./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_03_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_4025b763-2438-47e8-9244-79e28efd6f6f/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4025b763-2438-47e8-9244-79e28efd6f6f/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_4025b763-2438-47e8-9244-79e28efd6f6f/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4025b763-2438-47e8-9244-79e28efd6f6f/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4025b763-2438-47e8-9244-79e28efd6f6f/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_4025b763-2438-47e8-9244-79e28efd6f6f/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 49861627f3135d5ed7712c25da7d766e2d52c7344ae0b2f3f720b4cb2e0b4f65 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:56:29,627 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:56:29,691 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4025b763-2438-47e8-9244-79e28efd6f6f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 03:56:29,699 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:56:29,700 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:56:29,729 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:56:29,730 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:56:29,731 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:56:29,731 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:56:29,731 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:56:29,732 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:56:29,732 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:56:29,733 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:56:29,733 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:56:29,733 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:56:29,733 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:56:29,733 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:56:29,733 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:56:29,734 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:56:29,734 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:56:29,734 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:56:29,734 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:56:29,734 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:56:29,734 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:56:29,734 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:56:29,734 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:56:29,734 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:56:29,734 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:56:29,735 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:56:29,735 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:56:29,735 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:56:29,735 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:56:29,735 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_4025b763-2438-47e8-9244-79e28efd6f6f/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 -> 49861627f3135d5ed7712c25da7d766e2d52c7344ae0b2f3f720b4cb2e0b4f65 [2024-11-25 03:56:29,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:56:30,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:56:30,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:56:30,009 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:56:30,009 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:56:30,011 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4025b763-2438-47e8-9244-79e28efd6f6f/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_03_bad.i [2024-11-25 03:56:32,877 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4025b763-2438-47e8-9244-79e28efd6f6f/bin/ukojak-verify-ENZ3QT5qd3/data/4c9c97294/b1bfc70898ea4e71b0c5603566fc0e3c/FLAGbbbb8d651 [2024-11-25 03:56:33,330 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:56:33,331 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4025b763-2438-47e8-9244-79e28efd6f6f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_03_bad.i [2024-11-25 03:56:33,354 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4025b763-2438-47e8-9244-79e28efd6f6f/bin/ukojak-verify-ENZ3QT5qd3/data/4c9c97294/b1bfc70898ea4e71b0c5603566fc0e3c/FLAGbbbb8d651 [2024-11-25 03:56:33,459 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4025b763-2438-47e8-9244-79e28efd6f6f/bin/ukojak-verify-ENZ3QT5qd3/data/4c9c97294/b1bfc70898ea4e71b0c5603566fc0e3c [2024-11-25 03:56:33,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:56:33,464 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:56:33,465 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:56:33,465 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:56:33,470 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:56:33,471 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:56:33" (1/1) ... [2024-11-25 03:56:33,473 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@630023be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:33, skipping insertion in model container [2024-11-25 03:56:33,474 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:56:33" (1/1) ... [2024-11-25 03:56:33,537 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:56:34,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:56:34,382 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:56:34,500 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:56:34,606 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:56:34,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:34 WrapperNode [2024-11-25 03:56:34,607 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:56:34,608 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:56:34,608 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:56:34,608 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:56:34,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:34" (1/1) ... [2024-11-25 03:56:34,646 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:34" (1/1) ... [2024-11-25 03:56:34,672 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-11-25 03:56:34,672 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:56:34,673 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:56:34,673 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:56:34,673 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:56:34,680 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:34" (1/1) ... [2024-11-25 03:56:34,681 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:34" (1/1) ... [2024-11-25 03:56:34,683 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:34" (1/1) ... [2024-11-25 03:56:34,683 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:34" (1/1) ... [2024-11-25 03:56:34,688 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:34" (1/1) ... [2024-11-25 03:56:34,689 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:34" (1/1) ... [2024-11-25 03:56:34,691 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:34" (1/1) ... [2024-11-25 03:56:34,692 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:34" (1/1) ... [2024-11-25 03:56:34,693 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:34" (1/1) ... [2024-11-25 03:56:34,695 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:56:34,696 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:56:34,696 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:56:34,696 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:56:34,697 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:34" (1/1) ... [2024-11-25 03:56:34,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:56:34,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4025b763-2438-47e8-9244-79e28efd6f6f/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:56:34,730 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4025b763-2438-47e8-9244-79e28efd6f6f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:56:34,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4025b763-2438-47e8-9244-79e28efd6f6f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:56:34,762 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 03:56:34,762 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 03:56:34,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:56:34,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:56:34,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:56:34,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:56:34,929 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:56:34,931 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:56:35,082 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-25 03:56:35,082 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:56:35,131 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:56:35,134 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 03:56:35,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:56:35 BoogieIcfgContainer [2024-11-25 03:56:35,135 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:56:35,135 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:56:35,135 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:56:35,147 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:56:35,147 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:56:35" (1/1) ... [2024-11-25 03:56:35,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:56:35,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:56:35,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-11-25 03:56:35,214 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-25 03:56:35,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 03:56:35,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:56:35,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:56:35,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:56:35,408 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 03:56:35,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:56:35,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-25 03:56:35,441 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-25 03:56:35,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 03:56:35,442 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:56:35,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:56:35,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:56:35,635 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 03:56:35,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:56:35,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-25 03:56:35,667 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-25 03:56:35,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 03:56:35,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:56:35,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:56:35,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:56:35,737 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:56:35,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:56:35,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:56:35,846 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:56:35,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:56:35,877 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-25 03:56:35,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:56:35 ImpRootNode [2024-11-25 03:56:35,922 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:56:35,923 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:56:35,923 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:56:35,924 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:56:35,924 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:56:35" (3/4) ... [2024-11-25 03:56:35,927 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 03:56:35,928 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:56:35,928 INFO L158 Benchmark]: Toolchain (without parser) took 2465.43ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 75.7MB in the end (delta: 38.6MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2024-11-25 03:56:35,929 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:56:35,929 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1142.26ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 56.1MB in the end (delta: 58.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-25 03:56:35,930 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.26ms. Allocated memory is still 142.6MB. Free memory was 56.1MB in the beginning and 53.5MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:56:35,930 INFO L158 Benchmark]: Boogie Preprocessor took 22.19ms. Allocated memory is still 142.6MB. Free memory was 53.5MB in the beginning and 52.5MB in the end (delta: 968.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:56:35,930 INFO L158 Benchmark]: RCFGBuilder took 439.19ms. Allocated memory is still 142.6MB. Free memory was 52.5MB in the beginning and 107.4MB in the end (delta: -54.9MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-11-25 03:56:35,931 INFO L158 Benchmark]: CodeCheck took 787.26ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 76.3MB in the end (delta: 30.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 03:56:35,931 INFO L158 Benchmark]: Witness Printer took 4.51ms. Allocated memory is still 142.6MB. Free memory was 76.3MB in the beginning and 75.7MB in the end (delta: 685.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:56:35,938 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, 18 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, 50 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 26 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of fgets at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1578] 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) [L1578] 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] [L1579] CALL CWE190_Integer_Overflow__int_fgets_multiply_03_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1568] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1142.26ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 56.1MB in the end (delta: 58.1MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.26ms. Allocated memory is still 142.6MB. Free memory was 56.1MB in the beginning and 53.5MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.19ms. Allocated memory is still 142.6MB. Free memory was 53.5MB in the beginning and 52.5MB in the end (delta: 968.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 439.19ms. Allocated memory is still 142.6MB. Free memory was 52.5MB in the beginning and 107.4MB in the end (delta: -54.9MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * CodeCheck took 787.26ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 76.3MB in the end (delta: 30.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 4.51ms. Allocated memory is still 142.6MB. Free memory was 76.3MB in the beginning and 75.7MB in the end (delta: 685.1kB). 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 03:56:35,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4025b763-2438-47e8-9244-79e28efd6f6f/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_4025b763-2438-47e8-9244-79e28efd6f6f/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4025b763-2438-47e8-9244-79e28efd6f6f/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_4025b763-2438-47e8-9244-79e28efd6f6f/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4025b763-2438-47e8-9244-79e28efd6f6f/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_03_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4025b763-2438-47e8-9244-79e28efd6f6f/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_4025b763-2438-47e8-9244-79e28efd6f6f/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 49861627f3135d5ed7712c25da7d766e2d52c7344ae0b2f3f720b4cb2e0b4f65 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:56:38,503 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:56:38,624 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4025b763-2438-47e8-9244-79e28efd6f6f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 03:56:38,651 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:56:38,652 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:56:38,652 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:56:38,652 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:56:38,652 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:56:38,652 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:56:38,653 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:56:38,653 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:56:38,653 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:56:38,653 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:56:38,653 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:56:38,653 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:56:38,653 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:56:38,653 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:56:38,653 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:56:38,653 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:56:38,653 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:56:38,654 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:56:38,654 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:56:38,654 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:56:38,654 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:56:38,654 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:56:38,654 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:56:38,654 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:56:38,654 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:56:38,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:56:38,655 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:56:38,655 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:56:38,655 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:56:38,655 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:56:38,655 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:56:38,655 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:56:38,655 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_4025b763-2438-47e8-9244-79e28efd6f6f/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 -> 49861627f3135d5ed7712c25da7d766e2d52c7344ae0b2f3f720b4cb2e0b4f65 [2024-11-25 03:56:38,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:56:38,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:56:38,945 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:56:38,946 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:56:38,947 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:56:38,948 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4025b763-2438-47e8-9244-79e28efd6f6f/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_03_bad.i [2024-11-25 03:56:41,854 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4025b763-2438-47e8-9244-79e28efd6f6f/bin/ukojak-verify-ENZ3QT5qd3/data/5b36fe85b/80c02734afea4a81894bdd20fd49412e/FLAG4d6622d3c [2024-11-25 03:56:42,339 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:56:42,340 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4025b763-2438-47e8-9244-79e28efd6f6f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_03_bad.i [2024-11-25 03:56:42,368 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4025b763-2438-47e8-9244-79e28efd6f6f/bin/ukojak-verify-ENZ3QT5qd3/data/5b36fe85b/80c02734afea4a81894bdd20fd49412e/FLAG4d6622d3c [2024-11-25 03:56:42,434 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4025b763-2438-47e8-9244-79e28efd6f6f/bin/ukojak-verify-ENZ3QT5qd3/data/5b36fe85b/80c02734afea4a81894bdd20fd49412e [2024-11-25 03:56:42,436 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:56:42,439 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:56:42,442 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:56:42,442 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:56:42,448 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:56:42,448 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:56:42" (1/1) ... [2024-11-25 03:56:42,449 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79e671b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:42, skipping insertion in model container [2024-11-25 03:56:42,449 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:56:42" (1/1) ... [2024-11-25 03:56:42,515 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:56:43,358 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:56:43,372 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:56:43,514 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:56:43,660 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:56:43,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:43 WrapperNode [2024-11-25 03:56:43,661 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:56:43,662 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:56:43,662 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:56:43,662 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:56:43,667 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:43" (1/1) ... [2024-11-25 03:56:43,692 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:43" (1/1) ... [2024-11-25 03:56:43,719 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2024-11-25 03:56:43,719 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:56:43,720 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:56:43,720 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:56:43,720 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:56:43,726 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:43" (1/1) ... [2024-11-25 03:56:43,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:43" (1/1) ... [2024-11-25 03:56:43,729 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:43" (1/1) ... [2024-11-25 03:56:43,730 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:43" (1/1) ... [2024-11-25 03:56:43,736 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:43" (1/1) ... [2024-11-25 03:56:43,737 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:43" (1/1) ... [2024-11-25 03:56:43,739 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:43" (1/1) ... [2024-11-25 03:56:43,741 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:43" (1/1) ... [2024-11-25 03:56:43,742 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:43" (1/1) ... [2024-11-25 03:56:43,744 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:56:43,745 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:56:43,745 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:56:43,745 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:56:43,746 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:43" (1/1) ... [2024-11-25 03:56:43,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:56:43,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4025b763-2438-47e8-9244-79e28efd6f6f/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:56:43,777 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4025b763-2438-47e8-9244-79e28efd6f6f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:56:43,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4025b763-2438-47e8-9244-79e28efd6f6f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:56:43,805 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 03:56:43,806 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 03:56:43,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:56:43,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:56:43,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:56:43,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:56:43,938 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:56:43,939 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:56:44,103 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-25 03:56:44,103 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:56:44,159 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:56:44,159 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 03:56:44,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:56:44 BoogieIcfgContainer [2024-11-25 03:56:44,159 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:56:44,162 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:56:44,162 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:56:44,171 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:56:44,172 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:56:44" (1/1) ... [2024-11-25 03:56:44,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:56:44,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:56:44,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-11-25 03:56:44,243 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-11-25 03:56:44,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 03:56:44,247 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:56:44,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:56:44,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4025b763-2438-47e8-9244-79e28efd6f6f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:56:44,253 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4025b763-2438-47e8-9244-79e28efd6f6f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:56:44,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4025b763-2438-47e8-9244-79e28efd6f6f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:56:44,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:56:44,422 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:56:44,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:56:44,451 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-25 03:56:44,455 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:56:44,480 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 03:56:44,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4025b763-2438-47e8-9244-79e28efd6f6f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:56:44,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:56:44,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-11-25 03:56:44,513 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-11-25 03:56:44,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 03:56:44,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:56:44,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:56:44,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4025b763-2438-47e8-9244-79e28efd6f6f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:56:44,518 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4025b763-2438-47e8-9244-79e28efd6f6f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:56:44,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4025b763-2438-47e8-9244-79e28efd6f6f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 03:56:44,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:56:44,678 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:56:44,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:56:44,726 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 03:56:44,727 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:56:44,745 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 03:56:44,747 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4025b763-2438-47e8-9244-79e28efd6f6f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 03:56:44,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4025b763-2438-47e8-9244-79e28efd6f6f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 03:56:44,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:56:44,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-25 03:56:44,774 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-25 03:56:44,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 03:56:44,775 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:56:44,775 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:56:44,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4025b763-2438-47e8-9244-79e28efd6f6f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:56:44,780 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4025b763-2438-47e8-9244-79e28efd6f6f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:56:44,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4025b763-2438-47e8-9244-79e28efd6f6f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 03:56:44,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:56:44,943 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:56:44,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:56:45,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:56:45,065 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:56:45,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:56:45,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4025b763-2438-47e8-9244-79e28efd6f6f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 03:56:45,111 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-25 03:56:45,138 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:56:45 ImpRootNode [2024-11-25 03:56:45,138 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:56:45,139 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:56:45,139 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:56:45,139 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:56:45,140 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:56:44" (3/4) ... [2024-11-25 03:56:45,142 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 03:56:45,142 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:56:45,143 INFO L158 Benchmark]: Toolchain (without parser) took 2705.63ms. Allocated memory is still 83.9MB. Free memory was 57.2MB in the beginning and 47.1MB in the end (delta: 10.1MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2024-11-25 03:56:45,144 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:56:45,144 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1219.37ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 52.9MB in the end (delta: 4.0MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-11-25 03:56:45,144 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.55ms. Allocated memory is still 83.9MB. Free memory was 52.9MB in the beginning and 50.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:56:45,145 INFO L158 Benchmark]: Boogie Preprocessor took 24.97ms. Allocated memory is still 83.9MB. Free memory was 50.2MB in the beginning and 48.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:56:45,145 INFO L158 Benchmark]: RCFGBuilder took 414.41ms. Allocated memory is still 83.9MB. Free memory was 48.7MB in the beginning and 32.8MB in the end (delta: 15.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:56:45,145 INFO L158 Benchmark]: CodeCheck took 976.98ms. Allocated memory is still 83.9MB. Free memory was 32.8MB in the beginning and 47.1MB in the end (delta: -14.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:56:45,146 INFO L158 Benchmark]: Witness Printer took 3.58ms. Allocated memory is still 83.9MB. Free memory was 47.1MB in the beginning and 47.1MB in the end (delta: 21.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:56:45,148 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 50 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 26 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 18 SizeOfPredicates, 0 NumberOfNonLiveVariables, 83 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of fgets at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1578] 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) [L1578] 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] [L1579] CALL CWE190_Integer_Overflow__int_fgets_multiply_03_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1568] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1219.37ms. Allocated memory is still 83.9MB. Free memory was 56.9MB in the beginning and 52.9MB in the end (delta: 4.0MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.55ms. Allocated memory is still 83.9MB. Free memory was 52.9MB in the beginning and 50.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.97ms. Allocated memory is still 83.9MB. Free memory was 50.2MB in the beginning and 48.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 414.41ms. Allocated memory is still 83.9MB. Free memory was 48.7MB in the beginning and 32.8MB in the end (delta: 15.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 976.98ms. Allocated memory is still 83.9MB. Free memory was 32.8MB in the beginning and 47.1MB in the end (delta: -14.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.58ms. Allocated memory is still 83.9MB. Free memory was 47.1MB in the beginning and 47.1MB in the end (delta: 21.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 03:56:45,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4025b763-2438-47e8-9244-79e28efd6f6f/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