6ae-37070d69fd23/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 01:57:50,034 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b5d59-e684-4117-b6ae-37070d69fd23/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 01:57:50,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b5d59-e684-4117-b6ae-37070d69fd23/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 01:57:50,056 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 01:57:50,057 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 01:57:50,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 01:57:50,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 01:57:50,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 01:57:50,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 01:57:50,198 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 01:57:50,199 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 01:57:50,332 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-25 01:57:50,332 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 01:57:50,362 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 01:57:50,362 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 01:57:50,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:57:50 BoogieIcfgContainer [2024-11-25 01:57:50,363 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 01:57:50,363 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 01:57:50,363 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 01:57:50,375 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 01:57:50,375 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:57:50" (1/1) ... [2024-11-25 01:57:50,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 01:57:50,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:50,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-11-25 01:57:50,435 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-25 01:57:50,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 01:57:50,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:50,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:50,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:50,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:57:50,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:50,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 23 transitions. [2024-11-25 01:57:50,710 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-25 01:57:50,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 01:57:50,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:50,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:50,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:50,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:57:50,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:50,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 22 transitions. [2024-11-25 01:57:50,910 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-25 01:57:50,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 01:57:50,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:50,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:50,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:57:50,968 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 01:57:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:57:51,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:57:51,069 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 01:57:51,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:57:51,100 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-25 01:57:51,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 01:57:51 ImpRootNode [2024-11-25 01:57:51,138 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 01:57:51,139 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 01:57:51,139 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 01:57:51,139 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 01:57:51,140 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:57:50" (3/4) ... [2024-11-25 01:57:51,142 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 01:57:51,143 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 01:57:51,144 INFO L158 Benchmark]: Toolchain (without parser) took 2628.80ms. Allocated memory is still 142.6MB. Free memory was 114.8MB in the beginning and 52.2MB in the end (delta: 62.6MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-11-25 01:57:51,147 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:57:51,147 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1384.09ms. Allocated memory is still 142.6MB. Free memory was 114.6MB in the beginning and 104.3MB in the end (delta: 10.3MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-11-25 01:57:51,148 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.97ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 101.9MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 01:57:51,148 INFO L158 Benchmark]: Boogie Preprocessor took 28.20ms. Allocated memory is still 142.6MB. Free memory was 101.9MB in the beginning and 100.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:57:51,148 INFO L158 Benchmark]: RCFGBuilder took 370.53ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 86.3MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 01:57:51,149 INFO L158 Benchmark]: CodeCheck took 774.70ms. Allocated memory is still 142.6MB. Free memory was 86.3MB in the beginning and 52.8MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 01:57:51,149 INFO L158 Benchmark]: Witness Printer took 4.34ms. Allocated memory is still 142.6MB. Free memory was 52.8MB in the beginning and 52.2MB in the end (delta: 589.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:57:51,154 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, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 55 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 36 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 149 GetRequests, 145 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, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 26 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1559, overapproximation of fgets at line 1557. 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); [L1548] static const int STATIC_CONST_FIVE = 5; [L1579] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1579] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1580] CALL CWE190_Integer_Overflow__int_fgets_multiply_06_bad() [L1551] int data; [L1552] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] COND TRUE STATIC_CONST_FIVE==5 [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1559] data = atoi(inputBuffer) [L1567] COND TRUE STATIC_CONST_FIVE==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, 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 0.37ms. Allocated memory is still 142.6MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1384.09ms. Allocated memory is still 142.6MB. Free memory was 114.6MB in the beginning and 104.3MB in the end (delta: 10.3MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.97ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 101.9MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.20ms. Allocated memory is still 142.6MB. Free memory was 101.9MB in the beginning and 100.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 370.53ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 86.3MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 774.70ms. Allocated memory is still 142.6MB. Free memory was 86.3MB in the beginning and 52.8MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 4.34ms. Allocated memory is still 142.6MB. Free memory was 52.8MB in the beginning and 52.2MB in the end (delta: 589.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 01:57:51,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b5d59-e684-4117-b6ae-37070d69fd23/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b5d59-e684-4117-b6ae-37070d69fd23/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b5d59-e684-4117-b6ae-37070d69fd23/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b5d59-e684-4117-b6ae-37070d69fd23/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b5d59-e684-4117-b6ae-37070d69fd23/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_06_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b5d59-e684-4117-b6ae-37070d69fd23/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b5d59-e684-4117-b6ae-37070d69fd23/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e64ceeebdb641a47b11fb890cb49c42b3cff16e2df1bb2a57e7638c4f4e7a17b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 01:57:53,915 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 01:57:54,076 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b5d59-e684-4117-b6ae-37070d69fd23/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 01:57:54,127 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 01:57:54,128 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 01:57:54,129 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 01:57:54,129 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 01:57:54,130 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 01:57:54,130 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 01:57:54,131 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 01:57:54,131 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 01:57:54,131 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 01:57:54,132 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 01:57:54,132 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 01:57:54,132 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 01:57:54,132 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 01:57:54,132 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 01:57:54,132 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 01:57:54,133 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 01:57:54,133 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 01:57:54,133 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 01:57:54,133 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 01:57:54,133 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 01:57:54,134 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 01:57:54,134 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 01:57:54,134 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 01:57:54,134 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 01:57:54,134 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 01:57:54,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:57:54,135 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 01:57:54,135 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 01:57:54,136 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 01:57:54,136 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 01:57:54,136 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 01:57:54,136 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 01:57:54,136 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b5d59-e684-4117-b6ae-37070d69fd23/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e64ceeebdb641a47b11fb890cb49c42b3cff16e2df1bb2a57e7638c4f4e7a17b [2024-11-25 01:57:54,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 01:57:54,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 01:57:54,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 01:57:54,517 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 01:57:54,519 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 01:57:54,520 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b5d59-e684-4117-b6ae-37070d69fd23/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_06_bad.i [2024-11-25 01:57:57,821 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b5d59-e684-4117-b6ae-37070d69fd23/bin/ukojak-verify-ENZ3QT5qd3/data/5b08aa5ca/711d119f40204a95a998546adaa0efcc/FLAGabf98d8de [2024-11-25 01:57:58,215 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 01:57:58,219 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b5d59-e684-4117-b6ae-37070d69fd23/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_06_bad.i [2024-11-25 01:57:58,261 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b5d59-e684-4117-b6ae-37070d69fd23/bin/ukojak-verify-ENZ3QT5qd3/data/5b08aa5ca/711d119f40204a95a998546adaa0efcc/FLAGabf98d8de [2024-11-25 01:57:58,279 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b5d59-e684-4117-b6ae-37070d69fd23/bin/ukojak-verify-ENZ3QT5qd3/data/5b08aa5ca/711d119f40204a95a998546adaa0efcc [2024-11-25 01:57:58,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 01:57:58,285 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 01:57:58,287 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 01:57:58,287 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 01:57:58,293 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 01:57:58,293 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:57:58" (1/1) ... [2024-11-25 01:57:58,296 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@84f0d12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:58, skipping insertion in model container [2024-11-25 01:57:58,296 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:57:58" (1/1) ... [2024-11-25 01:57:58,357 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 01:57:59,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:57:59,400 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 01:57:59,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:57:59,753 INFO L204 MainTranslator]: Completed translation [2024-11-25 01:57:59,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:59 WrapperNode [2024-11-25 01:57:59,754 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 01:57:59,755 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 01:57:59,755 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 01:57:59,755 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 01:57:59,761 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:59" (1/1) ... [2024-11-25 01:57:59,784 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:59" (1/1) ... [2024-11-25 01:57:59,809 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-11-25 01:57:59,809 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 01:57:59,811 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 01:57:59,812 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 01:57:59,812 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 01:57:59,819 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:59" (1/1) ... [2024-11-25 01:57:59,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:59" (1/1) ... [2024-11-25 01:57:59,825 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:59" (1/1) ... [2024-11-25 01:57:59,827 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:59" (1/1) ... [2024-11-25 01:57:59,842 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:59" (1/1) ... [2024-11-25 01:57:59,847 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:59" (1/1) ... [2024-11-25 01:57:59,849 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:59" (1/1) ... [2024-11-25 01:57:59,851 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:59" (1/1) ... [2024-11-25 01:57:59,852 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:59" (1/1) ... [2024-11-25 01:57:59,855 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 01:57:59,856 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 01:57:59,857 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 01:57:59,857 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 01:57:59,858 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:59" (1/1) ... [2024-11-25 01:57:59,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:57:59,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b5d59-e684-4117-b6ae-37070d69fd23/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 01:57:59,895 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b5d59-e684-4117-b6ae-37070d69fd23/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 01:57:59,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b5d59-e684-4117-b6ae-37070d69fd23/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 01:57:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 01:57:59,925 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 01:57:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 01:57:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 01:57:59,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 01:57:59,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 01:58:00,117 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 01:58:00,119 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 01:58:00,281 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-25 01:58:00,281 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 01:58:00,340 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 01:58:00,340 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 01:58:00,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:58:00 BoogieIcfgContainer [2024-11-25 01:58:00,341 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 01:58:00,342 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 01:58:00,342 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 01:58:00,353 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 01:58:00,353 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:58:00" (1/1) ... [2024-11-25 01:58:00,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 01:58:00,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:00,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-11-25 01:58:00,428 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-25 01:58:00,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 01:58:00,433 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:00,434 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 01:58:00,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b5d59-e684-4117-b6ae-37070d69fd23/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 01:58:00,436 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b5d59-e684-4117-b6ae-37070d69fd23/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 01:58:00,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b5d59-e684-4117-b6ae-37070d69fd23/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 01:58:00,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:00,584 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 01:58:00,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:00,629 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 01:58:00,635 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:58:00,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:58:00,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b5d59-e684-4117-b6ae-37070d69fd23/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 01:58:00,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:00,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 28 transitions. [2024-11-25 01:58:00,783 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2024-11-25 01:58:00,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 01:58:00,784 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:00,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 01:58:00,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b5d59-e684-4117-b6ae-37070d69fd23/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 01:58:00,788 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b5d59-e684-4117-b6ae-37070d69fd23/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 01:58:00,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b5d59-e684-4117-b6ae-37070d69fd23/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 01:58:00,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:00,947 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 01:58:00,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:00,997 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 01:58:00,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:58:01,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:58:01,017 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b5d59-e684-4117-b6ae-37070d69fd23/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 01:58:01,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b5d59-e684-4117-b6ae-37070d69fd23/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-25 01:58:01,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:01,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 27 transitions. [2024-11-25 01:58:01,061 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2024-11-25 01:58:01,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 01:58:01,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:01,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 01:58:01,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b5d59-e684-4117-b6ae-37070d69fd23/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 01:58:01,065 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b5d59-e684-4117-b6ae-37070d69fd23/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 01:58:01,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b5d59-e684-4117-b6ae-37070d69fd23/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 01:58:01,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:58:01,262 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 01:58:01,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:58:01,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:58:01,440 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 01:58:01,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:58:01,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b5d59-e684-4117-b6ae-37070d69fd23/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 01:58:01,485 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-25 01:58:01,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 01:58:01 ImpRootNode [2024-11-25 01:58:01,510 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 01:58:01,511 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 01:58:01,511 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 01:58:01,511 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 01:58:01,512 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:58:00" (3/4) ... [2024-11-25 01:58:01,514 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 01:58:01,515 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 01:58:01,516 INFO L158 Benchmark]: Toolchain (without parser) took 3231.11ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 41.7MB in the end (delta: 15.4MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2024-11-25 01:58:01,516 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 83.9MB. Free memory was 64.5MB in the beginning and 64.5MB in the end (delta: 34.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:58:01,516 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1468.20ms. Allocated memory is still 83.9MB. Free memory was 56.8MB in the beginning and 52.0MB in the end (delta: 4.8MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2024-11-25 01:58:01,517 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.34ms. Allocated memory is still 83.9MB. Free memory was 52.0MB in the beginning and 49.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:58:01,517 INFO L158 Benchmark]: Boogie Preprocessor took 44.14ms. Allocated memory is still 83.9MB. Free memory was 49.3MB in the beginning and 47.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:58:01,517 INFO L158 Benchmark]: RCFGBuilder took 484.90ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 31.5MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 01:58:01,518 INFO L158 Benchmark]: CodeCheck took 1168.10ms. Allocated memory is still 83.9MB. Free memory was 31.5MB in the beginning and 42.1MB in the end (delta: -10.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:58:01,518 INFO L158 Benchmark]: Witness Printer took 4.25ms. Allocated memory is still 83.9MB. Free memory was 42.1MB in the beginning and 41.7MB in the end (delta: 451.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:58:01,520 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, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 47 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 52 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26 IncrementalHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 40 mSDtfsCounter, 26 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 162 GetRequests, 158 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, 0.1s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 30 SizeOfPredicates, 0 NumberOfNonLiveVariables, 88 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1571]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1559, overapproximation of fgets at line 1557. 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); [L1548] static const int STATIC_CONST_FIVE = 5; [L1579] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1579] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1580] CALL CWE190_Integer_Overflow__int_fgets_multiply_06_bad() [L1551] int data; [L1552] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] COND TRUE STATIC_CONST_FIVE==5 [L1556] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1557] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1559] data = atoi(inputBuffer) [L1567] COND TRUE STATIC_CONST_FIVE==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, 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 0.48ms. Allocated memory is still 83.9MB. Free memory was 64.5MB in the beginning and 64.5MB in the end (delta: 34.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1468.20ms. Allocated memory is still 83.9MB. Free memory was 56.8MB in the beginning and 52.0MB in the end (delta: 4.8MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.34ms. Allocated memory is still 83.9MB. Free memory was 52.0MB in the beginning and 49.3MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.14ms. Allocated memory is still 83.9MB. Free memory was 49.3MB in the beginning and 47.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 484.90ms. Allocated memory is still 83.9MB. Free memory was 47.8MB in the beginning and 31.5MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1168.10ms. Allocated memory is still 83.9MB. Free memory was 31.5MB in the beginning and 42.1MB in the end (delta: -10.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.25ms. Allocated memory is still 83.9MB. Free memory was 42.1MB in the beginning and 41.7MB in the end (delta: 451.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 01:58:01,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa7b5d59-e684-4117-b6ae-37070d69fd23/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample